JP5449877B2 - Video display device, program, and recording medium - Google Patents

Description

  The present invention relates to a video display device including a plurality of units, a program, and a recording medium.

  In recent years, there has been an increasing demand among viewers to view another video on the same screen while watching a broadcast program. Against this background, various techniques for displaying video other than broadcast programs using a sub-screen have been proposed.

  Patent Document 1 discloses a video display device that simultaneously displays a television screen and a browser screen obtained by connecting to the Internet on a display.

  Patent Document 2 discloses a personal computer with a TV function that allows a user to view a digital broadcast at a high resolution in a short time and to seamlessly select a user's TV / PC function.

  In Patent Document 3, a TV or a recorded program can be viewed without increasing the load on the PC, and a TV image by overlay display can be displayed on a small screen at an arbitrary position on the PC monitor during PC work. Even if the work area and the overlay area of the TV overlap and the operability deteriorates, the work area can be moved to any position and changed to any size, greatly improving operability. An image processing apparatus that can be used is disclosed.

  Patent Document 4 discloses an image output device that includes a TV power button and a PC power button individually in the main body, and switches between a TV function and a PC function by a mode switching button provided on an operation panel. Has been.

  Patent Document 5 discloses a television receiver having an Internet connection function that displays a television image on a television display unit and a user interface of an Internet browser.

JP 2008-072222 A (publication date: April 3, 2008) JP 2003-244474 A (publication date: November 9, 2006) JP 2008-65218 A (publication date: November 29, 2007) JP 2005-303935 A (publication date: October 27, 2005) WO 2007/004371 (publication date: January 11, 2007)

  However, the above-described prior art has the following problems.

  In the technique of Patent Document 1, the browser function is realized in the television apparatus. In this configuration, the software and hardware of the television device are poor compared to those of the computer, so that only limited services can be processed. In particular, since services provided through the Internet are evolving day by day, the technology of Patent Document 1 cannot cope with a large number of services that require a large processing load, such as an online game and a video reproduction service. As a result, only a few services can be provided to the user. The technique of Patent Document 2 has a similar problem.

  In the technique of Patent Document 3, a television screen and a PC screen are mixedly displayed by connecting a television and an external PC. In this technique, since two separate devices are connected to each other, wiring and the like are complicated. As a result, the installation and carrying of the apparatus becomes troublesome. Further, since the television broadcast processing and the computer processing operate independently of each other, they must be operated by separate operation devices. Moreover, it is difficult to realize the cooperation between the two.

  In the technique of Patent Document 4, since the power button of the TV tuner and the power button of the PC are provided separately, in order to use the PC while the user is watching TV, the user needs to turn on the PC. You must turn it on and wait for the PC to start up. In general, since it takes time for the PC to start up, dissatisfaction occurs when the user wants to use the PC immediately.

  In the technique described in Patent Document 5, an Internet function is used by using a TV remote control or the like, and the range that can be operated is limited. Even when the user does not use the Internet function, the Internet browser Since the user interface is displayed, the power for operating the unused function is wasted.

  As described above, in the techniques described in Patent Documents 1 to 5, the affinity between two different units is low, and two different units cannot be operated in an efficient manner by operating one unit. Moreover, since the user cannot easily grasp the operation modes of the two different units, usability is low.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a video display device, a program, and a recording medium that have improved affinity between two different units and improved usability. .

  An image display device according to the present invention includes a first unit that processes a first image and a second unit that processes a second image, wherein the first unit displays the first image. Displaying first video generation means for generating; video receiving means for receiving the second video transmitted from the second unit; and displaying at least one of the first video and the second video Video display means for receiving, operation mode receiving means for receiving the operation mode information transmitted from the second unit and indicating the operation mode of the second unit, and the operation mode receiving means for receiving the operation mode information. Control information transmitting means for transmitting control information for controlling the generation of the second video to the second unit based on the received operation mode information, the second unit comprising: Control information receiving means for receiving the control information transmitted from the first unit, second video generating means for generating the second video based on the received control information, and the second Video transmission means for transmitting video to the first unit and operation mode transmission means for transmitting the operation mode information to the first unit are provided.

  According to the above configuration, in the video display device, the first unit and the second unit operate in cooperation with each other through the control information. The first unit has, for example, a television function, while the second unit has, for example, a computer function. In the video display device, the video display means displays the first video generated by the first unit and the second video generated by the second unit. Here, the first unit receives the operation mode information indicating the operation mode of the second unit transmitted from the second unit, and controls the generation of the second video based on the operation mode information. Control information is transmitted to the second unit. Then, the second video generation means generates a second video based on this control information.

  That is, since the operation mode of the second unit is monitored in the first unit and the video generated based on the operation mode of the second unit is displayed, the user can easily grasp the operation mode of each of the two different units. Thus, the user operability can be improved. In addition, the affinity between two different units can be increased, and the two units can be operated in cooperation by operating the first unit.

  Further, in the video display device according to the present invention, the operation mode transmission means is a first operation indicating that an operation input for operating the second unit from a user is not received for a predetermined time as the operation mode information. The mode information is transmitted to the first unit, and the control information transmitting means indicates that the second unit is in a standby state when the operation mode receiving means receives the first operation mode information. Information for generating a video as the second video is preferably transmitted to the second unit as the control information.

  According to the above configuration, the second unit notifies the first unit that the operation mode of the second unit is in the standby state, and the first unit is in the standby state of the second unit. Based on this, the generation of the second video is controlled. That is, the first unit transmits control information for generating a video indicating that the second unit is in a standby state as the second video to the second unit. The video display means displays a video generated by the second unit and indicating that the second unit is in a standby state as a second video. Thereby, the user can easily grasp that the second unit is in the standby state, and the operability of the user can be improved.

  In the video display device according to the present invention, the operation mode transmission means operates the second unit from a user for a predetermined time after transmitting the first operation mode information to the first unit. Second operation mode information indicating that an operation input is not received is transmitted to the first unit as the operation mode information, and the control information transmission unit is configured such that the operation mode reception unit is configured to transmit the first operation mode information. When receiving the second operation mode information after receiving the mode information, information for generating a video indicating that the second unit is in a dormant state as the second video is used as the control information. It is preferable to transmit to the second unit.

  According to the above configuration, the second unit notifies the first unit that the operation mode of the second unit is in the dormant state, and the first unit is in the dormant state. Based on this, the generation of the second video is controlled. That is, the first unit transmits control information for generating a video indicating that the second unit is in a dormant state as the second video to the second unit. Then, the video display means displays the video generated by the second unit and indicating that the second unit is in the dormant state as the second video. Thereby, the user can easily grasp that the second unit is in the dormant state, and the operability of the user can be improved.

  In the video display device according to the present invention, the video display means may display the second video and the first video so that at least one of display size, luminance, and color scheme is different. preferable. Furthermore, in the video display device according to the present invention, it is preferable that the video display means displays the second video after blurring. Furthermore, in the video display device according to the present invention, it is preferable that the video display means displays the second video around the first video.

  According to the above configuration, since the video display means displays the first video and the second video in different display formats, the user can more easily understand the operation mode of the second unit. is there. Further, since the second video only needs to be displayed so that the operation mode of the second unit can be grasped, the power consumed in the video display device is reduced by displaying the second video in a display format that can be displayed with power saving, for example. can do.

  In the video display device according to the present invention, it is preferable that the video display means displays a video including a character string indicating that the second unit is in a standby state as the second video. Furthermore, in the video display device according to the present invention, it is preferable that the video display means displays a video including a character string indicating that the second unit is in a dormant state as the second video.

  According to the above configuration, since the video display means displays the character string for notifying the operation mode of the second unit, the user can more easily grasp the operation mode of the second unit.

  In the video display device according to the present invention, the operation mode transmission means receives an operation input for operating the second unit from a user after transmitting the first operation mode information to the first unit. Third operation mode information indicating acceptance is transmitted to the first unit, and the control information transmission unit receives the first operation mode information after the operation mode reception unit receives the first operation mode information. When the mode information is received, it is preferable that information for generating the second video is transmitted to the second unit as the control information.

  According to the above configuration, when the operation input from the user to the second unit is received when the second unit is in the standby state, the second unit returns from the standby state to the normal operation mode, and the second unit 1 unit is notified. Then, the control information transmitting unit transmits information for generating the second video as control information to the second unit, and the video display unit displays the second video generated by the second unit. Thereby, the user can easily grasp that the second unit has returned from the standby state to the normal operation mode, and the operability of the user can be improved.

  In the video display device according to the present invention, the operation mode transmission means receives an operation input for operating the second unit from a user after transmitting the second operation mode information to the first unit. Third operation mode information indicating acceptance is transmitted to the first unit, and the control information transmission means receives the second operation mode information after the operation mode reception means receives the second operation mode information. When the mode information is received, it is preferable that information for generating the second video is transmitted to the second unit as the control information.

  According to the above configuration, when an operation input to the second unit is received from the user when the second unit is in the dormant state, the second unit returns from the dormant state to the normal operation mode, and the second unit 1 unit is notified. Then, the control information transmitting unit transmits information for generating the second video as control information to the second unit, and the video display unit displays the second video generated by the second unit. As a result, the user can easily grasp that the second unit has returned from the hibernation state to the normal operation mode, and the operability of the user can be improved.

  Further, in the video display device according to the present invention, the operation mode transmission means is a first operation indicating that an operation input for operating the second unit from a user is not received for a predetermined time as the operation mode information. Mode information is transmitted to the first unit, and the control information transmitting means receives information indicating that the second video is not generated when the operation mode receiving means receives the first operation mode information. Preferably, the control information is transmitted to the second unit.

  According to the above configuration, the second unit notifies the first unit that the operation mode of the second unit is in the standby state, and the first unit is in the standby state of the second unit. Based on this, control is performed so that the second video is not generated. That is, the first unit transmits information indicating that the second video is not generated as control information to the second unit. Therefore, the video display means does not display the second video when the second unit is in the standby state. In this way, when the user does not use the second unit for a predetermined time, the second video is not generated, so that it is possible to reduce the power consumed in generating the second video. In addition, since only the first video is displayed without displaying the second video, the viewing of the first video by the user is not hindered.

