JP2010016490A - Video display system, display and reproducing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video display system in which the control of a reproducing device suited to the video viewing of a user is performed without forcibly turning the power of the reproducing device on/off according to the changeover of video images displayed at a display, and to provide the display and the reproducing device. <P>SOLUTION: When the switching operation of the input source of the video images is performed in the display while displaying the video images reproduced by the reproducing device, the display transmits a switching notice to the reproducing device and starts timing. The reproducing device which receives the switching notice stops reproduction and transmits a stop notice to the display, and the display which receives the stop notice switches the input source. After the lapse of the prescribed time, the display displays a message inquiring reproduction restart by the reproducing device, and the reproduction restart of the reproducing device and the input switching of the display are performed according to user' selection. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a video display system comprising a display device such as a liquid crystal display for displaying video, and a playback device for playing back video recorded on a recording medium, and a display device that constitutes a component of this system, and The present invention relates to a playback device.

  2. Description of the Related Art Conventionally, DVD recorders or hard disk recorders that record (reproduce) a television broadcast video on a recording medium such as a DVD (Digital Versatile Disk) or a hard disk are widely used. In addition, DVD players that only reproduce video recorded on a DVD or the like are also widespread. A playback device having a function of playing back these images is connected to a display device such as a liquid crystal display via a signal line for transmitting a video signal, and displays the video by outputting the video signal to the display device. Can do.

  For example, the user stops the playback process of the video by the playback device, and the input source of the video displayed on the display device is other than the playback device (video of a TV program received by the tuner or video input from another playback device, etc.) In the case of switching, the playback device is left with the power turned on. Further, for example, when the user switches the input source of the video displayed on the display device to a device other than the playback device without stopping the playback processing, the playback device continues to perform the playback processing. In such a case, the user must perform playback processing and power-off of the playback device by his / her own operation.

  In recent years, in order to output a digital video signal from a playback device to a display device, terminals corresponding to HDMI (High-Definition Multimedia Interface) standards are provided in the display device and the playback device, respectively. In the HDMI standard, video and audio can be output from a playback device to a display device with a single cable. Furthermore, data can be transmitted and received between the display device and the playback device, and mutual control can be performed using a control method called CEC (Consumer Electronics Control). As a result, when the playback device starts playing the video, the display device is automatically turned on to start displaying the video, or when the display device is turned off, the playback device is automatically turned on. It is possible to perform control such as turning off.

Patent Document 1 proposes an external device control apparatus that automatically controls an external device connected to a selected input in conjunction with input switching. In this external device control device, information such as the manufacturer name, device name, and remote control code of the external device to be controlled at the time of input switching is set, and based on this setting content, it is connected to the external input at the time of input switching. Control is performed such as turning on the power and starting playback of the external device. For example, when an external device is connected to the “Video 1” terminal and the input is switched to “Video 1”, whether to turn on the external device or start playback by turning on the power. Can be set. Also, for example, when the input is switched to other than “Video 1”, it is possible to set whether to turn off the power of the external device or to stop playback and turn off the power.
JP 2002-354351 A

  For example, a user can view a video such as a movie recorded on a recording medium on a display device for various reasons, such as watching a television broadcast news program while playing the video on a playback device. May be temporarily switched. In such a case, the external device control device described in Patent Document 1 performs control to automatically (forcefully) turn off the power of the playback device. However, in such a case, for example, after the user temporarily switches the video and views the news program, the user switches to return the display to the original video in order to continue viewing the video reproduced by the playback device. Probability is high. The external device control device of Patent Literature 1 can automatically play back the playback device when the display is switched back to the original video. However, when a playback device that has been turned off is turned on again, the time required to start playback is longer than when playback is started without turning off the power. . For this reason, there is a possibility that the comfort and the like related to the user's video viewing may be reduced by performing the forced power-off control of the playback device.

  The present invention has been made in view of such circumstances, and the object of the present invention is not to forcibly turn on / off the playback device in response to switching of the video displayed on the display device. Another object of the present invention is to provide a video display system, a display device, and a playback device that can control a playback device suitable for video viewing by a user.

  The video display system according to the present invention is a selection unit that selects and outputs one video signal from a plurality of video signals including a video signal input from the input unit that receives a video signal from another device. And a display device having display means for displaying video related to the video signal selected and output by the selection means, and playback means for playing back the video recorded on the recording medium and outputting the video signal for display, And a playback device connected to the input unit of the display device and having an output unit for outputting the video signal played back by the playback means to the display device, wherein the display device and the playback device mutually transmit and receive information. In the video display system having communication means to perform, the display device receives a switching operation accepting means for accepting an operation for switching the selection of the selecting means, and a video signal inputted from the input unit When the switching operation accepting unit accepts an operation for switching the selection by the selecting unit to another video signal, a switching notifying unit for notifying the playback device of the switching by the communication unit, a timing unit for measuring time, An information display processing means for performing a process of displaying notification information relating to the elapse of a predetermined time when the time measurement by the time measuring means has passed a predetermined time after the switching operation reception means has received the operation; The playback device includes stop means for stopping playback by the playback means when the switching notification means of the display device notifies the switching to another video signal.

  In the video display system according to the present invention, the display device receives a program related to television broadcasting and program guide information, and broadcasts a program based on the program guide information received by the receiver. End determining means for determining whether or not the processing has been completed, and the selecting means is one of a plurality of video signals including a video signal input from the input unit and a video signal related to a program received by the receiving means. An operation for switching the selection by the selection unit from the video signal input from the input unit to the video signal related to the program received by the reception unit. The information display processing means notifies the notification when the time measured by the time measuring means has passed a predetermined time and the end determining means determines that the broadcast of the program has ended. It characterized in that you have to perform a process of displaying a broadcast.

  The video display system according to the present invention is characterized in that the notification information includes a time measurement result of the time measuring means.

  In the video display system according to the present invention, the notification information includes an inquiry as to whether or not playback by the playback means of the playback device is to be started, and the display device performs the playback according to the notification information. A selection receiving unit that receives a selection as to whether or not to start, and a selection that notifies the playback device that the selection is accepted by the communication unit when the selection receiving unit receives a selection to start the playback. And a playback unit of the playback apparatus, wherein the playback unit starts playback when the selection notification unit is notified of acceptance of selection to start playback.

  In the video display system according to the present invention, the notification information includes an inquiry as to whether or not to turn off the power of the playback device, and the display device turns on the power of the playback device according to the notification information. A selection receiving unit that receives a selection as to whether or not to turn off; and when the selection receiving unit receives a selection to turn off the power of the playback device, the communication unit receives the selection from the playback device. A selection notification means for notifying, and the playback device performs a process of turning off the power when the selection notification means of the display device is notified of the acceptance of the selection of turning off the power. It is characterized by.

  Also, the video display system according to the present invention relates to a receiving means for receiving a program related to television broadcasting and program guide information, an input unit for receiving a video signal from another device, and a program received by the receiving means. Selection means for selecting and outputting one video signal from a plurality of video signals including a video signal and a video signal input from the input unit, and displaying a video related to the video signal selected and output by the selection means A display device having display means; playback means for playing back video recorded on a recording medium and outputting a video signal for display; and video signal connected to an input unit of the display device and played back by the playback means And a playback device having an output unit for outputting to the display device, and the display device and the playback device each have communication means for mutually transmitting and receiving information, The display device includes a switching operation receiving unit that receives an operation of switching the selection of the selection unit, and an operation of switching the selection by the selection unit from a video signal input from the input unit to another video signal. Is received, the switching notification means for notifying the playback device of the switching by the communication means, and the end determination for determining whether or not the broadcast of the program is ended based on the program guide information received by the receiving means. And after the switching operation accepting unit accepts an operation of switching the selection by the selecting unit from the video signal input from the input unit to the video signal related to the program received by the receiving unit, Information display processing means for performing a process of displaying notification information relating to the passage of a predetermined time when it is determined that the broadcast of the program has ended, Raw device, when notified of the switching to another video signal by switching notification unit of said display device, characterized by having a stop means for stopping the reproduction by said reproducing means.

