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WO2017090810A1 - Dispositif vestimentaire et procédé de fonctionnement correspondant - Google Patents

Dispositif vestimentaire et procédé de fonctionnement correspondant Download PDF

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Publication number
WO2017090810A1
WO2017090810A1 PCT/KR2015/013155 KR2015013155W WO2017090810A1 WO 2017090810 A1 WO2017090810 A1 WO 2017090810A1 KR 2015013155 W KR2015013155 W KR 2015013155W WO 2017090810 A1 WO2017090810 A1 WO 2017090810A1
Authority
WO
WIPO (PCT)
Prior art keywords
stress index
stress
information
wearable device
index
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2015/013155
Other languages
English (en)
Korean (ko)
Inventor
박지수
손영호
심홍조
김현우
이현옥
김성혁
박미현
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2017090810A1 publication Critical patent/WO2017090810A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

Definitions

  • the present invention relates to a wearable device capable of sensing a biosignal of a user and a method of operating the same.
  • Terminals may be divided into mobile / portable terminals and stationary terminals according to their mobility.
  • the mobile terminal may be further classified into a handheld terminal and a vehicle mounted terminal according to whether a user can directly carry it.
  • the functions of mobile terminals are diversifying. For example, data and voice communication, taking a picture and video with a camera, recording a voice, playing a music file through a speaker system, and outputting an image or video to a display unit.
  • Some terminals have an electronic game play function or a multimedia player function.
  • recent mobile terminals may receive multicast signals that provide visual content such as broadcasting, video, and television programs.
  • the terminal functions are diversified, for example, such a terminal is a multimedia player having a complex function such as taking a picture or a video, playing a music or video file, playing a game, or receiving a broadcast. Is being implemented.
  • a mobile terminal can be extended to a wearable device that can be worn on the body, beyond the user's main use.
  • Such a wearable device may be mounted and used at various positions of the body according to a user's purpose or intention of use, and may detect a user's movement or a bio-signal using the provided sensors and perform various functions accordingly. have.
  • the stress index of the user may be calculated based on the biometric information sensed using the wearable device, and thus, the stress of the user may be managed.
  • An object of the present invention is to provide a wearable device and a method of operating the same, which are capable of constantly monitoring a stress state of a user and varying a measurement period of a stress index according to a situation.
  • Still another object of the present invention is to provide a wearable device capable of determining a stress state in consideration of the current situation, and providing a stress releasing service in a manner suitable to the user's state and the present situation and with a user-friendly UI. To provide a method of operation.
  • a wearable device the wearable device body; A measurement unit for measuring a stress index of the user based on the user's biometric information detected as the body is worn; And a controller configured to accumulate the measured stress index for a predetermined time and vary the measurement cycle of the stress index based on the accumulated stress index.
  • control unit if the accumulated stress index is monitored within the reference range, the measurement cycle of the stress index is longer than the reference value, and if the accumulated stress index is out of the reference range monitoring period of the stress index It characterized in that the control is shorter than the reference value.
  • the controller is characterized in that to generate a stress index for each location by associating the accumulated stress index with the position information of the main body.
  • the control unit may determine a stress state based on a stress index corresponding to position information of the main body, when the stress index is measured.
  • the control unit may change the measurement period of the stress index based on the stress index corresponding to the current position information of the main body.
  • the controller selects a stress index corresponding to current position information of the main body, and if the base of the selected stress index is less than or equal to the reference value, the measurement period of the stress index is longer than the reference value, and the base of the selected stress index When the reference value is exceeded, the measurement cycle of the screed index is controlled to be shorter than the reference value.
  • the controller acquires the motion information of the user sensed according to the wearing of the main body, and enters the stress index measurement mode based on the obtained motion information.
  • the measurement mode may include a plurality of operation modes that vary at least one of a type and number of sensors activated to detect the user's biometric information and an analysis method of the biometric information. .
  • the controller may be further configured to calculate an activity amount of a user corresponding to the obtained movement information and to measure a stress index by executing any one of the plurality of operation modes based on the calculated activity amount. It is done.
  • the plurality of operation modes include a low power mode and a precision mode
  • the controller measures the stress index in the low power mode when the amount of activity calculated during the reference time is less than a predetermined value, and the low power mode
  • the stress index is measured by changing to the precision mode.
  • the wearable device includes a touch screen ; And a storage unit for collecting and storing situation information in a section in which the increased stress index is relaxed within a reference range.
  • the controller may be further configured to extract at least one of the situation information stored in the storage unit based on the location information of the main body when the measured stress index is out of the threshold value of the reference range, and the stress relief information related to the extracted situation information. It characterized in that the output to the touch screen.
  • the contextual information may be stored in association with at least one of location information and time information of the main body.
  • a notification icon indicating a stress state is output on the touch screen, and when a touch input is applied to the notification icon, the extracted situation information An icon of an application for providing the stress relief information associated with is displayed on the touch screen.
  • the notification icon may be output when a touch input is applied to the touch screen or when the main body enters a predetermined time or a predetermined position.
  • the icon of the application may be displayed based on at least one of the measured stress index, current location information of the main body, and the user's preference.
  • control unit outputs a corresponding alarm when the notification icon is output, and the intensity of the alarm varies depending on a degree to which a measured stress index deviates from a threshold of a reference range.
  • the stress relief information characterized in that it comprises a prompt to induce to follow the deep breathing cycle generated based on the measured stress index.
  • the control unit may measure a stress index while the stress relief information is output, monitor that the increased stress index is reduced within a reference range, and update corresponding situation information. .
  • a method of operating a wearable device comprising: detecting wearing of a main body; Measuring a stress index of the user based on the biometric information of the user; Accumulating the measured stress index for a predetermined time; And varying a measurement period of the stress index based on the accumulated stress index.
  • the step of varying the measurement cycle of the stress index if the accumulated stress index is monitored within the reference range, the measurement cycle of the stress index is longer than the reference value, the accumulated stress index is out of the reference range If it is monitored characterized in that it comprises the step of changing the measurement period of the measurement index of the stress index shorter than the reference value.
  • the method may further include changing a measurement cycle of the stress index based on the stress index corresponding to the current position information of the main body.
  • the method may further include: collecting and storing situation information in a section in which the increased stress index is relaxed within a reference range; If the measured stress index is out of the threshold of the reference range, extracting at least one of the stored situation information based on the position information of the main body; And outputting stress relief information associated with the extracted situation information.
  • the present invention it is possible to measure the stress at all times at low power, and to flexibly change the measurement interval or measurement mode of the stress index in consideration of various situations such as the user's activity, stress index, and current location. Therefore, it is possible to satisfy both the improvement of the measurement reliability of the stress index and the reduction of the power consumption.
  • stress relief information when stress occurs, it is possible to selectively provide stress relief information more suitable for use in the current situation.
  • stress relief information is provided using a user-friendly UI. Accordingly, it helps to reduce the increased stress quickly and efficiently, and can provide services specialized for the user.
  • FIG. 1A is a block diagram illustrating a wearable device related to the present invention.
  • FIG. 1B is a diagram for describing a system in which a wearable device according to the present invention is operable.
  • FIG. 2 is a perspective view illustrating an example of a watch type wearable device as an example of a wearable device according to the present invention.
  • FIG. 3 is a representative flowchart illustrating an operation implemented in a wearable device according to an exemplary embodiment of the present invention.
  • FIGS. 4A to 4D are diagrams related to a method of measuring a stress index using biometric information of a user according to an exemplary embodiment of the present invention.
  • FIG. 5 is a graph illustrating a method of varying a measurement period of a stress index based on an activity pattern of a user according to an embodiment of the present invention.
  • FIG. 6 is a diagram for describing a method of varying a measurement period of a stress index for each measurement position, according to an exemplary embodiment.
  • FIG. 7A and 7B are conceptual views illustrating a method of changing a measurement mode of a stress index based on motion information and a stress index according to an embodiment of the present invention.
  • FIGS. 8 to 13 are conceptual views illustrating various examples of a method for providing a stress state and a stress relief service according to an embodiment of the present invention.
  • the mobile terminal described herein includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant, a portable multimedia player, a navigation, a slate PC , Tablet PCs, ultrabooks, wearable devices, such as smartwatches, glass glasses, head mounted displays, and the like. have.
  • the mobile terminal can be extended to a wearable device that can be worn on the body beyond the user mainly holding in the hand.
  • wearable devices include a smart watch, a smart glass, a head mounted display (HMD), and the like.
  • HMD head mounted display
  • the wearable device may be configured to exchange (or interlock) data with another mobile terminal 100.
