KR100841243B1 - Picture replying system based on 3g and method thereof - Google Patents

Abstract

A terminal system for an image reply and an image service method using the system are provided to assign an intrinsic telephone number to an image reply apparatus to enable a customer to confirm an image regardless of time and space, and to send an image to a telephone number stored in the reply apparatus by using a send button only in an emergency, thereby offering security and monitoring effects. An image reply apparatus comprises as follows. A program memory(405) retains system operation algorithm to provide a 3G communication protocol by including image taking, calling, and displaying functions. A data memory(407) conducts efficient management for snap images or image-taken videos. A controller(401) accepts an input signal of a key button(315) based on the system operation algorithm, and carries out object recognition control by responding to the input signal. In addition, the controller controls the turning-on/off of a luminescent lamp(321) based on the quantity of light detected from an infrared sensor(311) to increase camera efficiency. A 3G communicator(403) delivers a taken or inputted image, sound, and a voice signal to a user terminal, and provides a voice signal received from the user terminal to the controller.

Description

Terminal system for video call and image providing method using same {PICTURE REPLYING SYSTEM BASED ON 3G AND METHOD THEREOF}

1 is a block diagram illustrating a conventional video call.

2 is a block diagram illustrating a video reply terminal system according to the present invention.

3 is a perspective view for explaining a video reply device according to the present invention.

4 is a block diagram illustrating the main functions of the video reply device according to the present invention.

5 is a flowchart for describing an operation according to the first embodiment of the present invention.

6 is a flowchart for describing an operation according to the second embodiment of the present invention.

<Explanation of symbols for main drawings>

201: user terminal 203: video reply device

205: 3G communication network 207: content operation server

209: billing server 303: camera

305: antenna 307: microphone

309 speaker 311 infrared sensor

315: key button 317: display window

321: light emitting lamp 401: control unit

403: 3G communication unit 405: program memory

407: data memory 409: A / D converter

411: D / A converter 413: interface

415: camera driver 417: display driver

The present invention relates to a video communication system capable of arbitrarily receiving a remote image, and more particularly, to receive a surrounding video and a snap image of a local area from a video communication terminal installed for personal or public purpose using a portable 3G service. It relates to a video communication terminal system and a video providing method using the same.

In general, the video call service is a service for viewing and communicating with the other party through a mobile communication terminal equipped with a camera, and may be classified into a circuit switching method using a switch and a packet switching method using an All-IP network. . 1 is a diagram illustrating a configuration of a mobile communication network for providing a video call service.

First, when an attempt is made to make a video call from the originating mobile communication terminal 10, the base station 12 receives it and the exchanger 26 to which the destination mobile communication terminal is connected through the base station controller 14 and the exchange 16 is connected. ), The base station controller 24 and the base station 22 perform a video call with the terminating mobile communication terminal 20. In the case of using the circuit-switched method, as described above, the video call service is connected through the switches 16 and 26. However, in the case of applying the packet-switched method using the all-IP network, the video call service is connected to the base station controllers 14 and 24. Service is provided through a GPRS (General Packet Radio Service) service providing register that is connected, that is, a Serving GPRS Support Node (SGSN) 30 and a GPRS Correspondent Register, that is, a Gateway GPRS Support Register (GGSN) 32.

In order to provide such a video call service, an H.323 or H.324M protocol, which is an international standard defined by the International Telecommunication Union (ITU), must be implemented in a mobile communication system. H.323 is a system protocol that provides video telephony service in IP network, packet data network, H.324 is a system protocol developed based on public network, and H.324M (Mobile) is used for mobile communication. It is an improvement.

In a video call service using H.324M as a system protocol, compression and encoding of moving pictures are made using H.261 and H.263, and speech coding is made using G.723.1. Here, H.261 is a standard for video compression / coding for video telephony and video conferencing, and H.263 and MPEG-4 are improved video compression / coding standards in H.261. In addition, G.723.1 is a standard for converting audio signals to 8 kbps or less. The picture standard used by 3GPP is 3G-324M, a modification of H.324M to conform to 3GPP. The major difference from H.324M is that the voice codec uses AMR (Adaptive Multi-Rate) as standard and G.723.1 is an option.

The video call service is set up using H.223 when the calling mobile communication terminal attempts to use the video call service, and then the call is set up. After the call is established, the circuit connection and allocation process is performed by negotiation between the originating and terminating mobile communication terminals using H.245. Accordingly, when a call path is formed, video, voice, and data (pictures, photos, etc.) are exchanged between calling and terminating mobile communication terminals.