  The video display system according to the present invention selects and outputs one video signal from an input unit to which a video signal from another device is input and a plurality of video signals including the video signal input from the input unit. And a display device having display means for displaying video related to the video signal selected and output by the selection means, and playback for reproducing the video recorded on the recording medium and outputting the video signal for display And a playback device connected to the input unit of the display device and having an output unit for outputting the video signal played back by the playback unit to the display device, wherein the display device and the playback device send and receive information. In the video display system having communication means for performing each other, the display device includes a switching operation reception means for receiving an operation for switching the selection of the selection means, and a video input from the input unit. A switching notification means for notifying the playback apparatus of the switching by the communication means when the switching operation reception means receives an operation for switching the selection by the selection means from a signal to another video signal; and a predetermined time from the playback apparatus Information display processing means for performing a process of displaying notification information relating to the passage of a predetermined time when the progress of the display device is notified, and the playback device transfers to another video signal by the switching notification means of the display device. When the switching is notified, the stop means for stopping the reproduction by the reproducing means, the timing means for timing, and the switching notification means of the display device are notified of the switching to another video signal, And a progress notification means for notifying the display device of the elapse of the predetermined time when the predetermined time has elapsed by the time measuring means. To.

  In the video display system according to the present invention, the display device receives a program related to television broadcasting and program guide information, and broadcasts a program based on the program guide information received by the receiver. End determining means for determining whether or not the processing has been completed, and the selecting means is one of a plurality of video signals including a video signal input from the input unit and a video signal related to a program received by the receiving means. The video signal input from the input unit to the video signal related to the program received by the receiving unit, and then the reproduction is performed after the selection by the selection unit is switched. When the elapse of a predetermined time is notified from the apparatus and the end determination unit determines that the broadcast of the program has ended, the information display processing unit performs a process of displaying the notification information And wherein the are.

  The display device according to the present invention selects and outputs one video signal from an input unit to which a video signal from another device is input and a plurality of video signals including the video signal input from the input unit. In the display device, comprising: a selection unit that performs selection, a display unit that displays an image related to the video signal selected and output by the selection unit, and a communication unit that transmits and receives information to and from the other device. A switching operation accepting unit that accepts an operation for switching the selection of the means, and the switching operation accepting unit that accepts an operation for switching the selection by the selecting unit from a video signal input from the input unit to another video signal. A switching notification means for notifying the other device of the switching by means of communication means, a timing means for timing, and a timing by the timing means after the switching operation accepting means has accepted the operation. If has elapsed constant time, characterized in that it comprises an information display processing means for performing a process of displaying broadcast information according to a predetermined time elapses.

  In addition, the display device according to the present invention includes a receiving unit that receives a program related to television broadcasting and program guide information, and whether or not the program has ended based on the program guide information received by the receiving unit. An end determination unit for determining, and the selection unit selects one video signal from a plurality of video signals including a video signal input from the input unit and a video signal related to a program received by the reception unit. The timekeeping operation is performed after the switching operation accepting means accepts an operation of switching the selection by the selection means from a video signal input from the input unit to a video signal related to a program received by the receiving means. When the time measured by the means has passed a predetermined time and the end determination means determines that the broadcast of the program has ended, the information display processing means performs processing for displaying the notification information Unishi wherein the are.

  Further, the playback device according to the present invention includes a playback unit that plays back video recorded on a recording medium and outputs a video signal for display, and another video display unit that displays the video signal played back by the playback unit. In a playback device including an output unit that outputs to a device and a communication unit that transmits and receives information to and from the other device, a video displayed by the other device is related to a video signal output from the output unit When the communication means notifies that the video has been switched to another video, the stop means for stopping the playback by the playback means, the time measuring means for timing, and the fact that the switching has been made from the other device And a progress notifying unit for notifying the other device of the elapse of the predetermined time when the predetermined time has elapsed after the notification.

In the present invention, the display device and the playback device can transmit and receive information to and from each other, such as an HDMI standard cable connection. The display device notifies the playback device when the switching operation of the video to be displayed is performed from the video played back by the playback device to another video, whereby the playback device stops the playback of the video (or Pause). In addition, the display device starts counting elapsed time after the switching operation is performed, and when a predetermined time (for example, 1 hour) has passed, displays information related to the passage of the predetermined time.
The notification information includes a message for notifying the user of the elapsed time since switching (for example, a message such as “1 hour has passed”), and a message for inquiring whether or not to start playback of video by the playback device (for example, “ Message that asks whether or not to turn off the power of the playback device (for example, a message such as "Do you want to turn off the playback device?") It may be.
When the display device displays such notification information after a predetermined time has elapsed, the user can be prompted to control the playback device. For example, when the user resumes viewing the video by the playback device, the playback device is not forcibly turned off after the video is switched, so that the video playback processing by the playback device can be started quickly. it can. In addition, when the user does not resume viewing the video by the playback device, the user can be prompted to turn off the power to the playback device, thereby reducing power consumption.

However, for example, when the user switches the display and temporarily watches the video of the television broadcast, if the information is displayed when a predetermined time has elapsed, there is a possibility that the viewing of the television broadcast may be hindered. Therefore, the display device receives the program guide information together with the television broadcast program, and determines the end of the broadcast of the displayed program based on this information. When a predetermined time elapses after the video to be displayed is switched from the video reproduced by the playback device to the video related to the television broadcast program, and the television broadcast program ends, the display device displays the notification information. Display. Thereby, the notification information can be displayed without hindering the user from watching the television broadcast.
Further, in the case of a configuration for determining the end of a television broadcast program, the notification information may be displayed after the program ends without measuring the predetermined time after switching.

  When the display device displays a message for inquiring whether or not to start video playback by the playback device when the elapsed time exceeds a predetermined time, for example, whether or not to start video playback on the display device Means is provided for accepting such a selection from the user. When receiving a selection to start video playback, the display device notifies the playback device to this effect, and the playback device starts video playback in response to this notification. Further, the display device switches the video to be displayed to the video output from the playback device, so that the user can resume viewing the video played back by the playback device without performing a direct operation on the playback device.

  When the display device displays a message asking whether or not to turn off the power of the playback device when the elapsed time exceeds a predetermined time, for example, selection regarding whether or not to turn off the power to the display device A means for accepting is provided. When the selection to turn off the power is received, the display device notifies the playback device to that effect, and the playback device performs processing related to power-off by this notification. The display device may display a video other than the video output from the playback device. Thus, the user can turn off the power of the playback device without performing a direct operation on the playback device.

In the present invention, the playback device may be configured to measure the elapsed time after the switching by the display device. When the video to be displayed is switched from the video reproduced by the playback device to another video, the display device notifies the playback device that the switching has been performed. With this notification, the playback device stops the playback process and starts counting elapsed time. When the predetermined time has elapsed, the playback device notifies the display device that the predetermined time has elapsed. With this notification, the display device displays the notification information as described above.
Even in a configuration in which the playback device counts the elapsed time, the user can be prompted to control the playback device, as in the configuration in which the display device performs. In addition, the display device may be configured to display notification information when a notification that a predetermined time has elapsed from the playback device has been given and the television broadcast program has ended.

  According to the present invention, when the video displayed on the display device is switched from the video played by the playback device to another video, the playback processing of the playback device is stopped and a predetermined time has elapsed since the switching was performed. After that, the display device displays the notification information, so that the playback device can be started or powered off based on the user's operation performed on the displayed notification information. Control of a playback apparatus suitable for viewing the video can be performed. Therefore, the user operability with respect to the display device and the playback device can be improved, and the user's viewing comfort can be improved. Therefore, the convenience of the video display system including the display device and the playback device is improved. be able to.

(Embodiment 1)
Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof. 1 and 2 are block diagrams showing the configuration of the video display system according to Embodiment 1 of the present invention. FIG. 1 shows the details of the display device constituting the video display system, and FIG. Details of the device are shown. In the figure, reference numeral 1 denotes a display device such as a liquid crystal display, which performs processing for displaying the video reproduced by the reproduction device 3 such as a DVD player on the display unit 14. The display device 1 and the playback device 3 are connected via an HDMI standard cable 7.

  The display device 1 is connected to a tuner 17 that receives a television broadcast such as a terrestrial digital television broadcast (hereinafter referred to as a TV broadcast) and an external device such as the playback device 3 via a cable 7, and video from the external device. Three input terminals 21 to 23 to which signals are input are provided, and any one of the video received by the tuner 17 or the video input from the input terminals 21 to 23 can be displayed on the display unit 14. .

  The tuner 17 receives a TV broadcast radio wave with an antenna (not shown), and can amplify and demodulate the received signal to obtain a video signal related to the television program, and provides this video signal to the selection unit 16. . The tuner 17 can receive and acquire an electronic program guide (EPG (Electronic Program Guide)) transmitted together with the TV broadcast, and provides the acquired EPG to the selection unit 16.

