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WO2018192164A1 - 用于降低Type-C接口功耗的方法及装置和系统 - Google Patents

用于降低Type-C接口功耗的方法及装置和系统 Download PDF

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Publication number
WO2018192164A1
WO2018192164A1 PCT/CN2017/102332 CN2017102332W WO2018192164A1 WO 2018192164 A1 WO2018192164 A1 WO 2018192164A1 CN 2017102332 W CN2017102332 W CN 2017102332W WO 2018192164 A1 WO2018192164 A1 WO 2018192164A1
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WO
WIPO (PCT)
Prior art keywords
video
interface
playback device
audio
type
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/CN2017/102332
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English (en)
French (fr)
Inventor
易海军
李斌
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.)
Shenzhen Coolhear Information Technology Co Ltd
Original Assignee
Shenzhen Coolhear Information Technology Co Ltd
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 Shenzhen Coolhear Information Technology Co Ltd filed Critical Shenzhen Coolhear Information Technology Co Ltd
Priority to US16/118,411 priority Critical patent/US20180364794A1/en
Publication of WO2018192164A1 publication Critical patent/WO2018192164A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3293—Power saving characterised by the action undertaken by switching to a less power-consuming processor, e.g. sub-CPU
    • 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
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • 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
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • 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
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/951—Measures for supplying operating voltage to the detector circuit
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042—Universal serial bus [USB]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the technical field of Type-C interfaces, and more particularly to a method, apparatus, and system for reducing power consumption of a Type-C interface.
  • USB and Type-C interfaces of smart phones has more communication control capabilities, richer video and audio interfaces, and more convenient power management capabilities.
  • the original 3.5mm Type-C The interface will also be slowly replaced by the corresponding USB above
  • the Type-C interface is replaced, so the video and audio playback device for such digital video and audio interfaces will gradually replace the original 3.5mm stereo, analog type-C interface traditional video and audio playback device, Type-C interface
  • the audio playback device has a digital audio processing chip inside, and has a corresponding software program, which is a comprehensive small system.
  • the video and audio playback device of the digital video and audio interface consumes more power than the conventional video and audio playback device, and the existing video and audio playback device of the USB, Type-C interface when using the digital video and audio USB, Type-C interface.
  • the system is currently not perfect in terms of power consumption processing. As long as the digital audio interface video and audio playback device is connected to the device interface, the device consumes power regardless of whether it is talking or playing audio data, but for the handheld mobile communication device itself, There are strict requirements on power consumption, so when using a digital audio interface video and audio playback device, it is prone to waste of power.
  • VR games and video source content are also combined with mobile terminal applications, and can be used as a playback and control interactive interface through the Type-C interface.
  • devices such as video and VR games and experiences that are played through the Type-C interface will also face power control and management issues.
  • the Type-C interface video/audio playback device continuously consumes power during use or continuously consumes the power of the mobile phone or its own battery when not in use.
  • the problem is to reduce unnecessary power waste and reduce power consumption.
  • a method for reducing power consumption of a Type-C interface comprising:
  • step S1 determining whether the video-audio playback device connected to the Type-C interface played by the mobile terminal is not in use. If the video-audio playback device is not in use, proceed to step S2, if the video-audio playback device is not in the unused state. , then proceed to step S3;
  • the further technical solution is: determining whether the video-audio playback device connected to the Type-C interface played by the mobile terminal is in a non-use state, and specifically detecting whether the video and audio playback device is in a wearing state, and if the video and audio playback device is in a wearing state The audio and video playback device is in use, and if the audio and video playback device is not in the wearing state, the video and audio playback device is not in use.
  • the further technical solution is: determining whether the Type-C interface video and audio playback device connected to the mobile terminal is in a non-use state, and further comprising the following specific steps:
  • step S11 Determine whether the power consumption management setting of the video and audio playback device is enabled. If the power consumption management setting of the audio and video playback device is not enabled, proceed to step S3. If the power consumption setting of the audio and video playback device is enabled, proceed to step S12;
  • the statistical video and audio playback device configuration has no effective video and audio signal input duration
  • step S13 Determine whether the input time of the valid video and audio signal does not reach a preset time. If the input time of the valid video and audio signal does not reach the preset time, proceed to step S3, if the effective video and audio signal is not input. If the duration has reached the preset time, proceed to step S2;
  • step S14 Determine whether the mobile terminal has no touch screen operation within the configured time. If the mobile terminal does not have a touch screen operation within the configured time, proceed to step S3. If the mobile terminal has a touch screen operation within the configured time, perform S2. step.
  • a further technical solution is: the step of turning off or reducing the output power of the Type-C interface of the mobile terminal, specifically adopting a power-down output of the Type-C interface or driving the interface to enter a low-power mode of deep sleep.
  • the present invention also provides an apparatus for reducing power consumption of a Type-C interface, including a sensor and an audio and video playback device body, the video and audio playback device body being provided with a microcontroller, a power manager, a mobile terminal Type-C interface, and An audio/video codec, the sensor, a power manager, a mobile terminal Type-C interface, and an audio/video codec are respectively connected to the microcontroller; the microcontroller is provided with a power management module, and the power management module controls the sensor Detecting, the microcontroller determines, according to the detection result, whether the video and audio playback device connected to the mobile terminal is in a wearing state, wherein the sensor detects whether the video and audio playback device is in a wearing state, and if the video and audio playback device is in a wearing state, the microcontroller The drive power manager maintains the original output power of the interface; if the video and audio playback device is not in the worn state, the microcontroller drives the power manager to turn off the output power of the interface or
  • the present invention also provides a system for reducing power consumption of a Type-C interface, including a determining unit and a power consumption control unit;
  • the determining unit is configured to determine whether the Type-C interface video and audio playback device connected to the mobile terminal is in an unused state
  • the power consumption control unit is configured to close or reduce the output power of the Type-C interface of the mobile terminal or maintain the original power state of the Type-C interface of the mobile terminal.
