KR20110065127A - Time display device and method of video conference system - Google Patents

Abstract

The present invention relates to a time display apparatus and method for a video conference system capable of detecting a current time of an area where a counterpart video conference terminal is located. An apparatus for displaying a time of a video conference system according to embodiments of the present invention may include: a controller configured to detect a time of an area where the counterpart video conference terminal is located based on an identifier corresponding to the counterpart video conference terminal; And a display unit for displaying the detected time.

Description

Time display device of video conferencing system and its method {TIME DISPLAY APPARATUS FOR VIDEO CONFERENCE SYSTEM AND METHOD THEREOF}

The present invention relates to a time display apparatus and method thereof of a video conference system.

In general, a video conferencing system receives a video and audio input from a plurality of terminals at a gateway or the like and transmits or relays the input video and audio to different terminals so that each user who uses the plurality of terminals faces the other party's face. It is a two-way communication system that exchanges information with each other while looking at.

An object of the present invention is to provide a time display apparatus and method for a video conference system capable of detecting a current time (local time) of an area where a counterpart video conference terminal is located.

According to an aspect of the present invention, there is provided a time display apparatus of a videoconferencing system, comprising: a controller configured to detect a time of an area where the counterpart videoconferencing terminal is located based on an identifier corresponding to the counterpart videoconferencing terminal; And a display unit for displaying the detected time.

A time display method of a video conferencing system according to the present invention for achieving the above objects comprises the steps of: detecting an area where the counterpart video conferencing terminal is located based on an identifier corresponding to the counterpart video conferencing terminal; Detecting a time of the detected area; And displaying the detected time on the display unit.

An apparatus and method for displaying time in a videoconferencing system according to embodiments of the present invention may detect a time of an area where the counterpart videoconferencing terminal is located based on an identifier corresponding to the counterpart videoconferencing terminal, and detect the detected time. By displaying, it is possible to detect the current time of the area where the counterpart video conferencing terminal is located.

The apparatus and method for displaying a time of a videoconferencing system according to embodiments of the present invention can easily determine whether the current time is a time zone in which the other party is inconvenient to video conference by intuitively checking the current time of the other party. There is also an effect.

Hereinafter, the current time of the area where the other party's video conference terminal is located may be detected by detecting the time of the area where the other party's video conference terminal is located based on the identifier corresponding to the other party's video conference terminal and displaying the detected time. Preferred embodiments of the time display apparatus and method of the video conferencing system according to the present invention are described with reference to FIGS.

1 and 2 are schematic diagrams showing the configuration of a video conferencing system 100 for explaining a video conferencing system according to an embodiment of the present invention.

As shown in FIG. 1, the video conferencing system 100 includes a plurality of video conferencing terminals 200 and a communication network 300 that connects the plurality of video conferencing terminals 200 in a wired / wireless communication manner. .

As shown in FIG. 2, the video conference terminal 200 includes a communication unit 201, an input unit 202, a storage unit 203, a control unit 204, a display unit 205, and an audio output unit 206. It is made, including. Not all components of the video conferencing terminal 200 shown in FIG. 2 are essential components, and the video conferencing terminal 200 may be implemented by more components than those shown in FIG. The video conferencing terminal 200 may also be implemented by components.

The video conferencing terminal 200 transmits / receives video and / or audio data, a control signal, and the like to at least one video conferencing terminal included in the video conferencing system 100 by a predetermined communication protocol.

The plurality of video conferencing terminals 200 included in the video conferencing system 100 may be terminals using a homogeneous protocol or may be configured of terminals using a heterogeneous protocol.

The plurality of video conferencing terminals 200 included in the video conferencing system 100 may include a multi-party video conferencing recommendation (including H.323) of an ITU Telecommunication Standardization Sector (ITU-T) and an Internet Engineering Task Force (IETF). Designed to comply with recommendations (including Session Initiation Protocol (SIP), etc.), jointly proposed by ITU-T and IETF (including MEGACO (Media Gateway Control), H.248, etc.), or MGCP (Media Gateway Control Protocol). Video conferencing is possible regardless of the terminal type.