  • the short range communication module 114 may detect (or recognize) a wearable device that can communicate around the mobile terminal 100.
  • the controller 180 transmits at least a portion of data processed by the mobile terminal 100 through the short range communication module 114. Can be sent to. Therefore, the user may use data processed by the mobile terminal 100 through the wearable device. For example, when a call is received by the mobile terminal 100, a phone call may be performed through the wearable device, or when the message is received by the mobile terminal 100, the received message may be confirmed through the wearable device. .
  • FIG. 1A is a block diagram illustrating a wearable device related to the present invention.
  • the wearable device 100 may include a wireless communication unit 110, an input unit 120, a detection unit 140, an output unit 150, an interface unit 160, a memory 170, a controller 180, and a power supply unit 190. ) May be included.
  • the components shown in FIG. 1A are not essential to implementing the wearable device, so that the wearable device described herein may have more or fewer components than those listed above.
  • the wireless communication unit 110 of the components, between the wearable device 100 and the wireless communication system, between the wearable device 100 and another wearable device 100, or the wearable device 100 and the external server It may include one or more modules that enable wireless communication therebetween.
  • the wireless communication unit 110 may include one or more modules for connecting the wearable device 100 to one or more networks.
  • the wireless communication unit 110 may include at least one of the broadcast receiving module 111, the mobile communication module 112, the wireless internet module 113, the short range communication module 114, and the location information module 115. .
  • the input unit 120 may include a camera 121 or an image input unit for inputting an image signal, a microphone 122 for inputting an audio signal, an audio input unit, or a user input unit 123 for receiving information from a user. , Touch keys, mechanical keys, and the like.
  • the voice data or the image data collected by the input unit 120 may be analyzed and processed as a control command of the user.
  • the sensing unit 140 may include one or more sensors for sensing at least one of information in the wearable device, surrounding environment information surrounding the wearable device, and user information.
  • the sensing unit 140 may include a proximity sensor 141, an illumination sensor 142, an illumination sensor, a touch sensor, an acceleration sensor, a magnetic sensor, and gravity.
  • Optical sensors e.g. cameras 121), microphones (see 122), battery gauges, environmental sensors (e.g.
  • the wearable device disclosed herein may use a combination of information sensed by at least two or more of these sensors.
  • the output unit 150 is for generating an output related to sight, hearing, or tactile sense, and includes at least one of the display unit 151, the audio output unit 152, the hap tip module 153, and the light output unit 154. can do.
  • the display unit 151 forms a layer structure with or is integrally formed with the touch sensor, thereby implementing a touch screen.
  • the touch screen may function as a user input unit 123 providing an input interface between the wearable device 100 and the user, and may also provide an output interface between the wearable device 100 and the user.
  • the interface unit 160 serves as a path to various types of external devices connected to the wearable device 100.
  • the interface unit 160 connects a device equipped with a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, and an identification module. It may include at least one of a port, an audio input / output (I / O) port, a video input / output (I / O) port, and an earphone port.
  • the wearable device 100 may perform appropriate control related to the connected external device in response to the external device being connected to the interface unit 160.
  • the memory 170 stores data supporting various functions of the wearable device 100.
  • the memory 170 may store a plurality of application programs or applications that are driven by the wearable device 100, data for operating the wearable device 100, and instructions. At least some of these applications may be downloaded from an external server via wireless communication. In addition, at least some of these application programs may be present on the wearable device 100 from the time of shipment for basic functions (for example, a call reception, an outgoing function, a message reception, and an outgoing function) of the wearable device 100.
  • the application program may be stored in the memory 170, installed on the wearable device 100, and driven by the controller 180 to perform an operation (or function) of the wearable device.
  • the controller 180 In addition to the operation related to the application program, the controller 180 typically controls the overall operation of the wearable device 100.
  • the controller 180 may provide or process information or a function appropriate to a user by processing signals, data, information, and the like, which are input or output through the above-described components, or by driving an application program stored in the memory 170.
  • controller 180 may control at least some of the components described with reference to FIG. 1A in order to drive an application program stored in the memory 170. In addition, the controller 180 may operate by combining at least two or more of the components included in the wearable device 100 to drive the application program.
  • the power supply unit 190 receives power from an external power source and an internal power source under the control of the controller 180 to supply power to each component included in the wearable device 100.
  • the power supply unit 190 includes a battery, which may be a built-in battery or a replaceable battery.
  • At least some of the components may operate in cooperation with each other in order to implement an operation, control, or control method of the wearable device according to various embodiments described below.
  • the operation, control, or control method of the wearable device may be implemented on the wearable device by driving at least one application program stored in the memory 170.
  • the broadcast receiving module 111 of the wireless communication unit 110 receives a broadcast signal and / or broadcast related information from an external broadcast management server through a broadcast channel.
  • the broadcast channel may include a satellite channel and a terrestrial channel.
  • Two or more broadcast receiving modules may be provided to the mobile terminal 100 for simultaneous broadcast reception or switching of broadcast channels for at least two broadcast channels.
  • the mobile communication module 112 may include technical standards or communication schemes (eg, Global System for Mobile communication (GSM), Code Division Multi Access (CDMA), Code Division Multi Access 2000 (CDMA2000), and EV).
  • GSM Global System for Mobile communication
  • CDMA Code Division Multi Access
  • CDMA2000 Code Division Multi Access 2000
  • EV Enhanced Voice-Data Optimized or Enhanced Voice-Data Only (DO), Wideband CDMA (WCDMA), High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE), LTE-A (Long Term Evolution-Advanced) and the like to transmit and receive a radio signal with at least one of a base station, an external terminal, a server on a mobile communication network.
  • GSM Global System for Mobile communication
  • CDMA Code Division Multi Access
  • CDMA2000 Code Division Multi Access 2000
  • EV Enhanced Voice-Data Optimized or Enhanced Voice-Data Only (DO)
  • WCDMA Wideband CDMA
  • HSDPA High
  • the wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.
  • the wireless internet module 113 refers to a module for wireless internet access and may be embedded or external to the wearable device 100.
  • the wireless internet module 113 is configured to transmit and receive wireless signals in a communication network according to wireless internet technologies.
  • wireless Internet technologies include Wireless LAN (WLAN), Wireless-Fidelity (Wi-Fi), Wireless Fidelity (Wi-Fi) Direct, Digital Living Network Alliance (DLNA), Wireless Broadband (WiBro), and WiMAX (World).
  • the wireless Internet module 113 for performing a wireless Internet access through the mobile communication network 113 May be understood as a kind of mobile communication module 112.
  • the short range communication module 114 is for short range communication, and includes Bluetooth TM, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and NFC. (Near Field Communication), at least one of Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, Wireless USB (Wireless Universal Serial Bus) technology can be used to support short-range communication.
  • the short-range communication module 114 may be different between the wearable device 100 and a wireless communication system, between the wearable device 100 and another mobile terminal, or different from the wearable device 100 through a wireless area network.
  • the wearable device (or an external server) may support wireless communication between networks.
  • the short range wireless communication network may be short range wireless personal area networks.
  • the other wearable device 100 is a mobile terminal or other wearable device capable of exchanging (or interworking) data with the wearable device 100 according to the present invention, for example, a smartwatch. ), Smart glass, head mounted display (HMD).
  • the short range communication module 114 may detect (or recognize) a wearable device that can communicate with the wearable device 100 around the wearable device 100. Further, when the detected wearable device is a device that is authenticated to communicate with the wearable device 100 according to the present invention, the controller 180 may include at least a portion of data processed by the wearable device 100 in the short range communication module ( The transmission may be transmitted to the wearable device through 114. Therefore, a user of the wearable device may use data processed by the wearable device 100 through the wearable device. For example, according to this, when a call is received by the wearable device 100, the user performs a phone call through the wearable device or when a message is received by the wearable device 100, the received through the wearable device. It is possible to check the message.
  • the location information module 115 is a module for obtaining a location (or current location) of the wearable device.
  • Examples of the location information module 115 include a global positioning system (GPS) module or a wireless fidelity (WiFi) module.
  • GPS global positioning system
  • Wi-Fi wireless fidelity
  • the wearable device may acquire a location of the wearable device using a signal transmitted from a GPS satellite.
  • the wearable device may acquire the location of the wearable device based on information of the wireless access point (AP) transmitting or receiving the Wi-Fi module and the wireless signal.
  • AP wireless access point
  • the location information module 115 may perform any function of other modules of the wireless communication unit 110 to substitute or additionally obtain data regarding the location of the wearable device.