As described above, a video call service is a service for delivering a video between a sender and a receiver's terminal, and each service provider uses 3G (WCDMA), HSDPA (high speed downlink packet access), and WiBro (mobile Internet) in earnest. The situation is investing a lot of money to build a high-speed video system. Accordingly, when the communication system is established to enable video calls, the 3G service market capable of bidirectional communication with video is rapidly growing, but the current 3G service market is limited to video calls.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a video communication terminal system and an image providing method using the same that can expand the 3G service market using the functionality of the video call.

Another object of the present invention is to provide a video-receiving terminal system that can provide individual-oriented video content rather than use for mutual video call between subscribers, or can be utilized as a plurality of video media functions in conjunction with public interest purposes, and video using the same. In providing a method.

According to a first aspect of the present invention, there is provided a video reply terminal system, comprising: a 3G communication network; A user terminal capable of transmitting and receiving 3G video based on the 3G communication network; A video reply device for providing an image of the place to a registered member terminal installed at an arbitrary place according to a user's request or public interest; A content operation server for managing member management, personal authentication, and registration for a user terminal provided with a video reply service of the video reply device in association with the 3G communication network; And a billing server connected to the content management server to perform a service billing according to the provision of contents for each member.

Specifically, the video return device includes a program memory having a system operating algorithm to provide a 3G communication protocol including video capture, call, and display functions according to a caller's request or a key button operation of the video return device; A data memory for efficiently managing the captured video or snap image; Based on the system operating algorithm of the program memory, the input signal of the key button is received, and in response to the input signal, camera driving control, display window driving control, microphone signal input, speaker output control, and object recognition control using an infrared sensor. A control unit to perform; And a 3G communication unit configured to transmit an image, sound, and audio signal captured or input under the control of the controller to the user terminal, and provide the controller with the audio signal received from the user terminal.

On the other hand, the video providing method using a video communication terminal system according to a second aspect of the present invention for achieving the above object, a) receiving a video call service from the user terminal; b) receiving a unique number and a preset password for the video reply device from the user terminal; c) performing user authentication based on the password and a unique number for the video reply device; d) searching, by the content operation server, a database of a home location register (HLR) and a visitor location register (VLR) of a 3G communication network and searching for a video reply device corresponding to the unique number based on a user authentication result; e) attempting to access a call with a corresponding base station where the video answering device is installed; f) receiving a response to a call connection request of the video reply device and registering a service mode set from the user terminal; g) receiving a video signal from the video reply device according to the service mode, and relaying the received video signal to the user terminal; And h) repeating the process from the user terminal until the service termination request, and then requesting the charge according to service relay to the charging server.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram showing a video reply system according to the present invention. As shown in the drawing, a 3G communication network 205, a user terminal 201 capable of transmitting and receiving 3G video based on the 3G communication network 205, and a member terminal installed and registered in an arbitrary place according to a user request or the public interest. Member management and personalization of a video reply device 203 for providing a video of a corresponding place, and a user terminal 201 provided with a video reply service of the video reply device 203 in cooperation with the 3G communication network 205. A content management server 207 for managing authentication and registration, and a billing server 209 connected to the content management server 207 to perform service billing according to the provision of contents for each member.

The video reply device 203 may set a video reply destination to an individual, a public institution, a private institution, and the like. When the video reply device 203 is applied to an individual, the individual may freely include a nursery, a kindergarten, a playroom (including a school bus), a house, an office, a place for security and surveillance of a business, and the like. It can also be used if you want to talk while working (cleaning, exercising). In addition, when the video reply device 203 is to be used in a specific institution, the house where the elderly live alone, child care facilities (linked with the management institution), the school where the students study, school, lecture (linked to the educational program), behavior This place can be installed in the office or at the place for city / school lectures in the company or home, including congested places such as houses or facilities (linked with welfare institutions), congested traffic areas, highways, parking lots, hospitals, etc. There will be.

3 is a perspective view showing a video return device 203 according to the present invention. As shown, the camera module 313 is installed to the front of the housing 301 having a predetermined shape for capturing an arbitrary image, and for transmitting the caller's voice to one side of the housing 301. A speaker 309, a microphone 307 for receiving audio and sound at a location where the video reply device 203 is installed, an infrared ray for detecting an object in front of the video reply device 203, or tracking the detected object. It consists of an antenna 305 and a power line 319 including a display window 317 for displaying a sensor 311, terminal information of the caller, and operation information of the system.