  • the determining unit includes a detecting module, and the detecting module is configured to detect whether the video-audio playing device connected to the Type-C interface played by the mobile terminal is in a wearing state, and if the video-audio playing device is in a wearing state, The video and audio playback device is in use. If the video and audio playback device is not in the wearing state, the video and audio playback device is not in use.
  • the determining unit further includes a setting start determination module, a statistics module, a duration determining module, and an operation determining module;
  • the setting start determination module is configured to determine whether the power consumption management setting of the Type-C interface video and audio playback device connected to the mobile terminal is turned on;
  • the statistic module is configured to count the duration of the input of the video and audio playback device without the effective video and audio signal input;
  • the duration determining module is configured to determine whether the duration of the input of the valid video and audio signal does not reach a preset time
  • the operation determining module is configured to determine whether the mobile terminal has no touch screen operation within a configured time. .
  • the method for reducing the power consumption of the Type-C interface of the present invention is determined by the power consumption setting of the sensor and/or the audio and video playback device, and no effective video and audio signal input is input.
  • the duration judgment and the mobile device have no touch screen operation judgment during the configuration time, and whether the video and audio playback device is in the unused state, and according to the obtained result, the output power of the processing interface is corresponding, and the video and audio playback device of the digital audio interface is used.
  • FIG. 1 is a flowchart of a method for reducing power consumption of a Type-C interface according to an embodiment of the present invention
  • FIG. 2 is a specific flowchart of determining whether an AV playback device is in a use state according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of reducing power consumption of a Type-C interface according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a system for reducing power consumption of a Type-C interface according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a determining unit according to an embodiment of the present invention.
  • the method for reducing the power consumption of the Type-C interface can be applied to the video-audio playback device connected to the Type-C interface to implement the Type-C interface. It continuously consumes the power problem of the mobile phone or its own battery when it is continuously used or not in use, reducing unnecessary power waste and reducing power consumption.
  • Type-C interface connected audio and video equipment includes, but is not limited to, earphones, speakers, video glasses, VR helmets, and the like, and the like.
  • This embodiment provides a method for reducing power consumption of a Type-C interface, where the method includes:
  • step S1 determining whether the video-audio playback device connected to the Type-C interface played by the mobile terminal is not in use. If the video-audio playback device is not in use, proceed to step S2, if the video-audio playback device is not in the unused state. , then proceed to step S3;
  • the mobile terminal includes a portable playback device having a Type-C interface and a battery, such as a mobile phone, a tablet computer, a portable audio player, and the like.
  • the sensor 1 described above employs an infrared proximity sensor 1, a capacitive sensor 1, or a Hall sensor, a magnetic induction sensor 1, an acceleration, a photosensor 1, a pressure sensitive sensor 1, a blood oxygen detecting sensor, a heart rate detecting sensor, etc. for testing body proximity.
  • an infrared proximity sensor 1 a capacitive sensor 1, or a Hall sensor
  • a magnetic induction sensor 1 an acceleration
  • a photosensor 1 a pressure sensitive sensor 1
  • a blood oxygen detecting sensor a heart rate detecting sensor, etc.
  • the above S1 step is determined to be connected to the mobile terminal for playing.
  • the Step of the Type-C interface video/audio playback device is not in use, and includes the following specific steps:
  • step S11 Determine whether the power consumption management setting of the video and audio playback device is enabled. If the power consumption management setting of the audio and video playback device is not enabled, proceed to step S3. If the power consumption setting of the audio and video playback device is enabled, proceed to step S12;
  • the statistical video and audio playback device configuration has no effective video and audio signal input duration
  • step S13 Determine whether the input time of the valid video and audio signal does not reach a preset time. If the input time of the valid video and audio signal does not reach the preset time, proceed to step S3, if the effective video and audio signal is not input. If the duration has reached the preset time, proceed to step S14;
  • step S14 Determine whether the mobile terminal has no touch screen operation within the configured time. If the mobile terminal does not have a touch screen operation within the configured time, proceed to step S3. If the mobile terminal has a touch screen operation within the configured time, perform S2. step.
  • the setting can be turned on by the artificial setting.
  • the setting can also be started by the smart voice.
  • the statistical video and audio playback device configuration has no effective video and audio signal input duration, and no valid video and audio input represents that the video and audio playback device does not have digital audio or video playback or call or communication, and when detecting digital video and audio signals Domain and frequency domain changes are used as the basis for judgment.
  • DSP audio processing is added to the video and audio playback device to monitor the data transmitted by the USB and mobile terminal Type-C interface 4, if not for the audio and video playback data, and for a period of time. If the video and audio data being played is not detected, it is also conceivable to turn off or sleep the video and audio playback device. Of course, if the video/audio playback device is used for communication or talking, the video or audio playback device is not turned off or hibernated.
  • step S14 it is determined whether the mobile terminal has no touch screen operation within the configured time, mainly determining whether to stop playing the video or audio or the mobile terminal has not operated for a long time. Selecting the configuration in the mobile terminal, and detecting whether the user has stopped operating/stopping the video and audio software, at this time, the video and audio playback device connected to the Type-C interface 4 of the mobile terminal can enter the state of sleeping low power consumption, or directly close the mobile. The power of the terminal Type-C interface 4.