  • the location information module 115 is a module used to obtain a location (or a current location) of the wearable device, and is not limited to a module that directly calculates or obtains the location of the wearable device.
  • the input unit 120 is for inputting image information (or signal), audio information (or signal), data, or information input from a user, and for inputting image information, the wearable device 100 is one.
  • the plurality of cameras 121 may be provided.
  • the camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video call mode or the photographing mode.
  • the processed image frame may be displayed on the display unit 151 or stored in the memory 170.
  • the plurality of cameras 121 provided in the wearable device 100 may be arranged to form a matrix structure, and the wearable device 100 may have various angles or focuses through the camera 121 forming the matrix structure.
  • the plurality of pieces of image information may be input.
  • the plurality of cameras 121 may be arranged in a stereo structure to acquire a left image and a right image for implementing a stereoscopic image.
  • the microphone 122 processes external sound signals into electrical voice data.
  • the processed voice data may be variously utilized according to a function (or an application program being executed) performed by the wearable device 100. Meanwhile, various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in the process of receiving an external sound signal.
  • the user input unit 123 is for receiving information from a user. When information is input through the user input unit 123, the controller 180 may control an operation of the wearable device 100 to correspond to the input information. .
  • the user input unit 123 may be a mechanical input unit (or a mechanical key, for example, a button, a dome switch, a jog wheel, or the like located on the front or rear or side of the wearable device 100). Jog switch, etc.) and touch input means.
  • the touch input means may include a virtual key, a soft key, or a visual key displayed on the touch screen through a software process, or a portion other than the touch screen.
  • the virtual key or the visual key may be displayed on the touch screen while having various forms, for example, graphic or text. ), An icon, a video, or a combination thereof.
  • the sensing unit 140 senses at least one of information in the wearable device, surrounding environment information surrounding the wearable device, and user information, and generates a sensing signal corresponding thereto.
  • the controller 180 may control driving or operation of the wearable device 100 or perform data processing, function, or operation related to an application program installed in the wearable device 100 based on the sensing signal. Representative sensors among various sensors that may be included in the sensing unit 140 will be described in more detail.
  • the proximity sensor 141 refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays.
  • the proximity sensor 141 may be disposed in the inner region of the wearable device covered by the touch screen as described above or near the touch screen.
  • the proximity sensor 141 examples include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor.
  • the proximity sensor 141 may be configured to detect the proximity of the object by the change of the electric field according to the proximity of the conductive object.
  • the touch screen (or touch sensor) itself may be classified as a proximity sensor.
  • the proximity sensor 141 may detect a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, and a proximity touch movement state). have.
  • the controller 180 processes data (or information) corresponding to the proximity touch operation and the proximity touch pattern detected through the proximity sensor 141 as described above, and further, provides visual information corresponding to the processed data. It can be output on the touch screen. Furthermore, the controller 180 may control the wearable device 100 to process different operations or data (or information) according to whether the touch on the same point on the touch screen is a proximity touch or a touch touch. .
  • the touch sensor applies a touch (or touch input) applied to the touch screen (or the display unit 151) using at least one of various touch methods such as a resistive film method, a capacitive method, an infrared method, an ultrasonic method, and a magnetic field method. Detect.
  • the touch sensor may be configured to convert a change in pressure applied to a specific portion of the touch screen or capacitance generated at the specific portion into an electrical input signal.
  • the touch sensor may be configured to detect a position, an area, a pressure at the touch, a capacitance at the touch, and the like, when the touch object applying the touch on the touch screen is touched on the touch sensor.
  • the touch object is an object applying a touch to the touch sensor and may be, for example, a finger, a touch pen or a stylus pen, a pointer, or the like.
  • the touch controller processes the signal (s) and then transmits the corresponding data to the controller 180.
  • the controller 180 can know which area of the display unit 151 is touched.
  • the touch controller may be a separate component from the controller 180 or may be the controller 180 itself.
  • the controller 180 may perform different control or perform the same control according to the type of touch object that touches the touch screen (or a touch key provided in addition to the touch screen). Whether to perform different control or the same control according to the type of the touch object may be determined according to an operation state of the wearable device 100 or an application program being executed.
  • the touch sensor and the proximity sensor described above may be independently or combined, and may be a short (or tap) touch, a long touch, a multi touch, a drag touch on a touch screen. ), Flick touch, pinch-in touch, pinch-out touch, swipe touch, hovering touch, etc. A touch can be sensed.
  • the ultrasonic sensor may recognize location information of a sensing object using ultrasonic waves.
  • the controller 180 can calculate the position of the wave generation source through the information detected from the optical sensor and the plurality of ultrasonic sensors.
  • the position of the wave source can be calculated using the property that the light is much faster than the ultrasonic wave, that is, the time that the light reaches the optical sensor is much faster than the time when the ultrasonic wave reaches the ultrasonic sensor. More specifically, the position of the wave generation source may be calculated using a time difference from the time when the ultrasonic wave reaches the light as the reference signal.
  • the camera 121 which has been described as the configuration of the input unit 120, includes at least one of a camera sensor (eg, CCD, CMOS, etc.), a photo sensor (or image sensor), and a laser sensor.
  • a camera sensor eg, CCD, CMOS, etc.
  • a photo sensor or image sensor
  • a laser sensor e.g., a laser sensor
  • the camera 121 and the laser sensor may be combined with each other to detect a touch of a sensing object with respect to a 3D stereoscopic image.
  • the photo sensor may be stacked on the display element, which is configured to scan the movement of the sensing object in proximity to the touch screen. More specifically, the photo sensor mounts a photo diode and a transistor (TR) in a row / column and scans contents mounted on the photo sensor by using an electrical signal that varies according to the amount of light applied to the photo diode. That is, the photo sensor calculates coordinates of the sensing object according to the amount of light change, and thus, the position information of the sensing object can be obtained.
  • TR transistor
  • the display unit 151 displays (outputs) information processed by the wearable device 100.
  • the display unit 151 may display execution screen information of an application program driven by the wearable device 100 or user interface (UI) and graphical user interface (GUI) information according to the execution screen information. .
  • UI user interface
  • GUI graphical user interface
  • the display unit 151 may be configured as a stereoscopic display unit for displaying a stereoscopic image.
  • the stereoscopic display unit may be a three-dimensional display method such as a stereoscopic method (glasses method), an auto stereoscopic method (glasses-free method), a projection method (holographic method).
  • the sound output unit 152 may output audio data received from the wireless communication unit 110 or stored in the memory 170 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like.
  • the sound output unit 152 may also output a sound signal related to a function (for example, a call signal reception sound or a message reception sound) performed in the wearable device 100.
  • the sound output unit 152 may include a receiver, a speaker, a buzzer, and the like.
  • the haptic module 153 generates various haptic effects that a user can feel.
  • a representative example of the tactile effect generated by the haptic module 153 may be vibration.
  • the intensity and pattern of vibration generated by the haptic module 153 may be controlled by the user's selection or the setting of the controller. For example, the haptic module 153 may synthesize different vibrations and output or sequentially output them.
  • the haptic module 153 may be used to stimulate pins that vertically move with respect to the contact skin surface, jetting force or suction force of air through the jetting or suction port, grazing to the skin surface, contact of electrodes, and electrostatic force
  • Various tactile effects can be generated, such as effects by the endothermic and the reproduction of a sense of cold using the elements capable of endothermic heat generation.
  • the haptic module 153 may not only deliver a tactile effect through direct contact, but also may allow a user to feel the tactile effect through a muscle sense such as a finger or an arm. Two or more haptic modules 153 may be provided according to the configuration aspect of the wearable device 100.
  • the light output unit 154 outputs a signal for notifying occurrence of an event by using light of a light source of the wearable device 100.
  • Examples of events generated in the wearable device 100 may include message reception, call signal reception, missed call, alarm, schedule notification, email reception, information reception through an application, and the like.
  • the signal output from the light output unit 154 is implemented as the wearable device emits light of a single color or a plurality of colors to the front or the rear.
  • the signal output may be terminated by the wearable device detecting the user's event confirmation.
  • the interface unit 160 serves as a path to all external devices connected to the wearable device 100.
  • the interface unit 160 receives data from an external device, receives power, transfers the power to each component inside the wearable device 100, or transmits the data inside the wearable device 100 to an external device.
  • the port, audio input / output (I / O) port, video input / output (I / O) port, earphone port, etc. may be included in the interface unit 160.
  • the identification module is a chip that stores a variety of information for authenticating the use rights of the wearable device 100, a user identification module (UIM), subscriber identity module (SIM), universal user authentication And a universal subscriber identity module (USIM).