  In the video display device according to the present invention, the operation mode transmission means operates the second unit from a user for a predetermined time after transmitting the first operation mode information to the first unit. Second operation mode information indicating that an operation input is not received is transmitted to the first unit as the operation mode information, and the control information transmission unit is configured such that the operation mode reception unit is configured to transmit the first operation mode information. When the second operation mode information is received after receiving the mode information, it is preferable that information indicating that the second video is not generated is transmitted to the second unit as the control information.

  According to the above configuration, the second unit notifies the first unit that the operation mode of the second unit is in the dormant state, and the first unit is in the dormant state. Based on this, control is performed so that the second video is not generated. That is, the first unit transmits information indicating that the second video is not generated as control information to the second unit. Therefore, the video display means does not display the second video when the second unit is in the standby state. In this way, when the user does not use the second unit for a predetermined time, the second video is not generated, so that it is possible to reduce the power consumed in generating the second video. In addition, since only the first video is displayed without displaying the second video, the viewing of the first video by the user is not hindered.

  Further, in the video display device according to the present invention, the operation mode transmission means is a first operation indicating that an operation input for operating the second unit from a user is not received for a predetermined time as the operation mode information. The mode information is transmitted to the first unit, and the first unit indicates that the second unit is in a standby state when the operation mode receiving means receives the first operation mode information. It is preferable to further include an operation mode display means. Furthermore, in the video display device according to the present invention, the operation mode transmission means operates the second unit from the user for a predetermined time after transmitting the first operation mode information to the first unit. Second operation mode information indicating that an operation input is not received is transmitted to the first unit as the operation mode information, and the operation mode display unit is configured so that the operation mode reception unit performs the first operation. When the second operation mode information is received after receiving the mode information, it is preferable to display that the second unit is in a dormant state.

  According to the above configuration, the operation mode of the second unit is displayed on the operation mode display means such as an LED display device so as to be different from the case of the other operation modes. It is possible to more easily grasp the operation mode.

  In the video display device according to the present invention, the first unit includes first input signal receiving means for receiving a first input signal representing an input of a display start time of the first video from a user. The first video generation unit generates a start time notification video indicating the display start time input from the user as the first video, and the video display unit receives the input from the user. Preferably, the start time notification video is displayed as the first video together with the second video at the display start time.

  According to the above configuration, the user inputs the display start time of the first video in advance, and the video notifying the display start time is displayed at this time, so the user starts the display of the first video. The time can be easily grasped. That is, even when the second unit is in use, an event that occurs in the first unit can be grasped, so that user operability is improved.

  In the video display device according to the present invention, the second unit outputs a second input signal representing an input requesting the display of the first video from the user during the display of the second video. A second input signal receiving means for receiving; and an operation signal transmitting means for transmitting the second input signal to the first unit, wherein the first unit is transmitted from the operation signal transmitting means. The image display means further includes an operation signal receiving means for receiving the second input signal, and the image display means receives the first image and the second image when the operation signal receiving means receives the second input signal. Are preferably displayed.

  According to said structure, even if it is in the state where only the 2nd image | video is displayed, the image | video display means will be the 1st image | video and 2nd image | video, if a user requests | requires the display of a 1st image | video. Is displayed, it is possible to increase the affinity of two different units and operate them in cooperation with each other by operating the first unit.

  In the video display device according to the present invention, the first unit further includes broadcast wave receiving means for receiving a broadcast wave, and the first video generation means receives the broadcast wave received by the broadcast wave receiving means. It is preferable to decode and generate the first video.

  According to said structure, the 1st unit can display the image | video contained in a broadcast program. As a result, the video display device can be realized as a kind of television device.

  In the video display apparatus according to the present invention, the second unit further includes execution means for executing a software application, and the second video generation means outputs the video generated when the software application is executed. Preferably, it is generated as a second video.

  According to said structure, a 2nd unit has a function as a general purpose computer. As a result, the video display device can be realized as a device having a computer function. In particular, when the first unit has a function of displaying a video included in a broadcast program, the video display device can be realized as a television device with a built-in computer.

  In the video display device according to the present invention, the first unit further includes broadcast wave receiving means for receiving a broadcast wave, and the control information transmitting means is configured such that the operation mode receiving means receives the second operation mode information. After receiving, when the broadcast wave receiving means receives the broadcast wave, it is preferable to transmit information for generating the second video as control information to the second unit.

  According to the above configuration, the second unit is returned from the hibernation state to the normal mode and the second video is displayed in response to the occurrence of an event in the first unit. And can be operated in cooperation with each other by operating the first unit.

  In the video display device according to the present invention, the second unit further includes execution means for executing a software application based on the control information received by the control information receiving means, and the control information transmitting means includes the operation described above. After the mode reception means receives the second operation mode information, when the broadcast wave reception means receives the broadcast wave, information for executing the software application is used as the control information as the second unit. It is preferable to transmit.

  According to said structure, according to generation | occurrence | production of the event in a 1st unit, a 2nd unit is returned from a dormant state to a normal mode, a 2nd image | video is displayed, and the return of a 2nd unit is carried out. Accordingly, since a predetermined application is executed, the affinity between two different units can be enhanced, and both can be operated in cooperation by operating the first unit.

  The video display device may be realized by a computer. In this case, a program for realizing the video display device in the computer by operating the computer as each of the above means and a computer-readable recording medium recording the program also fall within the scope of the present invention.

  As described above, the video display device according to the present invention includes the first unit that processes the first video and the second unit that processes the second video, and the first unit includes the above-described first unit. First video generating means for generating a first video, video receiving means for receiving the second video transmitted from the second unit, at least one of the first video and the second video. Video display means for displaying one of them, operation mode receiving means for receiving operation mode information transmitted from the second unit and representing an operation mode of the second unit, and the operation mode receiving means Control information transmitting means for transmitting control information for controlling generation of the second video to the second unit based on the received operation mode information when receiving the operation mode information, First The unit includes: control information receiving means for receiving the control information transmitted from the first unit; second video generating means for generating the second video based on the received control information; Video transmission means for transmitting the second video to the first unit and operation mode transmission means for transmitting the operation mode information to the first unit. That is, since the operation mode of the second unit is monitored in the first unit and the video generated based on the operation mode of the second unit is displayed, the user can easily grasp the operation mode of each of the two different units. Thus, the user operability is improved.

It is a block diagram which shows the principal part structure of the television with a built-in PC concerning embodiment. It is a figure which shows the external appearance of the television with a built-in PC concerning an embodiment, (a) shows the appearance when viewing the television with a built-in PC from the display screen side, and (b) is the appearance when viewing the television with a built-in PC from the side. Indicates. It is a block diagram which shows the detailed internal structure of the television with a built-in PC concerning embodiment. It is a figure which shows an example of the flow of an image composition and a display in the television with a built-in PC according to the embodiment. (A)-(c) is a schematic diagram which shows the transition of the image | video displayed on a display when a PC unit transfers to screen save mode in the television with a built-in PC which concerns on embodiment. In the television with a built-in PC according to the embodiment, it is a sequence diagram showing a process of switching a video displayed on the display when the PC unit shifts to a screen save mode. (A)-(c) is a schematic diagram which shows the transition of the image | video displayed on a display when a PC unit transfers to screen save mode in the television with a built-in PC which concerns on embodiment. In the television with a built-in PC according to the embodiment, it is a sequence diagram showing a process of switching a video displayed on the display when the PC unit shifts to a screen save mode. (A)-(c) is a schematic diagram which shows the transition of the image | video displayed on a display when a PC unit transfers to screen save mode in the television with a built-in PC which concerns on embodiment. In the television with a built-in PC according to the embodiment, it is a sequence diagram showing a process of switching a video displayed on the display when the PC unit shifts to a screen save mode. (A)-(c) is a schematic diagram which shows the transition of the image | video displayed on a display when a PC unit transfers to standby mode from screen save mode in the television with a built-in PC which concerns on embodiment. In the television with a built-in PC according to the embodiment, it is a sequence diagram illustrating a process of switching a video displayed on the display when the PC unit shifts from a screen save mode to a standby mode. (A)-(c) is a schematic diagram which shows the transition of the image | video displayed on a display when a PC unit transfers to standby mode from screen save mode in the television with a built-in PC which concerns on embodiment. In the television with a built-in PC according to the embodiment, it is a sequence diagram illustrating a process of switching a video displayed on the display when the PC unit shifts from a screen save mode to a standby mode. (A)-(c) is a figure which shows the display form of the TV image | video and PC image | video displayed on a display for every operation mode of a PC unit in the television with a built-in PC which concerns on embodiment. (A)-(c) is a figure which shows the display form of the TV image | video and PC image | video displayed on a display for every operation mode of a PC unit in the television with a built-in PC which concerns on embodiment. (A)-(c) is a figure which shows the display form of the TV image | video and PC image | video displayed on a display for every operation mode of a PC unit in the television with a built-in PC which concerns on embodiment. (A)-(c) is a figure which shows the display form of the operation mode of a PC unit for every operation mode in the television with a built-in PC which concerns on embodiment. FIG. 10 is a sequence diagram showing processing for starting a specific application when the PC unit returns from the standby mode in the PC built-in television according to the embodiment. FIG. 6 is a sequence diagram illustrating processing for switching the display on the display from the PC video display mode to the simultaneous display mode in accordance with an event that has occurred in the TV unit in the television with a built-in PC according to the embodiment. It is a figure which shows the external appearance of the other example of the television with a built-in PC which concerns on embodiment, (a) is the case of seeing the television with a built-in PC after the detachable PC unit is attached to the TV unit from the display screen side. It is a figure which shows an external appearance, (b) is a figure which shows an external appearance at the time of seeing the television with a built-in PC before a detachable PC unit is attached to a TV unit from the back side. It is a block diagram which shows the principal part structure of the other example of the television with a built-in PC which concerns on embodiment.

  One embodiment of a video display device according to the present invention will be described below with reference to FIGS. In the present embodiment, a TV built-in television having a TV unit as the first unit and a PC unit as the second unit will be described as a specific example.

(Appearance of PC built-in TV 1)
First, the external appearance of the PC built-in television 1 will be described below with reference to FIGS. 2 (a) and 2 (b). 2A and 2B are views showing the appearance of the PC built-in television 1 according to the present embodiment. FIG. 2A shows the appearance when the PC built-in television 1 is viewed from the display screen side. (B) shows the external appearance when the PC built-in television 1 is viewed from the side (the side where the PC unit 20 is installed).

