KR20110027478A - Mobile terminal and control method thereof - Google Patents

Abstract

PURPOSE: A mobile terminal and a control method thereof by using a multimedia function are provided to make a call in a state that a camera function is not terminated. CONSTITUTION: A first control unit(111) controls a function related to a telephone call. A second control unit(121) controls a multimedia function such as a camera. A relaying module(130) transfers necessary information between first and second control units. The second control unit controls to continuously take a photograph of an image while making a call.

Description

Mobile terminal and its control method {MOBILE TERMINAL AND CONTROL METHOD THEREOF}

The present invention relates to a mobile terminal and a control method thereof, which enable the simultaneous use of a telephone call function and a multimedia function such as a camera.

Terminal can move And can be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal may be further classified into a handheld terminal and a vehicle mount terminal according to whether a user can directly carry it.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. . In order to support and increase the function of such a terminal, it may be considered to improve the structural part and / or the software part of the terminal.

Conventionally, in order to make a phone call, the multimedia function had to be terminated. In particular, when receiving or transmitting a call while using the camera function, the camera function must be forcibly terminated.

An object of the present invention is to provide a mobile terminal and a method of controlling the same, which enable simultaneous use of a telephone call function and a multimedia function.

Another object of the present invention is to provide a mobile terminal and a control method thereof capable of performing a telephone call without terminating a camera function.

Another object of the present invention is to provide a mobile terminal and a method of controlling the same, which can continuously operate a camera function even during a phone call.

Another object of the present invention is to provide a mobile terminal and a control method thereof capable of simultaneously displaying telephone call information and operation information of a multimedia function.

In addition, the present invention is to provide a mobile terminal and a control method thereof that can display the operation information and the phone call information of the multimedia function by overlaying.

A mobile terminal according to an embodiment of the present invention for realizing the above object comprises a first control unit for controlling a function related to a telephone call, a second control unit for controlling a multimedia function such as a camera, and between the first and second control units. It is configured to include an intermediary module for delivering the necessary information, the second control unit controls to continue to shoot the image even during the phone call.

In addition, the present invention for realizing the above object is to take a specific video and output the guided image when the incoming call while the incoming call outputs a message related to the incoming call, according to the guide message to the incoming call Even when the output of the image is stopped for receiving, the image is continuously photographed.

The mobile terminal according to at least one embodiment of the present invention configured as described above can use the telephone call function and the multimedia function at the same time, and in particular, can perform the telephone call without ending the camera function.

In addition, the present invention is configured as described above can continue to operate the camera function during the phone call and to display the phone call information on the operation information of the camera function to be displayed at the same time.

Hereinafter, a mobile terminal according to the present invention will be described in more detail with reference to the accompanying drawings. The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other.

1 is a block diagram of a mobile terminal 100 according to an embodiment of the present invention.

The mobile terminal 100 includes a communication unit 110, a utility unit 120, an intermediary module 130, a user interface 140, an interface unit 150, a sensing unit 160, a power supply unit 170, and the like. It may include.

The components shown in FIG. 1 are not essential, so that a mobile terminal having more or fewer components may be implemented. The utility unit 120 is a unit that performs functions other than a phone call function, for example, a camera unit for capturing an image, or a unit related to functions such as music playback, broadcast viewing, and web browsing.

With respect to the utility unit 120, the camera unit will mainly be described in the present specification. In this case, the communication unit 111 and the camera unit 120 may be referred to as a communication block or an imaging block, respectively, in a circuit.

First, the communication unit 111 includes a control unit 111, a wireless communication module 112, a power supply unit 113, and a memory 114. The control unit 111 controls the operation of the wireless communication module 112, the wireless communication module 112 is a network between the mobile terminal 100 and the wireless communication system or the mobile terminal 100 and the mobile terminal 100 is located. Enables wireless communication between

The wireless communication module 112 may include, for example, a broadcast receiving module, a mobile communication module, a wireless internet module, a short range communication module, or a location information checking module. The controller 111 allows the wireless communication module 112 to operate in a first mode capable of receiving information only or a second mode capable of transmitting information. Specifically, in the second mode, information reception is also possible, and functions such as transmission / reception of information and functions of the utility unit 120 and other functions such as schedule management, screen setting, ring setting, etc. are additionally implemented. May be

The power supply unit 113 determines whether or not the power supplied from the power supply unit 170 is provided to the wireless communication module 112 through the intermediary module 130. The memory 114 may store information received through the wireless communication module 112 or information related to the operation of the controller 111.

