JP2010177946A - Image reception system, reception device, display device, and image receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image reception system, a reception device, a display device, and an image receiver, which report contents of a program being broadcast while performing wall-picture processing. <P>SOLUTION: While performing the wall-picture processing for displaying an image based upon previously stored image data on the display device 2, the reception device 1 receives a broadcasting signal, extracts an image from video of a broadcast program, and transmits an image based upon image data representing the extracted image, to the display device 2. The display device 2 displays the image based upon the image data from the reception device 1, mixed with the image displayed through the wall-picture processing. Hence, the image showing the contents of the program being broadcast over each channel is displayed during the wall-picture processing. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an image receiving system that displays a broadcast video, and more specifically, an image receiving system, a receiving device, a display device, and an image receiving device that have a function of displaying a specific image while a video being broadcast is not displayed. Related to the machine.

  In recent years, television receivers have been made thinner and larger screens. Along with the thinning of the receiver, an image receiving system in which a receiving device including a tuner unit and a display device that displays an image received by the receiving device is separated from practical use. The thinned receiver or display device can be used in the form of a wall shift or wall hanging.

  Some of such receivers or image receiving systems have a function of displaying a predetermined image on a screen (hereinafter referred to as a wall picture function) while an image being broadcast is not displayed. As an image displayed by the wall picture function, an image stored in advance such as a picture or a photograph or an image created by a user using a camera or the like is used. Patent Document 1 discloses an example of a receiver having a wall picture function. Patent Document 2 discloses a technique for displaying a slide show that sequentially switches and displays a plurality of images on a receiver.

JP 2002-218331 A JP 2007-36585 A

  The conventional wall picture function used in a receiver or an image receiving system has a problem in that a broadcasted video is not displayed while an image is displayed, so that the user does not know the broadcasted program. In addition, since there are limited images stored in advance and images created by the user, when the wall picture function is used for a long time, the same image is repeatedly displayed, and the user gets bored with the displayed image. There is a problem of end.

  The present invention has been made in view of such circumstances, and an object of the present invention is to perform wall picture processing by adding an image reflecting a broadcast program to an image displayed by the wall picture function. An object of the present invention is to provide an image receiving system, a receiving device, a display device, and a receiver capable of notifying the contents of a program being broadcast while executing and changing an image displayed by a wall picture function.

  An image receiving system according to the present invention includes a tuner unit that receives a broadcast signal, a receiving device that outputs a video signal based on the broadcast signal, and a display unit, and an image based on the video signal output by the receiving device. In the image receiving system including the display device displayed on the display unit, the display device reads out the image data from a recording medium for recording the image data, and the image based on the image data read out by the means First receiving means for displaying on the display section, the receiving device stopping means for stopping power supply to the tuner section, restart means for restarting power supply to the tuner section at a specific time point, and the tuner An image extracting means for extracting an image from a video of a broadcasted program based on a broadcast signal received by the tuner section after power supply to the section is resumed, and the image extracting means Means for transmitting image data representing the outputted image to the display device, and the display device is further added to the image to be displayed by the first display means and based on the image data received from the receiving device. And a second display means for displaying the image on the display unit.

  In the image receiving system according to the present invention, the receiving device further includes means for causing the tuner unit to receive a broadcast signal on a plurality of channels when power supply to the tuner unit is resumed. The tuner unit has means for extracting an image based on each of the broadcast signals received on the plurality of channels, and the display device is configured to combine a plurality of images related to the plurality of channels into a single image. The display device further includes a creating unit, and the second display unit includes a unit that displays the composite image on the display unit.

  In the image receiving system according to the present invention, the receiving device further includes means for causing the tuner unit to receive a broadcast signal on a plurality of channels when power supply to the tuner unit is resumed. The tuner unit has means for extracting an image based on each of the broadcast signals received on the plurality of channels, and the second display unit sequentially displays the plurality of images related to the plurality of channels on the display unit. It has the means to display, It is characterized by the above-mentioned.

  In the image receiving system according to the present invention, the restarting means includes means for restarting power supply to the tuner unit at a predetermined time interval, and the stopping means transmits the image extracted by the image extracting means. It is characterized by having means for stopping the power supply to the tuner section after completion.

  In the image receiving system according to the present invention, the receiving device starts broadcasting the earliest in any channel based on the means for generating electronic program guide data from the broadcast signal and the electronic program guide data. Means for determining the broadcast start time of the program, and means for setting the broadcast start time obtained by the means to a time at which power supply to the tuner unit is resumed, and the stop means includes the image extraction means And a means for stopping power supply to the tuner section after the transmission of the extracted image is completed.

  In the image receiving system according to the present invention, the receiving device generates means for generating electronic program guide data from a broadcast signal, and broadcast start times of a plurality of programs broadcast on a specific channel based on the electronic program guide data. And a means for setting each of the broadcast start times of the plurality of programs obtained by the means as a time at which power supply to the tuner unit is resumed, and the stop means includes the image extraction means And a means for stopping power supply to the tuner section after the transmission of the extracted image is completed.

  In the image receiving system according to the present invention, the resuming means has means for resuming power supply to the tuner section at a predetermined resumption time that is determined in advance, and the receiving device uses an electronic program guide from a broadcast signal. Means for generating data, and means for detecting a program that starts broadcasting from the predetermined restart time to a predetermined stop time based on the data of the electronic program guide, The image extracting means has means for extracting an image from a video of a program that has started broadcasting based on a broadcast signal, and the stop means stops power supply to the tuner section at the predetermined stop time. It is characterized by having.

  The image receiving system according to the present invention further includes a remote control device that communicates with the receiving device, and the receiving device sends image data representing the image extracted by the image extracting means to the remote control device. The remote control device further includes a display unit, and further includes a display unit and a unit that causes the display unit to display an image based on the image data received from the reception device.