The video conferencing terminal 200 includes a video conferencing terminal, a smart phone, a portable terminal, a mobile terminal, a personal digital assistant (PDA), a notebook computer, and a WiBro. (Wibro) terminal, IPTV (Internet Protocol Television), Telematics terminal and the like.

The communication unit 201 transmits and receives audio and video data between the video conference terminal 200 and any external video conference terminal.

The communication unit 201 may be a wired or wireless communication between a plurality of video conferencing terminals 200 included in the video conferencing system 100 or between the video conferencing terminal 200 and a network where the video conferencing terminal 200 is located. It may include one or more components for performing wired / wireless communication.

The communication unit 201 communicates with an external terminal through the communication network 300 based on a unique IP address preset in the video conference terminal 200 (or randomly set).

The communication unit 201 transmits and receives a wireless signal with at least one of a base station, an external terminal (including a video conference terminal, a mobile terminal, and the like) and a server on the communication network 300. The wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call signal, and / or a text / multimedia message.

The communication unit 201 may include a module for wireless Internet access or a module for short range communication. Here, wireless Internet technologies include WLAN (Wireless LAN), Wi-Fi, WiBro, WiMAX, World Interoperability for Microwave Access (Wimax), HSDPA (High Speed Downlink Packet Access), and the like. In addition, as a short-range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, etc. may be used. .

The input unit 202 generates input data for the user to control the operation of the video conference terminal 200.

The input unit 202 receives a command or control signal by an operation such as receiving a button operation by a user or touching / scrolling a displayed screen.

The input unit 202 may be a key pad, a dome switch, a touch pad (static pressure / capacitance), a touch screen, a jog wheel, a jog switch, a jog shuttle, or the like. Can be configured.

The input unit 202 may include at least one microphone (not shown), a camera (not shown), or the like for receiving an audio signal or a video signal. The microphone receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, a video conference mode, and processes the external sound signal into electrical voice data. In addition, the processed voice data may be output through the voice output unit 206 or converted into a form transmittable to an external terminal through the communication unit 201. In addition, the microphone may be implemented with various noise removal algorithms for removing noise generated in the process of receiving an external sound signal.

Further, the camera processes image frames such as still images or moving images obtained by the image sensor in a video call mode, a shooting mode, a video conference mode, and the like. That is, the corresponding image data obtained by the image sensor is decoded in accordance with each standard according to a codec. The processed image frame may be displayed on the display unit 205 under the control of the controller 204. The image frame processed by the camera may be stored in the storage unit 203 or transmitted to the outside (including any video conference terminal included in the video conference system) through the communication unit 201.

The storage unit 203 may store a program for processing and controlling the control unit 204 and input / output data (for example, a phone book, a message, a still image, a video, audio data, etc.). You can also perform a function for temporary storage of.

The storage unit 203 may store data regarding vibration and sound of various patterns output when a touch input on the touch screen is performed.

The storage unit 203 may include a flash memory type, a hard disk type, a multimedia card micro type, and a card type memory (eg, SD or XD memory). Etc.), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EPEROM), programmable read-only memory (PROM), It may include at least one storage medium of a magnetic memory, a magnetic disk, and an optical disk.

The storage unit 203 stores data and programs necessary for operating the video conference terminal 200 and / or the video conference system.

The storage unit 203 stores various user interfaces (UIs) and / or graphical user interfaces (GUIs).

The storage unit 203 may include video codec setting information (including video / audio / codec setting information) of a corresponding terminal, call standard setting information (H.323, SIP, MGCP, and INAP (Intelligent Network Application Protocol). , ISUP (ISUP, ISDN user part), TCAP (transmission control application part), MEGACO, H.248, V.35 / RS-449 / RS-530 configuration information, International Services Digital Network (ISDN), call preference information Network configuration information (including Network Address Translation (NAT), Domain Name Service (DNS), IP address, QoS information, streaming information, Simple Network Management Protocol (SNMP), etc.), Various management information including security setting information (including firewall setting information and the like) is stored.