  The three input terminals 21 to 23 are HDMI standard input terminals. In the HDMI standard, signals related to video and audio can be transmitted and received via one cable 7 and control information can be transmitted and received. Each of the input terminals 21 to 23 has control information between the input unit 25 to which a video signal is input from the playback device 3 or other external device via the connected cable 7 and the playback device 3 or other external device. (The input unit 25 and the communication unit 26 are shown only in the input terminal 21 in FIG. 1, and the other input terminals 22 and 23 are not shown). Each of the input terminals 21 to 23 supplies the video signal input to the input unit 25 to the selection unit 16.

  The selection unit 16 selects and outputs any one video signal from the four video signals given from the tuner 17 and the three input terminals 21 to 23. Which video signal the selection unit 16 outputs, that is, selection switching of the selection unit 16 is controlled by the control unit 11, and one video signal output by the selection unit 16 is given to the control unit 11.

  The control unit 11 performs control processing of each unit of the display device 1 and various arithmetic processing, and is specifically configured by a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). The control unit 11 gives the video signal given from the selection unit 16 to the display processing unit 13. The display processing unit 13 performs various processing such as filter processing or gradation correction processing on the video signal given from the control unit 11, and then converts the video signal into a signal suitable for display on the display unit 14, This is given to the display unit 14. As a result, the display device 1 can display the video related to one video signal selected and output by the selection unit 16 on the display unit 14.

  The display device 1 includes an operation unit 12 having a plurality of switches or buttons for receiving user operations. When the operation unit 12 receives an operation, the operation unit 12 notifies the control unit 11 accordingly. The control unit 11 performs control of selection switching by the selection unit 16 and control of processing such as filter processing or gradation correction processing performed by the display processing unit 13 in accordance with the operation received by the operation unit 12. Note that the operation unit 12 may use a remote controller.

  The display device 1 also includes a storage unit 15 in which the control unit 11 writes and reads data. The storage unit 15 is configured by a memory element such as an SRAM (Static Random Access Memory), a DRAM (Dynamic Random Access Memory), an EEPROM (Electrically Erasable Programmable Read Only Memory), or a flash memory. The control unit 11 can store various data such as setting values related to display set by the user and temporary data generated in the course of the arithmetic processing in the storage unit 15. Further, when a video signal related to TV broadcast received by the tuner 17 is given from the selection unit 16 to the control unit 11, the control unit 11 can acquire the EPG 15a together with the video signal, and the control unit 11 stores the EPG 15a. Store in unit 15.

  Further, the display device 1 includes a timer unit 18 for measuring time. The timing unit 18 is controlled by the control unit 11 to start and stop timing, and gives a timing result to the control unit 11.

  The playback device 3 includes a disk drive 34 that reads data recorded on an optical disk 5 such as a DVD or a Blu-ray disk. Data relating to video is recorded in advance on the optical disc 5. The disk drive 34 includes a tray on which the optical disk 5 is mounted, a motor that rotates the mounted optical disk 5, an optical pickup that irradiates the optical disk 5 with light beams and receives reflected light, and the like. Video data is read from the optical disk 5 by light reception by the pickup, and the read video data is given to the control unit 31.

  The control unit 31 performs control processing of various units of the playback device 3 and various arithmetic processes, and is specifically configured by a CPU, an MPU, or the like. The control unit 31 gives the video data read from the optical disk 5 by the disk drive 34 to the reproduction processing unit 33, and the reproduction processing unit 33 performs the reproduction process by decoding the video data given from the control unit 31. The video data is provided to the control unit 31. The control unit 31 gives the video data decoded by the reproduction processing unit 33 to the output terminal 35.

  The output terminal 35 is an HDMI standard output terminal, and is connected to the display device 1 via the cable 7. The output terminal 35 can transmit video and audio signals to the display device 1 via the cable 7 and can transmit and receive control information. The output terminal 35 includes an output unit 36 that outputs video data supplied from the control unit 31 as a video signal to the display device 1 via the cable 7, and a communication unit 37 that transmits and receives control information between the control device 1. And have. The communication unit 37 of the output terminal 35 transmits the control information given from the control unit 31 to the display device 1, receives the control information sent from the display device 1, and gives it to the control unit 31.

  In addition, the playback device 3 includes an operation unit 32 having a plurality of switches or buttons for receiving user operations. When the operation unit 32 receives an operation, the operation unit 32 notifies the control unit 31 accordingly. The control unit 31 controls processing such as start or stop of reproduction processing of the video recorded on the optical disc 5 in accordance with the operation received by the operation unit 32. Note that the operation unit 32 may use a remote controller.

  The illustrated video display system has a configuration in which the display device 1 and the playback device 3 are connected by a cable 7, and the user operates the operation unit 12 of the display device 1 to switch the video input source to the tuner 17. The apparatus 1 can watch TV broadcast programs. At this time, the power supply of the playback device 3 may be off.

  When viewing the video recorded on the optical disc 5, the operation unit 12 of the display device 1 is operated to switch the video input source to the input terminal 21, and the operation unit 32 of the playback device 3 is operated to start playback of the video. As a result, the user can display the video recorded on the optical disc 5 on the display unit 14 of the display device 1.

  Next, when the video recorded on the optical disk 5 is played back by the playback device 3 and displayed on the display device 1, the user operates the operation unit 12 of the display device 1 to input the video input source to the input terminal 21. A process performed by the display device 1 and the playback device 3 of the video display system according to the present invention when switching from the tuner 17 to the other input terminals 22 and 23 will be described. 3 and 4 are display examples of images displayed by the display device 1 according to Embodiment 1 of the present invention. FIG. 5 is a schematic diagram for explaining processing of the video display system according to Embodiment 1 of the present invention, and shows an example of processing performed by the display device 1 and the playback device 3.

  When the playback device 3 plays back the video recorded on the optical disc 5 (P1) and the playback device 1 displays the played back video (D1) (see FIG. 3A), the operation of the display device 1 is performed. When the video input source is switched from the input terminal 21 to the tuner 17 (to TV broadcasting) by operating the unit 12 (D2) (see FIG. 3B), the display device 1 notifies that switching is performed. A switching notification (M1) is transmitted to the playback device 3, and the timer 18 starts timing (D3).

  The playback device 3 that has received the switching notification (M1) stops playback of the video (P2), and transmits a stop notification (M2) to notify the display device 1 of the stop. The display device 1 that has received the stop notification (M2) switches the input source of the video selected by the selection unit 16 to the tuner 17 (D4). Thereby, the video concerning the TV broadcast program received by the tuner 17 is displayed on the display device 1 (see FIG. 3C). After that, the display device 1 displays a message (notification information) for notifying the elapsed time since the switching is performed on the display unit 14 (D6) when a predetermined time has elapsed due to the timing of the clock unit 18 (D5). (See FIG. 4). The predetermined time from switching to message display may be a predetermined time such as 30 minutes or 1 hour, for example, or may be configured such that the user can set an arbitrary time in advance.

  The message for notifying the elapsed time may be displayed in a rectangular area (so-called window) displayed at the lower center of the display unit 14 as shown in FIG. 4, for example. Absent. For example, only the message may be displayed at an appropriate place such as the upper side of the display unit 14, the message may be displayed over the entire display unit 14, or the message may be displayed by another method. Further, the message is not only displayed as characters, but may be displayed as a picture or figure such as a so-called icon, or a combination thereof. Data for composing these messages may be stored in advance in the display processing unit 13, stored in advance in the storage unit 15, read out by the control unit 11, and given to the display processing unit 13. It may be a configuration.

  Next, processing performed by the display device 1 and the playback device 3 will be described with reference to a flowchart. FIG. 6 is a flowchart showing a procedure of processing performed by the display device 1 according to Embodiment 1 of the present invention, and is processing performed by the control unit 11 of the display device 1 controlling the operation of each unit. The illustrated process is a process that starts when the display device 1 displays the video reproduced by the reproduction device 3.

  First, the control unit 11 of the display device 1 determines whether or not a switching operation of a video input source has been performed by the operation unit 12 (step S1), and when the switching operation has not been performed (S1: NO). Wait until the switching operation is performed. When the switching operation is performed (S1: YES), the control unit 11 transmits a switching notification from the communication unit 26 to the playback device 3 via the cable 7 (step S2), and starts measuring the elapsed time by the time measuring unit 18. (Step S3).