  • a device equipped with an identification module (hereinafter referred to as an 'identification device') may be manufactured in the form of a smart card. Therefore, the identification device may be connected to the terminal 100 through the interface unit 160.
  • the interface unit 160 may be a passage for supplying power from the cradle to the wearable device 100 or may be input from the cradle by a user.
  • Various command signals may be passages for transmitting to the wearable device 100.
  • Various command signals or power input from the cradle may operate as signals for recognizing that the wearable device 100 is correctly mounted on the cradle.
  • the memory 170 may store a program for the operation of the controller 180 and may temporarily store input / output data (for example, a phone book, a message, a still image, a video, etc.).
  • the memory 170 may store data regarding vibration and sound of various patterns output when a touch input on the touch screen is performed.
  • the memory 170 may include a flash memory type, a hard disk type, a solid state disk type, an SSD type, a silicon disk drive type, and a multimedia card micro type. ), Card-type memory (e.g., SD or XD memory), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read It may include at least one type of storage medium of -only memory (PROM), programmable read-only memory (PROM), magnetic memory, magnetic disk and optical disk.
  • the wearable device 100 may be operated in connection with a web storage that performs a storage function of the memory 170 on the Internet.
  • the controller 180 controls the operation related to the application program, and generally the overall operation of the wearable device 100. For example, if the state of the wearable device satisfies a set condition, the controller 180 may execute or release a lock state that restricts input of a user's control command to applications.
  • controller 180 may perform control and processing related to voice call, data communication, video call, or the like, or may perform pattern recognition processing for recognizing handwriting input or drawing input performed on a touch screen as text and images, respectively. Can be. Furthermore, the controller 180 may control any one or a plurality of components described above in order to implement the various embodiments described below on the wearable device 100 according to the present invention.
  • the power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.
  • the power supply unit 190 includes a battery, and the battery may be a built-in battery configured to be rechargeable, and may be detachably coupled to the terminal body for charging.
  • the power supply unit 190 may be provided with a connection port, the connection port may be configured as an example of the interface 160 is electrically connected to the external charger for supplying power for charging the battery.
  • the power supply unit 190 may be configured to charge the battery in a wireless manner without using the connection port.
  • the power supply unit 190 uses one or more of an inductive coupling based on a magnetic induction phenomenon or a magnetic resonance coupling based on an electromagnetic resonance phenomenon from an external wireless power transmitter. Power can be delivered.
  • various embodiments of the present disclosure may be implemented in a recording medium readable by a computer or a similar device using, for example, software, hardware, or a combination thereof.
  • FIG. 1B is a diagram for describing a communication system in which a wearable device according to the present invention is operable.
  • the communication system may use different air interfaces and / or physical layers.
  • a radio interface that can be used by a communication system includes frequency division multiple access (FDMA), time division multiple access (TDMA), and code division multiple access (CDMA). ), Universal Mobile Telecommunications Systems (UMTS) (especially Long Term Evolution (LTE), Long Term Evolution-Advanced (LTE-A)), Global System for Mobile Communications (GSM), etc. This may be included.
  • FDMA frequency division multiple access
  • TDMA time division multiple access
  • CDMA code division multiple access
  • UMTS Universal Mobile Telecommunications Systems
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • GSM Global System for Mobile Communications
  • the CDMA wireless communication system includes at least one terminal 100, at least one base station (Base Station, BS (also referred to as Node B or Evolved Node B)), and at least one Base Station Controllers (BSCs). ), And may include a mobile switching center (MSC).
  • the MSC is configured to connect with the Public Switched Telephone Network (PSTN) and BSCs.
  • PSTN Public Switched Telephone Network
  • the BSCs may be connected to the BS through a backhaul line.
  • the backhaul line may be provided according to at least one of E1 / T1, ATM, IP, PPP, Frame Relay, HDSL, ADSL, or xDSL.
  • Each of the plurality of BSs may include at least one sector, and each sector may include an omnidirectional antenna or an antenna pointing in a radial direction from the BS.
  • each sector may include two or more antennas of various types.
  • Each BS may be configured to support a plurality of frequency assignments, and the plurality of frequency assignments may each have a specific spectrum (eg, 1.25 MHz, 5 MHz, etc.).
  • BSs may be called Base Station Transceiver Subsystems (BTSs).
  • BTSs Base Station Transceiver Subsystems
  • one BSC and at least one BS may be collectively referred to as a "base station”.
  • the base station may also indicate “cell site”.
  • each of the plurality of sectors for a particular BS may be called a plurality of cell sites.
  • the broadcast transmitter transmits a broadcast signal to the terminals 100 operating in the system.
  • the broadcast receiving module 111 illustrated in FIG. 1A is provided in the terminal 100 to receive a broadcast signal transmitted by BT.
  • a satellite positioning system for identifying the position of the mobile terminal 100 may be linked to the CDMA wireless communication system.
  • the satellite 300 helps to locate the mobile terminal 100.
  • Useful location information may be obtained by up to two or more satellites.
  • the location of the mobile terminal 100 may be tracked using all the technologies capable of tracking the location as well as the GPS tracking technology.
  • at least one of the GPS satellites may optionally or additionally be responsible for satellite DMB transmission.
  • FIG. 2 is a perspective view illustrating an example of a watch type wearable device as an example of a wearable device according to the present invention.
  • the watch-type wearable device 100 includes a main body 101 having a display unit 151 and a band 102 connected to the main body 101 so as to be worn on a wrist.
  • the watch-type wearable device 100 may include features of or similar to the wearable device 100 of FIG. 1A.
  • the main body 101 includes a case forming an external appearance.
  • the case may include a first case 101a and a second case 101b for providing an internal space for accommodating various electronic components.
  • the present invention is not limited thereto, and one case may be configured to provide the internal space so that the watch type wearable device 100 of the unibody may be implemented.
  • the watch type wearable device 100 may be configured to enable wireless communication, and an antenna for the wireless communication may be installed in the main body 101.
  • the antenna can extend the performance using a case.
  • a case containing a conductive material may be configured to be electrically connected with the antenna to extend the ground area or the radiation area.
  • the display unit 151 may be disposed on the front surface of the main body 101 to output information, and the display unit 151 may be provided with a touch sensor to implement a touch screen. As shown, the window 351a of the display unit 151 may be mounted on the first case 101a to form the front surface of the terminal body together with the first case 101a.
  • the display unit 151 may be implemented in the form of an Always On Display in which time information is displayed without a separate touch. In this case, for low power consumption, the display unit 151 may be implemented using a low power display module such as a reflective LCD panel without a backlight.
  • the main body 101 may include a sound output unit 152, a camera 121, a microphone 122, a user input unit 123, and the like.
  • the display unit 151 may function as the user input unit 123, and thus a separate key may not be provided in the main body 101.
  • the main body 101 may include various sensors, a gyro sensor, a PPG, an ECG, and the like, for acquiring movement information and biometric information of the user according to whether the main body is worn and the main body is worn.
  • the band 102 is worn on the wrist to surround the wrist, and may be formed of a flexible material to facilitate wearing.
  • the band 102 may be formed of leather, rubber, silicone, synthetic resin, or the like.
  • the band 102 is configured to be detachable to the main body 101, the user can be configured to be replaced with various types of bands according to taste.
  • the band 102 can be used to extend the performance of the antenna.
  • the band may include a ground extension (not shown) electrically connected to the antenna to extend the ground area.
  • the band 102 may be provided with a fastener 102a.
  • the fastener 102a may be implemented by a buckle, a snap-fit hook structure, a velcro (trade name), or the like, and may include elastic sections or materials. .
  • a buckle a snap-fit hook structure
  • a velcro trademark
  • FIG. 1 an example in which the fastener 102a is implemented in the form of a buckle is shown.
  • the wearable device 100 may always measure the stress index of the user as the main body is worn. Specifically, the wearable device 100 constantly measures the user's stress index based on the user's biometric information detected according to the wearing of the main body, that is, an electrical signal generated from the user's body detected through the sensor.
  • the wearable device 100 accumulates and stores the measured stress index, and collects and stores situation information in a section in which the increased stress index is relaxed more than a reference range, that is, a section in which the stress is effectively reduced.
  • the wearable device 100 monitors the stress index and the measured stress index is out of the threshold of the reference range, the wearable device 100 extracts at least one of the stored situation information based on the location information of the main body, and extracts the extracted situation information.
  • An icon may be displayed on the screen to induce the output of the associated content. Accordingly, it is possible to store personalized stress relief information and to provide stress relief information suitable for the current location when stress is found.