The camera module 313 may include a camera 303 capable of changing an imaging angle according to a caller's request or an object tracking mode, and a light emitting lamp 321 synchronized with the flow of the camera 303 and turned on in response to ambient illumination. ). In addition, one side of the housing 301 is provided with a plurality of buttons for setting the power control, system mode change, call control, monitoring control and the like.

The call control is a button for performing a video call with a terminal of an emergency or a specific person, and the video reply device 203 stores and manages the number information of the specific terminal. The surveillance control is a mode for the image return device 203 to be applied as an unmanned surveillance camera, and is a control for notifying a registered user of an image captured by the camera 303 based on a detection result of the infrared sensor 311. Mode.

The video reply device 203 configured as described above is registered with a unique number at the time of initial purchase, and a video call is made based on the unique number. The video reply may be performed through the above-described user terminal 201, that is, the 3G terminal. However, when the video reply device 203 is used for the public interest, the video reply may receive an image of the corresponding device through an Internet web site, if necessary. .

4 is a view for explaining the main functions of the video reply device 203 according to the present invention. As shown, the 3G communication protocol includes a video operation, call and display function according to a caller's request or a key button 315 operation of the video return device 203 by holding the system operation algorithm of the video return device 203. A program memory 405 providing a data memory, a data memory 407 for performing efficient management of the captured video or a snap image, and a key button based on a system operating algorithm of the program memory 405. In response to the input signal of 315, in response to the input signal, the camera 303 driving control, display window 317 driving control, microphone 307 signal input, speaker 309 output control, using the infrared sensor 311 The controller 401 performs object recognition control, and transmits the image, sound, and audio signal captured or input to the user terminal 201 under the control of the controller 401, and the user terminal 20. 3G communication unit 403 for providing a voice signal received from 1) to the control unit 401.

The camera 303 remotely controls an imaging angle of the camera 303, and interlocks with a camera driver 415 which provides an image captured by the camera 303 to the controller 401, and the display window 317 is an LCD. And a display panel such as an ELD, and interlocks with a display driver 417 for displaying caller information as textual information according to a control command of the controller 401. In addition, the microphone 307 is connected to the A / D converter 409 for amplifying and outputting the input voice signal to the digitized signal, the speaker 309 is provided by the control unit 401, i.e. And a D / A converter 411 for amplifying and outputting audio to an analog signal.

The infrared sensor 311 may be assumed to be an object recognition sensor or a human body sensor, and may be used to track the movement of the photographed person positioned in front of the image return device 203. Therefore, the infrared sensor 311 is interlocked with the interface 413 that receives the infrared rays in a predetermined space and detects the distribution of the received infrared rays, and the controller 401 is based on the output data of the interface 413. 415 operation control. In addition, the controller 401 performs an on / off control of the light emitting lamp 321 to increase the imaging efficiency of the camera 303 based on the amount of light detected by the infrared sensor 311.

Hereinafter, a method of operating the above-mentioned video reply device 203 according to an embodiment of the present invention will be described with reference to the accompanying drawings. First, FIG. 5 is a flowchart illustrating a personalized content providing method of a video reply device. The user installs at least one video return device 203 in a specific place. In this case, the specific place includes a nursery, a kindergarten, a playroom (including a school bus), a house, an office, a place for the security and monitoring of a business, and the like while freely doing personal work (cleaning, exercise) to guide young children. Can be installed in the place you want to do.

In order to operate the video return device 203 installed as described above, the user terminal 201 requests a service from the 3G communication network 205. That is, in operation S501, the user terminal 201 executes a service request to the content operation server 207. In this case, the user terminal 201 inputs a unique number, for example, a phone number, for the corresponding video reply device 203, and then inputs a preset password.

In step S503, the content operation server 207 checks the user's real name based on the input password and the unique number for the video reply device 203. The content operation server 207 performs the authentication process based on the real name confirmation, and then sets the requested service from the user. The service is a service mode setting for setting whether to receive a video, a snap image, or perform a call request from the video reply device 203. Accordingly, the user performs service setting using the user terminal 201 according to the guidance of the content operation server 207.

When the service setting is completed, step S505 is entered. The content operation server 207 searches a database of a home location register (HLR) and a visitor location register (VLR) of the 3G communication network 205 to find an installation location of at least one video return device 203 installed from a user. The video return device 203 corresponding to the unique number is retrieved. When the search is completed, the content operation server 207 attempts to connect to the base station where the video reply device 203 is installed. In step S507, the video return device 203 receives a service mode set by the user together with the response to the call connection request.

