KR100856253B1 - Method for performing video communication service in mobile terminal - Google Patents

Abstract

The present invention provides a method of performing a video call service of a mobile terminal having a first display unit on the front surface and a second display unit on the rear surface and a camera installed on the rear surface, the process of outputting an image through the screen of the first display unit in a video output mode. And when the video call is received from the counterpart terminal during the video output, alarming the incoming call; and when the call is connected, the video being displayed and the image transmitted from the counterpart terminal are installed on the same side as the camera. And performing a video call while simultaneously outputting the same. Accordingly, the present invention can output a video screen or a broadcast screen together with a video call screen during a video call with the counterpart terminal during video or digital broadcast output, so that the user can perform a video call with the other party while watching the video or digital broadcast.

Handset, video call

Description

How to perform video call service on mobile device {METHOD FOR PERFORMING VIDEO COMMUNICATION SERVICE IN MOBILE TERMINAL}

1 is a block diagram of a portable terminal according to an embodiment of the present invention.

2 is a flowchart illustrating a video call service performing process of the mobile terminal according to the first embodiment of the present invention.

3 is a flowchart illustrating a video call service performing process of a mobile terminal according to a second embodiment of the present invention.

4A and 4B are flowcharts illustrating a video call service performing process of a mobile terminal according to a third embodiment of the present invention.

5A and 5B illustrate a video call service performing process of a mobile terminal according to an exemplary embodiment of the present invention.

The present invention relates to a mobile terminal, and more particularly, to a method of performing a video call service of the mobile terminal.

Recently, the mobile terminal has evolved toward a multimedia direction that can pursue various functions in addition to the mobile communication function, and thus, like a portable terminal combined with a portable multimedia player (PMP), the mobile terminal can provide multimedia functions. Portable terminals are rapidly being developed.

Among the mobile terminals capable of providing a multimedia function as described above, a mobile terminal having a video call function transmits and receives video data of the user, that is, image data and receives video data of the other party while performing video transmission and reception together with audio transmission and reception. Make a call while displaying.

However, when the mobile terminal having the video call function is playing a video or receives a video call call from a counterpart terminal during digital broadcast output, the portable terminal ends playback of the video or ends the digital broadcast output and then the video call of the user and the other party. A video call is displayed by displaying a video on a display unit.

Therefore, when a terminal user performs a video call while watching a video or broadcast, it is inconvenient to select a corresponding broadcast channel by ending the video call and replaying the video or reentering the broadcast reception mode.

Accordingly, an object of the present invention is to provide a method for a user to efficiently perform a video call service while watching a video or broadcast.

In order to achieve the above object, the present invention provides a video call service of a mobile terminal having a first display unit on a front surface, a second display unit on a rear surface, and a camera installed on the rear surface, the first display unit screen in a video output mode. Outputting an image through the video; and receiving a call when the video call is received from the counterpart terminal during the video output; and when the incoming call is connected, the video being output and the image transmitted from the counterpart terminal. And simultaneously performing a video call while simultaneously outputting the screen on the second display unit installed on the same surface.

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In addition, the present invention provides a method of performing a video call service of a mobile terminal having a display unit and a camera on the front or the rear, respectively, outputting an image through the display unit screen provided in the front in the image output mode, and during the image output When the video call is received from the other terminal, alarming the incoming call; and when the incoming call is connected, the video being displayed on the display unit screen selected by the user from the display unit provided on the front or rear side and the image transmitted from the other terminal. And simultaneously performing a video call while outputting the same.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, 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 portable terminal according to an exemplary embodiment of the present invention, and assumes that the portable terminal uses a wideband code-division multiple access (W-CDMA) scheme capable of video communication. In addition, the mobile terminal according to an embodiment of the present invention may perform a mobile communication function and a multimedia function, and the multimedia function may be performed by the multimedia processing unit 120 separately from the control unit 170.

The illustrated mobile terminal 100 includes a camera 110, a multimedia processing unit 120, a key input unit 130, a display unit 140, a memory 150, a speaker 160, a controller 170, and a video call module unit ( 180, a call transmission / reception unit 190.