  Next, the control unit 11 checks whether or not a stop notification transmitted from the playback device 3 has been received (step S4). If no stop notification has been received (S4: NO), the control unit 11 receives the stop notification. Wait until. When the stop notification is received (S4: YES), the control unit 11 switches the input source of the video signal by switching the selection of the selection unit 16 (step S5), and the time measurement of the time measurement unit 18 has passed a predetermined time. It is checked whether or not it has been done (step S6). When the predetermined time has not elapsed (S6: NO), the control unit 11 stands by until the predetermined time elapses. When the predetermined time has elapsed (S6: YES), the control unit 11 displays a message for notifying the elapse of the predetermined time on the display unit 14 (step S7), and ends the process.

  FIG. 7 is a flowchart showing a procedure of processing performed by the playback device 3 according to Embodiment 1 of the present invention, and is processing performed by the control unit 31 of the playback device 3 controlling the operation of each unit. The illustrated process is a process that is started in a state in which the playback device 3 is performing a video playback process.

  First, the control unit 31 of the playback device 3 checks whether or not the communication unit 37 has received a switching notification (see step S2 in FIG. 6) transmitted from the display device 1 (step S11). When the switching notification is not received (S11: NO), the control unit 31 continues the process of reading the video data from the optical disc 5 and reproducing it by the reproduction processing unit 33, and waits for the reception of the switching notification. When the switching notification is received (S11: YES), the control unit 31 stops the reproduction processing by the reproduction processing unit 33 (step S12), transmits a stop notification to the display device 1 (step S13), and ends the processing. To do.

  In the video display system having the above configuration, when the switching operation of the video input source is performed on the display device 1 and the video reproduced by the playback device 3 is switched to another video, the playback processing of the playback device 3 is performed. With this configuration, the user does not need to perform an operation to stop the playback of the playback device 3. In addition, by adopting a configuration in which the display device 1 displays a message after a lapse of a predetermined time since switching, the user can know the lapse of the predetermined time and determine whether or not to turn off the power of the playback device 3. be able to. If the playback device 3 does not view the video after that, the user can turn off the power of the playback device 3 to suppress power consumption. In addition, when viewing the video by the playback device 3 thereafter, the user can quickly restart the video playback without turning off the power of the playback device 3.

  In the present embodiment, the playback device 3 is a device that plays back video recorded on the optical disk 5 such as a DVD player. However, the playback device 3 is not limited to this and is recorded on other recording media such as a hard disk. It may be a device that reproduces video. Further, the playback device 3 may have a function of recording video on a recording medium. In addition, the display device 1 and the playback device 3 are connected with one HDMI standard cable 7. However, the present invention is not limited to this, and may be connected with other standard cables. However, it is necessary not only to give a video signal from the playback device 3 to the display device 1 but also to be able to communicate between the display device 1 and the playback device 3. In this case, the cable for the video signal and the cable for performing communication may be different cables. Further, the playback device 3 transmits a stop notification to the display device 1 after stopping the playback processing, and the display device 1 is configured to switch the input after receiving the stop notification. However, the present invention is not limited to this. A configuration in which the stop notification is not transmitted from the device 3 to the display device 1 may be employed.

(Embodiment 2)
FIG. 8 is a display example of an image displayed by the display device 1 according to Embodiment 2 of the present invention. FIG. 9 is a schematic diagram for explaining processing of the video display system according to Embodiment 2 of the present invention, and shows an example of processing performed by the display device 1 and the playback device 3. In the video display system according to the above-described first embodiment, when a predetermined time has elapsed after switching the input source of the video displayed on the display device 1, a message notifying the elapse of the predetermined time is only displayed on the display device 1. It is the composition. On the other hand, the video display system according to the second embodiment allows the user to select whether or not to resume the playback of the video by the playback device 3 after a predetermined time has elapsed, and when the user selects the restart of the playback. Is a configuration for automatically restarting the playback process of the playback device 3.

  When the playback device 3 plays back the video recorded on the optical disc 5 (P1) and the playback video is displayed on the display device 1 (D1), the operation unit 12 of the display device 1 is operated to display the video. When the input source is switched from the input terminal 21 to the tuner 17 (TV broadcast) (D2), the display device 1 transmits a switching notification (M1) to the playback device 3 and starts timing in the timer unit 18. (D3). The playback device 3 that has received the switching notification (M1) stops playback of the video (P2) and transmits a stop notification (M2) to the display device 1. The display device 1 that has received the stop notification (M2) switches the input source of the video selected by the selection unit 16 to the tuner 17 (D4). As a result, the video relating to the TV broadcast program received by the tuner 17 is displayed on the display device 1. These processes are the same as those of the video display system according to the first embodiment.

  Thereafter, the display device 1 displays a message for inquiring whether or not to resume the reproduction of the video by the reproduction device 3 (D11) when a predetermined time has elapsed due to the time measurement by the time measurement unit 18 (D5) (FIG. 8A). )reference). The inquiry message displays a character string such as “Do you want to start playing input 1” in a message window and a button for selecting either “Yes” or “No”. The user can select either “Yes” or “No” using the operation unit 12. The display of the inquiry message shown in FIG. 8 is an example and is not limited to this.

  When “Yes” is selected by the operation of the operation unit 12 and resumption of reproduction processing by the reproduction device 3 is selected (D12), the display device 1 notifies the resumption notification (notification that resumption of reproduction processing is selected) ( M3) is transmitted to the playback apparatus 3, and the input source of the video selected by the selection unit 16 is switched from the tuner 17 to the input terminal 21 (D13). The playback device 3 that has received the restart notification restarts playback of the stopped video (P11). Thereby, the video reproduced by the playback device 3 is displayed on the display device 1 (see FIGS. 8B and 8C). If “No” is selected, the restart notification is not transmitted from the display device 1 to the playback device 3, and the display device 1 continues to display the TV broadcast.

  FIG. 10 is a flowchart showing a procedure of processing performed by the display device 1 according to Embodiment 2 of the present invention, and processing that is started when the display device 1 displays the video reproduced by the playback device 3. It is. First, the control unit 11 of the display device 1 determines whether or not a switching operation of a video input source has been performed by the operation unit 12 (step S21), and when the switching operation has not been performed (S21: NO). Wait until the switching operation is performed. When the switching operation is performed (S21: YES), the control unit 11 transmits a switching notification from the communication unit 26 to the playback device 3 via the cable 7 (step S22), and starts counting elapsed time by the time measuring unit 18. (Step S23).

  Next, the control unit 11 checks whether or not a stop notification transmitted from the playback device 3 has been received (step S24). If no stop notification has been received (S24: NO), the control unit 11 receives the stop notification. Wait until. When the stop notification is received (S24: YES), the control unit 11 switches the input source of the video signal by switching the selection of the selection unit 16 (step S25), and the time measurement of the time measurement unit 18 has passed a predetermined time. It is checked whether or not it has been done (step S26). When the predetermined time has not elapsed (S26: NO), the control unit 11 waits until the predetermined time elapses.

  When the predetermined time has elapsed (S26: YES), the control unit 11 displays a message asking whether or not to resume the video by the playback device 3 (step S27), and the operation unit 12 responds to this message. It is determined whether or not the selection made by the user is a selection for restarting reproduction (step S28). In the case of selection of resumption of reproduction (S28: YES), the control unit 11 transmits a resumption notification from the communication unit 26 to the reproduction device 3 (step S29), and switches the selection of the selection unit 16 to change the input source of the video signal. The tuner 17 is switched to the input terminal 21 (step S30), the process is terminated, and the video reproduced by the reproduction device 3 is displayed. If it is determined in step S28 that the reproduction is not resumed (S28: NO), the control unit 11 ends the process and displays the TV broadcast video received by the tuner 17.

  FIG. 11 is a flowchart showing a procedure of processing performed by the playback device 3 according to Embodiment 2 of the present invention, and is a process started when the playback device 3 is performing video playback processing. First, the control unit 31 of the playback device 3 checks whether or not the communication unit 37 has received a switching notification transmitted from the display device 1 (step S41). When the switching notification has not been received (S41: NO), the control unit 31 continues the process of reading the video data from the optical disc 5 and reproducing it by the reproduction processing unit 33, and waits for the reception of the switching notification. When the switching notification is received (S41: YES), the control unit 31 stops the reproduction process by the reproduction processing unit 33 (step S42), and transmits a stop notification to the display device 1 (step S43).

  Next, the control unit 31 checks whether or not a restart notification (see step S29 in FIG. 10) transmitted from the display device 1 has been received (step S44). When the restart notification has not been received (S44: NO), the control unit 31 waits until the restart notification is received. When the resumption notification is received (S44: YES), the control unit 31 resumes the reproduction process by the reproduction processing unit 33 (step S45), ends the process, and performs the video reproduction process.