Next, the camera unit 120 includes a controller 121, a camera module 122, a power supply unit 123, and a memory 124. The controller 121 controls the activation of the camera module 122 and the like. The control unit 121 operates independently of the control unit 111 of the communication unit 111. For convenience, the control unit 111 is called a first control unit 111 and the control unit 121 is called a second control unit 121. The camera module 122 processes image frames such as still images or moving images obtained by the image sensor in a video call mode or a photographing mode. The image frame processed by the camera module 122 may be stored in the memory 124 or transmitted to the outside by the operation of the wireless communication module 112 via the intermediary module 130.

The power supply unit 124 activates or deactivates the camera module 122 by the power supplied by the power supply unit 170 via the intermediary module 130. Memory 124 {and memory 114} may be a flash memory type, a card type of memory (e.g., SD or XD memory, etc.), RAM, EEPROM (Electrically Erasable Programmable Read-Only). Memory) may be at least one type of storage medium. Alternatively, the function of the memory 114, 124 may be replaced by a web storage that performs data storage on the Internet.

The intermediary module 130 connects the communication unit 111 and the camera unit 120 in a circuit to enable communication between them. When the wireless communication module 112 receives the information by the control unit 111 of the communication unit 111 while the camera module 122 is operated by the control unit 121 of the camera unit 120, It is transmitted to the control unit 121 via the mediation module 130. In the case where the communication unit 111 and the camera unit 120 operate at different power levels, the intermediary module 130 may include an adjusting circuit for matching signals between the above different power levels.

The user interface 140 may operate in association with the communication unit 111 or the camera unit 120 through the intermediary module 130. The user interface 140 is controlled by the unit having control of the communication unit 111 and the camera unit 120. For example, when the wireless communication module 112 receives information by the control unit 111 of the communication unit 111 while the camera module 122 is operated by the control unit 121 of the camera unit 120, The information is output by the user interface 140 under the control of the control unit 121 rather than the control unit 111.

The user interface 140 may include an output unit 141 for generating an output related to sight, hearing, or tactile sense, a user input unit 146 for receiving information (command, signal) by a user's operation, and a sound input. Microphone 147 for receiving, and the like.

The output unit 141 may include a display unit 142, a sound output module 143, an alarm unit 144, and a haptic module 145.

The display unit 142 displays (outputs) information processed by the mobile terminal 100. The display unit 142 may include at least one of a display such as a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), and the like. Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparant OLED).

The rear structure of the display unit 142 may also be configured as a light transmissive structure. By this structure, the user can see the object located behind the electronic device through the area occupied by the display unit 142. When the display unit 142 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 142 may be configured in addition to an output device. It may also be used as an input device (user input unit 146).

The display unit 142 may display various types of visual information. These pieces of information can be displayed in the form of letters, numbers, symbols, graphics, or icons. In order to input such information, at least one of the letters, numbers, symbols, graphics, or icons may be displayed in a predetermined arrangement so as to be implemented in the form of a keypad. Such a keypad may be called a so-called " soft key ".

The sound output module 143 may output sound data received from the wireless communication module 112 or stored in the memories 114 and 124. The sound output module 143 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 144 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events generated in the mobile terminal 100 include call signal reception, message reception, key signal input, and touch input. The alarm unit 144 may output a signal for notifying occurrence of an event by vibration, in addition to a video signal or an audio signal. The video signal or the audio signal may be output through the display unit 142 or the audio output module 143, so that they 142 and 143 may be classified as part of the alarm unit 144.