  • the wearable device 100 may constantly measure the stress index in the low power mode, and may vary the measurement cycle of the stress index according to a situation.
  • the wearable device 100 may vary the measurement period of the stress index to be longer or shorter than before by relating at least one of location information, time information, and stress state information of the user. In this way, by flexibly changing the measurement period, the stress index can be monitored more accurately and the waste of power consumption can be reduced.
  • FIG. 3 is a representative flowchart for describing an operation implemented in a wearable device according to an exemplary embodiment of the present invention.
  • the wearable device first detects wearing of the main body (S10).
  • the user's stress index is measured based on biometric information of the user wearing the main body, for example, heart rate information and respiration information (S20).
  • the measured stress index is accumulated (S30).
  • the measurement cycle of the stress index is varied based on the accumulated stress index (S40).
  • the situation information in the section in which the increased stress index is relaxed within the reference range may be collected and stored.
  • the reference range means a range of stress index that is determined that the stress state is resolved.
  • the above-mentioned reference range is different depending on the individual and user's situation, for example, location, time It may vary depending on the size and amount of activity.
  • the situation information corresponding to the current position of the main body may be selectively extracted from the stored situation information.
  • the threshold value of the reference range means a threshold value or threshold range of the stress index that is not determined to be a stress state. Accordingly, the case where the stress index is out of the threshold of the reference range may be defined as a stress state.
  • the threshold value of the above-described reference range is different depending on the user and the situation of the user, for example, the place. It can vary depending on the stars, time zones, and activity.
  • notification information indicating a stress state may be output to a screen, and when an input is applied to the notification information, specific content may be output as stress relief information related to the extracted situation information.
  • the measurement unit 182 (FIG. 1A) of the body constantly measures the stress index at low power consumption (low-energy) based on the biometric information of the user sensed through the provided sensors.
  • the biometric information of the user may mean various electrical signals generated in the body of the user wearing the wearable device 100.
  • the electrical signal may be, for example, any one of an ElectrocardioGram (ECG) signal, a Photoplethymogram (PPG) signal, or a Galvanic Skin Response (GSR) signal, but is not limited thereto. All kinds of signals widely used in the art may be included.
  • ECG ElectrocardioGram
  • PPG Photoplethymogram
  • GSR Galvanic Skin Response
  • an electrocardiogram (ECG) signal is an electrical signal in which electrical activity of the heart occurs on the skin surface.
  • Electrocardiogram signals can be measured by inducing the active currents in the myocardium in two appropriate places on the body surface as the heart beats. Periodically observing the change characteristics of the cycle and waveform of the ECG, it is possible to distinguish the psychological state of the user wearing the wearable device 100 and the like.
  • Electromyogram (EMG) signals are electrical signals that occur on the skin surface as muscle contractility, muscle activity and fatigue.
  • the EMG may detect, for example, the movement of tendons according to the movement of the user's finger detected through wearing of the wearable device 100 or the like.
  • the controller 180 can determine what gestures the fingers are making based on the detected information.
  • Electroencephalogram (EEG) signals are electrical signals that occur on the surface of the skin in terms of concentration or external activity. Electroencephalogram signals can be measured by inducing on the scalp a potential change in the human cerebrum, or a brain current caused by it.
  • the EEG can be classified into six types according to the characteristics of the frequency. In general, the Delta type is 'sleep', theta type is 'sleepy', the alpha type is 'comfortable', the low beta type is 'concentrated', the middle beta type is 'attention', and the high beta type is 'excited' Status'. That is, the psychological state of the individual user can be estimated through the EEG.
  • the galvanic skin reflex (GSR) signal is an electrical signal in which a change in skin resistance to sympathetic nerve activity occurs on the skin surface.
  • the skin conduction signal may be obtained by measuring a phenomenon in which the electrical resistance caused by external stimulus or emotional excitement in the skin of a living body temporarily decreases or an action potential occurs.
  • the sweat glands on the skin surface are activated to increase the conductivity, thereby increasing the GSR.
  • heart rate variability is an electrical signal generated by a change in the R-R interval (RRI) between the R-peak and the R-peak of an electrocardiogram on the skin surface.
  • RRI R-R interval
  • the LF (Low Frequency: 0 to 0.15 Hz) region of this power spectrum mainly reflects the activity of the sympathetic nervous system
  • the HF (High Frequency: 0.15 to 0.4 Hz) region represents the activity of the parasympathetic nervous system.
  • the pulse wave (Photoplethysmogram, PPG) signal is an electrical signal obtained by measuring the repeated increase and decrease of the arterial blood volume (arterial blood volume) in the fingertip blood vessel in synchronization with the heart beat. Transmitted light detected at the light receiving portion of the fingertip is received as the amount of light absorbed by the finger and appears as a blood flow change waveform synchronized with the heartbeat, which is PPG.
  • the wearable device 100 may measure a stress index corresponding to a physical state and a psychological state of the user through the various biometric information sensed as described above. For example, the wearable device 100 may analyze the frequency domain and / or the time domain of the HRV to determine whether the current stress index is lower or higher than usual, or how high or low.
  • the wearable device 100 may accumulate and store the measured stress index for a predetermined time (S30), and change the measurement period of the stress index based on the accumulated stress index (S40).
  • the measurement cycle of the stress index may be changed to be longer than the reference value.
  • the measurement cycle of the stress index may be changed to be shorter than the reference value.
  • the reference value refers to an initial measurement cycle or an average measurement cycle of the stress index, for example, may correspond to the case of measuring the stress index for 1 minute every 6 minutes.
  • the reference range herein refers to a range of stress indexes determined to be resolved or not to be stressed.
  • the situation information in the section in which the increased stress index is relaxed within the reference range may be collected and stored in the storage unit 170 (FIG. 1A).
  • the wearable device 100 may determine an average stress index of the user.
  • the user may identify a personalized stress pattern such as which time domain the stress is high and how long it takes for the stress to be released on average. Based on this, it is possible to determine whether there is an abnormal signal in the recent stress pattern.
  • the section in which the increased stress index is relaxed within the reference range is a section in which the increased stress index is effectively reduced, and corresponds to a time domain when the rate of decrease of the increased stress index is larger than the reference value.
  • the increased stress is naturally resolved after a certain period of time, depending on the interaction of the sympathetic and parasympathetic nerves.
  • there is a large decrease rate of the increased stress and by collecting the situation information at this time, it can be effectively used when the stress index rises next time.
  • the present invention may collect situation information in all sections in which the increased stress index decreases below the threshold of the reference range (the threshold range of the stress index not the stress state described above).
  • the situation information may be selectively collected. Accordingly, it operates to provide a more customized stress relief service.
  • the wearable device 100 monitors the stress index at all times while wearing the main body, and when the stress index satisfies a predetermined value or more determined as a stress state as a result of the monitoring, the wearable device 100 triggers the stress index.
  • the reduction rate of can be calculated.
  • the decrease rate of the stress index may vary for each individual according to the user's gender, age, occupation group, etc.
  • the stress index using the personalized stress pattern generated based on the biometric information accumulated for a certain period of time. The reduction rate of can be calculated.
  • a point where the calculated decrease rate is greater than the reference value is detected, the point where the stress state is found by inverting from this point is also referred to as a section in which the above-described increased stress index is relaxed within the reference range (hereinafter, referred to as a 'stress relief section'). Can be named).
  • the 'stress relieving section' excludes a time region in which the stress index decrease rate corresponding to the time required for the increased stress to be naturally resolved is observed. Therefore, the situation information collected in this time domain can be ignored.
  • the context information may include a time (eg, 'day or night'), a location (eg, 'home, company'), a situation (eg, 'sleep, activity amount, Psychological state '), user's behavior (e.g.,' user's gesture, user's voice, etc. '), operation state of the terminal (e.g.,' music playing, video playing, busy '), environmental information (e.g.,' Weather, external noise, noise level ”, etc.).
  • situation information may be collected by predetermined criteria, for example, by place, time, and date.
  • the wearable device 100 may generate a scenario for solving stress based on the collected situation information.
  • a stress relief scenario to be provided to the user based on a plurality of situation information based on a predetermined criterion, for example, a collection order of the situation information, a frequency number, and a change rate of reduction of the stress index.
  • the generated stress relief scenario may be updated based on the user's response (a decrease rate of the stress index and whether the terminal is operated).
  • the wearable device 100 may activate various sensors, for example, a camera module, a voice recognition module, and the like, to collect such situation information more accurately.
  • the wearable device 100 may request a confirmation from the user about the identified situation information, and may modify and determine the situation information based on the response of the user.
  • the situation information corresponding to the current position of the main body can be extracted from the stored situation information.