The camera 110 may be provided at the front and the rear of the mobile terminal 100, respectively, and converts the optical signal of the photographed subject into an electrical video signal and outputs the converted video signal to a video signal processor (not shown). Converts an electrical video signal input from the camera 110 into a video signal which is a digital signal and outputs the video signal to a video codec (not shown).

The video codec compresses the video signal input from the video signal processor to encode the video signal, and outputs the encoded video source to the controller 170. The encoded video source may be delivered to the controller 170 through the multimedia processor 120.

The multimedia processing unit 120 independently performs a multimedia function of the mobile terminal 100 according to an embodiment of the present invention in an activated state. That is, the multimedia processing unit 120 may independently perform a multimedia function regardless of the state of the control unit 170. That is, the multimedia processing unit 120 may independently perform a multimedia function even when the controller 170 is in a sleep mode. The multimedia function refers to a function capable of processing various media including voice, figure, video, and the like.

The key input unit 130 includes a character key, a numeric key, various function keys, an external volume key, and the like, and outputs a key input signal corresponding to a key input by a user to the controller 170.

The display unit 140 may be formed of a liquid crystal display (LCD) or the like, and outputs various display data generated by the portable terminal 100.

The memory 150 may include a program memory and a data memory, and stores various pieces of information selected based on various pieces of information and user selection information necessary for controlling the operation of the mobile terminal 100 according to an embodiment of the present invention. . In other words. ROM (ROM) for storing the operation algorithm accessed through the control unit 170 for the overall operation of the mobile terminal 100, and RAM (RAM) for storing data according to the control command in the data processing process of the controller 170 It consists of.

The speaker 160 outputs the voice data input to the mobile terminal 100 or the corresponding voice data when the mobile terminal 100 performs a multimedia function under the control of the controller 170.

The controller 170 controls the overall operation of the mobile terminal 100 according to the embodiment of the present invention. In addition, the controller 170 may include a video call module 180.

When the video call is received from the other terminal in the video output mode, the controller 170 alarms the incoming call. When the incoming call is connected, the controller 170 performs a video call while outputting a video transmitted from the other terminal to a predetermined area of the video output screen. To control. In this case, the video output mode may be a digital broadcast output mode or a video output mode stored in the mobile terminal 100.

The video call module 180 demodulates and decodes the video call signal received by the call transmitting / receiving unit 190 and divides the video call signal into an audio source and a video source. The video call module 180 outputs the separated audio source and the video source to an audio signal processor (not shown) and a video codec, respectively. In addition, the video call module 180 modulates the video source encoded by the video codec and the audio source encoded by the audio signal processor together and outputs the same to the call transmitter / receiver 190.

The call transmitting / receiving unit 190 transmits the video call signal received through the antenna to the controller 170 and transmits the video call signal to the base station (not shown) through the antenna under the control of the controller 170.

Meanwhile, although FIG. 1 illustrates that the portable terminal 100 according to an embodiment of the present invention includes a key input unit 130 and a display unit 140, the terminal is the same as a portable multimedia player (PMP) communication terminal. A first display unit (not shown) and a first key input unit (not shown), which are always exposed on the front surface, may be provided with a second display unit (not shown) and a second key input unit (not shown) that are exposed to the outside on the back of the terminal. .

When the above-described PMP (Portable Multimedia Player) combined communication terminal is applied to the present invention, the multimedia processing unit 120 controls the first display unit and the first key input unit provided at the front of the terminal to perform a multimedia function, and the control unit ( 170 may perform a mobile communication function by controlling the second display unit and the second key input unit provided at the rear of the terminal.

In addition, when the multimedia processing unit 120 performs a multimedia function by controlling the first display unit and the first key input unit, the first display unit may provide a relatively larger screen compared to the second display unit provided at the rear of the terminal. Preferably, when the first display unit provides a larger screen than the second display unit, the user actively utilizes the first display unit when watching a broadcast or digital camera recording using a terminal.