  As shown in FIGS. 2A and 2B, the TV with built-in PC 1 (video display device) has a configuration in which a PC unit 20 (second unit) is provided in a TV unit 10 (first unit). Device. The TV unit 10 of the present embodiment is a subunit (subsystem) having a configuration and functions as a liquid crystal television device. On the other hand, the PC unit 20 is a subunit (subsystem) having a configuration and functions as a so-called personal computer. Both are integrated to form one PC built-in television 1. Furthermore, by operating both in cooperation with each other, the user is provided with an unprecedented content playback (viewing and browsing) experience.

  The user operates the PC built-in television 1 using the remote controller 9. If there is only the remote controller 9, the TV unit 10 can be operated to view the broadcast program. Further, by using the same remote controller 9, it is possible to operate the PC unit 20 to execute various software applications, or to access a website on the Internet and browse a web page.

  2A and 2B show the case where the PC unit 20 is attached to the outer wall surface of the TV unit 10, but the PC unit 20 is built in the casing body of the TV unit 10. Also good. In this case, the PC unit 20 is completely hidden inside the TV unit 10. Therefore, the PC unit 20 can be protected from the external environment. The user can take out the PC unit 20 from the TV unit 10 and replace it with another PC unit 20.

(Main components of TV 1 with built-in PC)
The internal configuration and functions of the PC built-in television 1 will be described below with reference to FIG. FIG. 1 is a block diagram showing the main configuration of a PC built-in television 1 according to an embodiment of the present invention.

  As shown in FIG. 1, the TV unit 10 of the PC built-in television 1 includes a video output unit (video display unit) 11, an audio output unit 12, a content processing unit (first video generation unit) 13, a content composition unit 14, Content acquisition unit (broadcast wave reception unit) 15, content reception unit (video reception unit) 16, user input unit (first input signal reception unit) 17, control information communication unit (control information transmission unit, operation signal reception unit) 18, a control unit 19 and an operation mode receiving unit (operation mode receiving means) 31 are provided. On the other hand, the PC unit 20 includes a content processing unit (second video generation unit) 21, a content acquisition unit 22, a content transmission unit (video transmission unit) 23, a storage unit 24, and a control information communication unit (control information reception unit, operation). A signal transmission unit) 25, a user input unit (second input signal reception unit) 26, a control unit 27, an application execution unit (execution unit) 28, and an operation mode transmission unit (operation mode transmission unit) 32 are provided.

  The PC built-in television 1 has a video composition function. Specifically, the TV unit 10 acquires a broadcast program by receiving and decoding a broadcast wave (television broadcast). The PC unit 20 acquires PC contents such as web pages and moving image contents and provides them to the TV unit 10. The TV unit 10 synthesizes at least a video in a broadcast program (broadcast content) (hereinafter also referred to as a TV video) and a video in a PC content (hereinafter also referred to as a PC video) to generate one display video. Output to the display 2. A display image is displayed on the display 2.

  The display 2 may be any display as long as it can display a PC video, a TV video, and a display video including those videos. Examples of the display 2 include a liquid crystal display, a plasma display, and an organic EL display.

(Details of TV unit 10)
The function of each block provided in the TV unit 10 will be described below.

  The video output unit 11 displays at least one of TV video and PC video on the display 2. The video output unit 11 displays only TV video in the TV mode in which the full screen is displayed on the display 2 or displays only PC video in the PC mode in which the full screen is displayed on the display 2. When the content processing unit 13 generates the TV video and the content receiving unit 16 receives the PC video, the video output unit 11 displays the TV video and the PC video in the simultaneous display mode in which the display 2 is simultaneously displayed. In this case, the video output unit 11 outputs to the display 2 the video signal of the composite content transmitted by the content synthesis unit 14 by synthesizing the TV video and the PC video.

  The audio output unit 12 outputs the audio signal sent from the content synthesis unit 14 to the speaker 3.

  The content processing unit 13 processes the content input from the content acquisition unit 15. In this embodiment, the received broadcast wave is decoded to generate a broadcast program (TV content) and output to the content composition unit 14.

  The content composition unit 14 synthesizes the broadcast program (TV content) input from the content processing unit 13 and the PC content received from the PC unit 20 by the content reception unit 16 to generate one composite content, and It outputs to the output part 11 and the audio | voice output part 12. Note that the content synthesizing unit 14 outputs only the TV content to the video output unit 11 and the audio output unit 12 when the content receiving unit 16 does not receive the PC content. Similarly, when the TV content is not generated, only the PC content is output to the video output unit 11 and the audio output unit 12.

  The content acquisition unit 15 receives the broadcast wave through the antenna 4 and outputs it to the content processing unit 13. Note that the broadcast wave receiving method is not limited to that through the antenna 4. The content acquisition unit 15 can also receive broadcast waves through a cable television broadcast network. In addition, IP broadcast data (IP broadcast wave) can be received through the Internet 8.

  The video acquired by the content acquisition unit 15 includes real-time video such as broadcast, electronic program guide (EPG), and the like. In addition to these, content played back by a recording / playback device (recorder device) or the like An external input video input via an HDMI cable or a video cable can also be used.

  The content receiving unit 16 receives the PC content transmitted from the PC unit 20 and outputs it to the content composition unit 14.

  The user input unit 17 accepts an input operation performed on the PC built-in television 1 by the user. Specifically, for example, a signal issued by an information input device connected to a TV unit such as the remote controller 9 in response to an input operation by the user is received and output to the control unit 19. In addition, a signal generated by a user's direct operation on the TV unit 10 main body can be received.

  The control information communication unit 18 exchanges control information with the PC unit 20. Specifically, the control information is transmitted to the control information communication unit 25 of the PC unit 20 or the control information transmitted from the control information communication unit 25 is received. Here, the control information includes, for example, operation information for operating the PC unit 20 or the TV unit 10. In addition, access information (link information) for acquiring content is included. Further, when the user input unit 17 receives an operation input from the user to the PC unit 20, the control information communication unit 18 transmits an operation input signal representing the operation input to the control information communication unit 25.

  The control information includes information specifying that the acquired content should be provided to the other unit, and information specifying the video to be provided to the other unit. When the operation mode receiving unit 31 receives the operation mode information transmitted from the PC unit 20, the control information communication unit 18 transmits control information for controlling generation of the PC video based on the received operation mode information to the PC unit. 20 to send. Specifically, based on the operation mode information, information specifying that a PC video is not generated is transmitted to the PC unit 20 as control information, or information specifying a PC video to be generated is sent to the PC unit 20 as control information. Or send.

  Here, the operation mode information is whether the operation mode of the PC unit 20 is the screen save mode, the standby mode, the normal mode, or the start mode for returning from the screen save mode or the standby mode. It is information to notify.

  When the operation mode information received by the operation mode receiving unit 31 is information (first operation mode information) notifying that the PC unit 20 is in the screen save mode, the control information communication unit 18 generates a PC video. Information that specifies not to be generated, or information that specifies that an image indicating the screen save mode is generated as a PC image, such as a screen saver image, is transmitted to the PC unit 20 as control information. Then, when the video output unit 11 displays the PC video generated in the PC unit 20 on the display 2, the user can easily grasp that the PC unit 20 is in the screen save mode.

  When the operation mode information received by the operation mode receiving unit 31 is information (second operation mode information) notifying that the PC unit 20 is in the standby mode, the control information communication unit 18 displays the PC video. Information specifying that it is not generated or information specifying that a video indicating the standby mode is generated as a PC video is transmitted to the PC unit 20 as control information. Then, when the video output unit 11 displays the PC video generated in the PC unit 20 on the display 2, the user can easily grasp that the PC unit 20 is in the standby mode.

  Further, when the operation mode information received by the operation mode receiving unit 31 is information (third operation mode information) for notifying that the PC unit 20 returns from the screen save mode or the standby mode, the control information communication unit 18 Transmits information specifying that a PC video generated in the normal mode is generated to the PC unit 20 as control information. Then, when the video output unit 11 displays the PC video generated in the PC unit 20 on the display 2, the user can easily grasp that the PC unit 20 has returned from the screen save mode or the standby mode.

  Further, the control information may include operation mode designation information for designating the operation mode of the PC unit 20 from the TV unit 10 side. The operation mode designation information specifies whether the PC unit 20 is operated in the screen save mode, the standby mode, the normal mode, or the screen save mode or the standby mode is returned to the normal mode. Information.

  The control unit 19 performs overall control of each block constituting the TV unit 10.

  The operation mode receiving unit 31 receives operation mode information indicating the operation mode of the PC unit 20 transmitted from the PC unit 20. When the operation mode receiving unit 31 receives the operation mode information, the TV unit 10 monitors the operation mode of the PC unit 20.

  In this specification and the like, “screen save mode” refers to an operation input to the PC unit 20 from the remote control 9 in the user input unit 17 or a mouse 5 in the user input unit 26 as in a state where a screen saver is activated in the PC. Further, it means a state in which an external input signal to the PC unit 20 such as an operation input to the PC unit 20 from the keyboard 6 has not been received for a predetermined time or more, and is sometimes referred to as a “standby state”. Therefore, the state where the screen saver is actually activated in the PC unit 20 is also intended.

  In addition, the “standby mode” means a state in which an operation input to the PC unit 20 from the outside is not received for a predetermined time or more after the transition to the screen save mode, and is referred to as a “sleep state”. There is also. Therefore, the PC unit 20 is also intended to be in a PC standby state in which the work state is stored in the memory in the power saving mode.

  The “startup mode” means a transition state in which an operation input to the PC unit 20 from the outside is accepted and the normal mode is restored in the screen save mode or the standby mode. The “normal mode” means a case where none of the screen save mode, the standby mode, and the start-up mode.

(Details of PC unit 20)
The function of each block constituting the PC unit 20 will be described below.

  The content processing unit 21 processes the PC content acquired by the content acquisition unit 22. The content acquisition unit 22 acquires PC content from the outside. For example, the content acquisition unit 22 may acquire PC content from the recording disk 7 or acquire PC content from a server device or a client device connected to the PC built-in television 1 via the Internet (communication network) 8. May be.

