KR100750198B1 - Video transmission method using image communications of mobile terminal - Google Patents

Abstract

A method for transmitting a video using image communication function of a portable terminal is provided to transmit automatically video data stored in the portable terminal and video data of a video server connected to a communication base station to an opposite party terminal when one side portable terminal is switched to a hold mode while performing video communication, thereby preventing communication resources from being wasted. A method for transmitting a video using image communication function of a portable terminal comprises the following steps of: indicating transmission stop of a video inputted from a camera of a transmission side portable terminal while performing video communication; determining whether video data about an opposite party portable terminal is registered; connecting the transmission side portable terminal in which at least one video data is stored to an external server; and transmitting video data of the connected external server to the transmission side portable terminal or the opposite party portable terminal.

Description

VIDEO TRANSMISSION METHOD USING IMAGE COMMUNICATIONS OF MOBILE TERMINAL}

1 is a block diagram of a mobile terminal having a video call function in a preferred embodiment of the present invention;

2 is a flowchart illustrating a video transmission method using a video call function of a mobile terminal according to an embodiment of the present invention;

3 is a block diagram of an image transmission system using a video call function of a mobile terminal according to an embodiment of the present invention.

The present invention relates to an image transmission system using a video call function of a mobile terminal, and more particularly, when one mobile terminal switches to a hold mode during a video call, image data or broadcast advertisement preset by the other mobile terminal. It relates to a method for transmitting.

In recent years, the rapid development of communication and information technology has developed into a technology capable of transmitting an image or a video, in addition to a communication terminal that merely delivers voice.

In addition, in the portable terminal, the data processing speed of the central processing unit increases, and as a large data storage device is installed, the video call function is intensified. For example, a portable terminal equipped with a hard disk drive (HDD) or a large capacity nonvolatile memory device (flash device) for a portable terminal is used.

However, in a video call using a mobile terminal having a conventional video call function, one cannot temporarily talk due to a situation in which one party cannot make a call during a video call. Due to this, a call setting is maintained between both mobile terminals even when a call is temporarily unavailable, resulting in a waste of communication resources such as communication lines and frequency bands. However, there is a problem that even if the call is not actually made, the communication burden is still imposed, thereby increasing the economic burden on the mobile terminal users.

SUMMARY OF THE INVENTION An object of the present invention is to provide a video system that can replace image data when video communication is impossible in one portable terminal in a portable terminal capable of voice and video communication.

In order to solve the above problems, the present invention provides a video data transmission method in a mobile terminal having a video call function, comprising: instructing a transmission stop of an image input from a camera of a transmitting mobile terminal during a video call; Determining whether image data corresponding to the counterpart mobile terminal in the video call is registered; and if there is no registered image data, the external mobile terminal stores at least one image data. And transmitting the video data of the connected external server to the transmitting mobile terminal or the transmitting mobile terminal and the counterpart mobile terminal. We propose a video transmission method.

In order to solve the above problems, the present invention provides a video data transmission method in a mobile terminal having a video call function, the process of instructing the transmission of the image input from the camera during the video call, and the other mobile terminal in the video call Determining whether the image data corresponding to the image data is registered; if there is no registered image data, connecting to an external server storing at least one image data; and connecting the image data of the connected external server to the counterpart. The present invention proposes a video transmission method using a video call function of a mobile terminal, comprising the step of transmitting to a mobile terminal.

In addition, the present invention provides a video transmission system using a video call function of the mobile terminal to the owner of the external server to bear the communication fee between the users of the mobile terminal in proportion to the video data transmission time required by the mobile terminal. have.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the same elements in the figures are represented by the same reference numerals wherever possible. Also, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a block diagram of a mobile terminal having a video call function according to an embodiment of the present invention. The mobile terminal according to an exemplary embodiment of the present invention includes a camera photographing function, a mobile communication function, and an image communication function. Of course, other functions may be included in the portable terminal in addition to the above-described functions.

The RF unit 118 performs a wireless communication function of the mobile terminal. The RF unit 118 includes an RF transmitter for upconverting and amplifying a frequency of a transmitted signal, and an RF receiver for low noise amplifying and downconverting a received signal.

The data processor 119 includes a transmitter for encoding and modulating the transmitted signal and a receiver for demodulating and decoding the received signal. That is, the data processor 119 may be configured of a modem and a codec. The codec includes a data codec for processing packet data and an audio codec for processing an audio signal such as voice.

The memory unit 112 includes a program memory unit and a data memory unit. The program memory unit may store a computer program executable in a computer. In addition, the data memory temporarily stores data generated while executing the program.

In addition, the memory unit 112 is preferably composed of a hard disk drive or a nonvolatile memory device for a mobile terminal. The nonvolatile memory device may be, for example, a flash memory device.