The 3G communication unit 403 receives the above-mentioned communication call request through the antenna 305, and when the communication call is connected to the content operation server 207, the control unit 401 from the user through the 3G communication unit 403 Receive the set service mode information. Service mode information is stored in the data memory 407. For example, when the service mode is a video reply service, the controller 401 provides an enable signal to the camera driver 415 to transmit an image captured by the camera 303 to the content operation server 207.

Video transmission is performed according to a protocol for 3G communication, and the content operation server 207 performs a service relay in step S509. From this, the user terminal 201 receives an image captured by the image return device 203 in step S511. Here, since the currently set service mode is the video reception mode, the user terminal 201 may transmit a control signal for setting the imaging angle of the camera 303. This can be operated by the key signal of the user terminal 201 according to the guidance of the content management server 207, the key signal of the user terminal 201 is received by the control unit 401 of the video reply device 203.

The controller 401 instructs the camera driving angle to the camera driver 415 in response to the key signal of the user terminal 201. The operation angle is preferably ± 90 °, and the user can capture a moving picture in the corresponding angle range. If necessary, tracking using object recognition is possible without manipulating the angle of the camera from the user terminal 201. To this end, the controller 401 activates the infrared sensor 311 and the interface 413, and the interface 413 is based on the signal detected by the infrared sensor 311, and the infrared distribution of the space currently being viewed by the camera 303. Calculate

The controller 401 operates the camera driver 415 based on the infrared distribution information of the interface 413 to move the camera 303 to a position where the infrared rays are emitted the most. Therefore, the user terminal 201 receives a video of a space where a human body or an animal is located without a user's separate operation. Of course, since the imaging position of the camera is changed according to the movement of the human body or the animal, the user terminal 201 may receive the corresponding image by tracking the movement of the human body or the animal.

In addition, when the service mode set by the user is a snap image, the user terminal 201 may set an angle for capturing the snap image, and as described above, the angle information transmitted from the user terminal 201 may be controlled by the controller 401. It is provided to the camera driver 415 through the user can receive a snap image of the desired angle.

These videos or snapshots can be applied to day care centers, kindergartens, and playrooms where children can be confidently instructed in order to understand all the children's life cycles. You can watch the lectures even in the situation. In addition, the video reply device is installed in the place where the old parents frequently visit to check whether it is safe or to find the whereabouts of the old parents if necessary.

Thereafter, in step S511, when a video reply is made to the user terminal 201, the content operation server 207 requests the accounting server 209 for charging. After the charging server 209 recognizes the service execution from the content operation server 207, the charging server 209 counts the service providing time in step S513. If the user terminal 201 requests to terminate the service in step S515, the content management server 207 enters step S517 and the relay between the video reply device 203 and the user terminal 201 in response to the service end signal. Block the call. The billing server 209 is notified of this service termination status. The billing server 209 calculates billing based on the time information provided with the service in step S519.

In the above description, the user terminal 201 selects any one specific video return device 203 and then performs a video, snap video, and call service from the selected video reply device 203. Of course, a user located at a place where the device 203 is installed may request a call request or a video call to the user terminal 201.

To this end, the above-described user selects a call origination function using the key button 315 of the video reply device 203 and performs a call with the user terminal 201 through the microphone 307 and the speaker 309. have. Of course, the video reply device 203 is registered with a unique number, that is, a telephone number of the user terminal 201, in addition to the unique number of the user terminal, an emergency number for emergency contact is registered as necessary. This is to provide an emergency situation of the current location to the registered terminal as a sound or video when an emergency situation occurs in a place where the video reply device 203 is installed.

6 is a flowchart illustrating a case where the video return device 203 according to the present invention is installed and used in a public place. Here, since the video call function between the video reply device 203 and the user terminal 201 is the same as the above-described procedure, duplicate description thereof will be omitted. However, as in step S601, after the video return device 203 is purchased and installed in a public institution or a private institution, and the like to know the installed place. Notification of the installation place is made through the content operation server 207, the user recognizes the installation place of the video reply device 203 using the user terminal 201.

The content operation server 207 provides a place where a plurality of video reply devices 203 are installed by textual information or geographic, so that a user selects a specific location and receives a video of the selected place. If necessary, the content operation server 207 may provide the installation place of the video reply device 203 and the video of the corresponding place by vehicle navigation, mobile phone navigation, etc. in association with telematics.