  In the video display system according to the second embodiment having the above-described configuration, the display device 1 displays a message inquiring resumption of playback after a predetermined time has elapsed since the switching of the video input source, and the playback of the playback device 3 is performed according to the user's selection. By adopting a configuration in which the input is resumed and the display device 1 is switched, the user can determine and select which video of the tuner 17 or the playback device 3 is to be viewed after a predetermined time has elapsed. In addition, since the user only performs a selection operation on the displayed message and does not need to perform an operation such as an input switching operation of the display device 1 and a reproduction restart operation of the reproduction device 3, labor related to the user's operation is omitted. Thus, the operability and convenience of the video display system can be improved.

  Since the other configuration of the video display system according to the second embodiment is the same as that of the video display system according to the first embodiment, the same portions are denoted by the same reference numerals and detailed description thereof is omitted. To do.

(Embodiment 3)
FIG. 12 is a display example of an image displayed by the display device 1 according to Embodiment 3 of the present invention. FIG. 13 is a schematic diagram for explaining processing of the video display system according to Embodiment 3 of the present invention, and shows an example of processing performed by the display device 1 and the playback device 3. The video display system according to the second embodiment is configured to allow the user to select whether or not to resume video playback by the playback device 3 after a predetermined time has elapsed. In contrast, the video display system according to the third embodiment allows the user to select whether or not to turn off the power of the playback device 3 after a predetermined time has elapsed, and when the user selects power off, playback is performed. In this configuration, the power of the device 3 is automatically turned off.

  When the playback device 3 plays back the video recorded on the optical disc 5 (P1) and the playback video is displayed on the display device 1 (D1), the operation unit 12 of the display device 1 is operated to display the video. When the input source is switched from the input terminal 21 to the tuner 17 (TV broadcast) (D2), the display device 1 transmits a switching notification (M1) to the playback device 3 and starts timing in the timer unit 18. (D3). The playback device 3 that has received the switching notification (M1) stops playback of the video (P2) and transmits a stop notification (M2) to the display device 1. The display device 1 that has received the stop notification (M2) switches the input source of the video selected by the selection unit 16 to the tuner 17 (D4). As a result, the video relating to the TV broadcast program received by the tuner 17 is displayed on the display device 1. These processes are the same as those of the video display system according to the first embodiment.

  Thereafter, the display device 1 displays a message for inquiring whether or not to turn off the power of the playback device 3 (D21) (D21) when a predetermined time has elapsed due to the time count of the time measuring unit 18 (D5) (see FIG. 12). The inquiry message displays a character string such as “Do you want to turn off the input 1?” In a message window and a button for selecting either “Yes” or “No”. The user can select either “Yes” or “No” using the operation unit 12. Note that the display of the inquiry message shown in FIG. 12 is an example, and the present invention is not limited to this.

  When “Yes” is selected by the operation of the operation unit 12 and the power-off of the playback device 3 is selected (D22), the display device 1 sends a power-off notification (M4) for notifying that the power-off is selected. The TV broadcast transmitted to the playback device 3 and received by the tuner 17 is continuously displayed. The playback device 3 that has received the power-off notification turns off the power (P21). If “No” is selected, a power-off notification is not transmitted from the display device 1 to the playback device 3, and the playback device 3 stands by in a power-on state.

  FIG. 14 is a flowchart showing a procedure of processing performed by the display device 1 according to Embodiment 3 of the present invention, and processing started when the display device 1 displays the video reproduced by the playback device 3. It is. First, the control unit 11 of the display device 1 determines whether or not a switching operation of the video input source has been performed by the operation unit 12 (step S51), and when the switching operation has not been performed (S51: NO). Wait until the switching operation is performed. When the switching operation is performed (S51: YES), the control unit 11 transmits a switching notification from the communication unit 26 to the playback device 3 via the cable 7 (step S52), and starts counting the elapsed time by the time measuring unit 18. (Step S53).

  Next, the control unit 11 checks whether or not a stop notification transmitted from the playback device 3 has been received (step S54). If no stop notification has been received (S54: NO), the control unit 11 receives the stop notification. Wait until. When the stop notification is received (S54: YES), the control unit 11 switches the input source of the video signal by switching the selection of the selection unit 16 (step S55), and the timing of the time measuring unit 18 has passed a predetermined time. It is checked whether or not it has been done (step S56). When the predetermined time has not elapsed (S56: NO), the control unit 11 stands by until the predetermined time has elapsed.

  When the predetermined time has elapsed (S56: YES), the control unit 11 displays a message asking whether or not to turn off the power of the playback device 3 (step S57), and the operation unit 12 responds to this message. It is determined whether or not the selection by the user is a selection for turning off the power (step S58). In the case of selection to turn off the power (S58: YES), the control unit 11 transmits a power off notification from the communication unit 26 to the playback device 3 (step S59), ends the processing, and transmits the TV broadcast received by the tuner 17. Display the video. If the selection is not to turn off the power (S58: NO), the control unit 11 ends the process and displays the TV broadcast video received by the tuner 17.

  FIG. 15 is a flowchart showing a procedure of processing performed by the playback device 3 according to Embodiment 3 of the present invention, and is a process started when the playback device 3 is performing video playback processing. First, the control unit 31 of the playback device 3 checks whether or not the communication unit 37 has received a switching notification transmitted from the display device 1 (step S61). When the switching notification has not been received (S61: NO), the control unit 31 continues the process of reading the video data from the optical disc 5 and reproducing it by the reproduction processing unit 33, and waits for the reception of the switching notification. When the switching notification is received (S61: YES), the control unit 31 stops the reproduction process by the reproduction processing unit 33 (step S62), and transmits a stop notification to the display device 1 (step S63).

  Next, the control unit 31 checks whether a power-off notification (see step S59 in FIG. 14) transmitted from the display device 1 has been received (step S64). When the power-off notification is not received (S64: NO), the control unit 31 waits until the power-off notification is received. When the power-off notification is received (S64: YES), the control unit 31 performs a process of turning off the power of the playback device 3 (step S65) and ends the process.

  In the video display system according to Embodiment 3 having the above-described configuration, the display device 1 displays a message asking whether or not to turn off the power of the playback device 3 after a predetermined time has elapsed since the switching of the video input source. By adopting a configuration in which the power of the playback device 3 is turned off according to the selection, the user can determine by himself / herself whether to turn off the power of the playback device 3 after a predetermined time has elapsed. Further, the user can turn off the power of the playback device 3 only by performing a selection operation on the displayed message, and it is not necessary to perform a power-off operation on the playback device 3, so that the user's operation is saved. Thus, the operability and convenience of the video display system can be improved.

  Other configurations of the video display system according to the third embodiment are the same as those of the video display system according to the first embodiment, and thus the same components are denoted by the same reference numerals and detailed description thereof is omitted. To do.

(Embodiment 4)
FIG. 16 is a schematic diagram for explaining processing of the video display system according to Embodiment 4 of the present invention, and shows an example of processing performed by the display device 1 and the playback device 3. The video display systems according to the above-described first to third embodiments are configured to display various messages after a predetermined time has elapsed since switching the input source of the video to be displayed. If a message is displayed during the viewing, viewing may be hindered. Therefore, the video display system according to the fourth embodiment displays various messages after a predetermined time has elapsed since the video input source was switched and the TV broadcast program being viewed ends.

  Note that the video display system according to the fourth embodiment is configured to display a message for inquiring resumption of playback by the display device 1, as in the video display system according to the second embodiment, but is not limited thereto. Although detailed description is omitted, for example, the display device 1 may be configured to display a message notifying the elapsed time, as in the video display system according to the first embodiment, and the video display according to the third embodiment. Similarly to the system, a message for inquiring whether or not to turn off the power of the playback apparatus 3 may be displayed.

  When the playback device 3 plays back the video recorded on the optical disc 5 (P1) and the playback video is displayed on the display device 1 (D1), the operation unit 12 of the display device 1 is operated to display the video. When the input source is switched from the input terminal 21 to the tuner 17 (TV broadcast) (D2), the display device 1 transmits a switching notification (M1) to the playback device 3 and starts timing in the timer unit 18. (D3). The playback device 3 that has received the switching notification (M1) stops playback of the video (P2) and transmits a stop notification (M2) to the display device 1. The display device 1 that has received the stop notification (M2) switches the input source of the video selected by the selection unit 16 to the tuner 17 (D4). As a result, the display device 1 displays an image related to the television broadcast program received by the tuner 17. These processes are the same as those of the video display system according to the first to third embodiments.