The audio processor 114 reproduces the received audio signal output from the audio codec of the data processor 119 or transmits a transmission audio signal generated from the microphone to the audio codec of the data processor 119.

The camera module 115 includes a camera lens for collecting and collecting a light flux from a predetermined subject, a camera sensor for converting the photographed optical signal into an electrical signal, and an analog image signal photographed from the camera sensor. And a signal processing unit for converting the data into data. Herein, it is assumed that the camera sensor is a CCD sensor, and the signal processor may be implemented by a digital signal processor (DSP).

The camera sensor and the signal processor may be integrally implemented or may be separately implemented.

The portable terminal controller 111 performs a function of controlling the overall operation of the portable terminal. In addition, the controller 111 may include the data processor 119. In addition, the controller 111 is connected to the memory 111, the audio processor 114, the image processor 116, the display 117, and the data processor 119 according to an embodiment of the present invention. Control to exchange, process, process, and set up calls.

Particularly, in a preferred embodiment of the present invention, when a hold command key is input to the portable terminal, the portable terminal temporarily stops the function of the camera unit 115 and stops transmitting image data through the camera. In this case, the mobile terminal searches whether the information of the other mobile terminal is stored in the memory unit 112 while maintaining the call connection. If the information of the other party's portable terminal is stored in the memory unit 112, the portable terminal checks whether image data related to the other party's portable terminal is stored in the memory unit 112. If image data related to the counterpart mobile terminal is stored (registered) in the memory unit 112, the portable terminal transmits the stored video data to the counterpart mobile terminal. Of course, when there are at least two stored image data, the portable terminal transmits one image data to the counterpart portable terminal in a set order or at random. If the video data related to the other party's portable terminal is not stored in the memory unit 112, the portable terminal connects to the video server of the mobile communication base station and transmits the video data registered in the video server to the other party's mobile terminal.

The image processor 116 performs a function of generating screen data for displaying an image signal output from the camera unit 15. The image processor 116 processes the image signal output from the camera unit 15 in units of frames, and outputs the frame image data according to the characteristics and the size of the display unit 117. In addition, the image processing unit 116 includes an image codec and performs a function of compressing the frame image data displayed on the display unit 117 in a set manner or restoring the compressed frame image data to the original frame image data. do. The image codec may be a JPEG codec, an MPEG4 codec, a wavelet codec, or the like. It is assumed that the image processor 116 has an On Screen Display (OSD) function, and may output on-screen display data according to a screen size controlled and displayed by the controller 111. .

The display unit 117 displays an image signal output from the image processor 116 on a screen and displays data output from the control unit 10. The display unit 117 may use a panel made of a light emitting element (eg, a liquid crystal display, an organic light emitting diode). The panel preferably has a touch-screen function.

The key input unit 113 is provided with keys for inputting a predetermined telephone number including numeric and character information, and function keys for setting various functions. It may also have a shortcut key for the keys.

In particular, in an exemplary embodiment of the present invention, a shortcut key for setting a hold state of a portable terminal by a user input may be '#' or '*'.

2 is a flowchart illustrating a video transmission method using a video call function of a mobile terminal according to an embodiment of the present invention.

3 is a block diagram of an image transmission system using a video call function of a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 2, an image transmission method using a video call function of a mobile terminal according to an exemplary embodiment of the present invention will be described below.

In operation S 201, the mobile terminal is in a standby state of power-on.

In step S205, when a video call is set between the mobile terminals, the image input signal of the camera unit 115 is controlled by the control unit 111 to the display unit 117 of the mobile terminal. Process to be able to display the appropriate size. In this way, the mobile terminal user can check the transmission image displayed on the display unit 117. In addition, the image input signal is transmitted to the counterpart mobile terminal through the wireless network together with the voice through the image processing unit 116 to perform a video call between the mobile terminals.

In operation S210, the portable terminal sets a hold mode according to a hold command key input of the portable terminal key input unit 113. That is, the user inputs a hold command using at least one of the plurality of keys constituting the key input unit 113 of the portable terminal. In addition, the hold mode may be automatically set due to a fault of the mobile terminal or a fault of the mobile communication system. When the hold mode is set, the portable terminal stops transmitting image data input from the camera unit 1150.

In step S215, the control unit 111 of the portable terminal determines whether information of the other mobile terminal that is connected to the video call is registered. As a result of the determination, when it is determined that there is no information registered in the portable terminal, the control unit 111 transmits a hold mode setting signal indicating that the hold mode is input to the mobile communication base station when the hold command key is input.

Referring to FIG. 3, a process of transmitting a hold mode setting signal indicating that the hold mode is input to the mobile communication base station in operation S 215 is described below.