  An image receiving system according to the present invention includes a tuner unit that receives a broadcast signal, a receiving device that outputs a video signal based on the broadcast signal, and a display unit, and an image based on the video signal output by the receiving device. In the image receiving system including a display device that displays on the display unit and a remote control device that communicates with the receiving device, the display device reads out image data from a recording medium that records image data; Means for displaying on the display unit an image based on the image data read by the means, and the receiving device stops the power supply to the tuner unit, and sends the tuner unit to the tuner unit at a specific time. Based on the restarting means for restarting the power supply to the tuner unit and the broadcast signal received by the tuner unit after the power supply to the tuner unit is restarted, an image is extracted from the video of the broadcasted program. And an image extracting means for transmitting the image data representing the image extracted by the image extracting means to the remote control device. The remote control device includes a display unit and the image data received from the reception device. Means for displaying a based image on the display unit.

  A receiving device according to the present invention includes a tuner unit that receives a broadcast signal, and in the receiving device that outputs a video signal based on the broadcast signal, a stopping unit that stops power supply to the tuner unit, and Resumption means for resuming power supply to the tuner section; and image extraction means for extracting an image from a broadcast program video based on a broadcast signal received by the tuner section after power supply to the tuner section is resumed. And means for outputting image data representing the image extracted by the image extraction means.

  A display device according to the present invention comprises a display unit, and a display device for displaying video based on a video signal received from the outside on the display unit, means for reading image data from a recording medium for recording image data, First display means for displaying an image based on the image data read by the means on the display unit, means for receiving image data from the outside, and adding to the image displayed by the first display means and receiving from the outside And a second display means for displaying an image based on the image data on the display unit.

  A receiver according to the present invention includes a display unit and a tuner unit that receives a broadcast signal. In the receiver that displays an image based on a broadcast signal on the display unit, the power supply to the tuner unit is stopped. Means, means for reading out image data from a recording medium for recording image data, first display means for displaying an image based on the image data read by the means on the display section, and the tuner section at a specific time point Resumption means for resuming power supply, image extraction means for extracting an image from video of a broadcasted program based on a broadcast signal received by the tuner section after power supply to the tuner section has been resumed, and the first In addition to an image to be displayed by one display means, a second display means for displaying the image extracted by the image extraction means on the display unit is provided.

  In the present invention, while performing wall picture processing for displaying an image based on the image data recorded on the recording medium on the display unit, the broadcast signal is received, and the image is extracted from the broadcast program video and extracted. An image based on the image data representing the processed image is added to the image to be displayed by wall picture processing and displayed on the display unit. Thus, in the present invention, during the wall picture processing, an image showing the contents of the program being broadcast on each channel is displayed between the wall picture images.

  In the present invention, an image is extracted from video of a program broadcast on a plurality of channels, and a combined image obtained by combining a plurality of images related to the plurality of channels on one screen is displayed on the display unit. This makes it possible to compare the broadcast contents of each channel.

  In the present invention, an image is extracted from the video of a program broadcast on a plurality of channels, and a plurality of images related to the plurality of channels are sequentially displayed on the display unit. Thereby, the image which concerns on each channel is displayed separately.

  In the present invention, an image is extracted from the video of a broadcast program at predetermined time intervals such as 10 minutes, and an image showing the content of the program being broadcast is displayed.

  Further, in the present invention, each time the program broadcast is started on any channel using the data of the electronic program guide, an image is extracted from the video of the broadcast program, and an image showing the content of the broadcast program Is displayed.

  In the present invention, each time a program broadcast is started on a specific channel using the data of the electronic program guide, an image is extracted from the video of the broadcast program, and an image showing the content of the broadcast program is obtained. indicate.

  Further, in the present invention, every time a program broadcast is started during a period from a predetermined restart time to a stop time using the data of the electronic program guide, an image is extracted from the broadcast program video and broadcast. An image showing the contents of the program is displayed.

  In the present invention, the remote control device includes a display unit, and an image showing the contents of the broadcast program is displayed on the display unit of the remote device.

  In the present invention, even when the picture of the broadcast program is not displayed on the receiver or the image receiving system and the wall picture processing is being executed, an image showing the contents of the program being broadcast on each channel is displayed. Displayed between wall picture images, the viewer can grasp the contents of the program being broadcast. In addition, by displaying an image corresponding to a broadcast program, the image displayed on the display unit in wall picture processing changes, and the viewer can enjoy the change of the image without getting bored. Excellent effect.

1 is a conceptual diagram showing an external appearance of an image receiving system of the present invention according to Embodiment 1. FIG. 3 is a block diagram showing an internal configuration of a receiving apparatus according to the present invention according to Embodiment 1. FIG. It is a block diagram which shows the internal structure of the display apparatus of this invention. It is a flowchart which shows the procedure of the process of the start and completion | finish of the wall picture process which a receiver performs. 4 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to Embodiment 1; 5 is a flowchart showing a procedure of wall picture processing executed by the display device and processing for displaying an image acquired by the receiving device 1; It is a schematic diagram which shows the transition of the image displayed with a display apparatus. It is a flowchart which shows the procedure of the process which displays the still image which concerns on each channel which a display apparatus performs sequentially. 6 is a block diagram showing an internal configuration of a receiving apparatus according to Embodiment 2. FIG. 6 is a block diagram showing an internal configuration of a remote control according to Embodiment 2. FIG. 12 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the second embodiment. It is a flowchart which shows the procedure of the process which displays the still image which concerns on each channel which a remote control performs. 10 is a block diagram showing an internal configuration of a receiving apparatus according to Embodiment 3. FIG. It is a schematic diagram which shows the example of EPG displayed on a display apparatus. 14 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the third embodiment. 12 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the third embodiment. 15 is a flowchart illustrating a procedure of processing for setting a channel for acquiring an image indicating the content of a program and a restart time in the receiving apparatus according to the fourth embodiment. 15 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the fourth embodiment. 10 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the fifth embodiment. 14 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the fifth embodiment. It is a schematic diagram which shows the structure of the receiver of this invention.

Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof.
(Embodiment 1)
FIG. 1 is a conceptual diagram showing an external appearance of an image receiving system according to the first embodiment of the present invention. The image receiving system of the present invention includes a receiving device 1 of the present invention that receives a broadcast signal and a display device 2 of the present invention that displays an image. The receiving device 1 and the display device 2 are connected to each other by an HDMI (High Definition Multimedia Interface) cable 41. The receiving device 1 transmits a video signal based on the received signal to the display device 2, and the display device 2 The video based on the video signal from the receiving device 1 is displayed. In the image receiving system of the present invention, a broadcast signal is received by the receiving device 1, and a video corresponding to the received signal is displayed on the display device 2, thereby displaying the broadcast program video. Further, the display device 2 of the present invention has a wall picture function for displaying an image based on image data stored therein. The image receiving system also includes a remote controller (remote controller) 3 operated by the viewer. The receiving device 1 can perform two-way wireless communication with the remote controller 3 and receives a signal transmitted from the remote controller 3 that has received an operation from the viewer, thereby receiving an instruction from the viewer. Yes.

  FIG. 2 is a block diagram showing an internal configuration of the receiving apparatus 1 according to the first embodiment of the present invention. The receiving apparatus 1 includes a tuner unit 101, a TS (Transport Stream) demodulating unit 102, and a TS processing unit 103. A tuner selection unit 105 is connected to the tuner unit 101, the TS demodulation unit 102, and the TS processing unit 103, and the channel selection control unit 105 identifies one channel from a plurality of selectable channels. Then, a control signal for selecting the specified channel is input to the tuner unit 101, the TS demodulation unit 102, and the TS processing unit 103. The tuner unit 101 is connected to an antenna (not shown) or a signal line for cable broadcasting, etc., receives a broadcast signal for digital broadcasting via the antenna or signal line, and selects a channel according to a control signal from the channel selection control unit 105. The broadcast signal of the specified channel, that is, a specific frequency band is converted into stream data, and the stream data is input to the TS demodulator 102. The TS demodulation unit 102 generates TS data of the selected channel from the stream data input from the tuner unit 101, and inputs the TS data to the TS processing unit 103. The TS processing unit 103 generates video data and audio data representing video and audio of a program broadcast on the selected channel from the TS data input from the TS demodulation unit 102. In addition, the TS processing unit 103 performs necessary processing such as decryption in the process of generating video data and audio data.

  An audio demodulator 104 and a video demodulator 106 are connected to the TS processor 103, and an HDMI transmitter 107 is connected to the audio demodulator 104 and the video demodulator 106. The audio demodulation unit 104 converts the audio data input from the TS processing unit 103 into a digital audio signal having a specific format, and inputs the digital audio signal to the HDMI transmission unit 107. The video demodulation unit 106 converts the video data input from the TS processing unit 103 into a digital video signal having a specific format, and inputs the digital video signal to the HDMI transmission unit 107. The HDMI transmission unit 107 is an interface configured in accordance with the HDMI standard, and one end of the HDMI cable 41 is connected thereto. The other end of the HDMI cable 41 is connected to the HDMI receiving unit 28 of the display device described later. The HDMI transmission unit 107 transmits the digital audio signal and the digital video signal to the display device 2 via the HDMI cable 41.

  Connected to the video demodulation unit 106 is an image extraction unit 110 that extracts a still image for one frame from the video represented by the digital video signal output from the video demodulation unit 106. Specifically, the image extraction unit 110 extracts a video signal corresponding to a still image for one frame from the digital video signal, and generates image data representing an image corresponding to the extracted video signal. Do. The image extraction unit 110 is connected to the HDMI transmission unit 107 and inputs the generated image data to the HDMI transmission unit 107. The HDMI transmission unit 107 transmits the image data input from the image extraction unit 110 to the display device 2 via the HDMI cable 41. An image extraction control unit 109 is connected to the channel selection control unit 105 and the image extraction unit 110. The image extraction control unit 109 performs processing for controlling a channel selected by the channel selection control unit 105, and performs processing for causing the image extraction unit 110 to extract an image from a video of a program broadcast on the selected channel.

  A timer control unit 108 is connected to the image extraction control unit 109. The timer control unit 108 includes means for measuring time and means for internally storing information indicating the set time, and image extraction control is performed when the time to be measured becomes the set time. Processing for operating the unit 109 is performed. In addition, the receiving device 1 has a function of shifting to a power saving state in which the supply of power to each part such as the tuner unit 101 constituting the receiving device is stopped. The timer control unit 108 controls the operation of a power supply unit (not shown), and performs a process of shifting the receiving device 1 to a power saving state by causing the power supply unit to stop supplying power to each unit as time elapses. . In addition, the timer control unit 108 is configured to operate by being supplied with power even in the power saving state, and when the time to measure reaches the set time, the power supply unit supplies power to each unit including the tuner unit 101. By restarting the power supply, the receiver 1 is returned from the power saving state.

  The receiving apparatus 1 further includes a remote control transmission / reception unit 111 that transmits / receives information to / from the remote control 3. The remote control transmission / reception unit 111 is connected to the channel selection control unit 105 and receives a signal transmitted from the remote control 3 that has received a predetermined operation from the viewer, thereby selecting a channel selection instruction that specifies a channel to be selected. And the received channel selection instruction is input to the channel selection control unit 105. The channel selection control unit 105 performs processing for causing the tuner unit 101 to select a channel according to the input channel selection instruction. The remote control transmission / reception unit 111 is connected to the timer control unit 108 and inputs a control instruction received from the remote control 3 to the timer control unit 108. Further, the remote control transmission / reception unit 111 is connected to the HDMI transmission unit 107, receives a control instruction for controlling the operation of the display device 2 from the remote control 3, and receives a control signal corresponding to the received control instruction from the HDMI transmission unit 107. To enter. The HDMI transmission unit 107 transmits the control signal input from the remote control transmission / reception unit 111 to the display device 2 via the HDMI cable 41.