  Here, the PC content is content that can be processed and reproduced by a computer. The PC content corresponds to content such as text, still images, audio, and moving images, for example, and multimedia content composed of a combination thereof. In addition, a web page is also included in the PC content. These PC contents can be obtained from various places. Examples of acquisition sources include a website on the Internet 8, an external device connected to the PC built-in television 1, and a recording disk 7. The PC content can also be acquired by generating it with a software application introduced in advance in the PC unit 20.

  When the control information communication unit 25 receives, as control information, information specifying that the video indicating that the PC unit 20 is in the screen save mode is generated as the PC video, the content processing unit 21 is, for example, a screen saver video. A simple video as a PC video.

  Further, when the control information communication unit 25 receives, as control information, information specifying that the video indicating that the PC unit 20 is in the standby mode is generated as the PC video, the content processing unit 21 transmits the video to the PC. Generate as video.

  Further, the content processing unit 21 receives, as control information, information specifying that the control information communication unit 25 generates a PC video generated in the normal mode when the PC unit 20 is in the screen save mode or the standby mode. When this is done, a PC image acquired in the normal mode is generated.

  The content transmission unit 23 transmits the content processed by the content processing unit 21 to the content reception unit 16. The content transmission unit 23 can also be referred to as video transmission means for transmitting the PC video generated in the PC unit 20.

  The storage unit 24 stores various PC contents. For example, it is realized as a nonvolatile storage device such as a hard disk or a flash memory. The storage unit 24 stores various software applications executed by the application execution unit 28 in addition to the PC content.

  The control information communication unit 25 exchanges control information with the control information communication unit 18. Specifically, the control information is transmitted to the control information communication unit 18 of the TV unit 10 or the control information transmitted from the control information communication unit 18 is received. The control information communication unit 25 is information transmitted from the control information communication unit 18 that specifies that the PC video is not generated, information that specifies that the video indicating the screen save mode is generated as a PC video, standby Information specifying that a video indicating the mode is generated as a PC video is received as control information. In addition, when the user input unit 26 receives an operation input from the user, the control information communication unit 25 transmits an operation input signal representing the operation input to the control information communication unit 18.

  The user input unit 26 receives an input operation to the PC built-in television 1 by the user. Specifically, a signal issued by the operation device (in this embodiment, the mouse 5 and the keyboard 6) in response to an input operation by the user is received and output to the control unit 27. Other examples of the operation device include a pointing device such as a trackball and a trackpad, and a joystick.

  The control unit 27 controls the overall operation of the PC unit 20.

  The application execution unit 28 reads and executes the software application stored in the storage unit 24.

  The operation mode transmission unit 32 transmits operation mode information indicating the operation mode of the PC unit 20 to the TV unit 10.

(Detailed internal configuration of TV 1 with built-in PC)
Next, a detailed internal configuration of the PC built-in television 1 will be described with reference to FIG. FIG. 3 is a block diagram showing a detailed internal configuration of the PC built-in television 1 according to the present embodiment. Each functional block shown in FIG. 1 is realized by any one of the blocks shown in FIG. 3 or a combination thereof.

  An RF (Radio Frequency) receiving unit 101 receives a signal transmitted from the outside. That is, the RF receiving unit 101 is a video signal input unit that accepts a digital broadcast signal such as a video signal transmitted by terrestrial digital broadcasting. The signal received by the RF receiving unit 101 is not limited to a signal transmitted as a terrestrial digital broadcast wave. For example, a video transmitted by general analog broadcast, satellite broadcast, or cable television broadcast It may be a signal.

  Examples of the format of the video signal received by the RF receiver 101 include a video signal digitized in the MPEG2 or MPEG4 format in the case of digital broadcasting. Further, the signal input to the RF receiving unit 101 is not limited to the above video signal. For example, a digital broadcast signal (such as a digitized audio signal, data broadcast, electronic program guide information, or network information) ( Broadcast wave).

  The demodulator 102 demodulates the digital broadcast signal input to the RF receiver 101 and sends it to the decoder 103.

  The decoder 103 decomposes a demodulated signal such as MPEG2TS into a video component (signal) and an audio component (signal). The decoder 103 decodes the video signal among the decomposed signals and sends the audio signal to the audio processor 104. At this time, the data accompanying the audio signal is sent to the CPU 109 and processed there.

  The audio processor 104 decodes the audio signal received from the decoder 103. Since the audio signal has many formats, the audio processor 104 normally performs the decoding process of the audio signal. However, the present invention is not limited to this, and the audio signal may be decoded by the decoder 103 or the CPU 109. The processed audio signal is sent to the speaker 105.

  The speaker 105 outputs the audio signal decoded by the audio processor 104. In addition, although this embodiment shows the form of a television provided with the display part 112 and the speaker 105, it is not limited to this, For example, BD (Blu-Ray) recorder or STB (Set Top Box) etc. In this case, an audio signal may be output to an external device instead of the speaker 105.

  Remote control communication unit 106 receives a control signal from a remote control (not shown). Examples of the remote controller that transmits a control signal include an infrared remote controller that transmits a signal in one direction or a wireless remote controller that transmits a signal in both directions. The control signal received by the remote control communication unit 106 is sent to the CPU 109.

  The external input unit 107 receives a signal output from the video output unit 208 of the PC unit 20. Examples of the external input unit 107 include an HDMI interface or a DVI-D terminal. The signal received by the external input unit 107 includes decoded data or data in a compressed format (for example, data in MPEG2 or MPEG4 format).

  The audio signal received by the external input unit 107 is output to the audio processor 104. On the other hand, the video signal received by the external input unit 107 is output to the graphic memory 110 and developed. For example, when the video signal received by the external input unit 107 is a compressed image, the received video signal is sent to the graphic memory 110 once via the decoder 103. Note that there is no substantial difference in the video signal output to the graphic memory 110 depending on whether or not the signal passes through the decoder 103.

  The memory 108 is a memory that stores a program or data.

  The CPU 109 is a CPU that controls the entire TV unit 10.

  The graphic memory 110 holds two or more videos and display data. Examples of display data include data broadcasting, OSD (on-screen display) data, and data such as setting menus. The graphic memory 110 includes a plurality of planes, and each plane can be superimposed or alpha blended.

  The graphic controller 111 combines video and display data held in the graphic memory 110 to create one screen. That is, the graphic controller 111 performs, for example, enlargement / reduction or position setting of a plurality of planes according to control from the CPU 109, and generates a final screen by combining them. This final screen is sent to the display unit 112. The graphic memory 110 and the graphic controller 111 correspond to the content composition unit 14 shown in FIG.

  The display unit 112 displays the video received from the graphic controller 111. For example, video may be displayed on a display device such as a liquid crystal panel, or video data may be output to an external device.

  A LAN (Local Area Network) controller 113 is connected to an external device through a network. The LAN controller 113 may be connected to another device according to a home network standard such as DLNA (Digital Living Network Alliance) or may be connected to a video service through the Internet. The connection with the external device may be either wired or wireless. The video signal acquired from the LAN controller 113 is not particularly limited, but is preferably handled in the same manner as the video signal acquired through the RF receiving unit 101.

  The I / F unit 114 is an interface unit that controls LAN, USB, serial, or the like. The I / F unit 114 exchanges control information including a still image with the PC unit 20. Note that the transmission / reception method of control information in the I / F unit 114 is not particularly limited.

  The power supply unit 115 is a power supply circuit in the TV unit 10. The power supply unit 204 is a power supply circuit in the PC unit 20. These power supply units 115 and 204 are supplied with power from a common power supply 150. At this time, it is desirable to receive power from one AC plug.

  The input unit 201 receives input from the outside. Thus, the PC unit 20 may have its own input unit. As the input unit 201, for example, a Bluetooth wireless keyboard or a wireless mouse is preferably used.

  The IO processor 202 controls various external interfaces.

  The LAN controller 203 is connected to the IP network. Note that the LAN controller 113 and the LAN controller 203 preferably share one IP address with each other. Further, when the TV unit 10 and the PC unit 20 are provided with individual LAN controllers 113 and 203, respectively, it is preferable to have a bridge function inside the television 1 with a built-in PC. Thereby, for example, when connecting a wired LAN, the TV unit 10 and the PC unit 20 can be simultaneously connected to the network by simply inserting one LAN cable.

  A memory 205 is a memory of the CPU 206 that performs various controls.

  The CPU 206 comprehensively controls each block included in the PC unit 20. For example, the compressed PC content is decoded by software and converted to the original PC content. In the present embodiment, the PC unit 20 does not include hardware such as the decoder 103 in the TV unit 10. However, the present invention is not limited to this. For example, the PC unit 20 may include hardware such as the decoder 103.

  The graphic controller 207 speeds up graphic processing during video rendering.

  The video output unit 208 outputs the video signal processed by the graphic controller 207. Examples of the format of the output video signal include a format that can be output via an interface of the HDMI standard. The audio signal is also output to the TV unit 10 in the same manner as the video signal.

  The storage unit 209 permanently stores PC content acquired through the Internet 8 or the recording disk 7. Examples of the storage unit 209 include a hard disk, a BD (Blu-ray Disc), a DVD (Digital Video Disc), or a USB (Universal Serial Bus) memory. The CPU 206 reproduces the video acquired via the network or the video stored in the storage unit 209 and transmits it to the TV unit 10.

  Here, the image is not limited to a moving image, and includes a screen created by an application such as music, a book (text), a photo (still image), a slide show, a word processing document, or a game.

(Example of the flow of video composition)
A flow of the composition and display processing of a plurality of videos in the PC built-in television 1 will be described with reference to FIG. FIG. 4 is a diagram illustrating an example of the flow of video composition and display in the television 1 with a built-in PC.

  As shown in this figure, the content acquisition unit 22 of the PC unit 20 acquires a video 50 (second video included in the second content) and related information 52. The acquisition destination is, for example, the Internet 8 or the recording disk 7. The video 50 and the related information 52 are transmitted to the TV unit 10 via the content acquisition unit 22, the content processing unit 21, and the content transmission unit 23. In the TV unit 10, the content is provided to the content composition unit 14 via the content reception unit 16.