The portable terminal control unit 320 of the portable terminal sender 300 disconnects the connection with the camera unit 310 to stop the transmission of the video signal input from the camera unit 310 when the hold command key is input. However, the control unit 320 maintains a call setting for data transmission to the mobile communication base station 500 via the data processing unit 330 and the RF unit 340. In contrast, the control unit 304b of the mobile terminal receiver 400 maintains a call setting for data transmission to one side of the mobile communication base station 500 via the data processing unit 430 and the RF unit 440. , The other side is connected to the camera unit 410.

In step S235, the mobile communication base station receiving the hold mode setting signal from the mobile terminal accesses an external server through a communication network. 3 illustrates an advertisement server 600 as an example of an external server. The commercial server 600 is always connected to a mobile communication base station through a wired / wireless communication network or a wired / wireless internet network. The broadcast advertisement server 600 stores at least one broadcast advertisement, and the user may request the broadcast advertisement server 600 to transmit a desired broadcast advertisement. The fee may be reduced in exchange for watching the broadcast transmitted from the broadcast advertisement server 600.

In step S240, the mobile communication base station transmits the commercial image of the connected video server to the mobile terminal which has transmitted the hold mode setting signal and the mobile terminal which has maintained the video call call setting.

In step S245, when the hold mode release command key is input from the mobile terminal having the hold mode set, the mobile terminal controller 111 transmits a hold mode release signal indicating that the hold mode is released when the hold mode release command key is input. Transmit to base station.

In addition, the portable terminal controller 320 of the portable terminal sender 300 transmits an image signal from the camera unit 310 to the controller 320 when the hold mode release command key is input.

In step S250, the mobile communication base station receiving the hold mode release signal from the mobile terminal releases the connection with the advertisement video server and simultaneously transmits the mobile terminal through a video call call held between the transmitting and receiving mobile terminals. Send the receiver's image data.

In this case, the mobile communication network including the base station 500 measures the access time and the number of times of access of the commercial server 600 of the mobile terminal, and pays the cost corresponding to the measured access time and the number of accesses to the mobile terminal. do.

In step S255, when the hold mode setting command key is input again, the process after step S235 is repeated.

On the other hand, in step S255, if the hold mode setting command key is not input, the video call call setting is maintained as it is.

If it is determined in step S 215 that the information on the other party's mobile terminal that is currently connected to the mobile terminal is registered in the memory unit 112, the image data registered by the user in the other party's mobile terminal information registered in the memory unit 112 is determined. Alternatively, the video signal transmission from the camera unit 310 to the control unit 320 is stopped in order to transmit the video data registered by default in the mobile terminal.

In operation S 220, the image data is transmitted to the counterpart mobile terminal.

When the hold mode is released in step S 225, the controller 320 starts to transmit the video signal of the camera unit 310 to reset the video call in step S 230.

As described above, preferred embodiments of the present invention are disclosed for the purpose of illustration, and those skilled in the art can improve other various embodiments within the spirit and technical scope of the present invention disclosed in the appended claims below. Changes, substitutions or additions will be possible.

According to the present invention, when one of the mobile terminals switches to the hold mode during the video call, the video data stored in the mobile terminal or the video data of the video server connected to the communication base station is automatically transmitted to the counterpart terminal. The waste of communication resources such as frequency bands can be prevented, and if the video of the video server is an advertising video, the commercial owner can bear the communication fee of the mobile terminal user, thereby reducing the economic burden of the mobile terminal user. .

Claims (7)

In the video data transmission method of a mobile terminal having a video call function, Instructing to interrupt transmission of an image input from a camera of a transmitting mobile terminal during a video call; Determining, by the transmitting mobile terminal, whether image data corresponding to the counterpart mobile terminal in the video call is registered; If there is no registered image data, connecting the portable terminal to an external server storing at least one image data; And transmitting the video data of the connected external server to the transmitting side mobile terminal or the transmitting side mobile terminal and the counterpart portable terminal. In the video data transmission method in a mobile terminal having a video call function, Instructing to interrupt transmission of a video input from a camera during a video call; Determining whether image data corresponding to the counterpart mobile terminal in the video call is registered; If there is no registered image data, connecting to an external server storing at least one image data; And transmitting the video data of the connected external server to the counterpart mobile terminal. The method of claim 2, Receiving a command for instructing a video call during transmission of image data from the external server; And releasing the connection with the external server and transmitting the image data transmitted from the camera. The method of claim 2, The video data transmission process of the external server, And the external server measures at least one of the transmission time or the number of transmission times of the image data transmitted to the counterpart mobile terminal. The method according to claim 2 or 4, The image data of the external server is a video transmission method using the video call function of the mobile terminal, characterized in that the advertising video. The method of claim 4, wherein And transmitting a predetermined cost to the counterpart mobile terminal in response to the measured transmission time and the number of transmissions. The method of claim 2, The mobile terminal is an image transmission method using the video call function of the mobile terminal, characterized in that the mobile communication network is connected to the external server connected by wire or wireless.

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