  FIG. 3 is a block diagram showing the internal configuration of the display device 2 of the present invention. The display device 2 includes a display unit 21 such as a liquid crystal panel, an EL (electroluminescence) panel, or a plasma display panel, a display control unit 22 that controls the display unit 21, a speaker 24, and an audio control unit that controls the speaker 24. 25 and an HDMI receiving unit 28. The HDMI receiving unit 28 is an interface configured in accordance with the HDMI standard, and is connected to the other end of the HDMI cable 41 whose one end is connected to the HDMI transmitting unit 107 of the receiving device 1. The HDMI receiving unit 28 is connected to the display control unit 22 and the audio control unit 25, receives a digital audio signal and a digital video signal transmitted from the receiving device 1 via the HDMI cable 41, and converts the digital audio signal into audio. The digital video signal is input to the display control unit 22.

  The audio control unit 25 performs a process of causing the speaker 24 to output audio represented by the input digital audio signal. The display control unit 22 performs processing for displaying the video represented by the input digital video signal on the display unit 21. As a result, the video of the broadcast program is displayed on the display unit 21. The HDMI receiving unit 28 receives a control signal transmitted from the receiving device 1 via the HDMI cable 41 and inputs the control signal to the display control unit 22 or the audio control unit 25 as necessary. The display control unit 22 and the audio control unit 25 execute processing according to the input control signal. For example, the voice control unit 25 receives a control signal designating the volume, and controls the volume of the speaker 24 according to the control signal. For example, the display control unit 22 receives a control signal designating the brightness of the video, and controls the brightness of the video displayed on the display unit 21 according to the control signal.

  The display device 2 also includes an image data storage unit 29 that stores image data using a nonvolatile recording medium such as a hard disk or a nonvolatile semiconductor memory. The image data storage unit 29 is connected to a storage control unit 26 that reads and writes image data from and to the image data storage unit 29. The storage control unit 26 is connected to a recording medium receiving unit 27 such as a USB connector to which an external recording medium 42 such as a USB (Universal Serial Bus) memory is connected. The storage control unit 26 reads the image data recorded on the external recording medium 42 from the external recording medium 42 connected to the recording medium receiving unit 27 and stores the read image data in the image data storage unit 29. Do. The viewer records image data created using a camera or the like on the external recording medium 42 and connects the external recording medium 42 on which the image data is recorded to the recording medium receiving unit 27 to display the created image data on the display device. 2 can be stored. The viewer can purchase the sold external recording medium 42 and store the image data recorded in advance on the purchased external recording medium 42 in the display device 2. The external recording medium 42 may be an electronic device having a function of storing image data, such as a PC (personal computer) or a mobile phone. The external recording medium 42 may be a magnetic disk or an optical disk, and the recording medium receiving unit 27 may be a disk drive that takes in the magnetic disk or the optical disk and reads image data recorded on the magnetic disk or the optical disk. .

  An HDMI receiving unit 28 is connected to the storage control unit 26, and the HDMI receiving unit 28 receives the image data created by the image extraction unit 110 of the receiving device 1 and sends the received image data to the storage control unit 26. input. The storage control unit 26 stores the input image data in the image data storage unit 29. The image data storage unit 29 stores a plurality of wall picture image data 291 to be used in the wall picture function and a plurality of captured image data 292 that is image data received from the receiving device 1. For example, the image data storage unit 29 may store the wall picture image data 291 and the captured image data 292 separately in different folders, and physically store the wall picture image data 291 and the captured image data 292. May be stored separately on different recording media. The plurality of wall picture image data 291 stored in the image data storage unit 29 includes image data stored in advance at the time of shipment of the display device 2 and image data read from the external recording medium 42. The image represented by the wall picture image data 291 is, for example, a picture or a landscape photograph. The display device 2 may have a function of connecting to an external communication network such as the Internet, and may download the wall picture image data 291 via the communication network.

  An image reproduction unit 23 is further connected to the storage control unit 26, and the storage control unit 26 inputs the image data read from the image data storage unit 29 to the image reproduction unit 23. The image reproduction unit 23 decodes the image data input from the storage control unit 26 and generates a video signal representing a still image based on the image data. The image reproduction unit 23 inputs the generated video signal to the display control unit 22, and the display control unit 22 causes the display unit 21 to display a still image represented by the video signal.

  Next, processing executed by the image receiving system having the above configuration will be described. The image receiving system of the present invention performs wall picture processing for displaying video based on the wall picture image data 291 by stopping display of the broadcast program video, and the contents of the broadcast program in parallel with the wall picture processing. Is acquired, and the acquired image is added to the wall picture image and displayed.

  FIG. 4 is a flowchart showing a procedure of start and end processing of wall picture processing executed by the receiving apparatus 1. In parallel with the process of transmitting the video signal from the receiving device 1 to the display device 2, the remote control transmission / reception unit 111 of the receiving device 1 waits for reception of a signal indicating an instruction to start wall picture processing from the remote control 3 at any time (S11). ). For example, the remote control 3 includes a push button described as “wall picture start”. When the viewer presses the push button, the remote control 3 receives an instruction to start wall picture processing from the viewer, and starts the wall picture processing. A signal indicating the instruction is transmitted to the receiving device 1. When the signal indicating the start instruction of the wall picture processing is not received (S11: NO), the remote control transmission / reception unit 111 continues to wait for reception of the signal. When a signal indicating an instruction to start wall picture processing is received (S11: YES), the remote control transmission / reception unit 111 inputs an instruction to start wall picture processing to the HDMI transmission unit 107, and the HDMI transmission unit 107 performs wall picture processing start. A control signal indicating a start instruction is transmitted to the display device 2 (S12). The display device 2 receives the control signal indicating the start instruction of the wall picture processing by the HDMI receiving unit 28 and starts the wall picture processing. Next, the receiving device 1 stops the power supply from the power supply unit to each unit including the tuner unit 101 except for the timer control unit 108 and the remote control transmission / reception unit 111 among the units configuring the receiving device 1 (S13). . Thereafter, the receiving apparatus 1 enters a power saving state in which power supply to each unit including the tuner unit 101 is stopped.