  • step S2 the step of turning off or lowering the output power of the Type-C interface 4 of the mobile terminal, specifically, turning off the power output of the Type-C interface 4 of the digital AV mobile terminal or driving the Type-C interface 4 of the mobile terminal to enter the depth Low power mode of sleep.
  • the audio and video playback device powers up, or, by replaying the video and audio content, initiates a wake-up in a low power state.
  • the two methods described above can be used to detect whether the video and audio playback device is in an unused state.
  • the above method for reducing the power consumption of the Type-C interface is determined by the power consumption setting of the sensor 1 and/or the audio and video playback device, the judgment of no audio input duration, and the fact that the mobile device has no touch screen operation during the configuration time, and obtains Whether the video and audio playback device is in an unused state, and correspondingly processing the output power of the mobile terminal Type-C interface 4 according to the obtained result, and solving the continuous power consumption of the video and audio playback device of the digital audio interface during use or continuously consuming the mobile phone when not in use And the power problem of the mobile terminal or the video and audio playback device itself with the battery, Effectively extend the battery life of mobile phones and mobile terminals, protect the battery life of mobile phones and mobile terminals, reduce unnecessary power waste, and reduce power consumption.
  • the embodiment further provides an apparatus for reducing power consumption of the Type-C interface, including the sensor 1 and the video and audio playback device body, and the video and audio playback device body is provided with a microcontroller 2, a power manager 3, and a mobile terminal Type.
  • the microcontroller 2 is provided with power management The module, the power management module controls the sensor to detect, and the microcontroller 2 determines, according to the detection result, whether the video and audio playback device connected to the mobile terminal is in a wearing state, wherein the sensor 1 detects whether the video and audio playback device is in a wearing state, if the audio and video When the playback device is in the wearing state, the microcontroller 2 drives the power manager 3 to maintain the original output power of the mobile terminal Type-C interface 4; if the video and audio playback device is not in the wearing state, the microcontroller 2 drives the power manager 3 The output power of the mobile terminal Type-C interface 4 is turned off or the output power of the mobile terminal Type-C interface 4 is lowered.
  • the sensor 1 described above employs an infrared proximity sensor 1, a capacitive sensor 1, or a Hall sensor, a magnetic induction sensor 1, an acceleration, a photosensor 1, a pressure sensitive sensor 1, a blood oxygen detecting sensor, a heart rate detecting sensor, etc. for testing body proximity.
  • an infrared proximity sensor 1 a capacitive sensor 1, or a Hall sensor
  • a magnetic induction sensor 1 an acceleration
  • a photosensor 1 a pressure sensitive sensor 1
  • a blood oxygen detecting sensor a heart rate detecting sensor, etc.
  • the audio/video playback device of the Type-C interface 4 may be provided with a magnetic switch or a Hall switch, and the video and audio playback device is provided with a cover, and the cover is also provided with a magnetic substance when the cover is closed.
  • the magnetic or Hall switch changes its original state (such as switching from on to off, or from off to on), then changing the power state of the Type-C interface 4 (from the original power supply to off)
  • the power supply, or the original power supply is turned off to be turned on, and in other embodiments, when the video-audio playback device of the Type-C interface is composed of two symmetrical devices, the magnetic Hall is set in the two devices.
  • the switch state of the magnetic Hall switch corresponds to the replacement of the Type-C interface 4 power state, such as the symmetrical arrangement of the two headphones constitute the Type-C interface
  • the Type-C interface 4 power is turned off, and when the two headphones are separated, the Type-C interface 4 power remains in the original state.
  • the above device for reducing the power consumption of the Type-C interface detects whether the video/audio playback device is not in use by using the sensor 1, and solves the problem that the audio-video playback device of the Type-C interface continues to consume power or not when in use. Continue to consume power from the phone or its own battery, Effectively extend the battery life of the mobile terminal, protect the battery life of the mobile terminal, reduce unnecessary power waste, and reduce power consumption.
  • the embodiment further provides a system for reducing power consumption of the Type-C interface, including the determining unit 10 and the power consumption control unit 20.
  • the determining unit 10 is configured to determine whether the Type-C interface video and audio playback device connected to the mobile terminal is in an unused state.
  • the power consumption control unit 20 is configured to turn off or reduce the output power of the mobile terminal Type-C interface 4 or maintain the original power state of the mobile terminal Type-C interface 4.
  • the power consumption control unit 20 is mainly composed of a drive interface of a hardware interface such as a mobile terminal Type-C interface 4, a communication interface, a power consumption control circuit interface, and a communication control module, such as: configuration of an audio/video digital-to-analog converter, Sensor 1 sampling function setting control, mobile terminal power management switch, sleep wake-up and other functions.
  • the communication control module includes an implementation of a communication protocol between the mobile terminal and the digital video and audio playback device, and implements functions such as volume adjustment control, playback and call switching, video resolution switching, video and audio frequency data transmission and reception, and control data transmission and reception.
  • the power control unit 20 turns off or reduces the output power of the Type-C interface 4 of the mobile terminal, specifically, the power output of the Type-C interface 4 of the mobile terminal is turned off or the low-power consumption of the mobile terminal Type-C interface 4 is entered to enter the deep sleep.