In addition, the first key input unit may be implemented as a touch pad in order to efficiently control a multimedia function of a user. In this case, the user may perform a multimedia function (for example, watching a broadcast, playing a video, or capturing a video). ), The first key input unit implemented as a touch pad can adjust a channel or volume or execute a menu necessary for capturing an image.

2 is a flowchart illustrating a video call service performing process of a mobile terminal according to a first embodiment of the present invention.

1 and 2, the controller 170 controls the multimedia processing unit 120 in the image output mode to output an image through the screen of the display unit 140 (S110). The image output mode may be a digital broadcast output mode or a video output mode stored in the memory 150, and the portable terminal 100 may include a digital broadcast receiver (not shown) for outputting digital broadcast.

The controller 170 checks whether the video call is received from the counterpart terminal at the call transmission / reception unit 190 during the video output (S120).

The controller 170 checks whether a call key is input when the video call is received (S130). In this case, the control unit 170 preferably alerts the incoming call when the video call is received.

The controller 170 connects the incoming call when the call key is input (S140).

When the call is connected, the controller 170 checks whether the simultaneous output function of the video output screen and the video call screen is set (S150). The user may preset the simultaneous output function through a menu.

If the simultaneous output function is not set as a result of the check, the controller 170 performs a general video call (S160).

In addition, if the simultaneous output function is set as a result of the check, the controller 170 performs a video call while outputting an image transmitted from the counterpart terminal to a predetermined area of the image output screen of the display unit 140 (S190). When the controller 170 outputs an image transmitted from the counterpart terminal to a predetermined area of the image output screen, the controller 170 transmits the output image from the main screen to the counterpart terminal using a picture in picture method. It is preferable to output an image to a sub picture. In addition, the controller 170 may output an image output on the sub-screen as a main screen or output an image output on the main screen as a sub-screen according to a user's request. You can also control which one is to be displayed in full screen.

On the other hand, the controller 170 checks whether a predetermined predetermined key is input when the call key is not input when the video call is received (S170). The predetermined key may be any one of the keys provided in the key input unit 140, or may be provided separately.

The controller 170 connects the incoming call when a predetermined key is input when the video call is received (S180).

When the incoming call is connected, the controller 170 performs a video call while outputting an image transmitted from the other terminal to which the call is connected to a predetermined area of the video output screen (S190).

3 is a flowchart illustrating a video call service performing process of a mobile terminal according to a second embodiment of the present invention. It is assumed that the portable terminal according to the second embodiment of the present invention has a first display unit on the front of the terminal, a second display unit on the rear, and a camera installed on the rear surface.

1 and 3, the controller 170 outputs an image through the screen of the first display unit in the image output mode (S210). The video output mode may be a digital broadcast output mode or a video output mode stored in the mobile terminal 100, and the multimedia processing unit 120 may independently perform the video output mode.

The controller 170 checks whether the video call is received from the other terminal to the call transmission and reception unit 190 during the video output (S215).

When the video call is received, the controller 170 alerts the incoming call (S220). The controller 170 may alarm the incoming call of the video call by text or voice.

The controller 170 checks the incoming call of the call, and checks whether a call key for the incoming call connection is input (S225).

The controller 170 connects the incoming call when the call key is input (S230).

When the call is connected, the controller 170 checks whether the simultaneous output function of the video output screen and the video call screen is set (S235). The simultaneous output function may be preset by the user of the mobile terminal 100.

If the simultaneous output function is not set, the controller 170 performs a general video call (S240).

On the other hand, the control unit 170, if the simultaneous output function is set as a result of the check, the second display unit screen located on the same plane as the camera 110, the image output through the first display unit screen and the image transmitted from the counterpart terminal A video call is performed while simultaneously outputting the data (S260). At this time, when the controller 170 simultaneously outputs the image and the image, the control unit 170 displays the image as the main screen and the image as the sub-screen using a picture-in-picture method as shown in FIGS. 5A and 5B. It is preferable to output. In addition, the controller 170 may output an image output on the sub-screen as a main screen or output an image output on the main screen as a sub-screen according to a user's request. One of them may be controlled to output a full screen.