  • the wearable device may acquire the location information by activating the location information module 115 or the like when the stress index is out of the threshold value of the reference range.
  • the measured stress index outside the threshold of the reference range is a case where a stress index outside the personalized stress pattern is found, and the measured stress index is higher than the reference stress index or very low than the average stress index. Include all of them. That is, the case where the measured stress index is out of the threshold value of the reference range may be defined as a 'stress state' as described above.
  • the wearable device 100 determines whether the measured stress index is out of the threshold of the reference range. The measured time and place can be taken into account.
  • the contextual information corresponding to the current position of the main body of the stored contextual information refers to the remaining contextual information except the contextual information or the unsuitable contextual information for the current position of the main body in order to relieve stress.
  • the current index of the wearable device 100 when the current index of the wearable device 100 is 'company' when the stress index is outside the threshold of the reference range, it is determined that the user's activity is restricted, and the situation information corresponding to the stress relief interval is determined.
  • 'Exercise', 'Sleep' and 'Movie' can be excluded from extraction.
  • the current location of the wearable device 100 is 'park', 'walk', 'music', and the like may be preferentially extracted as context information that can be executed immediately at the corresponding place.
  • the wearable device 100 may extract contextual information in consideration of time information as well as the current position of the main body. For example, if the stress index is outside the threshold of the reference range and the current location is 'home', there is no restriction on the user's activity, but the 'night time' does not disturb the user's sleep or induce the user's sleep. The situation information can be extracted first.
  • the wearable device 100 may provide stress relief information related to the extracted contextual information or output notification information for inducing it.
  • the controller 180 of the wearable device 100 in the process of inducing the output of the content related to the extracted situation information, the controller 180 of the wearable device 100, if the stress index is out of the threshold value of the reference range, information indicating that the stress state (eg , Notification signal, notification icon output, etc.) can be output in advance.
  • the stress state eg , Notification signal, notification icon output, etc.
  • content related to the extracted situation information may be entered.
  • the controller 180 when the display unit 151 is activated or a user input is received, the controller 180 outputs the content related to the extracted situation information on the screen or does not notify the user of the stress state, or the default content, For example, a user may be guided by voice by executing a 'customized breathing follow-up' content.
  • the controller 180 may monitor the extent to which the stress index is resolved after the content is output, and may induce the output of other content in a chain. For example, if the stress index is not lower than the reference value within a predetermined time after the first content is output to the display unit 151, the controller 180 may continuously output second content related to other situation information. .
  • the controller 180 may update the history of the corresponding situation information by associating the output of the content with the monitoring result of the degree to which the stress index is resolved. Accordingly, the type of the content corresponding to the context information extracted in the same or similar stress state, the output order, and the like may be differently controlled.
  • the stress index is always measured at low power to determine a customized stress pattern based on the accumulated stress index. Provide a solution to stress.
  • the stress index is always measured when the main body is worn, but is measured as low-energy. Furthermore, the measurement cycle of the stress index can be varied based on the current situation.
  • FIGS. 4A to 4D are diagrams related to measurement of a stress index using biometric information of a user, according to an exemplary embodiment.
  • FIG. 4A illustrates an example of calculating a heart rate variability (HRV) as an example used to measure a stress index.
  • HRV heart rate variability
  • Heart rate variability is an electrical signal generated by changes in the R-R interval (TRI) (T1, T2) between the R-peak and R-peak of an electrocardiogram. Since the human body performs a constant antagonism of the sympathetic and parasympathetic nerves, the RRI is irregular under normal conditions and the RRI is regularly monitored. In other words, in healthy people, the irregularities of RRI, that is, the change in HRV, are various and distinct. In other words, if the RRI pattern is regular, it can be said that the stress index is high, and if this state lasts for a predetermined time, it can be determined that the stress state.
  • TRI R-R interval
  • HRV heart rate variability
  • the time-series signal of the RRI can be obtained by Fourier transforming through time-domain analysis (calculation of the standard deviation of the RRI) or frequency-domain power spectrum of HRV. 4c shows this frequency domain analysis method.
  • the LF (Low Frequency: 0.04 to 0.15 Hz) region mainly reflects the activity of the sympathetic nervous system
  • the HF (High Frequency: 0.15 to 0.4 Hz) region mainly represents the activity of the parasympathetic nervous system.
  • the ratio between the LF and the HF is the same, and the normal state is shown.
  • the right figure shows the stress state due to the high LF ratio.
  • Figure 4b is an example that is used in the deep hob for measuring the stress index and stress relief, shows a method of calculating the respiratory signal.
  • a pulse wave (Photoplethysmogram, PPG) signal is detected using a PPG sensor provided in the wearable device 100.
  • the pulse wave signal is an electrical signal obtained by measuring the repeated increase and decrease of arterial blood volume in the fingertip blood vessel in synchronization with the heartbeat. Transmitted light detected at the light receiving portion of the fingertip is received as the amount of light absorbed by the finger and appears as a blood flow change waveform synchronized with the heartbeat, which is PPG.
  • the upper figure in FIG. 4B is a PPG optical blood flow signal. In inhalation, the period of the PPG signal decreases, and in exhalation, the period of the PPG signal increases.
  • the lower figure shows the respiratory signal estimated from the PPG optical blood flow signal.
  • the respiration signal is a PPG optical blood flow signal using a bandpass filter (e.g., set the filter coefficient to 0.01 ⁇ 0.4) to remove the artifact (artifact) or extract only a specific noise (e.g. Internal Artifact), ODE differential method Can be easily estimated by applying a bandpass filter (e.g., set the filter coefficient to 0.01 ⁇ 0.4) to remove the artifact (artifact) or extract only a specific noise (e.g. Internal Artifact), ODE differential method Can be easily estimated by applying a bandpass filter (e.g., set the filter coefficient to 0.01 ⁇ 0.4) to remove the artifact (artifact) or extract only a specific noise (e.g. Internal Arti
  • the respiratory signal estimated as described above may be used not only to calculate the heart rate variability described above, but also may be used for user-customized deep breathing to relieve stress.
  • FIG. 4D illustrates a method of measuring a stress index using heart rate variability (HRV) measured during a day.
  • HRV heart rate variability
  • the baseline of the average heart rate variability is an altered chronic stress state.
  • the second waveform (B) is the average heart rate variability
  • the third waveform (C) is temporarily lowered, and acute stress occurs It is shown.
  • the baseline of the heart rate variability refers to a floor value or a floor section that serves as a reference for monitoring a periodic change in heart rate in the time range analysis of the heart rate variability (HRV).
  • Baseline may be temporarily lowered due to breathing, changes in autonomic nervous system activity, smoking, drinking, insomnia, stress, etc., but if prolonged for a long time, abnormal metabolic rate, abnormal sleep cycle, and abnormal body temperature may occur.
  • the baseline of heart rate variability (HRV) can thus be chronically lowered.
  • the baseline of the HRV may correspond to a threshold range determined as not being a stress state in the present invention.
  • the case that is out of the baseline of the HRV may be defined as a stress state.
  • it may be defined as an acute stress state when temporarily out of the baseline of HRV, and observed to be chronically out of the baseline of HRV for a long time.
  • the present invention has been implemented to perform feedback so that the baseline of the existing average heart rate variability, that is, the customized stress pattern, is measured at all times.
  • the wearable device 100 may constantly measure the stress index of the user based on various biometric information detected using a PPG sensor or the like.
  • the change in the biometric information for example, based on the irregularity of the heart rate variability can be informed by dividing the stress index into a plurality of levels or steps.
  • FIG. 5 is a graph illustrating a method of varying a measurement period of a stress index based on an activity pattern of a user according to an embodiment of the present invention.
  • the measurement period of the stress index can be varied to more accurately measure the stress index and to minimize power consumption according to the stress index.
  • FIG. 5 may vary the measurement period of the stress index based on the activity pattern of the user wearing the wearable device 100 for one day.
  • the stress index is measured according to a basic measurement period (for example, once / 6 minutes, average current consumption of about 1 mA) at the initial wearing of the wearable device 100.
  • the stress index is temporarily measured until the movement of the user is reduced at a point or section (eg, walking or moving) where a lot of user movement is detected, such as a place movement. You can stop, lengthen the measurement period of the stress index, or ignore the measured value.
  • the controller 180 may vary the measurement period of the stress index based on the stress index accumulated for a predetermined time.
  • the measurement period of the stress index may be shortened (eg, 1 minute / 5 minutes) in consideration of the high average value of the accumulated stress index in the daytime periods A and B during which the work is performed.