The haptic module 145 generates various tactile effects that a user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 145. The intensity and pattern of vibration generated by the haptic module 145 can be controlled. For example, different vibrations may be synthesized and output or may be sequentially output. In addition to the vibration, the haptic module 145 may also have various tactile sensations such as a pin array vertically moving with respect to the contact skin surface, a jetting force or suction force of air through the injection or inlet, grazing to the skin surface, and the effect of contact with the electrode. Can produce effects.

The user input unit 146 enables a user to input a command (signal, information) for controlling the operation of the electronic device. The user input unit 146 may include a key pad, a dome switch, a touch pad (constant voltage / capacitance), a jog wheel, a jog switch, and the like.

The microphone 147 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The processed voice data may be converted into a form transmittable to the mobile communication base station through the wireless communication module 112 and output in the call mode.

The interface unit 150 serves as a path with all external devices connected to the mobile terminal 100. The interface unit 150 receives data from an external device, receives power, transfers the power to each component inside the mobile terminal 100, or transmits data inside the mobile terminal 100 to an external device. For example, wired / wireless headset ports, external charger ports, wired / wireless data ports, memory card ports, ports for connecting devices with identification modules, audio input / output (I / O) ports, The video input / output (I / O) port, the earphone port, and the like may be included in the interface unit 150. The interface unit 150 may include a card socket 151 (see FIG. 3C) for accommodating the external card 520.

The identification module is a chip that stores various types of information for authenticating the use authority of the mobile terminal 100 and may include a user identification module (UIM), a subscriber identification module (SIM), and the like. . Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Therefore, the identification device may be connected to the mobile terminal 100 through a port.

When the mobile terminal 100 is connected to an external cradle, the interface unit 150 serves as a passage through which power from the cradle is supplied to the mobile terminal 100, or various commands input by the user from the cradle. It may be a passage through which a signal is transmitted to the mobile terminal 100. Various command signals or power input from the cradle may be signals for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The sensing unit 160 may be a mobile terminal 100 such as an open / closed state of the mobile terminal 100, a location of the mobile terminal 100, a presence or absence of a user contact, an orientation of the mobile terminal 100, an acceleration / deceleration of the mobile terminal 100, or the like. The current state of the sensor 100 is detected to generate a detection signal for controlling the operation of the mobile terminal 100. For example, whether the power supply unit 170 is supplied with power or whether the interface unit 150 is coupled with an external device may be detected.

The power supply unit 170 receives external power and internal power by the control of the intermediary module 130 to supply power required for the operation of each component.

Various embodiments described herein may be implemented in a recording medium readable by a computer or similar device using, for example, software, hardware or a combination thereof.

According to a hardware implementation, the embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions. The described embodiments may be implemented by the first control unit 111 and the second control unit 121 itself.

The user interface 140, the interface unit 150, and the sensing unit 160 are connected to and controlled by any one of the communication unit 111 and the camera unit 120 through the intermediary module 130.

For example, when the display unit 142 is outputting a screen to be photographed in relation to the control unit 121 of the camera unit 120, the control unit 111 of the communication unit 111 is the intermediate module 130 Through the display unit 142 to notify that there is content to output. The controller 121 notified of this controls the display unit 142 to output the above contents.

Unlike the memories 114 and 124 used independently by the communication unit 111 and the camera unit 120, respectively, an external memory card (not shown) mounted in the external memory socket 151 is accessed by all of them ( acess) is configured to be possible. For example, image information stored in an external memory card (not shown) by the controller 121 may be transmitted to the outside by the controller 111.

Hereinafter, embodiments related to a control method that can be implemented in a terminal configured as described above will be described with reference to the accompanying drawings. Embodiments described later may be used alone or in combination with each other. In addition, embodiments described below may be used in combination with the above-described user interface (UI).

In general, in order to make a phone call (for example, call / call) by using a mobile terminal, all other functions executed in the mobile terminal have to be terminated. For example, in order to make a phone call (e.g., receive a phone call) while using a camera function (e.g., take a video, take a still image), you had to exit the camera mode. In other words, all other multimedia functions have been suspended or terminated in the related art.