  • the power output of the mobile terminal Type-C interface 4 is turned off or the mobile terminal Type-C interface 4 is driven into the low power mode of deep sleep, it needs to be manually re-plugged by the Type-C interface 4 of the mobile terminal.
  • the audio and video playback device powers up, or, by replaying the video and audio content, initiates a wake-up in a low power state.
  • the determining unit 10 includes a detecting module 11 for detecting whether the video and audio playing device connected to the mobile terminal is in a wearing state, and if the video playing device is in a wearing state, the video and audio playing device is in use. When the AV playback device is not in the wearing state, the AV playback device is not in use.
  • the above detection module 11 can adopt an infrared proximity sensor 1 for measuring body proximity, a capacitive sensor 1, or a Hall sensor, a magnetic induction sensor 1, an acceleration sensor, a photosensitive sensor 1, a pressure sensitive sensor 1, a blood oxygen detecting sensor, and a heart rate detecting.
  • Sensor, etc. - as a sensing device for detecting whether or not the audio-audio playback device is already worn on the head of the human body, turning on the power when worn, and intelligently determining to turn off the power when it is removed from the head and not worn.
  • the determining unit 10 further includes a setting opening determination module 12, a statistics module 13, a duration determining module 14, and an operation determining module 15.
  • the setting start determination module 12 is configured to determine whether the power consumption management setting of the Type-C interface video and audio playback device played by the mobile terminal is enabled.
  • the statistics module 13 is configured to count the duration of the input of the video and audio playback device without the effective video and audio signal input.
  • the duration determining module 14 is configured to determine whether the duration of the input of the valid video and audio signal does not reach a preset time.
  • the operation determining module 15 is configured to determine whether the mobile terminal has no touch screen operation within the configured time.
  • the statistic module 13 adds the DSP video and audio processing to the USB and mobile terminals in the video and audio playback device by using the time domain and the frequency domain change of the digital video and audio signals as the basis for determining the statistical duration and the duration determining module 14 when determining the duration.
  • the data transmitted by the Type-C interface 4 is monitored. If it is not valid video and audio playback data, and the valid video and audio data is not detected for a period of time, it may also be considered to turn off or sleep the video and audio playback device. Of course, if the video or audio playback device is used for video or video communication, the video or audio playback device is not turned off or hibernated.