The storage unit 203 may include sharing information on at least one or more application programs provided in the video conferencing terminal 200, setting menu information (or sharing information) about at least one or more files related to the application program, and Stores shared information about any file.

The storage unit 203 may store sharing information of an external terminal transmitted from any external terminal under control of the control unit 204.

The controller 204 controls the overall operation of the video conference terminal 200. For example, the control unit 204 performs related control and processing for voice call, data communication, video call, video conference, and the like.

The controller 204 may include a multimedia module (not shown) for multimedia playback. The multimedia module may be implemented in the controller 204 or may be implemented separately from the controller 204.

The controller 204 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on a touch screen as text and an image, respectively.

The controller 204 generates a message for transmitting management information of a corresponding terminal to an arbitrary (or specific) video conference terminal externally connected through the communication network 300, and generates the generated management information transmission request message. Is transmitted to any external video conferencing terminal via the communication network (300).

The control unit 204 is the video conferencing terminal 200 and at least one or more routers included in the communication network 300 to connect between at least one external (or specific) video conferencing terminal, the video For a router closest to the conference terminal 200 (or any router that stores management information of the at least one external video conference terminal), a message for transmitting management information of the terminal is generated, and The generated management information transmission request message is transmitted to the router closest to the video conference terminal 200.

The controller 204 controls the storage unit 203 to store management information transmitted from any external video conference terminal or management information transmitted from a router closest to the video conference terminal 200. .

The controller 204 parses management information transmitted from any external video conference terminal or management information transmitted from a router closest to the video conference terminal 200, and parses the management information. The display unit 205 controls the display unit 205 to display information including at least one video codec setting information, call standard setting information, network setting information, and security setting information.

The control unit 204 resets the management information displayed on the display unit 205 based on the input value input from the input unit 202 under the control of the user.

The control unit 204 stores the reset management information in the storage unit 203.

The controller 204 transmits the reset management information to the external video conferencing terminal and / or the router closest to the video conferencing terminal 200 through the communication network 300.

When the controller 204 receives the management information transmission request message of the video conference terminal 200 from any external video conference terminal, the video conference terminal 200 previously stored in the storage unit 203. Management information is transmitted to any external video conferencing terminal.

When the control unit 204 receives the reset management information from any external video conference terminal, the control unit 204 resets (or stores) the management information previously stored in the storage unit 203 based on the received reset management information. , Update).

When the control unit 204 receives the management information transmission request message of the video conference terminal 200 from the router closest to the video conference terminal 200, the video conference terminal previously stored in the storage unit 203. The management information of 200 is transmitted to the router closest to the video conference terminal 200.

When the control unit 204 receives the reset management information from the router closest to the video conferencing terminal 200, the control unit 204 is pre-stored in the storage unit 203 based on the received reset management information. Reset the information.

The controller 204, when the video conferencing system is operating at least one or more external terminals included in the video conferencing system, the display unit by processing a predetermined signal to the video and / or audio information transmitted from the external terminal 205 and / or the audio output unit 206.

The control unit 204 processes a predetermined signal and / or audio information input through the input unit 202 when the video conferencing system is operating with at least one external terminal included in the video conferencing system. Thereby transmitting the signal-processed video and / or audio information to at least one video conferencing terminal connected to the video conferencing system via the communication network 300. In addition, the controller 204 may output the signal-processed image and / or audio information to the display unit 205 and / or the audio output unit 206.

The controller 204 may be configured to include a specific program (application program, a file associated with the corresponding application program) included in the arbitrary video conference terminal with respect to any (or specific) video conference terminal connected to the video conference system 100. Generating a message for requesting sharing information of an arbitrary file, etc.) and transmitting the generated sharing information transmission request message (or a setting menu information transmission request message) to the arbitrary video conference terminal through the communication network 300. send.

The controller 204 outputs, through the display unit 205 and / or the voice output unit 206, the shared information transmitted from the video conferencing terminal in response to the sharing information transmission request message. The shared information is reset based on an input value input from the user through 202 and stored in the storage unit 203.