  On the other hand, the content acquisition unit 15 of the TV unit 10 acquires the video 54 (the first video included in the first content) and the related information 56. The acquisition destination is, for example, a broadcasting station. The video 54 and the related information 56 are provided to the content composition unit 14 via the content acquisition unit 15 and the content processing unit 13. Note that control information that defines that the video 50 and related information 52 should be provided to the TV unit 10 is transmitted from the TV unit 10 to the PC unit 20 in advance. The PC unit 20 provides the video unit 50 and related information 52 to the TV unit 10 in response to the reception of the control information.

  The content synthesizing unit 14 synthesizes the input video 50, related information 52, video 54, and related information 56 to generate one synthesized video (synthesized content). In this embodiment, the graphic memory 110 is used to write data to each of the three planes. Specifically, video 50 is written in the first plane, video 54 is written in the second plane, and related information 52 and related information 56 are written in the third plane. The three planes thus obtained are overlapped to generate one composite image shown in FIG. The synthesized video is input to the display 2 via the video output unit 11. As a result of these processes, the user visually recognizes the synthesized video through the display 2. As a result, it is possible to enjoy movie content on a sub-screen while watching a broadcast program.

(Power supply interlock)
In the PC built-in television 1, the power supply unit 115 and the power supply unit 204 are supplied with power from a common power supply 150. Further, the power supply unit 204 receives power supply from the power supply unit 115. That is, in the TV 1 with a built-in PC, the power supply of the TV unit 10 and the power supply of the PC unit 20 are linked. Thus, the user does not have to perform a complicated operation for starting up the PC unit 20. That is, simultaneously with turning on the TV unit 10, the PC is also turned on.

  After the start of the TV unit 10 is completed, the user can view the broadcast program immediately. On the other hand, since the PC unit 20 requires a longer time to complete activation than the TV unit 10, the activation process of the PC unit 20 continues even after the activation of the TV unit 10 is completed. The user can enjoy the broadcast program without unnecessarily waiting until the PC unit 20 is activated. In addition, after the PC unit 20 has been activated, the PC unit 20 can be operated at any time by a simple operation using the remote controller 9.

(Processing when shifting to screen save mode)
Next, details of the switching process of the video displayed on the display 2 when the PC unit 20 shifts to the screen save mode will be described below with reference to FIGS. FIGS. 5A to 5C are schematic diagrams showing the transition of the video displayed on the display 2 when the PC unit 20 shifts to the screen save mode, and FIG. 6 shows the video displayed on the display 2. It is a sequence diagram which shows a switching process.

  FIG. 5A shows the TV with built-in PC 1 operating in the simultaneous display mode (the mode in which the TV video 100 (first video) and the PC video 200 (second video) are simultaneously displayed on the display 2). A display 2 is shown. When the PC unit 20 shifts from the simultaneous display mode to the screen save mode, as shown in FIG. 5B, only the TV video 100 is displayed on the display 2 and the PC video 200 is not displayed. When the PC unit 20 returns from the screen save mode and shifts again to the simultaneous display mode, the TV image 100 and the PC image 200 are simultaneously displayed on the display 2 as shown in FIG. .

  Video switching processing as shown in FIGS. 5A to 5C will be described with reference to FIG. First, the TV video 100 and the PC video 200 are simultaneously displayed on the PC built-in television 1 (step S1). When the user input unit 17 or the user input unit 26 does not accept a user operation input from the mouse 5, the keyboard 6 or the remote controller 9 to the PC unit 20 for a predetermined time, the operation mode transmission unit 32 of the PC unit 20 transmits the TV unit. The operation mode information indicating that the screen saver has been activated is notified to the ten operation mode receivers 31, and the screen saver of the PC unit 20 is activated (step S2).

  When the operation mode receiving unit 31 receives the operation mode information indicating that the screen saver is activated, the control unit 19 instructs the video output unit 11 to display the TV video 100 in full screen. In the PC built-in television 1 in which the TV image 100 is displayed on the entire screen of the display 2 (step S3), when the user input unit 26 receives a user operation input to the PC unit 20, the operation mode transmission unit 32 The PC unit 20 returns from the screen save mode, notifies the operation mode information indicating that the screen saver is interrupted, and interrupts the screen saver (step S4).

  When the operation mode receiving unit 31 receives the operation mode information, the control unit 19 instructs the video output unit 11 to display the TV video 100 and the PC video 200 simultaneously, and displays the TV video on the display 2. 100 and the PC video 200 are simultaneously displayed (step S5).

  In the PC unit 20, an arbitrary time may be appropriately set as the time (predetermined time) from when the operation input from the user to the PC unit is last received until the screen saver is activated, for example, 20 minutes. You only have to set it. The control unit 27 sets the time until the screen saver is activated by controlling the timing at which the application execution unit 28 executes the screen saver application.

  Another aspect of the switching process of the video displayed on the display 2 when the PC unit 20 shifts to the screen save mode will be described with reference to FIGS. 7A to 7C and FIG. FIGS. 7A to 7C are schematic diagrams showing the transition of the video displayed on the display 2 when the PC unit 20 shifts to the screen save mode, and FIG. 8 shows the video displayed on the display 2. It is a sequence diagram which shows a switching process.

  FIG. 7A shows the display 2 of the PC built-in television 1 operating in the simultaneous display mode (a mode in which the TV video 100 and the PC video 200 are simultaneously displayed on the display 2). When the PC unit 20 shifts to the screen save mode from the simultaneous display mode, a small screen of the PC video is displayed on the lower right of the large screen of the TV video 100 on the display 2 as shown in FIG. The The PC video 200 at this time may be a screen saver video, for example, or may be another video indicating that the PC unit 20 is in the screen save mode. When the PC unit 20 returns from the screen save mode and shifts again to the simultaneous display mode, the TV image 100 and the PC image 200 are simultaneously displayed on the display 2 as shown in FIG. .

  Here, as shown in FIG. 7B, when the PC unit 20 shifts to the screen save mode, the TV unit 10 may perform area active control of the backlight of the display 2 to improve the illumination effect. . Further, by performing area active control, power consumption can be reduced if the brightness of the backlight in the display portion of the PC video 200 is minimized.

  Further, the control unit 19 may cause the video output unit 11 to display a transparent video as the PC video 200 so as not to prevent the user from viewing the TV video 100 by displaying the PC video 200 on a small screen. The PC video 200 may be controlled to be displayed periodically. The display position of the small screen of the PC video 200 is not particularly limited as long as it does not prevent the user from viewing the TV video 100.

  Video switching processing as shown in FIGS. 7A to 7C will be described with reference to FIG. First, the TV video 100 and the PC video 200 are simultaneously displayed on the PC built-in television 1 (step S10). When the user input unit 17 or the user input unit 26 does not accept a user operation input from the mouse 5, the keyboard 6 or the remote controller 9 to the PC unit 20 for a predetermined time, the operation mode transmission unit 32 of the PC unit 20 transmits the TV unit. The operation mode information indicating that the screen saver is activated is notified to the ten operation mode reception units 31, and the screen saver of the PC unit 20 is activated (step S11).

  When the operation mode receiving unit 31 receives the operation mode information indicating that the screen saver is activated, the control unit 19 displays the large screen of the TV video 100 and the small screen of the PC video 200 on the video output unit 11. To instruct. In the television 1 with a built-in PC in which the large screen of the TV video 100 and the small screen of the PC video 200 are displayed on the display 2 (step S12), when the user input unit 26 receives a user operation input to the PC unit 20 The operation mode transmission unit 32 notifies the operation mode information indicating that the PC unit 20 returns from the screen save mode and the screen saver is interrupted, and interrupts the screen saver (step S13).

  When the operation mode receiving unit 31 receives the operation mode information, the control unit 19 instructs the video output unit 11 to display the TV video 100 and the PC video 200 simultaneously, and displays the TV video on the display 2. 100 and the PC video 200 are simultaneously displayed (step S14).

  Still another aspect of the switching process of the video displayed on the display 2 when the PC unit 20 shifts to the screen save mode will be described with reference to FIGS. 9A to 9C and FIG. FIGS. 9A to 9C are schematic diagrams showing the transition of the video displayed on the display 2 when the PC unit 20 shifts to the screen save mode. FIG. 10 shows the video displayed on the display 2. It is a sequence diagram which shows a switching process.

  FIG. 9A shows the display 2 of the television 1 with a built-in PC operating in the simultaneous display mode (a mode in which the TV video 100 and the PC video 200 are simultaneously displayed on the display 2). When the PC unit 20 shifts from the simultaneous display mode to the screen save mode, a small screen of the PC video is displayed around the large screen of the TV video 100 on the display 2 as shown in FIG. . When the PC unit 20 returns from the screen save mode and shifts to the simultaneous display mode again, the TV image 100 and the PC image 200 are simultaneously displayed on the display 2 as shown in FIG. 9C. .

  The video switching process as shown in FIGS. 9A to 9C will be described with reference to FIG. First, the TV video 100 and the PC video 200 are simultaneously displayed on the PC built-in television 1 (step S20). When the user input unit 17 or the user input unit 26 does not accept a user operation input from the mouse 5, the keyboard 6 or the remote controller 9 to the PC unit 20 for a predetermined time, the operation mode transmission unit 32 of the PC unit 20 transmits the TV unit. The operation mode information indicating that the screen saver is activated is notified to the ten operation mode receivers 31, and the screen saver of the PC unit 20 is activated (step S21).

  When the operation mode receiving unit 31 receives the operation mode information indicating that the screen saver is activated, the control unit 19 displays a small screen of the PC video 200 around the large screen of the TV video 100 with respect to the video output unit 11. Instruct to display. In the PC built-in television 1 in which the small screen of the PC video 200 is displayed around the large screen of the TV video 100 (step S22), the control is performed when the user input unit 17 receives a user operation input to the PC unit 20. The information communication unit 18 transmits a signal indicating a screen saver interruption request to the control information communication unit 25. When the control information communication unit 25 receives the signal, the operation mode transmission unit 32 notifies the TV unit 10 of operation mode information indicating that the PC unit 20 returns from the screen save mode and the screen saver is interrupted. The screen saver is interrupted (step S23).