  Thereafter, the display device 1 receives a TV broadcast program related to the video which has been received by the tuner 17 of the display device 1 and displayed on the display unit 14 after a predetermined time has elapsed (D5) due to the time measured by the time measuring unit 18. That is, when the program being viewed by the user is completed (D31), a message for inquiring whether or not to replay the video by the playback device 3 is displayed (D32). When the resumption of the reproduction process by the reproduction device 3 is selected by the operation of the operation unit 12 (D33), the display device 1 transmits a resumption notification (M3) to the reproduction device 3 and the video selected by the selection unit 16 The input source is switched from the tuner 17 to the input terminal 21 (D34). The playback device 3 that has received the restart notification restarts playback of the stopped video (P11). Thereby, the video reproduced by the reproduction device 3 is displayed on the display device 1. If “No” is selected, the restart notification is not transmitted from the display device 1 to the playback device 3, and the display device 1 continues to display the TV broadcast.

  17 and 18 are flowcharts showing a procedure of processing performed by the display device 1 according to the fourth embodiment of the present invention, which starts in a state where the display device 1 displays a video reproduced by the playback device 3. Process. First, the control unit 11 of the display device 1 determines whether or not a switching operation of the video input source has been performed by the operation unit 12 (step S71), and when the switching operation has not been performed (S71: NO). Wait until the switching operation is performed. When the switching operation is performed (S71: YES), the control unit 11 transmits a switching notification from the communication unit 26 to the playback device 3 via the cable 7 (step S72), and starts counting the elapsed time by the time measuring unit 18. (Step S73).

  Next, the control unit 11 checks whether or not a stop notification transmitted from the playback device 3 has been received (step S74). If the stop notification has not been received (S74: NO), the control unit 11 receives the stop notification. Wait until. When the stop notification is received (S74: YES), the control unit 11 switches the input source of the video signal by switching the selection of the selection unit 16 (step S75), and the time measurement of the time measurement unit 18 has passed a predetermined time. It is checked whether or not it has been done (step S76). When the predetermined time has not elapsed (S76: NO), the control unit 11 waits until the predetermined time elapses.

  When the predetermined time has elapsed (S76: YES), the control unit 11 reads the EPG 15a stored in the storage unit 15 (step S77), receives it by the tuner 17, and displays the television broadcast displayed on the display unit 14. The end time of the program, that is, the program being viewed by the user is acquired from the EPG 15a (step S78). Next, the control unit 11 determines whether or not the program being viewed has ended by checking whether or not the current time has reached the end time (step S79).

  If the program has not ended (S79: NO), the control unit 11 further checks whether or not the television broadcast channel to be displayed has been changed by the user's operation on the operation unit 12 (step S80). If the channel has not been changed (S80: NO), the control unit 11 returns to step S79 and waits until the program being viewed ends or the channel is changed. When the channel is changed (S80: YES), the control unit 11 returns to step S77, acquires the end time of the program related to the changed channel, and the program being viewed ends or the channel is changed. Wait until it is changed.

  When the program being viewed has ended (S79: YES), the control unit 11 displays a message asking whether or not to resume the video by the playback device 3 (step S81), and in response to this message, the operation unit 12 It is determined whether or not the selection made by the user is a selection for restarting reproduction (step S82). In the case of selection of resumption of reproduction (S82: YES), the control unit 11 transmits a resumption notification from the communication unit 26 to the reproduction apparatus 3 (step S83), and switches the selection of the selection unit 16 to change the input source of the video signal. The tuner 17 is switched to the input terminal 21 (step S84), the process is terminated, and the video reproduced by the reproduction device 3 is displayed. If it is determined in step S82 that the reproduction is not resumed (S82: NO), the control unit 11 ends the process and displays the TV broadcast video received by the tuner 17.

  In the video display system according to the fourth embodiment having the above configuration, the display device 1 displays a message after a predetermined time has elapsed since the switching of the video input source and the program being viewed has ended. As a result, a message can be displayed to the user without hindering viewing of a program related to television broadcasting. In addition, the user can resume viewing the video by the playback device 3 at the timing when the program being viewed ends, and at this time, the user only needs to perform a selection operation on the displayed message. Therefore, the operability and convenience of the video display system can be improved.

  In addition, since the other structure of the video display system which concerns on Embodiment 4 is the same as that of the structure of the video display system which concerns on Embodiment 2, it attaches | subjects the same code | symbol to the same location, and abbreviate | omits detailed description To do.

(Modification)
FIG. 19 is a schematic diagram for explaining the process of the video display system according to the modification of the fourth embodiment of the present invention, and shows an example of the process performed by the display device 1 and the playback device 3. The video display system according to the above-described fourth embodiment is configured such that the display device 1 displays a message when a predetermined time has elapsed since switching and the program being viewed ends. On the other hand, the display device 1 of the video display system according to the modification does not measure time from switching, and displays a message when the program being viewed after the switching ends. Note that the processing of the playback device 3 according to the modification is the same as the processing of the video display system according to the fourth embodiment.

  Therefore, the display device 1 of the video display system according to the modified example, when the operation unit 12 is operated and the video input source is switched from the input terminal 21 to the tuner 17 (TV broadcast) (D2), the playback device 3. After transmitting the switching notification (M1) to the tuner 17, when the stop notification (M2) is received from the playback device 3 without measuring time, the video input source selected by the selection unit 16 is switched to the tuner 17 (D4).

  After that, when the TV broadcast program related to the video image received by the tuner 17 and displayed on the display unit 14, that is, the program being viewed by the user is completed (D31), the display device 1 displays the video image by the playback device 3. A message for inquiring whether or not to resume the reproduction is displayed (D32). When the resumption of the reproduction process by the reproduction device 3 is selected by the operation of the operation unit 12 (D33), the display device 1 transmits a resumption notification (M3) to the reproduction device 3 and the video selected by the selection unit 16 The input source is switched from the tuner 17 to the input terminal 21 (D34).

  The video display device according to the modification of the fourth embodiment having the above configuration is configured such that the display device 1 displays a message when the program being viewed ends after the video input source is switched. Since the message can be displayed in accordance with the end of the program that the user has temporarily watched by switching the input source, the user's viewing of the program is not hindered.

(Embodiment 5)
20 and 21 are block diagrams showing the configuration of the video display system according to Embodiment 5 of the present invention. FIG. 20 shows details of the display device 101 constituting the video display system, and FIG. Details of the playback device 103 are shown. The video display systems according to the above-described first to fourth embodiments have a configuration in which the time measuring unit 18 that measures the elapsed time after switching the video input source is mounted on the display device 1. In contrast, the video display system according to the fifth embodiment has a configuration in which the timer unit is not mounted on the display device 101 but the timer unit 138 is mounted on the playback device 103.

  The timer unit 138 provided in the playback device 103 is controlled by the control unit 31 to start and stop timing, and gives the timing result to the control unit 31.

  FIG. 22 is a schematic diagram for explaining processing of the video display system according to Embodiment 5 of the present invention, and shows an example of processing performed by the display device 101 and the playback device 103. Note that the video display system according to the fifth embodiment is configured to display a message asking the display device 101 to resume playback, similar to the video display system according to the second embodiment, but is not limited thereto. Although detailed description is omitted, for example, the display device 101 may display a message for notifying the elapsed time as in the video display system according to the first embodiment, and the video display according to the third embodiment. Similar to the system, a message for inquiring whether to turn off the power of the playback apparatus 103 may be displayed.

  When the video recorded on the optical disc 5 is played back by the playback device 103 (P51) and the played back video is displayed on the display device 101 (D51), the operation unit 12 of the display device 101 is operated to display the video. When the input source is switched from the input terminal 21 to the tuner 17 (TV broadcast) (D52), the display device 101 transmits a switching notification (M1) to the playback device 103. Receiving the switching notification (M1), the playback device 103 starts measuring time in the timer unit 138 (P52), stops playback of the video (P53), and transmits a stop notification (M2) to the display device 1. . The display device 1 that has received the stop notification (M2) switches the input source of the video selected by the selection unit 16 to the tuner 17 (D53). As a result, the display device 101 displays an image related to the television broadcast program received by the tuner 17.