The control unit 204 transmits the reset sharing information to the arbitrary video conference terminal.

When the control unit 204 receives a transmission request message for shared information previously stored in the storage unit 203 from an arbitrary (or specific) video conference terminal connected to the video conference system 100, the storage unit 204 stores the transmission request message. The shared information previously stored in the unit 203 is transmitted to the arbitrary video conference terminal.

The control unit 204 receives the reset sharing information from the arbitrary video conferencing terminal, and stores the received reset sharing information in the storage unit 203. In this case, the storage unit 203 may update pre-stored shared information with the received reset shared information or store the received reset shared information separately from the pre-stored shared information.

The controller 204 executes a specific application or file included in the video conferencing terminal 200 based on the received reset sharing information, and displays the display unit 205 and / or the audio output unit 206. You can also control the output via). Here, the control unit 204 executes a specific application program or file included in the video conferencing terminal 200 on the basis of the sharing information previously stored in the storage unit 203, and the display unit 205 and / or The voice output unit 206 may control the output.

The display unit 205 outputs image information included in a signal subjected to predetermined signal processing under the control of the control unit 204.

The display unit 205 displays management information including at least one video codec setting information, call standard setting information, network setting information, and security setting information output by the control unit 204. Here, the display unit 205 may be configured to receive an input from a user by using a touch screen method.

When displaying the management information, the display unit 205 may display various contents such as various menu screens by using a user interface and / or a graphic user interface previously stored in the storage unit 203. Here, the content displayed on the display unit 205 includes a menu screen including various text or image data and data such as icons, list menus, combo boxes, and the like.

The display unit 205 may include a liquid crystal display (LCD), a thin film transistor liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display ( It may include at least one of a flexible display, a 3D display.

The display unit 205 may include a haptic module (not shown). The haptic module generates various tactile effects that a user can feel. Vibration is a representative example of the haptic effect generated by the haptic module. The intensity and pattern of vibration generated by the haptic module can be controlled. For example, different vibrations may be synthesized and output or may be sequentially output.

In addition to vibration, the haptic module may be effected by stimulation such as pin arrangement vertically moving with respect to the contact skin surface, jetting force or suction force of air through the injection or inlet, grazing to the skin surface, contact of the electrode, electrostatic force, and the like. And a variety of tactile effects such as an effect of reproducing a sense of cold using a heat absorbing or heat generating element.

The haptic module may not only deliver the haptic effect through direct contact, but may also be implemented to allow the user to feel the haptic effect through a muscle sense such as a finger or an arm. In addition, the haptic module may be provided with at least one, depending on the configuration of the video conferencing terminal 200.

The voice output unit 206 outputs voice information included in a signal subjected to predetermined signal processing by the control unit 204. Here, the voice output unit 206 may be a speaker.

The audio output unit 206 outputs audio data received from the communication unit 201 or stored in the storage unit 203 in a video conference mode, a call mode, a recording mode, and the like.

The video conferencing terminal 200 may further include an interface unit (not shown) which serves as an interface with all external devices connected to the video conferencing terminal 200. For example, the interface unit includes a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device equipped with an identification module, and audio I / O. (Input / Output) port, video I / O (Input / Output) port, earphone port, and the like. Here, the identification module is a chip that stores various information for authenticating the use right of the video conferencing terminal 200, and includes a user identification module (UIM), a subscriber identify module (SIM), and a general user. It may include an authentication module (Universal Subscriber Identity Module (USIM)). In addition, the device equipped with the identification module may be manufactured in the form of a smart card. Accordingly, the identification module may be connected to the video conference terminal 200 through a port. Such an interface unit may receive data from an external device or receive power to transfer the data to each component inside the video conferencing terminal 200 or to transmit data inside the video conferencing terminal 200 to an external device.