  In a state where the receiving apparatus 1 is in a power saving state, the remote control transmission / reception unit 111 waits for reception of a signal indicating an instruction to end wall picture processing from the remote control 3 as needed (S14). For example, the remote controller 3 includes a push button described as “End Wall Picture”. When the viewer presses the push button, the remote control 3 receives an instruction to end the wall picture processing from the viewer, and ends the wall picture processing. A signal indicating the instruction is transmitted to the receiving device 1. When the signal indicating the end instruction of the wall picture processing is not received (S14: NO), the remote control transmission / reception unit 111 continues to wait for reception of the signal. When the signal indicating the end instruction of the wall picture processing is received (S14: YES), the remote control transmission / reception unit 111 inputs the end instruction of the wall picture processing to the timer control unit 108, and the timer control unit 108 receives power (not shown). The power supply from the supply unit to each unit including the tuner unit 101 is resumed (S15). When the power supply is resumed, the receiving apparatus 1 returns from the power saving state. The timer control unit 108 transmits a control signal indicating an instruction to end wall picture processing to the display device 2 (S16). The display device 2 receives the control signal indicating the end instruction of the wall picture processing by the HDMI receiving unit 28, and ends the wall picture processing. The receiving apparatus 1 ends the start and end processes of the wall picture process.

  FIG. 5 is a flowchart showing a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the first embodiment. After the receiving apparatus 1 enters the power saving state, the timer control unit 108 measures the time that has elapsed since it entered the power saving state, and determines whether a predetermined time period such as 10 minutes has elapsed. (S201). If the predetermined time has not yet elapsed (S201: NO), the timer control unit 108 continues to measure the elapsed time. When a predetermined time has elapsed since entering the power saving state (S201: YES), the timer control unit 108 resumes power supply from a power supply unit (not shown) to each unit including the tuner unit 101 (S202).

  Next, the timer control unit 108 causes the image extraction control unit 109 to operate, and the image extraction control unit 109 receives a signal for designating one channel from among a plurality of channels that can be received by the receiving device 1. The channel selection control unit 105 causes the tuner unit 101 to select a specified channel. (S203). The tuner unit 101 receives a broadcast signal on the selected channel (S204). The tuner unit 101 converts the broadcast signal of the selected channel into stream data, the TS demodulation unit 102 generates TS data, the TS processing unit 103 generates video data representing the video of the broadcasted program, The video demodulator 106 generates a digital video signal. Next, the image extraction control unit 109 causes the image extraction unit 110 to extract a still image from the video of the program represented by the digital video signal output from the video demodulation unit 106 (S205). The HDMI transmission unit 107 transmits image data representing the still image extracted by the image extraction unit 110 to the display device 2 (S206). Through the processing in steps S203 to S206, an image indicating the content of the program broadcast on the selected channel is acquired, and image data representing the acquired image is transmitted to the display device 2.

  The display device 2 receives the image data transmitted from the receiving device 1 by the HDMI receiving unit 28 (S209). The HDMI receiving unit 28 inputs the image data to the storage control unit 26, and the storage control unit 26 stores the image data in the image data storage unit 29 as the captured image data 292 (S210). The image data storage unit 29 stores the captured image data 292 separately for each channel by, for example, assigning a file name corresponding to the channel to the captured image data 292. When storing the new captured image data 292 in the image data storage unit 29, the storage control unit 26 selects new captured image data 292 from among the captured image data 292 already stored in the image data storage unit 29. New captured image data 292 is stored in the image data storage unit 29 so as to overwrite the captured image data 292 related to the same channel. In this manner, the captured image data 292 corresponding to the latest program content is stored in the image data storage unit 29.

  After step S206 is completed, the image extraction control unit 109 determines whether or not the processing for acquiring images on all receivable channels is completed (S207). If there is still a channel for which an image indicating the content of the broadcast program has not been acquired (S207: NO), the image extraction control unit 109 returns the process to step S203, and designates a channel for which an image has not yet been acquired. To the channel selection control unit 105. When the process of acquiring images is completed for all channels (S207: YES), the receiving apparatus 1 is a power supply unit to each unit including the tuner unit 101 except for the timer control unit 108 and the remote control transmission / reception unit 111. The power supply from is stopped (S208). In addition, although the process which transmits image data every time it acquires the image of each channel is demonstrated above, the receiver 1 may transmit image data collectively after acquiring the image of all the channels. . The receiving device 1 ends the process of acquiring an image as described above, and repeats the same process from step S201.

  FIG. 6 is a flowchart illustrating a procedure of wall picture processing executed by the display device 2 and processing for displaying an image acquired by the receiving device 1. The display control unit 22 of the display device 2 responds to the reception of the control signal indicating the start instruction of the wall picture processing by the HDMI reception unit 28, and the display unit 21 based on the digital video signal transmitted from the reception device 1. The display of the video is stopped (S301). The storage control unit 26 determines whether or not the wall picture image has been displayed continuously for a predetermined number of times such as 10 times (S302). When the wall picture image has not been displayed continuously for a predetermined number of times (S302: NO), the storage control unit 26 selects from the plurality of wall picture image data 291 stored in the image data storage unit 29. One wall picture image data 291 is read out (S303). Note that the storage control unit 26 may perform processing for reading the wall picture image data 291 directly from the external recording medium 42 via the recording medium receiving unit 27. The storage control unit 26 inputs the read wall picture image data 291 to the image reproduction unit 23, and the image reproduction unit 23 decodes the wall picture image data 291 to make a still picture based on the wall picture image data 291. A video signal representing an image is generated (S304). The image reproduction unit 23 inputs the video signal to the display control unit 22, and the display control unit 22 causes the display unit 21 to display a still image based on the video signal from the image reproduction unit 23 (S305). The still image is displayed on the display unit 21 continuously for a predetermined time such as 30 seconds. Steps S304 and S305 correspond to the first display means in the present invention.