  Thereafter, when the predetermined time has elapsed due to the time measurement by the time measuring unit 138 (P54), the playback device 103 transmits a time elapse notification (M5) for notifying the display device 101 that the predetermined time has elapsed. The display device 101 that has received the time elapse notification (M5) displays a message for inquiring whether or not to resume the reproduction of the video by the reproduction device 103 (D54). When the resumption of the reproduction process by the reproduction device 103 is selected by the operation of the operation unit 12 (D55), the display device 101 transmits a resumption notification (M3) to the reproduction device 103 and the video selected by the selection unit 16 The input source is switched from the tuner 17 to the input terminal 21 (D56). The playback device 103 that has received the restart notification restarts playback of the video that has been stopped (P55). As a result, the video reproduced by the reproduction device 103 is displayed on the display device 101.

  FIG. 23 is a flowchart showing a procedure of processing performed by the display apparatus 101 according to the fifth embodiment of the present invention. The process started when the display apparatus 101 displays the video reproduced by the reproduction apparatus 103. It is. First, the control unit 11 of the display device 101 determines whether or not a switching operation of the video input source has been performed by the operation unit 12 (step S91), and when the switching operation has not been performed (S91: NO). Wait until the switching operation is performed. When the switching operation is performed (S91: YES), the control unit 11 transmits a switching notification from the communication unit 26 to the playback device 103 via the cable 7 (step S92).

  Next, the control unit 11 checks whether or not a stop notification transmitted from the playback device 103 has been received (step S93). If the stop notification has not been received (S93: NO), the stop notification is received. Wait until. When the stop notification is received (S93: YES), the control unit 11 switches the input source of the video signal by switching the selection of the selection unit 16 (step S94).

  Next, the control unit 11 checks whether or not the time lapse notification transmitted from the playback device 103 has been received (step S95). If the time lapse notification has not been received (S95: NO), the time lapse notification is received. Wait until you receive When the time elapse notification is received (S95: YES), the control unit 11 displays a message inquiring whether or not to resume the video by the playback device 103 (step S96), and in response to this message, the operation unit It is determined whether or not the selection made by the user at 12 is a selection for resuming reproduction (step S97). In the case of selection of resumption of reproduction (S97: YES), the control unit 11 transmits a resumption notification from the communication unit 26 to the reproduction device 103 (step S98), and switches the selection of the selection unit 16 to change the input source of the video signal. The tuner 17 is switched to the input terminal 21 (step S99), the process is terminated, and the video reproduced by the reproduction device 103 is displayed. If it is determined in step S97 that reproduction is not resumed (S97: NO), the control unit 11 ends the process and displays the TV broadcast video received by the tuner 17.

  FIG. 24 is a flowchart showing a procedure of processing performed by the playback device 103 according to the fifth embodiment of the present invention, and is a process started when the playback device 103 is performing video playback processing. First, the control unit 31 of the playback device 103 checks whether or not the communication unit 37 has received a switching notification transmitted from the display device 101 (step S101). When the switching notification is not received (S101: NO), the control unit 31 continues the process of reading the video data from the optical disc 5 and reproducing it by the reproduction processing unit 33, and waits for the reception of the switching notification. When the switching notification is received (S101: YES), the control unit 31 starts measuring time by the time measuring unit 138 (step S102), stops the reproduction process by the reproduction processing unit 33 (step S103), and moves to the display device 1. A stop notification is transmitted (step S104).

  Next, the control unit 31 checks whether or not the time measured by the time measuring unit 138 has passed a predetermined time (step S105), and if the predetermined time has not passed (S105: NO), until the predetermined time has passed. stand by. When the predetermined time has elapsed (S105: YES), the control unit 31 transmits a time elapse notification to the display device 101 (step S106).

  Next, the control unit 31 checks whether a restart notification transmitted from the display device 101 has been received (step S107). When the restart notification is not received (S107: NO), the control unit 31 waits until the restart notification is received. When the resumption notification is received (S107: YES), the control unit 31 resumes the reproduction process by the reproduction processing unit 33 (step S108), ends the process, and performs the video reproduction process.

  In the video display system according to the fifth embodiment having the above configuration, the video display system according to the first to fourth embodiments even if the playback device 103 includes the timer unit 138 that counts a predetermined time after switching. As in the configuration in which the display device 1 includes the time measuring unit 18 as described above, the display device 101 can display a message after a predetermined time has elapsed since switching, and the user can be prompted to perform an operation.

  Since the other configuration of the video display system according to the fifth embodiment is the same as that of the video display system according to the first embodiment, the same portions are denoted by the same reference numerals and detailed description thereof is omitted. To do.

(Modification)
FIG. 25 is a schematic diagram for explaining processing of the video display system according to the modification of the fifth embodiment of the present invention, and shows an example of processing performed by the display device 101 and the playback device 103. The video display system according to the above-described fifth embodiment is configured such that the display device 101 displays a message when a predetermined time has elapsed since switching. On the other hand, the video display system according to the modified example has a configuration in which the display device 101 displays a message when a predetermined time has elapsed since switching and the program being viewed ends.

  Therefore, the display device 101 of the video display system according to the modification receives the time elapse notification (M5) transmitted from the playback device 103, and then receives the time lapse notification (M5) and relates to the video displayed on the display unit 14. When the TV broadcast program, that is, the program being watched by the user is finished (D61), a message for inquiring whether or not to resume the video playback by the playback device 103 is displayed (D54).

  In the video display device according to the modification of the fifth embodiment having the above configuration, when the time elapse notification is received from the playback device 103 and the program being viewed ends, the display device 101 displays a message. With this configuration, it is possible to display a message to the user without hindering viewing of a program related to television broadcasting. In addition, the user can resume viewing the video by the playback device 103 at the timing when the program being viewed ends, and the user only needs to perform a selection operation on the displayed message. Therefore, the operability and convenience of the video display system can be improved.

It is a block diagram which shows the structure of the video display system which concerns on Embodiment 1 of this invention. It is a block diagram which shows the structure of the video display system which concerns on Embodiment 1 of this invention. It is a display example of the image | video which the display apparatus which concerns on Embodiment 1 of this invention displays. It is a display example of the image | video which the display apparatus which concerns on Embodiment 1 of this invention displays. It is a schematic diagram for demonstrating the process of the video display system which concerns on Embodiment 1 of this invention. It is a flowchart which shows the procedure of the process which the display apparatus which concerns on Embodiment 1 of this invention performs. It is a flowchart which shows the procedure of the process which the reproducing | regenerating apparatus which concerns on Embodiment 1 of this invention performs. It is a display example of the image | video which the display apparatus which concerns on Embodiment 2 of this invention displays. It is a schematic diagram for demonstrating the process of the video display system which concerns on Embodiment 2 of this invention. It is a flowchart which shows the procedure of the process which the display apparatus which concerns on Embodiment 2 of this invention performs. It is a flowchart which shows the procedure of the process which the reproducing | regenerating apparatus concerning Embodiment 2 of this invention performs. It is a display example of the image | video which the display apparatus which concerns on Embodiment 3 of this invention displays. It is a schematic diagram for demonstrating the process of the video display system which concerns on Embodiment 3 of this invention. It is a flowchart which shows the procedure of the process which the display apparatus which concerns on Embodiment 3 of this invention performs. It is a flowchart which shows the procedure of the process which the reproducing | regenerating apparatus concerning Embodiment 3 of this invention performs. It is a schematic diagram for demonstrating the process of the video display system which concerns on Embodiment 4 of this invention. It is a flowchart which shows the procedure of the process which the display apparatus which concerns on Embodiment 4 of this invention performs. It is a flowchart which shows the procedure of the process which the display apparatus which concerns on Embodiment 4 of this invention performs. It is a schematic diagram for demonstrating the process of the video display system which concerns on the modification of Embodiment 4 of this invention. It is a block diagram which shows the structure of the video display system which concerns on Embodiment 5 of this invention. It is a block diagram which shows the structure of the video display system which concerns on Embodiment 5 of this invention. It is a schematic diagram for demonstrating the process of the video display system which concerns on Embodiment 5 of this invention. It is a flowchart which shows the procedure of the process which the display apparatus which concerns on Embodiment 5 of this invention performs. It is a flowchart which shows the procedure of the process which the reproducing | regenerating apparatus concerning Embodiment 5 of this invention performs. It is a schematic diagram for demonstrating the process of the video display system which concerns on the modification of Embodiment 5 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display apparatus 3 Playback apparatus 5 Optical disk 7 Cable 11 Control part (switching notification means, information display processing means, selection notification means)
12 operation unit (switching operation accepting means, selection accepting means)
13 Display Processing Unit 14 Display Unit (Display Unit Means)
15 storage unit 15a EPG (program guide information)
16 Selection part (selection means)
17 Tuner (Receiving means)
18 Timekeeping section (timekeeping means)
21-23 Input terminal 25 Input part 26 Communication part (communication means)
31 Control unit (stop means, end determination means, progress notification means)
32 Operation unit 33 Reproduction processing unit (reproduction means)
34 Disk drive (recording medium)
35 output terminal 36 output unit 37 communication unit (communication means)
DESCRIPTION OF SYMBOLS 101 Display apparatus 103 Playback apparatus 138 Time measuring part (time measuring means)