The interface unit may be a passage through which power from the cradle is supplied to the video conferencing terminal 200 when the video conferencing terminal 200 is connected to an external cradle, or various command signals input from the cradle by a user. May be a passage delivered to the video conference terminal 200. Various command signals or power input from the cradle may be operated as signals for recognizing that the video conferencing terminal 200 is correctly mounted on the cradle.

The communication network 300 connects the plurality of video conference terminals 200 to each other.

The communication network 300 includes a bridge, a gateway, a router, a hub, and the like.

The router includes management information of each of a plurality of video conferencing terminals connected through the communication network 300. That is, it includes management information including video codec setting information, call standard setting information, network setting information, and security setting information of each of the plurality of video conference terminals connected through the communication network 300.

When the router receives a management information transmission request message from any video conference terminal 200 connected to the video conference system 100, the router transmits management information previously stored in the router to the video conference terminal 200. do.

When the router receives the reset management information from any video conference terminal 200 connected to the video conferencing system 100, the router updates the management information previously stored in the router to the received reset management information, The received reset management information is transmitted to a specific video conference terminal (specific video conference terminal except the arbitrary video conference terminal) connected to the video conference system 100.

Hereinafter, the time of the video conference system (relative current time) that the user can intuitively check the current time of the other party according to an embodiment of the present invention to easily determine whether the current time is a time zone where the other party is inconvenient to video conference. A display device and a method thereof will be described with reference to FIG. 3.

3 is a block diagram illustrating a video conference system to which a time display device according to an embodiment of the present invention is applied.

As shown in Fig. 3, the video conferencing system to which the time display device according to the first embodiment of the present invention is applied photographs a subject (a user image or a video conference person) and corresponds to the captured image (a body image). A camera 301 for outputting a video signal; A terminal (for example, a notebook, desktop computer, etc.) 302 for transmitting contents or a message; A microphone 303 for outputting an audio signal of a video conference person; A video coding unit (304) for encoding the video signal; A content coding unit 305 for encoding the contents or the message; An audio coding unit (306) for encoding the speech signal; And a controller 308 which merges the encoded video signal, the contents or message, and a voice signal, and transmits the merged data to a counterpart (video conferencing terminal) through a network. .

The controller 308 detects an area (region information) where the counterpart video conference terminal is located when an IP address corresponding to the counterpart video conference terminal is input to a call waiting window, and detects the detected area information. On the basis of this, the current time of the area is detected, and the detected current time is displayed on the call waiting window.

Therefore, the time display device and method of the video conferencing system according to the embodiments of the present invention can easily determine whether or not the current time is a time zone in which the other party is inconvenient to video conference by the user intuitively checking the current time of the other party. Can be.

Hereinafter, an operation of a video conference system to which a time display device according to embodiments of the present invention is applied will be described with reference to FIG. 3.

First, the camera 301 photographs a video conference person and transmits a video signal corresponding to the captured image to the video coding unit 304.

The video coding unit 304 receives a video signal from the camera 301, encodes the received video signal, and outputs the encoded data (video signal) to the controller 308.

The terminal (e.g., laptop, desktop computer, etc.) 302 recalls a content (e.g., video conference data, presentation material) stored in an internal storage (not shown) or a real time message input by a user. It transmits to the content coding unit 305.

 The content coding unit 305 receives the real-time message input by the content or the user from the terminal 302, encodes the received content or the real-time message input by the user, and encodes the encoded data ( Content or a real-time message input by a user) is output to the controller 308.

The microphone 303 outputs a video conferencing person's audio signal to the audio coding unit 306. At this time, the audio coding unit 306 encodes a voice signal, and outputs the encoded data (voice signal) to the controller 308.

The controller 308 merges the encoded video signal, the contents or message, and a voice signal, and transmits the merged data to a counterpart (video conferencing terminal) through a network. In this case, the controller 308 selectively shares the contents or the message. For example, the controller 308 selectively transmits the contents or a message only to a selected video conference terminal according to a user's request.

Therefore, the video conferencing system according to the first embodiment of the present invention can conduct a meeting even when people in distant areas are not together, and can share document contents by sharing a document (content) or the like if necessary. At this time, by sharing only the necessary people when the document is shared, by adjusting the needs through a message it is possible to proceed more quickly to make important decisions.