  When the operation mode receiving unit 31 receives the operation mode information, the control unit 19 instructs the video output unit 11 to display the TV video 100 and the PC video 200 simultaneously, and displays the TV video on the display 2. 100 and the PC video 200 are simultaneously displayed (step S24).

(Processing during transition to standby mode)
Next, the mode of the switching process of the video displayed on the display 2 when the PC unit 20 shifts from the screen save mode to the standby mode will be described with reference to FIGS. 11 (a) to 11 (c) and FIG. . FIGS. 11A to 11C are schematic diagrams showing transitions of images displayed on the display 2 when the PC unit 20 shifts from the screen save mode to the standby mode. FIG. FIG. 6 is a sequence diagram illustrating a video switching process.

  FIG. 11A shows the display 2 of the TV 1 with a built-in PC in which a small screen of the PC video 200 indicating that the PC unit 20 is in the screen save mode is displayed around the large screen of the TV video 100. . When the user input from the mouse 5, keyboard 6 or remote control 9 to the PC unit 20 is not received for a predetermined time by the user input unit 17 or the user input unit 26, the PC unit shifts from the screen save mode to the standby mode. To do. At this time, as shown in FIG. 11B, a small screen of the PC video 200 indicating that the PC unit 20 is in the standby mode is displayed on the display 2 around the large screen of the TV video 100. Then, when the user input unit 17 receives a request for changing to the TV mode from the user, the control unit 19 displays a video output unit so that only the TV video 100 is displayed on the display as shown in FIG. 11 is controlled.

  Here, the PC video 200 indicating that the PC unit 20 is in the standby mode may include a character string such as “PC unit is in the standby mode” indicating that the PC unit 20 is in the standby mode. By displaying such a character string on the display 2 as caution information, the state of the PC unit 20 can be notified to the user. Further, a character string that prompts the user to change to the TV mode, return the PC unit 20 from the standby mode, or shut down the PC unit 20 may be displayed on the display 2 as caution information in a similar manner to prompt the user to input an operation.

  Video switching processing as shown in FIGS. 11A to 11C will be described with reference to FIG. First, on the PC built-in television 1, a small screen of the PC video 200 indicating that the PC unit 20 is in the screen save mode is displayed around the large screen of the TV video 100 (step S30). When the user input unit 17 or the user input unit 26 does not accept a user operation input from the mouse 5, the keyboard 6 or the remote controller 9 to the PC unit 20 for a predetermined time, the operation mode transmission unit 32 of the PC unit 20 transmits the TV unit. The operation mode information indicating that the PC unit 20 has shifted to the standby mode is notified to the ten operation mode receivers 31, and the PC unit 20 shifts to the standby mode (step S31).

  When the operation mode receiving unit 31 receives the operation mode information indicating the transition to the standby mode, the control unit 19 makes the PC unit 20 stand by around the large screen of the TV video 100 with respect to the video output unit 11. An instruction is given to display a video indicating the mode as a PC video 200 on a small screen. In the PC built-in television 1 displaying the video for displaying the standby mode as the PC video 200 around the large screen of the TV video 100 (step S32), the user input unit 17 performs an operation indicating a request to change to the TV mode. When receiving the input, the control unit 19 instructs the video output unit 11 to display only the TV video 100 on the display 2, and the TV video 100 is displayed on the full screen on the display 2 (step S33). .

  Here, in the PC unit 20, the time (predetermined time) from the start of the screen saver to the transition to the standby mode may be set as appropriate, for example, 20 minutes. That is, the control unit 19 may control the PC unit 20 to shift to the standby mode when, for example, an external input stored in the storage unit 24 is not accepted for an arbitrary time.

  When the PC unit 20 shifts to the standby mode and only the TV image 100 is displayed on the display 2, when the user does not accept an operation on the TV unit 10 and the PC unit 20 for a predetermined time, the TV unit 10 also It may shift to the standby mode.

  Here, the transition of the PC unit 20 from the screen save mode to the standby mode is performed by the control unit 19 instructing to cut off power supply to hardware that does not operate in the standby mode. That is, the power supply to the PC unit 20 is controlled by the TV unit 10 side. For example, the PC unit 20 is shifted to the standby mode by cutting off the power supply to the hardware that functions as the content processing unit 21, the content acquisition unit 22, the content transmission unit 23, and the application execution unit 28 and the storage unit 24. The return of the PC unit 20 from the standby mode to the normal mode is performed when the control unit 19 starts supplying power to hardware that does not operate in the standby mode.

  Further, after the PC unit 20 shifts to the standby mode, the PC unit 20 is returned to the normal mode when there is a possibility that the user operates the PC unit 20 based on an event occurring in the TV unit 10. Also good. For example, in the TV content received by the TV unit 20, the PC unit 20 may be returned to the normal mode during a time period when the CM is broadcast (for example, every 15 minutes), or the user can read the TV content via the remote control 9. The PC unit 20 may be returned to the normal mode with the timing of channel selection as a trigger.

  Next, with reference to FIGS. 13A to 13C and FIG. 14, other aspects of the switching process of the video displayed on the display 2 when the PC unit 20 shifts from the screen save mode to the standby mode will be described. explain. FIGS. 13A to 13C are schematic diagrams showing transition of images displayed on the display 2 when the PC unit 20 shifts from the screen save mode to the standby mode, and FIG. 14 is displayed on the display 2. FIG. 6 is a sequence diagram illustrating a video switching process.

  FIG. 13A shows the display 2 of the TV 1 with a built-in PC in which a small screen of the PC video 200 indicating that the PC unit 20 is in the screen save mode is displayed around the large screen of the TV video 100. . Then, when the user input unit 17 or the user input unit 26 does not accept a user operation input to the PC unit 20 by the mouse 5, keyboard 6 or remote control 9 for a predetermined time, the PC unit 20 shifts from the screen save mode to the standby mode. To do. At this time, as shown in FIG. 13B, a small screen of the PC video 200 indicating that the PC unit 20 is in the standby mode is displayed on the display 2 around the large screen of the TV video 100. When the user input unit 17 receives an operation input for operating the PC unit 20 from the user, the control unit 19 displays the TV video 100 and the PC video 200 on the display 2 as shown in FIG. The video output unit 11 is controlled to display simultaneously.

  The video switching process as shown in FIGS. 13A to 13C will be described with reference to FIG. First, on the PC built-in television 1, a small screen of the PC video 200 indicating that the PC unit 20 is in the screen save mode is displayed around the large screen of the TV video 100 (step S40). When the user input unit 17 or the user input unit 26 does not accept a user operation input from the mouse 5, the keyboard 6 or the remote controller 9 to the PC unit 20 for a predetermined time, the operation mode transmission unit 32 of the PC unit 20 transmits the TV unit. The operation mode information indicating that the PC unit 20 has shifted to the standby mode is notified to the ten operation mode reception units 31, and the PC unit 20 shifts to the standby mode (step S41).

  When the operation mode receiving unit 31 receives the operation mode information, the control unit 19 displays an image indicating that the PC unit 20 is in the standby mode around the large screen of the TV image 100 to the image output unit 11. The PC image 200 is instructed to be displayed on a small screen. In the PC built-in television 1 displaying a video indicating that the PC unit 20 is in the standby mode as the PC video 200 around the large screen of the TV video 100 (step S42), the PC unit 20 by the remote controller 9 from the user is displayed. When the user input unit 17 accepts an operation input for, the control information communication unit 18 transmits a signal indicating a return request from the standby mode to the control information communication unit 25.

  When the control information communication unit 25 receives the signal, the operation mode transmission unit 32 transmits the operation mode information indicating that the PC unit 20 has returned from the standby mode to the TV unit 10 and returns from the standby mode (step) S43). When the operation mode receiving unit 31 receives the operation mode information indicating that the PC unit 20 has returned from the standby mode, the control unit 19 simultaneously transmits the TV image 100 and the PC image 200 to the image output unit 11. The display is instructed to display, and the TV image 100 and the PC image 200 are simultaneously displayed on the display 2 (step S44).

(Operation mode display format)
Here, display forms of the TV video 100 and the PC video 200 displayed on the display 2 will be described with reference to FIGS. FIGS. 15 to 17 are diagrams showing the display modes of the TV video 100 and the PC video 200 displayed on the display 2 for each operation mode of the PC unit 20.

  As shown in FIGS. 15A to 15C, the PC video 200 may be displayed around the TV video 100. In this case, the TV image 100 is reduced as compared with the case of full screen display. FIG. 15A shows a display form of the display 2 when the PC unit 20 is operating in the normal mode, and the PC video 200 acquired in the normal mode is displayed around the TV video 100. . FIG. 15B shows a display form of the display 2 when the PC unit 20 is in the screen save mode. A video indicating that the PC unit 20 is in the screen save mode is a PC video 200, and a TV video 100 is displayed. Is displayed around the. FIG. 15C shows a display form of the display 2 when the PC unit 20 is in the standby mode. The video indicating that the PC unit 20 is in the standby mode is the PC video 200 and the surroundings of the TV video 100 are shown. Is displayed.

  Further, as shown in FIGS. 16A to 16C, the PC video 200 may be displayed on both ends of the TV video 100 in the longitudinal direction. Displaying in this way is particularly effective when the display 2 is 21: 9. FIG. 16A shows a display form of the display 2 when the PC unit 20 is operating in the normal mode, and the PC video 200 acquired in the normal mode is displayed on both ends of the TV video 100. . FIG. 16B shows a display form of the display 2 when the PC unit 20 is in the screen save mode. A video indicating that the PC unit 20 is in the screen save mode is a PC video 200, and a TV video 100 is displayed. Is displayed at both ends of. FIG. 16C shows the display form of the display 2 when the PC unit 20 is in the standby mode. The video indicating that the PC unit 20 is in the standby mode is the PC video 200, and both ends of the TV video 100 are displayed. Is displayed.

  Here, the video output unit 11 may display the PC video 200 on the display so that the display format of the PC video 200 is different from the display format of the TV video 100. For example, the TV image 100 and the PC image 200 may be displayed on the display 2 so that the display size, brightness, and color scheme are different. Further, the display format of the TV video 100 may be different from the display format of the PC video 200 by blurring the PC video 200 and displaying it on the display 2.