  • the measurement period of the stress index is adjusted long (eg 1 minute / 20 minutes) or in the sleep mode (eg, 1 minute / 1 hour).
  • the controller 180 makes the measurement period of the stress index longer than the reference value, and measures the measurement period of the stress index when the stress index is out of the reference range. Shorter control is possible.
  • the controller 180 may adjust the degree of change of the stress index measurement interval differently according to the degree of the stress index outside the reference range. For example, if the measured stress index is slightly out of the reference range, measure the stress index every 1 to 3 minutes every 3 minutes, and if the measured stress index is far beyond the standard range, make the stress index measuring interval shorter. For example, it can be adjusted to measure for 1 minute every 2 minutes or continuously measured without rest period until the stress index is relaxed to a predetermined value.
  • the controller 180 outputs notification information indicating that the measurement period of the stress index has been changed, for example, in the form of sound, screen change, vibration, LED light, etc. It may indicate that it is variable.
  • the notification information may include not only the increase or decrease of the measurement cycle of the stress index, but also a value of the specific measurement cycle (eg, change from 3 minutes to 5 minutes).
  • the controller 180 may initialize the variable measurement cycle or increase or decrease the measurement cycle at a predetermined time interval.
  • FIG. 6 is a diagram for describing a method of varying a measurement period of a stress index for each measurement position, according to an exemplary embodiment.
  • the wearable device 100 may activate the location information module and receive the location information of the main body.
  • the controller 180 of the wearable device 100 may generate a stress index for each location by associating the stress index accumulated for a predetermined time with the location information of the main body.
  • the stress indicator may be defined as the location information associated with the customized stress pattern. That is, as well as generating a different stress pattern for each person, a plurality of stress indicators corresponding to a plurality of predefined positions for each user is generated.
  • the stress index includes cumulative information of the stress index, and the base of the stress index refers to a stress index threshold of a range recognized as a case where the stress index is not a stress state.
  • a stress index for 'Company' and a stress index for 'Home' may be generated, respectively.
  • the base of the stress index for 'Company' and the base of the stress index for 'Home' may have different values.
  • the base of the stress indicator corresponds to the stress index threshold or the threshold range of the range recognized as the case in which the stress index is not a stress state.
  • the controller 180 may set different threshold values of the reference range for determining the stress state based on the stress indicator corresponding to the position information of the main body when the stress index is measured.
  • the current stress index is '70'
  • the base of the stress index for 'Company' that is, the critical stress index recognized as a non-stress state
  • the stress index for '80' and 'Home' is the stress index for '80' and 'Home'.
  • the base of is '60'.
  • the controller 180 may change the measurement period of the stress index based on a base of the stress index corresponding to the position information of the main body.
  • the controller 180 may change the measurement period of the stress index longer than the reference value.
  • the controller 180 may change the measurement period of the stress index to a reference value or shorter than the reference value.
  • the stress at 'Company' is higher than the base of the stress indicator at 'Home' (eg '60')
  • the stress at 'Company' The measurement period of the exponent is a reference value (e.g., 1 minute every 6 minutes) or shorter intervals, and the measurement period of the tress index in 'Home' is longer than the reference value (e.g., 1 minute every 18 minutes).
  • ' Can be used to measure the stress index.
  • the stress index may be analyzed differently for each person in the same place. For example, a user having a higher base of the stress index at 'Home' than at 'Company', the measurement interval of the stress index at the 'Home' You will be able to adjust the shorter.
  • the stress index is measured more frequently in the place where the stress index is higher and the measurement interval is increased in other places, thereby improving the reliability of measuring the stress index and at the same time, the power consumption (e.g. The PPG sensor can be deactivated).
  • the controller 180 may acquire movement information of a user wearing the main body by using an acceleration sensor and a gyro sensor.
  • the controller 180 may enter a stress index measurement mode based on the obtained motion information.
  • the controller 180 may maintain the standby mode without entering the stress measurement mode. This is because, when the stress index is measured based on the sensed biometric information when the user's movement is large, the reliability of the stress index is deteriorated.
  • the controller 180 enters the stress measurement mode when the activity is less than the reference value as a result of the analysis of the acquired motion information, and enters the sensors related to the measurement of the stress index, for example, PPG, ECG,
  • the location information module can be activated.
  • the stress measurement mode may include a plurality of operation modes that vary at least one of a type, a number of sensors, and an analysis method of biometric information that are activated to detect biometric information of a user.
  • the stress measurement mode may include a low power mode and a precision mode according to the precision of measuring the stress index.
  • the controller 180 calculates an activity amount corresponding to the movement information obtained according to the wearing of the main body, and executes one of the low power mode and the precision mode to measure the stress index based on the calculated activity amount. Can be.
  • the stress index can be measured by using sensors with low power consumption or by increasing the stress index measurement interval (turning the sensor inactive during the idle period).
  • precision mode focuses on accurately measuring the user's stress index and uses as many sensors as possible or shortens the measurement interval or measurement time (eg, 2 minutes every 6 minutes) of the stress index.
  • the controller 180 may measure the stress index in the low power mode when the amount of activity calculated based on the motion information acquired during the reference time is less than or equal to a predetermined value. In addition, the controller 180 may measure the stress index in the precision mode when a stress index exceeding the threshold of the reference range is detected in the low power mode or when the calculated activity amount exceeds the threshold for a predetermined time. .
  • the activity index is measured in the low power mode if the activity is less than the reference value, and the screen information corresponding to the execution of the low power mode.
  • the graph 701 of the stress index measured in the low power mode may be output to the display unit 151.
  • the stress index is measured by low sampling the acquired biometric information at about 20 Hz.
  • the graph 701 of the stress index may be displayed with a predetermined transparency or limited to a specific area so as not to cover the information (eg, time information) output on the display unit 151.
  • the screen information 701 may further display an indicator bar 711 indicating the progress of the measurement of the stress index.
  • a warning image 702 may be output on the screen to reduce the movement.
  • notification information 703 informing the stress information is output on the screen.
  • a graph object 712 indicating a stress level and text information 713 are displayed, and information related to the heart rate information 714 and the stress index is displayed in the divided areas.
  • Providing prompt 715 may be output.
  • Prompt 715 may be in parallel voice form, followed by guide information to relieve stress. For example, "Did you have a hard day?" Thereafter, information such as 'let's exercise?' May be provided in the form of talkback.
  • the notification information 703 may not display the degree of stress, and only information for inducing the output of the stress relief information may be output.
  • the notification information 703 may include only an image, a video, and the like, which may relieve stress, so that the user does not receive secondary stress.
  • the stress index may be measured by switching from the low power mode to the precision mode.
  • FIG. 7B may wait without entering the measurement mode in consideration of the reliability of the stress index measurement when the movement information of the user wearing the watch-type wearable device 100 is analyzed and the activity amount exceeds the reference value. Subsequently, when the state in which the activity amount exceeds the reference value continues for a predetermined time, the display unit 151 outputs notification information 721 for inducing the movement to be reduced as shown in FIG. 7B.
  • the content of the notification information 721 may vary depending on the size and duration of the activity amount exceeding the reference value.
  • a warning sound may be output together.
  • the notification information 721 is output and the user's motion information is reduced below the reference value
  • the measurement of the stress index is started in the precision mode, and the screen information corresponding to the execution of the precision mode is measured, for example, in the precision mode.
  • the graph of the stress index 704 may be output to the display unit 151.
  • the obtained biometric information is high sampled at about 200 Hz to measure the stress index.
  • the stress index is changed to the low power mode from the precision mode. It can be measured.
  • the stress can be measured in a more suitable operation mode based on the user's activity and the current stress index, thereby improving the reliability of measuring the stress index.
  • the wearable device 100 may recognize that the stress state is resolved when the increased stress index reaches the base of the corresponding stress index.
  • FIGS. 8 to 13 various methods for providing a stress releasing service for reaching an increased stress index corresponding to a base of a stress index will be described.
  • FIG. 8 illustrates an example of outputting a predetermined content on a screen to solve stress when it is determined that the stress state is a stress state.
  • the stress information 801 generated based on the stress index accumulated for a predetermined time is displayed It can be output to the unit 151.
  • the stress information 801 information informing the stress state is displayed in the first region 801a, and information inducing the release of the stress state is displayed in the second region 801b.
  • the information indicating the stress state may be omitted in the stress information 801, and only information for inducing the release of the stress state may be output.
  • the first region 801a may further display an object 811 indicating an average stress index (eg, '70'), and may further display an image corresponding to current location information although not shown.
  • the information displayed in the second area 801b is changed to guide information 802 for inducing the output of predetermined content for releasing stress when a predetermined time elapses or a touch input is applied.