Hereinafter, a method of processing a video signal and / or content (or message) transmitted from the other party will be described with reference to FIG. 3.

First, the controller 308 receives encoded data (video signals and / or content (or messages)) over a network, and encodes the received data via a data bus (eg, an AVC bus). It outputs to the part 304, the content coding part 305, and the audio coding part 306, respectively.

The video coding unit 304 extracts a video signal from the data received from the control unit 308, decodes the extracted video signal, and outputs the decoded video signal to the video output unit 307.

The video output unit 307 may display any one or more of an image corresponding to a video signal of a user, an image corresponding to a video signal of a counterpart, picture of picture (PIP) data in which a user image and a counterpart image are merged. Output to 310.

The content coding unit 305 extracts a content (or message) from the data received from the control unit 308, decodes the extracted content, and outputs the decoded content to the video output unit 307.

The video output unit 307 receives the content and outputs the received counterpart content or the content of the user to the second display unit 311. Here, the video output unit 307 may merge the content with the counterpart image or the user image, and output the merged data to the first display unit 310 or the second display unit 311.

The audio coding unit 306 extracts an audio signal from the data received from the control unit 308, decodes the extracted audio signal, and outputs the decoded audio signal to the audio output unit 309. In this case, the audio output unit 309 outputs the decoded audio signal as a voice through a voice output unit (for example, a speaker) 312.

The video coding unit 304 may further include an inner multi control unit (Inner MCU) (not shown). For example, the multi-controller merges PIP (Picture In Picture) data (user image and counterpart image) output to the video output unit 307 when the counterpart video conferencing terminal has no function of merging data. PIP data) and / or data obtained by merging the content with the counterpart image or the user image, and output the encoded data to the controller 308. In this case, the controller 308 transmits the encoded merged data to the counterpart video conferencing terminal through a network, so that the counterpart can easily share the merged data without a function of merging the data.

Hereinafter, the time display method according to the first embodiment of the present invention will be described with reference to FIGS.

4 is a flowchart illustrating a time display method of a video conference system according to a first embodiment of the present invention.

First, when the call mode is selected by the user, the controller 308 displays a call waiting window on the first or second display units 310 and 311.

The controller 308 determines whether an identifier (for example, an IP address or a phone number) of a counterpart video conferencing terminal (VCS terminal) is input by the user in the call waiting window (S11). Here, when the telephone number of the counterpart video conferencing terminal (VCS terminal) is input by the user in the call waiting window, the controller 308 corresponds to the telephone number based on the country code and area code of the input telephone number. Detect a region (region information) to be detected, and detect the current time (local time) of the region where the counterpart video conferencing terminal (VCS terminal) is located based on the detected region information, and detect the current time (local time). Is displayed in the call waiting window.

The controller 308 inputs an identifier (for example, an IP address or a phone number) of the other party's video conference terminal (VCS terminal) to the other party's video conference terminal through a ping. Request the current time (S12). The Ping (Packet Internet Groper, PING) is used to verify that the address can respond to the address of a particular Internet host. In addition, the PING requests the current time information from the counterpart video conferencing terminal corresponding to the IP address, and transmits the requested current time information to the controller 308 through a communication network.

The controller 308 receives the current time information of the counterpart video conference terminal transmitted through the PING (S13), and displays the received current time information on the call waiting window (S14).

Thereafter, the controller 308 determines whether the video call key is selected by the user (S15), and performs the video call (video conference) when the video call key is selected by the user (S16).

5 is an exemplary view showing a call waiting window according to a first embodiment of the present invention.

As shown in FIG. 5, when the IP address is input to the IP address input window 501 of the call waiting window, the controller 308 receives the current time (date and date) from the counterpart video conference terminal corresponding to the IP address through the PING. Time), and displays the received current time on the time display window 502 of the call waiting window.