  Further, as shown in FIGS. 17A to 17C, an image including a character string indicating the operation mode of the PC unit 20 may be displayed as an OSD on the upper end portion of the TV image 100 as a PC image 200. FIG. 17A shows a display form of the display 2 when the PC unit 20 is operating in the normal mode. The video including the character string “PC activation” is set as the PC video 200 and the TV video 100 is displayed. OSD is displayed on the upper end. FIG. 17B shows a display form of the display 2 when the PC unit 20 is in the screen save mode. The video image including the character string “PC idle” is the PC video 200 and the upper end portion of the TV video 100 is displayed. OSD display. FIG. 17C shows the display form of the display 2 when the PC unit 20 is in the standby mode. The video including the character string “PC standby” is set as the PC video 200 at the upper end of the TV video 100. Display OSD. Note that the video including the character string indicating the operation mode of the PC unit 20 may be displayed so that the background color is different for each operation mode.

  Further, on the display 2, an icon indicating the operation mode of the PC unit 20 may be displayed or a character string indicating the operation mode of the PC unit 20 may be scroll-displayed at a position that does not hinder viewing of the TV video 100. . As described above, the TV 1 with a built-in PC is configured so that the operation mode of the PC unit 20 can be monitored even when the user is selecting the TV mode (only the TV image 100 is displayed on the display 2). The display of is controlled.

  18 (a) to 18 (c), only the TV video 100 may be displayed on the display 2, and the operation mode of the PC unit 20 may be displayed on the LED display unit 170. 18A to 18C are diagrams showing the display modes of the operation mode of the PC unit 20 for each operation mode.

  FIG. 18A shows the display 2 and the LED display unit 170 when the PC unit 20 is operating in the normal mode. The TV image 100 is displayed on the full screen on the display 2, and the LED display unit 170 is In order to indicate that the PC unit 20 is in the normal mode, for example, it is displayed in blue. FIG. 18B shows the display 2 and the LED display unit 170 when the PC unit 20 is in the screen save mode. The TV image 100 is displayed on the full screen on the display 2, and the LED display unit 170 is the PC unit. For example, yellow is displayed to indicate that 20 is the screen save mode. FIG. 18C shows the display 2 and the LED display unit 170 when the PC unit 20 is in the standby mode. The TV image 100 is displayed on the display 2 on the full screen, and the LED display unit 170 is displayed on the PC unit 20. Is displayed in red, for example, to indicate that it is in the standby mode.

(Application startup process)
Next, processing when a specific application stored in the storage unit 24 of the PC unit 20 is activated when the PC unit 20 returns from the standby mode will be described with reference to FIG. FIG. 19 is a sequence diagram showing processing for starting a specific application when the PC unit 20 returns from the standby mode.

  As shown in FIG. 19, when the PC unit 20 shifts from the screen save mode to the standby mode, the PC unit 20 transmits the operation mode information notifying the shift to the standby mode from the operation mode transmission unit 32 to the TV unit 10. Then, the control information communication unit 25 transmits to the control information communication unit 18 application information for notifying of an application to be started when returning from the standby mode. Then, the operation mode transmitting unit 32 transmits the operation mode information for notifying the transition to the standby mode to the operation mode receiving unit 31, and the PC unit 20 shifts to the standby mode (step S50).

  Here, the PC unit 20 may transmit the event of the TV unit 10 that triggers the return from the standby mode together with the application information to the TV unit 10 as trigger information. The trigger information is information for returning the PC unit 20 from the standby mode with an event occurring on the TV unit side as a trigger, and the control unit 19 generates an event serving as a trigger notified by the trigger information in the TV unit. Control information for returning the PC unit 20 from the standby mode is transmitted from the control information communication unit 18 to the control information communication unit 25. In the present embodiment, the content acquisition unit 15 of the TV unit 10 acquires an EPG, and the video output unit 11 displays the EPG on the display 2 as a trigger.

  When the content acquisition unit 15 acquires the EPG, the control information communication unit 18 transmits a signal indicating a return request from the standby mode to the control information communication unit 25. When the control information communication unit 25 receives the signal, the operation mode transmission unit 32 transmits the operation mode information indicating that the PC unit 20 has returned from the standby mode to the TV unit 10 and returns from the standby mode (step) S51).

  Based on the application information received before the PC unit 20 shifts to the standby mode, the control unit 19 transmits control information for starting the application from the control information communication unit 18 to the control information communication unit 25. When the control information communication unit 25 receives the control information, the application execution unit 28 activates the application specified by the control information (step S52). Then, the control unit 19 instructs the video output unit 11 to display the TV video 100 and the PC video 200 on the display 2 at the same time, and the TV video 100 and the PC video 200 are displayed on the display 2 at the same time (steps). S53).

  Here, when the PC unit 20 returns from the standby mode, an application that transmits acquisition information for acquiring TV content that matches the user's preference analyzed in advance to the TV unit may be activated. In this case, the application transmits, from the control information communication unit 25 to the control information communication unit 18, link information of a channel that transmits a broadcast wave that encodes TV content that meets the user's preference. When the control information communication unit 18 receives the link information, the content acquisition unit 15 receives a broadcast wave of a channel corresponding to the link information, and the content processing unit 13 decodes the received broadcast wave. Then, the video output unit 11 displays the TV video 100 included in the obtained content on the display 2.

(Switching from PC mode)
Next, processing in the case of switching from the PC mode (the mode in which only the PC video 200 is displayed on the display 2) to the simultaneous display mode in accordance with an event occurring in the TV unit 10 will be described with reference to FIG. FIG. 20 is a sequence diagram illustrating a process of switching the display on the display from the PC video display mode to the simultaneous display mode in accordance with an event that has occurred in the TV unit 10.

  First, for the PC built-in television 1 in which the TV unit 10 is in the standby mode and the PC unit 20 is operating in the normal mode (step S60), the user preliminarily reserves the viewing start time (see FIG. An operation input representing (display start time) is performed on the user input unit 17. The control information communication unit 25 transmits an operation signal (first input signal) representing the operation input to the control information communication unit 18. At this time, only the PC video 200 is displayed on the display 2.

  Then, the control unit 19 instructs the content processing unit 13 to generate, as the TV image 100, a start time notification image including a character string for notifying the viewing start reservation time at the above-described viewing start reservation time, and the generated TV image The video output unit 11 is instructed to simultaneously display the 100 small screen and the PC video 200 large screen. The video output unit 11 displays, as the TV video 100, a small screen of a video including a character string for notifying the viewing start reserved time and a large screen of the PC video 200 on the display 2 (step S61). Here, the video including the character string for notifying the viewing start reserved time is a video displaying a character string such as “TV viewing start reserved time has come”, for example.

  When the user input unit 26 receives an operation input indicating that the user starts viewing the TV video 100 from the mouse 5 or the keyboard 6, the control information communication unit 25 displays a signal ( The second input signal) is transmitted to the control information communication unit 18. When the control information communication unit 18 receives the signal, the control unit 19 returns the TV unit 10 from the standby mode (step S62), and simultaneously displays the TV video 100 and the PC video 200 on the video output unit 11. To instruct. The video output unit 11 simultaneously displays the TV video 100 and the PC video 200 on the display 2 (step S63).

  The transition from the normal mode to the standby mode of the TV unit 10 is performed by the control unit 19 instructing to cut off the power supply to hardware that does not operate in the standby mode. For example, the power supply to the hardware functioning as the content processing unit 13 and the content acquisition unit 15 is cut off, so that the TV unit 10 is shifted to the standby mode. The return of the TV unit 10 from the standby mode to the normal mode is performed when the control unit 19 starts supplying power to hardware that does not operate in the standby mode. In addition, when the TV unit 10 does not accept an external input signal for a predetermined time or longer after the TV unit 10 shifts to the standby mode, the TV unit 10 also cuts off the power supply to the hardware functioning as the user input unit 17. You may do it. The hardware that operates even in such a standby mode of the TV unit 10 is controlled by a sub-microcomputer provided in the TV unit 10.

  As an event that occurs in the TV unit 10, in addition to the above-described viewing start reservation time, for example, user viewing tendency data (trends of the user's TV viewing time, viewing channel, etc.) is acquired in the TV unit 10 in advance. However, it may be a trigger to shift to the simultaneous display mode with the time during which the same channel is viewed frequently as an event. When acquiring viewing tendency data, the viewing frequency level may be set by the user as appropriate.

(Advantages of TV 1 with built-in PC)
As described above, in the TV 1 with a built-in PC, the TV unit 10 and the PC unit 20 operate in cooperation with each other through control information. Then, the video output unit 11 displays at least one of the TV video 100 generated by the TV unit 10 and the PC video 200 generated by the PC unit 20 on the display 2. Here, the TV unit 10 receives the operation mode information indicating the operation mode of the PC unit 20 transmitted from the operation mode transmission unit 32 of the PC unit 20 at the operation mode reception unit 31, and based on the received operation mode information. Then, control information for controlling generation of the PC video 200 is transmitted from the control information communication unit 18 to the control information communication unit 25. Then, the content processing unit 21 generates the PC video 200 based on this control information.

  That is, since the operation mode of the PC unit 20 is monitored by the TV unit 10 and the video generated based on the operation mode of the PC unit 20 is displayed on the display 2, it is easy for the user to grasp the operation mode of the PC unit. User operability can be improved. In addition, the affinity between the TV unit 10 and the PC unit 20 can be enhanced, and both can be operated in cooperation with the operation of the TV unit 10.

(Additional notes)
The PC built-in television according to the present invention may be configured such that the PC unit can be detached from the PC built-in television. A PC built-in television in which the PC unit can be detached from the PC built-in television will be described below with reference to FIGS. 21A and 21B and FIG.

  FIGS. 21A and 21B are views showing the appearance of the PC built-in television 1a, and FIG. 21A shows the PC built-in television 1a after the detachable PC unit 20a is mounted on the TV unit 10a. It is a figure which shows the external appearance at the time of seeing from the screen side, (b) shows the external appearance when seeing the television 1a with a built-in PC from the back side before the detachable PC unit 20a is mounted on the TV unit 10a. FIG.

  As shown in this figure, the TV built-in television 1a is composed of a TV unit 10a and a PC unit 20a. In this respect, there is no difference from the TV 1 with a built-in PC. However, in the PC built-in television 1a, the PC unit 20a is detachable from the PC built-in television 1a. Accordingly, the expandability and maintainability of the PC built-in television 1 can be improved. In addition, after releasing mounting | wearing, TV unit 10a and PC unit 20a can each be utilized independently.