As described above, the user selects any one video return device 203 based on the known information of the video reply device 203 and inputs personal information for user authentication. The personal information may be a resident registration number and the like, and if the membership system is operated, information such as ID and PW will be possible. The content operation server 207 performs user authentication based on such personal information, and provides the user terminal 201 with an image of a specific area selected in advance according to the user authentication result.

For example, in connection with welfare institutions, a video reply device is installed in a house and a childcare facility where the elderly live alone, and a social worker can check it at any time so that one person can manage several elderly people. Alternatively, a plurality of video reply devices may be installed in a stagnant congestion area, a highway, a parking lot, a hospital, and the like, so that a driver or a user may directly check the congestion status of a corresponding area using a mobile phone and determine a course. In addition, by installing a video reply device 203, such as a school, a company will be able to watch the school / school lectures, meetings and the like in the company or home.

As described above, the video communication terminal system and the video providing method using the same according to the present invention, by giving a unique telephone number to the video reply device can be confirmed by the video anytime and anywhere if the customer wants, call in an emergency By sending a video or making a video call to a phone number stored in a video reply device at the touch of a button, it is possible to prevent missing children in advance and to check the status of elderly parents or elderly people living alone. It is effective to secure a stable environment for the elderly by providing them. In addition, when there is an external intruder, it provides security and surveillance effects based on the function of taking an image and transmitting it to a designated external terminal.

Claims (11)

In a video reply system for a video call service, 3G network; A user terminal capable of transmitting and receiving 3G video based on the 3G communication network; A video reply device for providing an image of a corresponding place to a registered member terminal installed at a predetermined place according to a user's request or public interest; A content operation server for managing member management, personal authentication, and registration for a user terminal provided with a video reply service of the video reply device in association with the 3G communication network; And Is configured as a billing server connected to the content operation server to perform service billing according to the provision of content for each member, The video reply device, A program memory having a system operating algorithm to provide a 3G communication protocol including video capturing, calling, and displaying functions according to a caller's request or a key button operation of a video reply device; A data memory for efficiently managing the captured video or snap image; Based on the system operating algorithm of the program memory, the input signal of the key button is received, and in response to the input signal, camera driving control, display window driving control, microphone signal input, speaker output control, and object recognition control using an infrared sensor. A control unit to perform; And A 3G communication unit configured to transmit an image, sound, and audio signal captured or input to the user terminal under the control of the controller, and to provide a voice signal received from the user terminal to the controller; Video reply system, characterized in that consisting of. delete delete The method of claim 1, And the infrared sensor tracks the movement of the photographed person positioned in front of the image return device. A method of operating a video reply system for a video call service according to claim 1, a) receiving a video call service request from the user terminal; b) receiving a unique number and a preset password for the video reply device from the user terminal; c) performing user authentication based on the password and a unique number for the video reply device; d) searching, by the content operation server, a database of a home location register (HLR) and a visitor location register (VLR) of a 3G communication network and searching for a video reply device corresponding to the unique number based on a user authentication result; e) attempting to access a call with a corresponding base station where the video answering device is installed; f) receiving a response to a call connection request of the video reply device and registering a service mode set from the user terminal; g) receiving a video signal from the video reply device according to the service mode, and relaying the received video signal to the user terminal; And h) repeating steps a) to g) until the service termination request from the user terminal, and requesting billing according to service relay to the billing server; Image providing method using a video communication terminal system, characterized in that consisting of. The method of claim 5, wherein And the service mode is a function setting for setting whether to receive a video from the video reply device, to receive a snap video, or to perform a call request. delete delete A method of operating a video reply system for a video call service according to claim 1, a) recognizing a key button according to an emergency situation from the video reply device; b) extracting emergency number information registered with the video reply device; c) searching a user terminal corresponding to the emergency number information by searching a database of a home location register (HLR) and a visitor location register (VLR) of the 3G communication network based on the emergency number information; d) attempting to connect a call between the user terminal and the video reply device; And e) receiving a response to the call connection request of the user terminal, receiving a video signal from the video reply device, and relaying the received video signal to the user terminal. Image providing method used. The method of claim 9, f) repeating steps a) to e) until the service termination request from the user terminal, and requesting billing according to service relay to the billing server; Image providing method using a video communication terminal system characterized in that it further comprises. delete

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