However, the present invention uses the first control unit 111 for controlling the phone call function and the second control unit 121 for controlling the multimedia function at the same time to make a phone call while using a multimedia function (eg, a camera function). Make it work.

2 is a flowchart illustrating an example of a method for controlling a mobile terminal according to the present invention.

As shown in the drawing, it is assumed that the camera menu is in an operating state. That is, as the camera menu is executed, it is assumed that the second controller 121 controls the camera module 122 to capture a moving image or a still image (S101). In this case, the captured video or still image may be output to the display unit 142 through a mediation module (S102).

When a call is received while the camera menu (or camera function) is operating as described above (YES in S103), the first controller 111 may detect the incoming call. Then, a guide message related to the incoming call may be output (S104). In this case, the guide message may be output to the display unit 142 through the intermediary module 130 and may be output together with the image (eg, still image, video) that has been previously output. Here, the incoming call includes a voice call and a VT call.

As in the present exemplary embodiment, either of the first control unit 111 or the second control unit 121 may have the initiative according to an operation state of the mobile terminal having two control units. For convenience, in the present embodiment, it is assumed that the second control unit 121 has initiative. However, the first control unit 111 may have initiative, or one of the controllers may operate independently without having any initiative.

Therefore, when outputting a guide message related to an incoming call in the state of outputting the image being shot in the camera mode as described above, the first control unit 111 through the intermediary module 130, the second control unit having the initiative ( Information related to the incoming call can be transmitted to < RTI ID = 0.0 > 121 < / RTI >

Accordingly, the second control unit 121 receiving the information related to the incoming call may output the overlaying the information related to the incoming call to the video or still image being photographed. For example, a guide message indicating that a call is received may be output on a preview screen of the camera. In this case, the guide message may include a selection button asking the user whether to receive an incoming call. When the user selects a call reception button (eg, YES button) among the selection buttons (YES in S105), the first control unit 111 receives an incoming call (S106). That is, the first control unit 111 connects a phone call. However, if the user selects a call rejection button (eg, a NO button) among the selection buttons, the incoming call is rejected.

The guide message may be displayed in a translucent manner. In this case, the transparency may be changed according to a user's selection. Accordingly, the user can see the preview image even when the guide message is displayed.

When the user inputs the call rejection button as described above, the first control unit 111 blocks the call connection. The second controller 121 outputs the preview image to the display unit 142 (S108). Meanwhile, when the user inputs a call reception button, the first controller 111 may receive an incoming call and output information related to the received call (S107). Therefore, the user can make a phone call with the other party to which the call is connected. Information related to the incoming call may be output by overlaying the preview image.

Here, the information related to the incoming call includes information registered in the phone book such as call time, caller number, caller nickname, wallpaper, or caller picture.

3A to 3C are diagrams of a first embodiment for explaining a control method of a mobile terminal according to the present invention.

As shown in FIG. 3A, it is assumed that the camera module 122 of the mobile terminal operates under the control of the second controller 121. That is, the second controller 121 may output an image input using the camera module 122 as the preview image 310 through the display unit 142.

As described above, it is assumed that a voice call or a video call is received when the image input through the camera module 122 is output as the preview image 310. Accordingly, the first control unit 111 may output the information related to the incoming call to the second control unit 121 via the intermediary module 130. In this case, the first control unit 111 or the second control unit 121 may generate a guide message using information related to the incoming call.

If it is assumed that the second control unit 121 has the initiative, the second control unit 121 may output the generated guide message to the output unit 141. For example, if the guide message is composed of text, the guide message may be output through the display unit 142. And if the guide message is composed of a voice may be output through the sound output module 143. In addition, the guide message may be output along with an alarm signal through the alarm unit 144 so that the user can easily recognize the incoming call.

When outputting the guide message through the display unit 142, the second control unit 121 may output the guide message by overlaying the guide message on the preview image. The overlaid guide message may be displayed in the center of the screen or may be displayed on one side of the screen. Meanwhile, the overlaid guide message may include a background 320, a message content 330, and a selection button 340.