  As shown in FIG. 21A, the PC unit 20 a is provided with a plurality of external terminals 151 to 153. Specific examples of the external terminals 151 to 153 include an Ethernet (registered trademark) terminal, a USB terminal, and a video / audio input / output terminal. In addition, as shown in FIG. 21B, the PC unit 20a is also provided with external terminals 154 to 156 for exchanging signals with the TV unit 10a. Specific examples of the external terminals 154 to 156 include a video signal (SDVO: Serial Digital Video OutPut including HDMI signal), a control signal terminal, and a power supply terminal. By having these terminals, video signals, control signals, and power supply signals can be transmitted and received between the PC unit 20a and the TV unit 10a. In addition to the terminals described above, an audio signal terminal may be provided to transmit and receive audio signals to and from each other.

  The PC unit 20a can operate as a single unit and is a product. The circuits and wiring are all housed inside the PC unit 20a and are not exposed at all. The same applies to the TV unit 10a. Therefore, there is no need for wiring when connecting the two. That is, when attaching the PC unit 20a to the TV unit 10a, the user may attach the PC unit 20a to the PC unit mounting portion provided in the TV unit 10a. In the PC built-in television 1a, it can be said that the procedure for mounting the PC unit 20a to the TV unit 10a is very easy.

  The PC unit 20a removed from the PC built-in television 1a can be used for various purposes by being connected to peripheral devices. For example, the removed PC unit 20a is mounted on a cradle that can be connected to a monitor. In this way, the PC unit 20a can be used as a desktop computer. In addition, as a terminal for connecting the PC unit 20a and the cradle, an Ethernet (registered trademark) terminal and a serial port terminal can be used.

  FIG. 22 is a block diagram showing a main configuration of the PC built-in television 1a. As shown in this figure, the content acquisition unit 15 of the TV unit 10a is to be reproduced from the recording disk 7, the Internet 8, and the external device (external storage device) 160 in addition to the antenna 4. Content can be acquired. That is, the content processed by the TV unit 10a is not limited to a broadcast program, but also includes content such as text, video, audio, and moving images, and multimedia content including a combination thereof. Other web pages are also included.

  As described above, the PC unit 20a has expandability utilizing peripheral devices, and has a wider range of utilization than conventional general-purpose computers. Even when the PC unit 20a is detached from the TV unit 10a or when the PC unit 20a breaks down, the TV program 10a alone can acquire a broadcast program and various contents from the outside.

  Further, the number of PC units 20 constituting the PC built-in television 1 is not limited to one, and may be plural. Although the case where the second video generation unit in the video display device according to the present invention is a PC unit has been described as an example, the present invention is not limited to this. In addition to the PC unit, the second video generation unit may be, for example, an optical disc playback (recording) unit and a hard disk recorder unit. In addition, when the video display device according to the present invention includes a plurality of second video generation units, the second video generation units may be different types of units.

(Program and recording medium)
Finally, each block included in the TV unit 10 and the PC unit 20 constituting the PC built-in television 1 may be configured by hardware logic. Alternatively, it may be realized by software using a CPU (Central Processing Unit) as follows.

  That is, the TV unit 10 and the PC unit 20 include a CPU that executes instructions of a program that realizes each function, a ROM (Read Only Memory) that stores the program, and a RAM (Random Access Memory) that expands the program into an executable format. ), And a storage device (recording medium) such as a memory for storing the program and various data. With this configuration, the object of the present invention can be achieved by a predetermined recording medium.

  This recording medium only needs to record program codes (execution format program, intermediate code program, source program) of programs of the TV unit 10 and the PC unit 20 which are software for realizing the functions described above so as to be readable by a computer. . This recording medium is supplied to the TV unit 10 and the PC unit 20. Thereby, the TV unit 10 and the PC unit 20 (or CPU or MPU) as computers may read and execute the program code recorded on the supplied recording medium.

  The recording medium for supplying the program code to the TV unit 10 and the PC unit 20 is not limited to a specific structure or type. That is, the recording medium includes, for example, a tape system such as a magnetic tape and a cassette tape, a magnetic disk such as a floppy (registered trademark) disk / hard disk, and an optical disk such as a CD-ROM / MO / MD / DVD / CD-R. System, a card system such as an IC card (including a memory card) / optical card, or a semiconductor memory system such as a mask ROM / EPROM / EEPROM / flash ROM.

  Further, even if the TV unit 10 and the PC unit 20 are configured to be connectable to a communication network, the object of the present invention can be achieved. In this case, the program code is supplied to the TV unit 10 and the PC unit 20 via a communication network. The communication network may be any network that can supply program codes to the TV unit 10 and the PC unit 20, and is not limited to a specific type or form. For example, it may be the Internet, intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network, telephone line network, mobile communication network, satellite communication network, and the like.

  The transmission medium constituting the communication network may be any medium that can transmit the program code, and is not limited to a specific configuration or type. For example, wired communication such as IEEE 1394, USB (Universal Serial Bus), power line carrier, cable TV line, telephone line, ADSL (Asymmetric Digital Subscriber Line) line, infrared light such as IrDA or remote control, Bluetooth (registered trademark), 802.11 It can also be used by radio such as radio, HDR, mobile phone network, satellite line, terrestrial digital network. The present invention can also be realized in the form of a computer data signal embedded in a carrier wave in which the program code is embodied by electronic transmission.

  The same applies to each block constituting the PC built-in television 1a.

  The video display device according to the present invention can be suitably used as a television receiver with a built-in PC unit.

1, 1a TV with built-in PC (video display device)
2 Display 3 Speaker 4 Antenna 5 Mouse 6 Keyboard 7 Recording disk 8 Internet 9 Remote control 10, 10a TV unit (first unit)
11 Video output section (video display means)
12 audio output unit 13 content processing unit (first video generation means)
14 content synthesis unit 15 content acquisition unit (broadcast wave receiving means)
16 Content receiver (video receiving means)
17 User input section (first input signal receiving means)
18 Control information communication unit (control information transmitting means, operation signal receiving means)
19 Control unit 20, 20a PC unit (second unit)
21 Content processing unit (second video generation means)
22 content acquisition unit 23 content transmission unit (video transmission means)
24 storage unit 25 control information communication unit (control information receiving means, operation signal transmitting means)
26 User input section (second input signal receiving means)
27 Control unit 28 Application execution unit (execution means)
31 Operation mode receiving unit (operation mode receiving means)
32 Operation mode transmission unit (operation mode transmission means)
150 power supply 170 LED display (operation mode display means)

Claims (10)

A first unit that processes the first video; and a second unit that processes the second video;
The first unit is
First video generation means for generating the first video;
Video receiving means for receiving the second video transmitted from the second unit;
Video display means for displaying at least one of the first video and the second video;
Operation mode receiving means for receiving operation mode information transmitted from the second unit and indicating the operation mode of the second unit;
Control information for transmitting, to the second unit, control information for controlling generation of the second video based on the received operation mode information when the operation mode receiving means receives the operation mode information. A transmission means,
The second unit is
Control information receiving means for receiving the control information transmitted from the first unit;
Second video generation means for generating the second video based on the received control information;
Video transmission means for transmitting the second video to the first unit;
An operation mode transmitting means for transmitting the operation mode information to the first unit;
When the first video generation unit generates the first video and the video reception unit receives the second video, the first video and the second video are displayed on the video display unit. simultaneous displays
The operation mode transmission means transmits, as the operation mode information, first operation mode information indicating that an operation input from the user for operating the second unit has not been received for a predetermined time to the first unit. ,
The control information transmitting means transmits information indicating that the second video is not generated to the second unit as the control information when the operation mode receiving means receives the first operation mode information. A video display device characterized by:   The operation mode transmitting means indicates that an operation input for operating the second unit from the user for a predetermined time is not received after transmitting the first operation mode information to the first unit. 2 operation mode information is transmitted to the first unit as the operation mode information,
  The control information transmitting means includes information indicating that the second video is not generated when the operation mode receiving means receives the second operation mode information after receiving the first operation mode information. The video display device according to claim 1, wherein the control information is transmitted to the second unit.   The operation mode transmission means transmits, as the operation mode information, first operation mode information indicating that an operation input from the user for operating the second unit has not been received for a predetermined time to the first unit. ,
  The first unit further includes operation mode display means for displaying that the second unit is in a standby state when the operation mode receiving means receives the first operation mode information. The video display device according to claim 1, wherein   The operation mode transmitting means indicates that an operation input for operating the second unit from the user for a predetermined time is not received after transmitting the first operation mode information to the first unit. 2 operation mode information is transmitted to the first unit as the operation mode information,
  The operation mode display means displays that the second unit is in a dormant state when the operation mode receiving means receives the second operation mode information after receiving the first operation mode information. The video display apparatus according to claim 3.   The first unit further includes first input signal receiving means for receiving a first input signal representing an input of a display start time of the first video from a user,
  The first video generation means generates a start time notification video indicating the display start time input from the user as the first video,
  The video display means displays the start time notification video as the first video together with the second video at the display start time input by a user. The video display device according to claim 1.   The second unit is
    A second input signal receiving means for receiving a second input signal representing an input requesting the display of the first video from the user during the display of the second video;
    Operation signal transmitting means for transmitting the second input signal to the first unit;
  The first unit is
    An operation signal receiving means for receiving the second input signal transmitted from the operation signal transmitting means;
  The video display means displays the first video and the second video when the operation signal receiving means receives the second input signal. The video display device according to claim 1.   The first unit further includes broadcast wave receiving means for receiving a broadcast wave,
  The said 1st image | video production | generation means decodes the broadcast wave received by the said broadcast wave receiving means, and produces | generates the said 1st image | video, The one of the Claims 1-6 characterized by the above-mentioned. Video display device.   The second unit further includes execution means for executing a software application,
  The video display device according to claim 1, wherein the second video generation unit generates a video generated when the software application is executed as the second video. .   A program for operating the video display device according to any one of claims 1 to 8, wherein the program causes a computer to function as each of the means.   A computer-readable recording medium in which the program according to claim 9 is recorded.

Images