  • the foregoing system for reducing the power consumption of the digital audio interface video and audio playback device further includes an audio and video playback unit, and the video and audio playback unit has a mobile terminal Type in the mobile terminal, the portable player, the notebook computer, and the like.
  • the C interface 4 device is installed and operated to play online video and audio, or local video and audio content software. The functions are mainly completed: communication acquisition and authentication of video and audio content, decoding and playback, and video and audio stream acquisition and buffering.
  • the system for reducing the power consumption of the video and audio playback device of the digital video and audio interface further includes a power consumption control circuit unit including a microcontroller 2, a sensor 1, a mobile terminal Type-C interface 4, an acquisition control circuit,
  • the audio and video playback device decoding and driving circuit and the power management low-power control circuit realize the acquisition of the sensor 1 information, and judge according to the configured conditions, and the power consumption control unit 20 controls the power consumption control circuit unit to realize the final system power consumption.
  • the system for reducing the power consumption of the Type-C interface is used to determine whether the video/audio playback device is in the unused state, and the power consumption control unit 20 is configured to process the output of the mobile terminal Type-C interface 4 according to the obtained result.
  • the power supply solves the problem that the Type-C interface video/audio playback device continuously consumes power during use, and continuously consumes the power of the mobile phone and the mobile terminal or the video and audio playback device itself. Effectively extend the battery life of mobile phones and mobile terminals, protect the battery life of mobile phones and mobile terminals, reduce unnecessary power waste, and reduce power consumption.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
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Abstract

用于降低Type-C接口功耗的方法及装置和系统，该方法包括判断Type-C接口视音频播放设备是否处于不使用状态(S1)，若Type-C接口视音频播放设备处于不使用状态，则关闭或降低接口的输出电源(S2)，若Type-C接口视音频播放设备处于使用状态，则保持接口原有的电源状态(S3)。通过传感器(1)和/或电源功耗设置获取视音频播放设备是否处于不使用状态，根据获取的结果对应处理接口输出电源，解决视音频播放设备在使用时的持续耗电或者不使用时持续消耗手机和移动终端或视音频播放设备本身自带电池的电能问题，有效延长手机和移动终端的电池续航使用时间，保护手机和移动终端的电池的使用寿命，减少不必要的电能浪费，降低功耗。

Description

用于降低Type-C接口功耗的方法及装置和系统
技术领域
本发明涉及Type-C接口的技术领域，更具体地说是指用于降低Type-C接口功耗的方法及装置和系统。
背景技术
随着数字视音频接口，智能手机的USB、Type-C接口的使用，具有更多的通信控制能力、更丰富的视音频接口、更方便的电源管理能力，原有的3.5mm的Type-C接口也将慢慢被上述相应的USB 、Type-C接口替代，所以针对这类数字视音频接口的视音频播放设备也将慢慢取代原有的3.5mm立体声，模拟Type-C接口的传统视音频播放设备，Type-C接口的视音频播放设备内部有数字音频的处理芯片，并且具有相应的软件程序，是一个综合的小系统。
数字视音频接口的视音频播放设备比传统的视音频播放设备耗费更多的电量，在使用数字视音频USB、Type-C接口时，并且现有的USB、Type-C接口的视音频播放设备系统目前在功耗处理方面做得并不完善，只要数字音频接口视音频播放设备接在设备接口上，不论是否通话和播放音频数据，设备就一直耗电，而对于手持移动通信设备、本身就对功耗有严格的要求，因此，在使用数字音频接口视音频播放设备时，容易出现浪费电量的问题。
另外，依托移动终端的强大的网络功能，以及丰富的移动中娱乐内容源及应用，VR游戏及视频源内容也和移动终端的应用结合，并且能够通过Type-C接口作为播放和控制交互接口，同音频播放设备面临的问题一样，视频及VR游戏，体验等内容通过Type-C接口来进行播放的设备也同样会面临功耗控制和管理的问题。
因此，有必要设计一种用于降低Type-C接口功耗的方法，实现解决Type-C接口视音频播放设备在使用时的持续耗电或者不使用时持续消耗手机或本身自带电池的电能问题，减少不必要的电能浪费，降低功耗。