When the incoming call is connected, the control unit 170 pauses output of the image through the screen of the first display unit and re-outputs the paused image through the first display unit when the video call is finished. It is desirable to control.

On the other hand, the controller 170 checks whether a predetermined predetermined key is input when the call key is not input when the video call is received (S245). The predetermined key may be any one of the keys provided in the key input unit 140, or may be provided separately.

If a predetermined key is input in advance, the controller 170 connects the incoming call (S250).

When the incoming call is connected, the controller 170 performs a video call while simultaneously outputting the image output through the first display unit screen and the image transmitted from the counterpart terminal on the second display unit screen (S260). In this case, it is preferable that the controller 170 temporarily stops outputting an image through the screen of the first display unit.

4A and 4B are flowcharts illustrating a video call service performing process of a mobile terminal according to a third embodiment of the present invention. It is assumed that the portable terminal according to the third embodiment of the present invention is a portable terminal having a display unit and a camera on the front and rear surfaces of the terminal, respectively. That is, it is assumed that the portable terminal has a first display unit and a first camera on the front side and a second display unit and the second camera on the rear side.

4A and 4B will be described with reference to FIG. 1.

The controller 170 outputs an image through the screen of the first display unit provided in the front of the terminal in the image output mode (S310). The image output mode may be independently performed by the multimedia processing unit 120.

The controller 170 checks whether the video call received from the counterpart terminal is received by the call transmission / reception unit 190 during the video output (S320).

When the video call is received, the controller 170 alerts the incoming call (S330). The controller 170 may alarm an incoming call of the call by text or voice.

The controller 170 checks the incoming call of the call, and then checks whether a call key for the incoming call connection is input (S340).

The controller 170 connects the incoming call when the call key is input (S230).

When the call is connected, the controller 170 checks whether the simultaneous output function of the video output screen and the video call screen is set (S360). The simultaneous output function may be preset by the user of the mobile terminal 100.

If the simultaneous output function is not set as a result of the check, the controller 170 performs a general video call (S380).

On the other hand, if the simultaneous output function is set as a result of the check, the controller 170 performs a video call while outputting an image transmitted from the counterpart terminal to a predetermined area of the image output screen output through the first display unit screen ( S370). When the controller 170 outputs the image transmitted from the counterpart terminal to a predetermined area of the image output screen, the controller 170 uses the picture-in-picture method to display the output image as the main screen and the image transmitted from the counterpart terminal to the subscreen. It is preferable to output. In this case, the controller 170 may output an image output on the sub-screen as a main screen or output an image output on the main screen as a sub-screen according to a user's request. One of the screens may be controlled to output in full screen.

In addition, if the call key is not input in step S340, the controller 170 checks whether a display unit provided on the front or rear side of the terminal is selected according to a predetermined key input (S410). For example, the user may select a display unit provided on the front or rear surface by using a direction key, a volume key, or a key provided separately, and the controller 170 may allow the user to select the display unit provided on the front or rear surface. You can also create and print a screen. If the specific display unit is not selected by the user, the controller 170 proceeds to step S330 for alarming the call.

The controller 170 checks whether the selected terminal is a display unit provided on the front of the terminal when the display unit of the display unit provided on the front or rear surface is selected by the user's selection (S420). That is, the controller 170 proceeds to step S370 when the selected display unit is a display unit on which an image is output in the image output mode, that is, a display unit provided in the front of the terminal.

The controller 170 checks whether the selected display unit is a display unit provided in the rear of the terminal in step S420 (S430).

If the selected display unit is a display unit provided at the rear of the terminal, the controller 170 performs a video call while simultaneously outputting an image being output from the display unit provided at the front of the terminal and an image transmitted from the counterpart terminal to the display unit provided at the rear side. (S440).

On the other hand, the control unit 170 is a display unit provided on the rear of the mobile terminal when the selected display unit is connected to the video call call received during video output through the display unit screen provided on the front of the terminal, through the display unit screen provided on the front It is preferable to pause the output of the video and to re-output the paused output of the video through the display unit screen provided on the front side.