In addition, the background 320 of the guide message may be adjusted in color, transparency, or size, and the font, color, transparency, or display method of the message content 330 displayed thereon as the size of the background is adjusted as described above. Can also be changed. For example, the background position of the guide message may be fixedly displayed on the preview image or may be displayed in a band shape on one side of the screen. Accordingly, the contents of the guide message may also be displayed to scroll in one direction (eg, up, down, left, right).

The content of the message in the guide message may be a guide for informing that the call has been received and may include content for asking whether to receive the received call. The selection button is a button for selecting whether to receive or reject the incoming call. The display unit 142 may be configured as a touch pad. Therefore, the user may touch any one of the selection buttons (eg, YES, NO). Alternatively, any one of the selection buttons may be selected using a specific button provided in the mobile terminal.

When the user selects a call reception button (eg, YES) among the selection buttons, the second controller 121 deletes the guide message. The first control unit 111 receives the incoming call. In addition, the first control unit 111 may transfer information related to the received call to the second control unit 121 through the intermediary module 130.

Accordingly, the second controller 121 may output information related to the received call to the display unit 142. As shown in FIG. 3B, the second control unit 121 may output the preview image by overlaying information related to the received call on a preview image, and as shown in FIG. 3C, the screen on which the preview image is output. Splitting may output a preview image on one side and output information related to the received call on the other side. The information related to the incoming call may be information registered in a call time or a phone book.

Meanwhile, when the user selects a call rejection button (eg, NO) among the selection buttons, the second controller 121 deletes the guide message. In addition, the first control unit 111 rejects the incoming call. Accordingly, the second control unit 121 may output only the preview image to the display unit 142.

As described above, the present invention does not need to terminate the camera function even when a call is received while using the camera function. That is, the conventional multitasking must terminate the camera function in order to make a phone call, but the present invention can use the camera function and the phone call function at the same time. The user may use the speakerphone call or the earphone to make a phone call while using the camera function as described above. In addition, in the above-described embodiment, the second control unit 121 has been described as having the initiative, but according to the situation, the initiative may be changed to the first control unit 111. For example, when executing a camera function during a phone call, the first control unit 111 may continue to take the initiative.

In addition, in the above embodiment, only the camera function among the multimedia functions has been described. However, since the present invention uses dual processors (for example, the first controller and the second controller), one processor performs a phone call operation and the other processor Can execute one of the multimedia functions.

4A and 4B are diagrams of a second embodiment for explaining a control method of a mobile terminal according to the present invention.

As shown in FIG. 4A, it is assumed that the wireless communication module 112 of the mobile terminal operates under the control of the first control unit 111. That is, it is assumed that the first control unit 111 is using the wireless communication module 112 to make a phone call with an arbitrary counterpart. As described above, when making a phone call using the wireless communication module 112, the first controller 111 may display the received telephone information 510 on the display unit 142.

In this case, when the user executes the camera function, the second controller 121 uses the intermediary module 130 to provide information related to the camera function (eg, menus related to the camera) 530 with the first controller ( 111). Here, the menus 530 related to the camera may extract and output camera menu information stored in the memory 160 from the first control unit 111 or the second control unit 121.

In this embodiment, it is assumed that the first control unit 111 has the initiative.

Accordingly, the first control unit 111 may output the menu information extracted from the memory 160 to the output unit 141. For example, the first control unit 111 may display the menu information using the text or graphic UI. The user may select one of the menus, for example, the menus may include menus such as camera shooting, photo album, video album, or photo file transfer. The user may select any one of the menus by touching or moving the cursor.

When the menus 530 related to the camera are output through the display unit 142, the first controller 111 may overlay the menus related to the camera on the information 540 related to the incoming call and output the same. have. The menus may be displayed at the center of the screen or may be displayed at one side. The overlaid menus may include a background portion 520 and a menu item 530. Here, the background portion 520 may be adjusted in color, transparency, or size, and the font, color, transparency, or display method of the menu items 530 displayed on the background may also be changed. Here, a button (for example, a confirmation button or a selection button) for selecting the menu items may be additionally displayed.