  • guide information for inducing a user-specific breathing therapy is output, and if a selection is inputted, a user-specific breathing therapy is executed to induce an 'inhale' image 804 and an 'inhale' image (805). ) Are alternately output according to the specified breathing cycle. Also, although not shown, voice prompts that correspond to 'inhale' and 'exhale' (eg, take a deep breath, are doing well, etc.), or sound effects (eg ) Can be output together.
  • Customized breathing therapy is determined based on the user's heart rate variability, so the breathing cycles of 'breath' and 'exhale' are different for each user.
  • Customizable respiratory therapy can be obtained by detecting a cycle in which the heart rate fluctuation is maximal as the HRV is measured while varying the breathing cycle. In 'breath', the cycle of PPG signal decreases, and in 'breath', the cycle of PPG signal increases, which can lower the stress index.
  • the wearable device 100 may measure heart rate variability of the user to determine whether to follow a predetermined breathing cycle. In addition, based on the measurement records during this time, it is possible to update the breathing cycles of 'inhale' and 'exhale' of user-specific breathing therapy.
  • the controller 180 While the user-specified breathing therapy is performed, if a user input is detected or the stress index is reduced to or below the base of the stress index corresponding to the current position, the controller 180 ends the user-specified breathing therapy and The screen information is then output.
  • 9 and 10 illustrate a method of outputting content for lowering a stress index by using a touch input.
  • the controller 180 of the wearable device 100 constantly monitors the stress index and finds that the stress state exceeds the threshold value of the reference range based on the stress index corresponding to the current position, Based on the current location, it is possible to extract the situation information suitable for stress relief.
  • the controller 180 may determine the stress state by using the average stress pattern or by using the stress indicator frequently referred to in the modern time zone.
  • the controller 180 may store the position information and / or time information of the main body together when collecting the situation information in the section in which the increased stress index is relaxed more than the reference range, that is, the stress relief section. Subsequently, if a stress condition is found, context information corresponding to the same or similarly classified location information as the current location may be first extracted or context information may be extracted in consideration of the current time zone.
  • the terminal location at the time when the 'drama watching' is collected as the first situation information in the stress relief interval is' home 'and the terminal location at the time when the' stretching 'is collected as the second situation information is' the
  • the first situation information collected at the same location that is, 'drama viewing' may be extracted first.
  • the current time zone is 'night'
  • 'drama viewing' which interferes with the user's sleep may be excluded or extracted even if it is extracted.
  • a notification icon 910 indicating a stress state is displayed in one region of the current screen 901. Can be output.
  • the type of the current screen 901 is not limited, and the entire display unit 151 may be in an inactive state, a specific application is running, or a home screen screen.
  • the notification icon 910 may be output as another image according to the stress level corresponding to the measured stress index.
  • the other image means that at least one of the shape, size, transparency, color, and highlighting of the image is different.
  • the higher the stress level the larger the notification icon 910 may be displayed or displayed in a color that is more visually distinct.
  • a corresponding alarm for example, vibration, sound, and LED light may be output together.
  • the controller 180 may adjust and output the intensity of the alarm according to the degree to which the measured stress index deviates from the threshold of the reference range.
  • the controller 180 may limit the display of the notification icon 910 only when an intentional manipulation of a user such as a proximity touch or a touch input is detected on the display unit 151.
  • the notification icon 910 may be limited to pop up only at a preset time zone (eg, '9 pm') or at a specific place (eg, 'Home').
  • a plurality of notification icons may be output based on the number of times the stress state is detected.
  • a predetermined image or color on the notification icon 910 it is possible to provide information so as to know at a time (time zone) and / or the location of the terminal at the time when the stress state of the user is detected. .
  • icons 911, 912, and 913 of an application related to the extracted context information corresponding to the current location may be displayed.
  • the icons 911, 912, and 913 of the application may vary in number, size, arrangement, and display order based on a predetermined criterion, for example, a user's preference.
  • the icons 911, 912, and 913 of the application may display detailed information of contents related to the extracted contextual information along with information about the corresponding application.
  • the icon 912 of the call application may display information on the other party (eg, 'MOM') for performing a call.
  • the content linked to the selected icon 912 is executed. For example, a call connection is attempted to the MOM, and a call connection screen 921 is output to the display unit 151.
  • the wearable device 100 may continuously monitor the stress index even after a call is connected to the MOM, and update the situation information based on the monitoring result. In addition, when the stress index does not significantly decrease through the selected content, the wearable device 100 may recommend other content corresponding to the extracted situation information.
  • FIG. 10 shows that content for relieving stress is provided differently according to the current position of the device.
  • the controller 180 detects the situation information stored in the stress relief section based on the current position.
  • various major categories 1111, 1112, and 1113 related to health care may be displayed in a list form.
  • the list may include, for example, sectors such as details view 1111 related to the stress state, information view 1112 related to stress relief, stress factor storage 1113, and the like.
  • the view 1112 related to the stress releasing is selected, the current position of the device is determined, and the contextual information corresponding to the stress releasing is generated to generate the stress relief scenario.
  • the stress relief scenario may be generated using content corresponding to the extracted situation information, and may include prompt information for inducing a user manipulation for stress relaxation.
  • a specific photographic image 1120 may be output first.
  • the flicking touch input in the left and right directions is applied to the display unit 151 as an operation for executing the next content
  • the next content for relieving stress together with the prompt information 1131, for example, 'purchasing a book' Icons 1132, 1133, 1134 of various applications capable of performing a 'are recommended.
  • the situation information may be updated based on a user's operation history, a history of executed content, and the like.
  • the voice recognition function and the Speach To Text (STT) function are activated to stress the user in a talkback manner.
  • the wearable device 100 may store the contents of the conversation with the user and apply them to the next conversation. In addition, the wearable device 100 may update pre-stored context information based on a conversation content with the user.
  • stress relief information may be provided through a mobile terminal 200, for example, a smart phone, which is linked to the wearable device 100.
  • the mobile terminal 200 interworking with the wearable device 100 may include a feature of the wearable device 100 of FIG. 1A or a feature similar thereto.
  • a notification icon 1310 indicating a stress state is output to one region, for example, an edge region of the display unit 151. Can be.
  • a proximity touch or a touch input eg, 'single touch'
  • at least a part of the stress relief information or abstract information to be provided when the application is executed is a speech bubble or a pop-up window. Displayed in form 1321, it may help the user to make a selection.
  • a touch input eg, “double touch or long touch”
  • the display unit displays the linked specific content, for example, the specific photo image 1330 by executing the corresponding application. And output to 151.
  • the wearable device and the control method thereof it is possible to measure the stress at low power at all times, and selectively provide stress relief information more suitable for use in the current situation when stress occurs. have. Accordingly, it helps to reduce the increased stress quickly and efficiently, and can provide services specialized for the user.
  • the measurement cycle or the measurement mode of the stress index can be flexibly changed in consideration of the activity amount and the stress index of the user, it is possible to satisfy both the improvement of the measurement reliability of the stress index and the reduction of power consumption.
  • the present invention described above can be embodied as computer readable codes on a medium in which a program is recorded.
  • the computer-readable medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable media include hard disk drives (HDDs), solid state disks (SSDs), silicon disk drives (SDDs), ROMs, RAMs, CD-ROMs, magnetic tapes, floppy disks, optical data storage devices, and the like. This also includes implementations in the form of carrier waves (eg, transmission over the Internet).
  • the computer may include the controller 180 of the terminal. Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative. The scope of the invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the invention are included in the scope of the invention.

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Abstract

La présente invention concerne un dispositif vestimentaire et un procédé de commande correspondant. Selon des modes de réalisation représentatifs, la présente invention comporte: une unité de mesure pour mesurer un indice de stress d'un utilisateur sur la base d'information biologique de l'utilisateur devant être détectée en fonction du port d'un corps principal de dispositif vestimentaire; et une unité de commande pour l'accumulation de l'indice de stress mesuré pendant une durée prédéterminée, et la variation d'une période de mesure de l'indice de stress sur la base de l'indice de stress accumulé. Selon des modes de réalisation représentatifs de la présente invention, le stress peut être mesuré régulièrement avec une faible puissance, et une période de mesure et un mode de mesure d'un indice de stress peuvent être variés de manière souple en fonction de la quantité d'activité de l'utilisateur et l'indice de stress.
PCT/KR2015/013155 2015-11-26 2015-12-03 Dispositif vestimentaire et procédé de fonctionnement correspondant Ceased WO2017090810A1 (fr)

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