In the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined not only by the claims but also by the equivalents of the claims.

As described above, the present invention may output a video screen or a broadcast screen together with a video call screen during a video call with a counterpart terminal during video or digital broadcast output, so that a user may perform a video call with the other party while watching a video or digital broadcast. Can be.

Claims (23)

delete delete delete delete delete delete delete In the method of performing a video call service of a mobile terminal having a first display on the front, a second display on the back and the camera is installed on the back, Outputting an image through the screen of the first display unit in an image output mode; Alarming the incoming call when the video call is received from the other terminal during the video output; And when the call is connected, simultaneously performing a video call while simultaneously outputting the output video and the image transmitted from the other party's terminal on the screen of the second display unit installed on the same side as the camera. How to do it. The method of claim 8, And the video output mode is a digital broadcast output mode or a video output mode stored in the mobile terminal. The method of claim 8, wherein the video call is performed. Connecting the call when a call key is input; Determining whether a simultaneous output function of a video output screen and a video call screen is set when the call is connected; And performing the video call while simultaneously outputting the video being output and the image transmitted from the counterpart terminal on the screen of the second display unit when the simultaneous output function is set. The method of claim 8, wherein the video call is performed. Connecting the call if there is a predetermined key input; And when the call is connected, simultaneously performing a video call while simultaneously outputting the video being output and the image transmitted from the counterpart terminal to which the call is connected to the screen of the second display unit. The method of claim 8, wherein the video call is performed. And outputting the video being output to the main screen when the call is connected, and outputting the video transmitted from the counterpart terminal to the sub-screen. The method of claim 12, And performing a video call service of the mobile terminal according to a user's request, outputting the image output on the sub screen to the main screen and outputting the image output on the main screen to the sub screen. Way. The method of claim 12, The method according to claim 1, further comprising the step of outputting the main screen or the sub-screen in full screen. The method of claim 8, wherein the video call is performed. Pausing the video output through the screen of the first display unit when the call is connected; And re-outputting the image of which the output is paused through the first display unit when the video call is ended. In the video call service method of the mobile terminal having a display unit and a camera on the front and rear, respectively, Outputting an image through a display screen provided on the front side in an image output mode; Alarming the incoming call when the video call is received from the other terminal during the video output; And when the call is connected, performing a video call while simultaneously outputting the video being output and the image transmitted from the counterpart terminal on the display unit screen selected by the user from among the display units provided at the front or rear side. To perform a video call service. The method of claim 16, And the video output mode is a digital broadcast output mode or a video output mode stored in the mobile terminal. 17. The method of claim 16, wherein performing a video call Connecting the call when a call key is input; Determining whether a simultaneous output function of a video output screen and a video call screen is set when the call is connected; And performing the video call while simultaneously outputting the output video and the image transmitted from the counterpart terminal on the selected display unit screen when the simultaneous output function is set. 17. The method of claim 16, wherein performing a video call Connecting the call when one of the display units provided on the front or the rear of the portable terminal is selected according to a predetermined key input after alarming the call; And when the call is connected, simultaneously performing a video call while simultaneously outputting the output video and the image transmitted from the counterpart terminal to which the call is connected to the selected display unit screen. 17. The method of claim 16, wherein performing a video call And when the call is connected, output the video being output as the main screen to the selected display unit screen, and output the image transmitted from the counterpart terminal to the sub-screen. The method of claim 20, And performing a video call service of the mobile terminal according to a user's request, outputting the image output on the sub screen to the main screen and outputting the image output on the main screen to the sub screen. Way. The method of claim 20, The method according to claim 1, further comprising the step of outputting the main screen or the sub-screen in full screen. 17. The method of claim 16, wherein performing a video call When the selected display unit is a display unit provided on the rear side of the portable terminal when the call is connected, pausing the output of the image through the display unit screen provided on the front surface; And re-outputting the video whose output is paused through the display unit screen provided on the front surface when the video call is finished.

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