  If the wall picture images are continuously displayed a predetermined number of times in step S302 (S302: YES), the storage control unit 26 reads out a plurality of captured image data 292 stored in the image data storage unit 29 ( S306). The storage control unit 26 inputs the plurality of captured image data 292 read out to the image reproduction unit 23, and the image reproduction unit 23 decodes the capture image data 292, and a still image represented by the plurality of capture image data 292 related to all channels. Image processing is performed to generate a composite image in which the images are combined into one image (S307). The image reproduction unit 23 inputs a video signal representing a composite image to the display control unit 22, and the display control unit 22 displays an image based on the video signal from the image reproduction unit 23 on the display unit 21, thereby displaying the image. The composite image is displayed on the unit 21 (S308). The composite image is continuously displayed on the display unit 21 for a predetermined time such as 30 seconds. The processing in steps S306 to S308 corresponds to the second display means in the present invention.

  When step S305 or step S308 ends, the display control unit 22 determines whether or not the HDMI reception unit 28 has received a control signal indicating an instruction to end wall picture processing (S309). When the control signal indicating the end instruction for the wall picture processing is not received (S309: NO), the storage control unit 26 repeats the processing from step S302. When the control signal indicating the end instruction of the wall picture process is received (S309: YES), the display control unit 22 resumes the video display on the display unit 21 based on the digital video signal transmitted from the receiving device 1. (S310). The display device 2 ends the wall picture processing and the processing for displaying the image acquired by the receiving device 1.

  FIG. 7 is a schematic diagram showing transition of an image displayed on the display device 2. The display unit 21 displays a wall picture image based on the wall picture image data 291 and sequentially displays a plurality of wall picture images. After wall picture images are displayed a predetermined number of times in succession, a composite image in which still images indicating the contents of broadcast programs of all channels are combined side by side is inserted and displayed between the wall picture images. The In the composite image, the channel name corresponding to each still image may be displayed.

  Note that the display device 2 may perform a process of sequentially displaying a plurality of still images indicating the contents of broadcast programs of a plurality of channels instead of displaying a composite image. FIG. 8 is a flowchart showing a procedure of processing for sequentially displaying still images related to the respective channels executed by the display device 2. The display control unit 22 stops displaying the video on the display unit 21 in response to receiving the control signal indicating the start instruction of the wall picture processing by the HDMI receiving unit 28 (S401), and the storage control unit 26 Then, it is determined whether or not wall picture images have been continuously displayed a predetermined number of times (S402). When the wall picture image has not been displayed continuously for a predetermined number of times (S402: NO), the storage control unit 26 reads one wall picture image data 291 from the image data storage unit 29 (S403). The image reproduction unit 23 decodes the wall picture image data 291 (S404), and the display control unit 22 causes the display unit 21 to display a still image based on the video signal from the image reproduction unit 23 (S405). Steps S404 and S405 correspond to the first display means in the present invention.

  When the wall picture images are displayed continuously for a predetermined number of times in step S402 (S402: YES), the storage control unit 26 selects from the plurality of captured image data 292 stored in the image data storage unit 29. One captured image data 292 is read (S406). The storage control unit 26 inputs the read captured image data 292 to the image reproducing unit 23, and the image reproducing unit 23 decodes the captured image data 292, thereby generating a video signal representing a still image based on the captured image data 292. Generate (S407). At this time, the image reproduction unit 23 may perform image processing for including an image indicating the channel name in the still image. The image reproduction unit 23 inputs the video signal to the display control unit 22, and the display control unit 22 causes the display unit 21 to display a still image based on the video signal from the image reproduction unit 23 (S408). In step S408, a still image indicating the content of the program broadcast on one channel is displayed. The still image is displayed on the display unit 21 continuously for a predetermined time such as 30 seconds. Next, the storage control unit 26 determines whether or not still images related to all channels have been displayed (S409). If there is a channel that has not yet displayed a still image (S409: NO), the storage control unit 26 returns the process to step S406, and capture image data 292 representing a still image that has not been displayed yet is stored in the image data storage unit. Read from 29. By repeating steps S406 to S409, a plurality of still images indicating the contents of programs broadcast on a plurality of channels are sequentially displayed individually. The processing in steps S406 to S409 corresponds to the second display means in the present invention.

  When step S405 is completed or when still images related to all channels are displayed in step S409 (S409: YES), the display control unit 22 sends a control signal indicating an instruction to end wall picture processing to the HDMI receiving unit. It is determined whether or not it has been received at 28 (S410). When the control signal indicating the end instruction of the wall picture process is not received (S410: NO), the storage control unit 26 repeats the process from step S402. When a control signal indicating an instruction to end wall picture processing is received (S410: YES), the display control unit 22 resumes video display on the display unit 21 based on the digital video signal transmitted from the receiving device 1. (S411). The display device 2 ends the wall picture processing and the processing for displaying the image acquired by the receiving device 1.

  As described above in detail, in the present invention, the receiving device 1 receives a broadcast signal and performs a broadcast program while performing wall picture processing for displaying an image based on the wall picture image data 291 on the display device 2. The display device 2 adds an image based on the image data representing the extracted image to the wall picture image and displays it. As a result, in the image receiving system of the present invention, during the wall picture processing, an image showing the content of the program being broadcast on each channel is displayed between the images for the wall picture, and the content of the program being broadcast is displayed. The viewer can be notified. Even when the video of the program is not displayed on the display device 2 and the wall picture processing is being executed, the viewer can grasp the content of the program being broadcast. In addition, an image showing the content of the program being broadcast is displayed between the images for the wall picture, so that the image displayed on the display device 2 in the wall picture processing changes, and the viewer is not bored with the image. Can enjoy the changes.