On the other hand, when the region name is input to the region information input window 503 of the call waiting window, the controller 308 detects a current time corresponding to the input region name, and uses the detected current time as the time of the call waiting window. It may be displayed on the display window 502.

Therefore, the time display apparatus and the method according to the first embodiment of the present invention can detect the current time of the area where the counterpart video conferencing terminal is located by using the IP address or phone number of the counterpart video conferencing terminal.

Hereinafter, a time display method according to a second embodiment of the present invention will be described with reference to FIGS. 3 and 5 to 7.

6 is a flowchart illustrating a time display method of a video conference system according to a second embodiment of the present invention.

First, when the call mode is selected by the user, the controller 308 displays a call waiting window on the first or second display units 310 and 311.

The controller 308 determines whether an identifier (eg, an IP address) of a counterpart video conferencing terminal (VCS terminal) is input by the user in the call waiting window (S21).

The control unit 308, if an identifier (for example, an IP address) of a counterpart video conferencing terminal (VCS terminal) is input by the user in the call waiting window, the controller 308 transmits the data from the user video conferencing terminal through a traceroute program. The final router connected to the counterpart videoconferencing terminal is detected among a plurality of routers existing on the communication path to the counterpart videoconferencing terminal, and the regional router of the final router is requested (S22). For example, the control unit 308 detects the last router (router closest to the other party's video conferencing terminal) among a plurality of routers existing on a communication path from the user video conference terminal to the counterpart video conference terminal. Request local information from the last router detected. Here, the router includes region information of the region where it is located. The traceroute program is a program for examining a route for delivering a network packet from a user video conference terminal to a specific host (party video conference terminal), and from the user video conference terminal to a specific host (party video conference terminal). Information about all the routers (including regional information) passing in the middle may be transmitted to the controller 308.

The controller 308 receives region information from the last router (S23), and detects the current time (local time) of the region where the counterpart video conferencing terminal exists based on the region information of the last router (prediction). (S24)

The controller 308 displays the detected current time information on the call waiting window (S25).

Thereafter, the controller 308 determines whether the video call key is selected by the user (S26), and performs the video call (video conferencing) when the video call key is selected by the user (S27).

7 is an exemplary diagram illustrating a method of receiving region information from a final router according to a second embodiment of the present invention.

As shown in FIG. 7, when the IP address of the counterpart video conferencing terminal (VCS terminal) 702 is input by the user in the call waiting window, the controller 308 receives the user image through a traceroute program. Detecting a final router 704 connected to the counterpart video conferencing terminal 702 among a plurality of routers 703 and 704 existing on a communication path from the conference terminal 701 to the counterpart video conferencing terminal 702, The regional router 704 requests regional information of the final router 704. For example, the controller 308 may be configured to connect to the final router 702 (the other video conferencing terminal) among a plurality of routers existing on the communication path from the user video conferencing terminal 701 to the counterpart video conferencing terminal 702. The nearest router), and requests local information from the last router 704 detected. That is, the controller 308 predicts the region where the counterpart video conferencing terminal 702 is located based on the region information of the last router 704, and detects the current time of the predicted region.

Therefore, the time display apparatus and the method according to the second embodiment of the present invention can detect the current time of the area where the counterpart video conferencing terminal is located by using the IP address or phone number of the counterpart video conferencing terminal.

As described above, the time display apparatus and method of the video conferencing system according to the embodiments of the present invention, by using the IP address or telephone number of the other party video conferencing terminal, the current time of the area where the other party video conferencing terminal is located; Can be detected.

The apparatus and method for displaying a time of a videoconferencing system according to embodiments of the present invention can easily determine whether the current time is a time zone in which the other party is inconvenient to video conference by intuitively checking the current time of the other party. There is also an effect.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

1 and 2 are diagrams showing the configuration of a schematic video conference system for explaining a video conference system according to an embodiment of the present invention.

3 is a block diagram illustrating a video conference system to which a time display device according to an embodiment of the present invention is applied.

4 is a flowchart illustrating a time display method of a video conference system according to a first embodiment of the present invention.