发明内容
本发明的目的在于克服现有技术的缺陷，提供用于降低Type-C接口功耗的方法及装置和系统。
为实现上述目的，本发明采用以下技术方案：用于降低Type-C接口功耗的方法，所述方法包括：
S1、判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态，若此视音频播放设备处于不使用状态，则进行S2步骤，若此视音频播放设备不处于不使用状态，则进行S3步骤；
S2、关闭或降低移动终端Type-C接口的输出电源；
S3、保持移动终端Type-C接口原有的电源状态。
其进一步技术方案为：判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态的步骤，具体采用传感器检测视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则视音频播放设备处于使用状态，若视音频播放设备不处于佩戴状态，则视音频播放设备处于不使用状态。
其进一步技术方案为：判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态的步骤，还包括以下具体步骤：
S11、判断视音频播放设备电源功耗管理设置是否开启，若视音频播放设备电源功耗管理设置未开启，则进行S3步骤，若视音频播放设备电源功耗设置已开启，则进行S12步骤；
S12、统计视音频播放设备配置无有效视音频信号输入时长；
S13、判断所述无有效视音频信号输入时长是否达到预设置的时间，若所述无有效视音频信号输入时长未达到预设置的时间，则进行S3步骤，若所述无有效视音频信号输入时长已达到预设置的时间，则进行S2步骤；
S14、判断移动终端在配置的时间内是否无触屏操作，若移动终端在配置的时间内无触屏操作，则进行S3步骤，若移动终端在配置的时间内有触屏操作，则进行S2步骤。
其进一步技术方案为：关闭或降低移动终端Type-C接口的输出电源的步骤，具体采用关闭Type-C接口的电源输出或驱动接口进入深度睡眠的低功耗模式。
本发明还提供了用于降低Type-C接口功耗的装置，包括传感器以及视音频播放设备本体，所述视音频播放设备本体设有微控制器、电源管理器、移动终端Type-C接口以及视音频编解码器，所述传感器、电源管理器、移动终端Type-C接口以及视音频编解码器分别与所述微控制器连接；微控制器设有电源管理模块，电源管理模块控制传感器进行检测，微控制器根据检测结果判断连接到移动终端播放的视音频播放设备是否处于佩戴状态，其中，传感器检测视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则微控制器驱动电源管理器保持接口原有的输出电源；若视音频播放设备不处于佩戴状态，则微控制器驱动电源管理器关闭接口的输出电源或者降低接口的输出电源。
本发明还提供了用于降低Type-C接口功耗的系统，包括判断单元以及功耗控制单元；
所述判断单元，用于判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态；
所述功耗控制单元，用于关闭或降低移动终端Type-C接口的输出电源或者保持移动终端Type-C接口原有的电源状态。
其进一步技术方案为：所述判断单元包括检测模块，所述检测模块用于检测连接到移动终端播放的Type-C接口视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则视音频播放设备处于使用状态，若视音频播放设备不处于佩戴状态，则视音频播放设备处于不使用状态。
其进一步技术方案为：所述判断单元还包括设置开启判断模块、统计模块、时长判断模块以及操作判断模块；
所述设置开启判断模块，用于判断连接到移动终端播放的Type-C接口视音频播放设备电源功耗管理设置是否开启；
所述统计模块，用于统计视音频播放设备配置无有效视音频信号输入时长；
所述时长判断模块，用于判断所述无有效视音频信号输入时长是否达到预设置的时间；
所述操作判断模块，用于判断移动终端在配置的时间内是否无触屏操作。。
本发明与现有技术相比的有益效果是：本发明的用于降低Type-C接口功耗的方法，通过传感器和/或视音频播放设备电源功耗设置开启判断、无有效视音频信号输入时长判断以及移动设备在配置时间内无触屏操作判断，获取视音频播放设备是否处于不使用状态，根据获取的结果对应处理接口的输出电源，解决数字音频接口的视音频播放设备在使用时的持续耗电或者不使用时持续消耗手机和移动终端或视音频播放设备本身自带电池的电能问题， 有效延长手机和移动终端的电池续航使用时间，保护手机和移动终端的电池的使用寿命，减少不必要的电能浪费，降低功耗。
下面结合附图和具体实施例对本发明作进一步描述。
附图说明
图1为本发明具体实施例提供的用于降低Type-C接口功耗的方法的流程图；
图2为本发明具体实施例提供的判断视音频播放设备是否处于使用状态的具体流程图；
图3为本发明具体实施例提供的用于降低Type-C接口功耗的结构示意图；
图4为本发明具体实施例提供的用于降低Type-C接口功耗的系统的结构框图；
图5为本发明具体实施例提供的判断单元的结构框图。
具体实施方式
为了更充分理解本发明的技术内容，下面结合具体实施例对本发明的技术方案进一步介绍和说明，但不局限于此。
如图1～5所示的具体实施例，本实施例提供的用于降低Type-C接口功耗的方法，可以运用在Type-C接口连接的视音频播放设备上，实现解决Type-C接口在使用时的持续耗电或者不使用时持续消耗手机或本身自带电池的电能问题，减少不必要的电能浪费，降低功耗。
上述的Type-C接口连接的视音频设备包括但不限于耳机、音箱、视频眼镜，VR头盔等应用Type-C接口的视音频播放及相关的可穿戴设备。
本实施例提供了用于降低Type-C接口功耗的方法，该方法包括：
S1、判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态，若此视音频播放设备处于不使用状态，则进行S2步骤，若此视音频播放设备不处于不使用状态，则进行S3步骤；
S2、关闭或降低移动终端Type-C接口4的输出电源；
S3、保持移动终端Type-C接口4原有的电源状态。
对于S1步骤，判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态的步骤，具体采用传感器1检测视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则视音频播放设备处于使用状态，若视音频播放设备不处于佩戴状态，则视音频播放设备处于不使用状态。此处的移动终端包括手机、平板电脑、便携式音频播放器等具有能够Type-C接口，电池的便携式播放设备。
上述的传感器1采用用于测试身体接近的红外接近传感器1、电容式传感器1、或霍尔传感器、磁感应传感器1、加速度、光敏传感器1、压敏传感器1、血氧检测传感器、心率检测传感器等——作为检测判断是否视音频播放设备已经在人体头部佩戴的传感装置，在佩戴时打开电源，从头部取下不佩戴时智能判断关闭电源。
另外，除了采用传感器1进行检测视音频播放设备是否处于不使用状态，还可以采用以下的方式进行检测，采用两种检测方式，提高检测的准确率，上述的S1步骤、判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态的步骤，还包括以下具体步骤：