  Note that it is possible to switch between settings for displaying a combined image obtained by combining a plurality of still images related to a plurality of channels into one image and processing for displaying a plurality of still images individually. By displaying the composite image, the viewer can compare the contents of the broadcast programs of each channel with each other. In addition, by displaying a plurality of still images individually, the viewer can grasp the contents of individual broadcast programs in detail.

(Embodiment 2)
In Embodiment 1, the form which displays the image which shows the content of a broadcast program with the display apparatus 2 was shown, However, Embodiment 2 shows the form which displays the image which shows the content of a broadcast program with the remote control 3. FIG. The appearance of the image receiving system according to the second embodiment is the same as that of the first embodiment shown in FIG. The remote control 3 according to the present embodiment corresponds to the remote control device according to the present invention.

  FIG. 9 is a block diagram showing an internal configuration of receiving apparatus 1 according to Embodiment 2. In FIG. The image extracting unit 110 inputs image data representing the extracted image to the remote control transmission / reception unit 111, and the remote control transmission / reception unit 111 transmits the input image data to the remote control 3. Other configurations of the receiving apparatus 1 are the same as those of the first embodiment shown in FIG. 2, and the corresponding parts are denoted by the same reference numerals and description thereof is omitted.

  FIG. 10 is a block diagram illustrating an internal configuration of the remote controller 3 according to the second embodiment. The remote controller 3 includes a calculation unit that performs calculation, a RAM that stores information associated with the calculation, a ROM that stores programs necessary for the calculation, and the like, and includes a control unit 32 that controls the operation of each unit of the remote control 3. Connected to the control unit 32 are a display unit 31 such as a small liquid crystal panel or an EL panel, a transmission / reception unit 33 that transmits / receives information to / from the reception device 1, and an operation unit 34 such as various push buttons or a touch panel. Has been. The control unit 32 displays necessary information on the display unit 31, receives an operation from the viewer through the operation unit 34, and transmits a control signal corresponding to the received operation from the transmission / reception unit 33 to the reception device 1. The remote controller 3 can also receive data transmitted from the receiving device 1 by the transmission / reception unit 33. The control unit 32 is further connected with a storage unit 35 configured by a semiconductor memory or the like. The control unit 32 stores the data received by the transmission / reception unit 33 in the storage unit 35 as necessary.

  Next, processing executed by the image receiving system according to Embodiment 2 will be described. The start and end processes of the wall picture process executed by the receiving apparatus 1 are the same as those in the first embodiment. FIG. 11 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the second embodiment. While wall picture processing is being performed on the display device 2, the timer control unit 108 measures the time that has elapsed since the power-saving state is entered, and determines whether or not a predetermined time has elapsed ( S501). If the predetermined time has not yet elapsed (S501: NO), the timer control unit 108 continues to measure the elapsed time. When a predetermined time has elapsed since entering the power saving state (S501: YES), the timer control unit 108 resumes power supply from a power supply unit (not shown) to each unit including the tuner unit 101 (S502). The image extraction control unit 109 inputs a signal designating one channel to the channel selection control unit 105, and the channel selection control unit 105 causes the tuner unit 101 to select the designated channel. (S503). The tuner unit 101 receives the broadcast signal on the selected channel (S504), and the image extraction control unit 109 stops the image extraction unit 110 from the program video represented by the digital video signal output from the video demodulation unit 106. An image is extracted (S505). The image extraction unit 110 inputs the image data representing the extracted still image to the remote control transmission / reception unit 111, and the remote control transmission / reception unit 111 transmits the image data representing the still image extracted by the image extraction unit 110 to the remote control 3 (S506). ).

  The remote controller 3 receives the image data transmitted from the receiving device 1 by the transmitting / receiving unit 33 (S509). The control unit 32 stores the received image data in the storage unit 35 (S510). The storage unit 35 stores image data separately for each channel, and the control unit 32 stores new image data so as to overwrite image data related to the same channel as the image data to be newly stored. . Thus, the storage unit 35 stores image data corresponding to the latest program content.

  After step S506 is completed, the image extraction control unit 109 determines whether or not the process of acquiring images on all receivable channels has been completed (S507). If there is still a channel that has not acquired an image indicating the content of the broadcast program (S507: NO), the image extraction control unit 109 returns the process to step S503, and designates a channel for which an image has not yet been acquired. To the channel selection control unit 105. When the process of acquiring images has been completed for all channels (S507: YES), the receiving apparatus 1 is a power supply unit to each unit including the tuner unit 101 except for the timer control unit 108 and the remote control transmission / reception unit 111. The power supply from is stopped (S508). The receiving apparatus 1 ends the process of acquiring an image, and repeats the same process from step S501.

  FIG. 12 is a flowchart showing a procedure of processing for displaying a still image related to each channel executed by the remote controller 3. The control unit 32 of the remote controller 3 reads one image data from the plurality of image data stored in the storage unit 35 at a predetermined timing (S521). The control unit 32 decodes the read image data and causes the display unit 31 to display a still image based on the image data (S522). In step S522, the control unit 32 may display the still image continuously for a predetermined time such as 30 seconds, or continuously displays the still image until an arbitrary operation from the viewer is received by the operation unit 34. May be. In step S522, a still image indicating the content of the program broadcast on one channel is displayed. Next, the control unit 32 determines whether still images related to all channels have been displayed (S523). If there is a channel that has not yet displayed a still image (S523: NO), the control unit 26 returns the process to step S521, and reads image data representing a still image that has not been displayed from the storage unit 35. When still images related to all channels are displayed (S523: YES), the control unit 26 ends the process. By repeating steps S521 to S523, a plurality of still images indicating the contents of programs broadcast on a plurality of channels are sequentially displayed on the display unit 31 of the remote controller 3. The control unit 32 may periodically execute the above processing, or may execute the above processing when a predetermined operation from the viewer is received by the operation unit 34.