Claims (11)

An input unit that receives a video signal from another device, a selection unit that selects and outputs one video signal from a plurality of video signals including the video signal input from the input unit, and the selection unit selects Connected to a display device having display means for displaying a video related to the output video signal, a playback means for playing back a video recorded on a recording medium and outputting a video signal for display, and an input unit of the display device And a playback device having an output unit for outputting the video signal played back by the playback means to the display device, and the display device and the playback device each have communication means for mutually transmitting and receiving information. In
The display device
A switching operation accepting means for accepting an operation for switching the selection of the selecting means;
When the switching operation accepting unit accepts an operation for switching the selection by the selecting unit from the video signal input from the input unit to another video signal, the switching notifying unit notifies the playback device of the switching by the communication unit. When,
A time measuring means for measuring time;
An information display processing means for performing a process of displaying notification information relating to the elapse of a predetermined time when the time measured by the time measuring means has passed a predetermined time after the switching operation receiving means has received the operation;
The playback device
A video display system comprising: a stopping unit that stops reproduction by the reproducing unit when switching to another video signal is notified by the switching notification unit of the display device. The display device
Receiving means for receiving a program related to television broadcasting and program guide information;
End determination means for determining whether or not the broadcast of the program has ended based on the program guide information received by the receiving means,
The selection means is configured to select and output one video signal from a plurality of video signals including a video signal input from the input unit and a video signal related to a program received by the reception means,
After the switching operation accepting unit accepts an operation of switching the selection by the selecting unit from the video signal input from the input unit to the video signal related to the program received by the receiving unit, the time counting by the timing unit takes a predetermined time. 2. The information display processing means performs a process of displaying the notification information when the end determination means determines that the broadcast of the program has been completed. The video display system described in 1. The video display system according to claim 1, wherein the notification information includes a time measurement result of the time measuring unit. The notification information includes an inquiry as to whether or not to start playback by the playback means of the playback device,
The display device
Selection accepting means for accepting a selection as to whether or not to start the reproduction according to the notification information;
A selection notifying means for notifying the playback device of the selection acceptance by the communication means when the selection accepting means accepts the selection to start the reproduction;
The reproduction means of the reproduction apparatus is configured to start reproduction when the selection notification means is notified of acceptance of the selection for starting the reproduction. The video display system according to any one of the above. The notification information includes an inquiry as to whether to turn off the power of the playback device,
The display device
Selection accepting means for accepting a selection as to whether or not to turn off the power of the playback device according to the notification information;
A selection notifying means for notifying the playback apparatus of the acceptance of the selection by the communication means when a selection for turning off the power of the playback apparatus is received by the selection receiving means;
5. The playback device according to claim 1, wherein the playback device performs a process of turning off the power when the selection notification means of the display device is notified of acceptance of the selection of turning off the power. The video display system according to any one of the above. Receiving means for receiving a program related to television broadcasting and program guide information, an input unit for receiving a video signal from another device, a video signal for a program received by the receiving means, and a video input from the input unit A display unit having a selection unit that selects and outputs one video signal from a plurality of video signals including the signal, a display unit that displays a video related to the video signal selected and output by the selection unit, and a recording medium; Reproducing means for reproducing the recorded video and outputting a video signal for display, and an output unit connected to the input unit of the display device and outputting the video signal reproduced by the reproducing device to the display device A video display system including a playback device, the display device and the playback device each having communication means for mutually transmitting and receiving information;
The display device
A switching operation accepting means for accepting an operation for switching the selection of the selecting means;
When the switching operation accepting unit accepts an operation for switching the selection by the selecting unit from the video signal input from the input unit to another video signal, the switching notifying unit notifies the playback device of the switching by the communication unit. When,
End determination means for determining whether or not the broadcast of the program has ended based on the program guide information received by the receiving means;
After the switching operation accepting unit accepts an operation of switching the selection by the selecting unit from a video signal input from the input unit to a video signal related to the program received by the receiving unit, the end determining unit broadcasts the program Information display processing means for performing a process of displaying notification information relating to the passage of a predetermined time when it is determined that
The playback device
A video display system comprising: a stopping unit that stops reproduction by the reproducing unit when switching to another video signal is notified by the switching notification unit of the display device. An input unit that receives a video signal from another device, a selection unit that selects and outputs one video signal from a plurality of video signals including the video signal input from the input unit, and the selection unit selects Connected to a display device having display means for displaying a video related to the output video signal, a playback means for playing back a video recorded on a recording medium and outputting a video signal for display, and an input unit of the display device And a playback device having an output unit for outputting the video signal played back by the playback means to the display device, and the display device and the playback device each have communication means for mutually transmitting and receiving information. In
The display device
A switching operation accepting means for accepting an operation for switching the selection of the selecting means;
When the switching operation accepting unit accepts an operation for switching the selection by the selecting unit from the video signal input from the input unit to another video signal, the switching notifying unit notifies the playback device of the switching by the communication unit. When,
An information display processing means for performing a process of displaying notification information relating to the elapse of the predetermined time when notified of the elapse of the predetermined time from the playback device;
The playback device
Stop means for stopping reproduction by the reproduction means when the switching notification means of the display device is notified of switching to another video signal;
A time measuring means for measuring time;
After the notification of switching to another video signal is notified by the switching notification means of the display device, when the predetermined time elapses, the communication device notifies the display device of the elapse of the predetermined time. And a progress notification means. The display device
Receiving means for receiving a program related to television broadcasting and program guide information;
End determination means for determining whether or not the broadcast of the program has ended based on the program guide information received by the receiving means,
The selection means is configured to select and output one video signal from a plurality of video signals including a video signal input from the input unit and a video signal related to a program received by the reception means,
After the selection by the selection unit is switched from the video signal input from the input unit to the video signal related to the program received by the reception unit, the playback device is notified of the elapse of a predetermined time and the end The video display system according to claim 7, wherein when the determination unit determines that the broadcast of the program has ended, the information display processing unit performs a process of displaying the notification information. . An input unit that receives a video signal from another device, a selection unit that selects and outputs one video signal from a plurality of video signals including the video signal input from the input unit, and the selection unit selects In a display device comprising display means for displaying an image related to the output video signal, and communication means for transmitting and receiving information to and from the other device,
A switching operation accepting means for accepting an operation for switching the selection of the selecting means;
When the switching operation accepting unit accepts an operation of switching the selection by the selection unit from the video signal input from the input unit to another video signal, the switching notification is made to notify the other device of the switching by the communication unit. Means,
A time measuring means for measuring time;
An information display processing means for performing a process of displaying notification information relating to the elapse of a predetermined time when the time measurement by the time measuring means has passed a predetermined time after the switching operation reception means has received the operation. Characteristic display device. Receiving means for receiving a program related to television broadcasting and program guide information;
An end determination means for determining whether or not the broadcast of the program has ended based on the program guide information received by the receiving means,
The selection means is configured to select and output one video signal from a plurality of video signals including a video signal input from the input unit and a video signal related to a program received by the reception means,
After the switching operation accepting unit accepts an operation of switching the selection by the selecting unit from the video signal input from the input unit to the video signal related to the program received by the receiving unit, the time counting by the timing unit takes a predetermined time. The information display processing means performs a process of displaying the notification information when the end determination means determines that the broadcast of the program has ended. The display device described in 1. Reproducing means for reproducing the video recorded on the recording medium and outputting a video signal for display, an output unit for outputting the video signal reproduced by the reproducing means to another device for displaying the video, and the other In a playback device comprising a communication means for transmitting and receiving information to and from the device,
When the communication unit notifies that the video displayed by the other device is switched from the video related to the video signal output from the output unit to the other video, the stop by the playback unit is stopped. Means,
A time measuring means for measuring time;
Progress notification means for notifying the other apparatus of the elapse of the predetermined time when the predetermined time has elapsed after the time is measured by the time measuring means after being notified from the other apparatus; A playback device comprising:

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