S11、判断视音频播放设备电源功耗管理设置是否开启，若视音频播放设备电源功耗管理设置未开启，则进行S3步骤，若视音频播放设备电源功耗设置已开启，则进行S12步骤；
S12、统计视音频播放设备配置无有效视音频信号输入时长；
S13、判断所述无有效视音频信号输入时长是否达到预设置的时间，若所述无有效视音频信号输入时长未达到预设置的时间，则进行S3步骤，若所述无有效视音频信号输入时长已达到预设置的时间，则进行S14步骤；
S14、判断移动终端在配置的时间内是否无触屏操作，若移动终端在配置的时间内无触屏操作，则进行S3步骤，若移动终端在配置的时间内有触屏操作，则进行S2步骤。
对于S11，判断视音频播放设备电源功耗管理设置是否开启，可以通过人为设定开启设置，当然，也可以通过智能语音的方式，开启设置。
上述的S12步骤，统计视音频播放设备配置无有效视音频信号输入时长，无有效视音频输入则代表视音频播放设备并没有数字音频或视频播放或通话或通信，利用检测数字视音频信号的时域、频域变化作为判断的基础，在视音频播放设备中加入DSP音频处理对USB、移动终端Type-C接口4传输入的数据进行监测，如果不是视音频的播放数据，并且在一段时间内没有检测到播放的视音频数据，此时也可以考虑关闭或休眠视音频播放设备，当然，若在使用视音频播放设备通信或通话时，则不进行关闭或休眠视音频播放设备。
上述的S14步骤，判断移动终端在配置的时间内是否无触屏操作，主要是判断是否停止播放视音频或者移动终端长时间未有操作。在移动终端选择配置，并检测用户是否已经停止操作/停止播放视音频软件，此时可以让接在移动终端Type-C接口4的视音频播放设备进入休眠低功耗的状态，或者直接关闭移动终端Type-C接口4的电源。
更进一步的，S2步骤，关闭或降低移动终端Type-C接口4的输出电源的步骤，具体采用关闭数字视音频移动终端Type-C接口4的电源输出或驱动移动终端Type-C接口4进入深度睡眠的低功耗模式。
在关闭数字音频移动终端Type-C接口4的电源输出或驱动移动终端Type-C接口4进入深度睡眠的低功耗模式之后，需要通过手动或者移动终端Type-C接口4重新插拔的方式启动视音频播放设备电源，或者，通过重新播放视音频内容，启动低功耗状态的唤醒。
当然，对于其他实施例，可以利用上述的两种方式结合检测视音频播放设备是否处于不使用状态。
上述的用于降低Type-C接口功耗的方法，通过传感器1和/或视音频播放设备电源功耗设置开启判断、无音频输入时长判断以及移动设备在配置时间内无触屏操作判断，获取视音频播放设备是否处于不使用状态，根据获取的结果对应处理移动终端Type-C接口4的输出电源，解决数字音频接口的视音频播放设备在使用时的持续耗电或者不使用时持续消耗手机和移动终端或视音频播放设备本身自带电池的电能问题， 有效延长手机和移动终端的电池续航使用时间，保护手机和移动终端的电池的使用寿命，减少不必要的电能浪费，降低功耗。
另外，本实施例还提供了用于降低Type-C接口功耗的装置，包括传感器1以及视音频播放设备本体，视音频播放设备本体设有微控制器2、电源管理器3、移动终端Type-C接口4以及视音频编解码器5，传感器1、电源管理器3、移动终端Type-C接口4以及视音频编解码器5分别与微控制器2连接；微控制器2设有电源管理模块，电源管理模块控制传感器进行检测，微控制器2根据检测结果判断连接到移动终端播放的视音频播放设备是否处于佩戴状态，其中，传感器1检测视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则微控制器2驱动电源管理器3保持移动终端Type-C接口4原有的输出电源；若视音频播放设备不处于佩戴状态，则微控制器2驱动电源管理器3关闭移动终端Type-C接口4的输出电源或者降低移动终端Type-C接口4的输出电源。
上述的传感器1采用用于测试身体接近的红外接近传感器1、电容式传感器1、或霍尔传感器、磁感应传感器1、加速度、光敏传感器1、压敏传感器1、血氧检测传感器、心率检测传感器等——作为检测判断是否视音频播放设备已经在人体头部佩戴的传感装置，在佩戴时打开电源，从头部取下不佩戴时智能判断关闭电源。
于其他实施例，上述的Type-C接口4的视音频播放设备上可以设有磁性开关或霍尔开关，且视音频播放设备设有盖子，盖子内也设有磁性物质，当盖子盖合在视音频播放设备上时，磁性或霍尔开关改变原有状态（如从打开转换成关闭，或者从关闭转换成打开），则改变Type-C接口4电源状态（由原先的电源工作转换成关闭电源，或者由原先的电源关闭转换成电源打开）；当于其他实施例，当Type-C接口的视音频播放设备由两个对称的设备构成时，则在这两个设备中设置磁性霍尔开关或磁性、霍尔传感器，两个设备粘合或者分开时，由磁性霍尔开关的开关状态对应更换Type-C接口4电源状态，如对称布置的两个耳机构成的Type-C接口的视音频播放设备，当两个耳机粘合时，则Type-C接口4电源关闭，当两个耳机分开时，则Type-C接口4电源保持原有状态。
上述的用于降低Type-C接口功耗的装置，通过采用传感器1检测视音频播放设备是否处于不使用状态，解决Type-C接口的视音频播放设备在使用时的持续耗电或者不使用时持续消耗手机或本身自带电池的电能问题， 有效延长移动终端的电池续航使用时间，保护移动终端的电池的使用寿命，减少不必要的电能浪费，降低功耗。
更进一步的，本实施例还提供了用于降低Type-C接口功耗的系统，包括判断单元10以及功耗控制单元20。
判断单元10，用于判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态。
功耗控制单元20，用于关闭或降低移动终端Type-C接口4的输出电源或者保持移动终端Type-C接口4原有的电源状态。
上述的功耗控制单元20主要是由移动终端Type-C接口4、通信接口、电源功耗控制电路接口等硬件接口的驱动以及通信控制模块组成，实现诸如：音视频数模转换器的配置、传感器1采样功能设置控制、移动终端电源管理开关、休眠唤醒等功能。通信控制模块包括移动终端和数字视音频播放设备之间通信协议的实现，实现诸如：音量调节控制、播放和通话切换、视频分辨率切换、视音频频数据收发、控制数据收发等功能。
当功耗控制单元20关闭或降低移动终端Type-C接口4的输出电源时，具体采用关闭移动终端Type-C接口4的电源输出或驱动移动终端Type-C接口4进入深度睡眠的低功耗模式，在关闭移动终端Type-C接口4的电源输出或驱动移动终端Type-C接口4进入深度睡眠的低功耗模式之后，需要通过手动或者移动终端Type-C接口4重新插拔的方式启动视音频播放设备电源，或者，通过重新播放视音频内容，启动低功耗状态的唤醒。
上述的判断单元10包括检测模块11，检测模块11用于检测连接到移动终端播放的视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则视音频播放设备处于使用状态，若视音频播放设备不处于佩戴状态，则视音频播放设备处于不使用状态。
上述的检测模块11可以采用用于测试身体接近的红外接近传感器1、电容式传感器1、或霍尔传感器、磁感应传感器1、加速度、光敏传感器1、压敏传感器1、血氧检测传感器、心率检测传感器等——作为检测判断是否视音频播放设备已经在人体头部佩戴的传感装置，在佩戴时打开电源，从头部取下不佩戴时智能判断关闭电源。