Meanwhile, the second control unit 121 may transfer the image file selected from the still image, the moving image, or the album photographed using the camera to the first control unit 111 through the intermediary module 130. Accordingly, the first control unit 111 may transmit the received image file to the counterpart in the current call using the wireless communication module 112.

The first control unit 111 may output information related to a phone call currently on the display unit 142. The second controller 121 may control the camera module 122 to output a preview image or an image selected from an album.

The first control unit 111 may divide the screen as shown in FIG. 4B to simultaneously display the video selected from the preview image or the album and information related to a call currently in communication. Accordingly, a preview image or a selected image 550 may be output to one screen, and information 510 related to a current call may be output to the other screen.

As described above, the present invention may execute a camera function even during a phone call, and may select one of an image currently photographed or a previously photographed image from the camera and transmit the selected function to a counterpart currently in the call. That is, the present invention can use the camera function and the telephone call function at the same time. Meanwhile, in the above embodiment, the controller having the initiative may be referred to as a master, and the controller without the initiative may be referred to as a slave.

In the above, preferred embodiments of the present invention have been described with reference to the accompanying drawings.

Here, the terms or words used in the present specification and claims should not be construed as being limited to ordinary or dictionary meanings, but should be construed as meanings and concepts corresponding to the technical spirit of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all of the technical idea of the present invention, which can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.

1 is a block diagram of a mobile terminal associated with one embodiment of the present invention;

2 is a flowchart illustrating an example of a method for controlling a mobile terminal according to the present invention;

3A to 3C are diagrams of a first embodiment for explaining a control method of a mobile terminal according to the present invention;

4A and 4B are diagrams of a second embodiment for explaining a control method of a mobile terminal according to the present invention;

Claims (14)

Photographing a specific image; Outputting the photographed image; Outputting a guide message related to the incoming call when the incoming call is received while the image is taken; And continuously photographing the image even when the output image is stopped to receive the incoming call. The method of claim 1, wherein the output of the image is not stopped. And outputting information related to the received telephone at the same time as an image. The method of claim 1, wherein photographing the image comprises: A control method of a mobile terminal, characterized in that the shooting is continued without interruption even when a call is received or received or a call is made. The method of claim 1, wherein when the output of the image is stopped, And when the received telephone call ends, outputting the image from the stopped point continuously. The method of claim 1, wherein the video recording and phone call, Control method of a mobile terminal, characterized in that configured to run under the control of a separate processor provided in the mobile terminal. The method of claim 1, wherein the guide message, Control method of a mobile terminal, characterized in that the output is made with a voice or alarm signal. The method of claim 2, wherein the specific video and guidance message, And dividing the screen to output a guide message to one side and an image to the other side. A first control unit controlling a function related to a telephone call; A second control unit controlling a multimedia function such as a camera, And a mediation module for transferring necessary information between the first and second control units, wherein the second control unit controls to continue capturing an image even during the telephone call. The method of claim 8, wherein the second control unit, If the output of the video is not stopped, the mobile terminal characterized in that the control to output the information associated with the call in parallel with the video. The method of claim 8, wherein the second control unit, The mobile terminal, characterized in that for controlling the output received by overlaying the information received from the first controller on the image being photographed. The method of claim 8, wherein the second control unit, The mobile terminal, characterized in that for splitting the screen to output the information received from the first control unit to one side, and to output the image being photographed to the other side. The method of claim 8, wherein the second control unit, And control to continue shooting the image even when the output of the image is stopped for the telephone call. The method of claim 8, wherein the second control unit, A mobile terminal, characterized by controlling to continue shooting without interruption even when a call is received or received or a call is made. The method of claim 8, wherein the second control unit, When the output of the video is stopped for the telephone call, the mobile terminal, characterized in that to control to output the video from the stopped point again when the telephone call is terminated.

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