5 is an exemplary view showing a call waiting window according to a first embodiment of the present invention.

6 is a flowchart illustrating a time display method of a video conference system according to a second embodiment of the present invention.

7 is an exemplary diagram illustrating a method of receiving region information from a final router according to a second embodiment of the present invention.

* Explanation of symbols on the main parts of the drawings

301: camera 302: terminal

303: microphone 304: video coding unit

305: content coding unit 306: audio coding unit

307: video output unit 308: control unit

309: Audio output unit 310: First display unit

311: second display unit 312: audio output unit

Claims (16)

A controller configured to detect a time of an area where the counterpart video conference terminal is located based on an identifier corresponding to the counterpart video conference terminal; And a display unit for displaying the detected time. The method of claim 1, wherein the identifier is Time display device of a video conference system, characterized in that the IP address or telephone number. The method of claim 1, wherein the control unit, Time of the video conferencing system, characterized by requesting the counterpart video conferencing terminal the local time of the region where the counterpart video conferencing terminal is located through the PING (Packet Internet Groper), and receiving the current time from the counterpart video conferencing terminal. Display device. The method of claim 1, wherein the control unit, Video conferencing, which detects a local time of an area in which the counterpart video conferencing terminal is located based on area information of a final router among a plurality of routers existing in a communication path from a user video conferencing terminal to the counterpart video conferencing terminal. Time display of the system. The method of claim 4, wherein the control unit, Receiving the area information of the final router through a traceroute program, the time display device of a video conferencing system. The method of claim 1, wherein the control unit, Detecting the last router connected to the video conferencing terminal among the plurality of routers existing in the communication path from the user video conferencing terminal to the counterpart video conferencing terminal, requesting the final router to request regional information of the last router, The time of the video conferencing system, characterized by predicting the area where the counterpart video conferencing terminal is located based on the area information of the last router, and detecting the local time of the area where the counterpart video conferencing terminal is located based on the predicted area. Display device. The method of claim 1, wherein the control unit, When the telephone number corresponding to the counterpart video conferencing terminal is input, the time display of the video conferencing system is detected based on the country code and the area code of the telephone number. Device. The method of claim 1, wherein the control unit, And detecting local time of an area where the counterpart video conferencing terminal is located based on the input area information when the area information is input to a area information input window. Detecting an area where the counterpart video conference terminal is located based on an identifier corresponding to the counterpart video conference terminal; Detecting a time of the detected area; And displaying the detected time on a display unit. The method of claim 9, wherein the identifier, A time display method of a video conference system, characterized in that the IP address or telephone number. The method of claim 9, wherein displaying the time comprises: Requesting the counterpart video conferencing terminal a local time in a region where the counterpart video conferencing terminal is located through a packet Internet Groper (PING); And receiving the current time from the counterpart video conferencing terminal. The method of claim 9, wherein detecting the time comprises: Detecting a local time of a region where the counterpart video conferencing terminal is located based on the region information of the last router among a plurality of routers existing on the communication path from the user video conferencing terminal to the counterpart video conferencing terminal. The time display method of the video conference system. The method of claim 12, wherein the area information of the last router, A time display method of a video conferencing system, characterized in that received through a traceroute program. The method of claim 9, wherein the detecting of the local time of the region where the counterpart video conferencing terminal is located comprises: Detecting a final router connected to the counterpart video conferencing terminal among a plurality of routers existing on a communication path from a user video conferencing terminal to the counterpart video conferencing terminal; Requesting the last router for regional information of the last router; Predicting an area where the counterpart video conferencing terminal is located based on area information of the last router; Detecting a local time of an area where the counterpart video conferencing terminal is located based on the predicted area. 10. The method of claim 9, Detecting a local time of a region where the counterpart video conferencing terminal is located based on a country code and a area code of the phone number when a phone number corresponding to the counterpart video conferencing terminal is input; How to display time in a conferencing system. 10. The method of claim 9, And detecting local time of the region where the counterpart video conferencing terminal is located based on the input region information when the region information is input to the region information input window.

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