除了采用传感器1进行检测，还可以采用以下的模块进行检测，判断单元10还包括设置开启判断模块12、统计模块13、时长判断模块14以及操作判断模块15。
设置开启判断模块12，用于判断移动终端播放的Type-C接口视音频播放设备电源功耗管理设置是否开启。
统计模块13，用于统计视音频播放设备配置无有效视音频信号输入时长。
时长判断模块14，用于判断所述无有效视音频信号输入时长是否达到预设置的时间。
操作判断模块15，用于判断移动终端在配置的时间内是否无触屏操作。
统计模块13在统计时长以及时长判断模块14在判断时长时，利用检测数字视音频信号的时域、频域变化作为判断的基础，在视音频播放设备中加入DSP视音频处理对USB、移动终端Type-C接口4传输入的数据进行监测，如果不是有效的视音频的播放数据，并且在一段时间内没有检测到播放的有效的视音频数据，此时也可以考虑关闭或休眠视音频播放设备，当然，若在使用视音频播放设备通话或视频通信时，则不进行关闭或休眠视音频播放设备。
另外，于其他实施例，上述的用于降低数字音频接口视音频播放设备功耗的系统还包括视音频播放单元，视音频播放单元在移动终端、便携式播放器、笔记本电脑等具有移动终端Type-C接口4设备上安装运行，用于播放在线视音频、或本地视音频内容的软件，功能主要完成：视音频内容的通信获取和认证等、解码播放、视音频流的获取缓存。
于其他实施例，上述的用于降低数字视音频接口视音频播放设备功耗的系统还包括功耗控制电路单元包括微控制器2、传感器1、移动终端Type-C接口4、采集控制电路、视音频播放设备解码及驱动电路、电源管理低功耗控制电路，实现采集传感器1信息，根据配置的条件进行判断，由功耗控制单元20来控制功耗控制电路单元，实现最终的系统功耗合理降低。
上述的用于降低Type-C接口功耗的系统，通过判断单元10获取视音频播放设备是否处于不使用状态，根据获取的结果采用功耗控制单元20对应处理移动终端Type-C接口4的输出电源，解决Type-C接口视音频播放设备在使用时的持续耗电或者不使用时持续消耗手机和移动终端或视音频播放设备本身自带电池的电能问题， 有效延长手机和移动终端的电池续航使用时间，保护手机和移动终端的电池的使用寿命，减少不必要的电能浪费，降低功耗。
上述仅以实施例来进一步说明本发明的技术内容，以便于读者更容易理解，但不代表本发明的实施方式仅限于此，任何依本发明所做的技术延伸或再创造，均受本发明的保护。本发明的保护范围以权利要求书为准。

Claims (8)

  1. 用于降低Type-C接口功耗的方法，其特征在于，所述方法包括：
    S1、判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态，若此视音频播放设备处于不使用状态，则进行S2步骤，若此视音频播放设备不处于不使用状态，则进行S3步骤；
    S2、关闭或降低移动终端Type-C接口的输出电源；
    S3、保持移动终端Type-C接口原有的电源状态。
  2. 根据权利要求1所述的用于降低Type-C接口功耗的方法，其特征在于，判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态的步骤，具体采用传感器检测视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则视音频播放设备处于使用状态，若视音频播放设备不处于佩戴状态，则视音频播放设备处于不使用状态。
  3. 根据权利要求1或2所述的用于降低Type-C接口功耗的方法，其特征在于，判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态的步骤，还包括以下具体步骤：
    S11、判断视音频播放设备电源功耗管理设置是否开启，若视音频播放设备电源功耗管理设置未开启，则进行S3步骤，若视音频播放设备电源功耗设置已开启，则进行S12步骤；
    S12、统计视音频播放设备配置无有效视音频信号输入时长；
    S13、判断所述无有效视音频信号输入时长是否达到预设置的时间，若所述无有效视音频信号输入时长未达到预设置的时间，则进行S3步骤，若所述无有效视音频信号输入时长已达到预设置的时间，则进行S2步骤；
    S14、判断移动终端在配置的时间内是否无触屏操作，若移动终端在配置的时间内无触屏操作，则进行S3步骤，若移动终端在配置的时间内有触屏操作，则进行S2步骤。
  4. 根据权利要求3所述的用于降低Type-C接口功耗的方法，其特征在于，关闭或降低移动终端Type-C接口的输出电源的步骤，具体采用关闭Type-C接口的电源输出或驱动接口进入深度睡眠的低功耗模式。
  5. 用于降低Type-C接口功耗的装置，其特征在于，包括传感器以及视音频播放设备本体，所述视音频播放设备本体设有微控制器、电源管理器、移动终端Type-C接口以及视音频编解码器，所述传感器、电源管理器、移动终端Type-C接口以及视音频编解码器分别与所述微控制器连接；微控制器设有电源管理模块，电源管理模块控制传感器进行检测，微控制器根据检测结果判断连接到移动终端播放的视音频播放设备是否处于佩戴状态，其中，传感器检测视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则微控制器驱动电源管理器保持接口原有的输出电源；若视音频播放设备不处于佩戴状态，则微控制器驱动电源管理器关闭接口的输出电源或者降低接口的输出电源。
  6. 用于降低Type-C接口功耗的系统，其特征在于，包括判断单元以及功耗控制单元；
    所述判断单元，用于判断连接到移动终端播放的Type-C接口视音频播放设备是否处于不使用状态；
    所述功耗控制单元，用于关闭或降低移动终端Type-C接口的输出电源或者保持移动终端Type-C接口原有的电源状态。
  7. 根据权利要求6所述的用于降低Type-C接口功耗的系统，其特征在于，所述判断单元包括检测模块，所述检测模块用于检测连接到移动终端播放的Type-C接口视音频播放设备是否处于佩戴状态，若视音频播放设备处于佩戴状态，则视音频播放设备处于使用状态，若视音频播放设备不处于佩戴状态，则视音频播放设备处于不使用状态。
  8. 根据权利要求7所述的用于降低Type-C接口功耗的系统，其特征在于，所述判断单元还包括设置开启判断模块、统计模块、时长判断模块以及操作判断模块；
    所述设置开启判断模块，用于判断连接到移动终端播放的Type-C接口视音频播放设备电源功耗管理设置是否开启；
    所述统计模块，用于统计视音频播放设备配置无有效视音频信号输入时长；
    所述时长判断模块，用于判断所述无有效视音频信号输入时长是否达到预设置的时间；
    所述操作判断模块，用于判断移动终端在配置的时间内是否无触屏操作。
PCT/CN2017/102332 2017-04-21 2017-09-19 用于降低Type-C接口功耗的方法及装置和系统 Ceased WO2018192164A1 (zh)

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