  As described above in detail, in the present embodiment, the image receiving system of the present invention displays an image showing the contents of a program being broadcast on each channel on the display unit 31 of the remote controller 3 during wall picture processing. The viewer can grasp the contents of the program being broadcast by checking the display on the remote controller 3 while the wall picture processing is being executed on the display device 2.

  The image receiving system according to the present embodiment may be configured to execute the same processing as in the first embodiment in parallel with the processing for displaying an image showing the content of the program being broadcast on the remote controller 3. Further, the display device 2 may be configured not to display an image indicating the content of the program being broadcast. The image receiving system is a mode in which an image indicating the content of a program being broadcast is displayed on the display device 2, displayed on the remote control 3, or displayed on both the display device 2 and the remote control 3. May be.

(Embodiment 3)
In the third embodiment, an embodiment is shown in which an image indicating the content of a broadcast program is acquired using an EPG (Electronic Program Guide). The appearance of the image receiving system according to the second embodiment is the same as that of the first embodiment shown in FIG. 1, and the internal configuration of the display device 2 is the same as that of the first embodiment shown in FIG. is there.

  FIG. 13 is a block diagram showing an internal configuration of receiving apparatus 1 according to Embodiment 3. The tuner unit 101 receives a broadcast signal including a signal indicating the content of the EPG, and the TS processing unit 103 extracts data relating to the EPG from the TS data. An EPG data demodulation unit 112 is connected to the TS processing unit 103, and the TS processing unit 103 inputs data related to the EPG to the EPG data demodulation unit 112. The EPG data demodulating unit 112 generates EPG data representing the contents of the EPG, including the program name of the program to be broadcast, the broadcast start time, and the like from the input data. The EPG data demodulation unit 112 is connected to the HDMI transmission unit 107. The EPG data demodulation unit 112 inputs EPG data to the HDMI transmission unit 107, and the HDMI transmission unit 107 transmits the EPG to the display device 2 via the HDMI cable 41. Send data. The display device 2 can receive the EPG data with the HDMI receiving unit 28 and display the EPG based on the EPG data with the display unit 21. The EPG data demodulator 112 is connected to the timer controller 108 and the image extraction controller 109. Other configurations of the receiving apparatus 1 are the same as those of the first embodiment shown in FIG. 2, and the corresponding parts are denoted by the same reference numerals and description thereof is omitted.

  FIG. 14 is a schematic diagram illustrating an example of an EPG displayed on the display device 2. A program guide is displayed for each channel such as channel A and channel B. In the program guide for each channel, the name of each program and the broadcast start time are displayed.

  Next, processing executed by the image receiving system according to Embodiment 3 will be described. The start and end processes of the wall picture process executed by the receiving apparatus 1 are the same as those in the first embodiment. When starting the wall picture processing, the receiving apparatus 1 supplies power to each unit including the tuner unit 101 from a power supply unit (not shown) based on the EPG data. The restart time is set as the restart time.

  15 and 16 are flowcharts showing a procedure of processing for acquiring an image showing the content of a broadcast program in the image receiving system according to the third embodiment. While the wall picture processing is being performed on the display device 2, the timer control unit 108 measures the time and determines whether or not the current time has reached the restart time (S601). If it is not yet the restart time (S601: NO), the timer control unit 108 continues to measure time. When the current time becomes the restart time (S601: YES), the timer control unit 108 restarts power supply from the power supply unit (not shown) to each unit including the tuner unit 101 (S602). The EPG data demodulator 112 starts broadcasting a program based on the EPG data generated based on the broadcast signal received by the tuner unit 101 or the EPG data stored as necessary, using the restart time as the broadcast start time. The designated channel is identified (S603). In the example of the EPG shown in FIG. 14, when the broadcast start time is 10:00, channel A and channel B are specified in step S603.

  The EPG data demodulation unit 112 inputs information indicating the specified channel to the image extraction control unit 109, and the image extraction control unit 109 sends a signal for designating one of the specified channels to the channel selection control unit 105. The channel selection control unit 105 selects the channel designated by the tuner unit 101. (S604). The tuner unit 101 receives the broadcast signal on the selected channel (S605), and the image extraction control unit 109 stops the image extraction unit 110 from the program video represented by the digital video signal output from the video demodulation unit 106. An image is extracted (S606). The image extraction unit 110 inputs the image data representing the extracted still image to the HDMI transmission unit 107, and the HDMI transmission unit 107 transmits the image data representing the still image extracted by the image extraction unit 110 to the display device 2 ( S607). The display device 2 receives the image data by the HDMI receiving unit 28 (S612), and the storage control unit 26 stores the image data in the image data storage unit 29 as the captured image data 292 (S613).

  After step S607 ends, the image extraction control unit 109 determines whether or not the process of acquiring images for all specified channels has ended (S608). If there is still a channel for which an image indicating the content of the broadcast program has not been acquired (S608: NO), the image extraction control unit 109 returns the process to step S604 and still acquires an image within the specified channel. A signal for designating a channel that is not set is input to the tuning control unit 105. When the process of acquiring images has been completed for all the specified channels (S608: YES), the EPG data demodulator 112 starts broadcasting the earliest on any channel based on the EPG data. The broadcast start time of the program is specified (S609). In the example of returning from the power saving state at 10:00 using the EPG shown in FIG. 14, 10:00 is specified as the next broadcast start time. The EPG data demodulation unit 112 inputs the specified broadcast start time to the timer control unit 108, and the timer control unit 108 sets the input broadcast start time as the restart time (S610). Next, the receiving apparatus 1 stops the power supply from the power supply unit to each unit including the tuner unit 101 except for the timer control unit 108 and the remote control transmission / reception unit 111 (S611). The receiving device 1 ends the process of acquiring an image as described above, and repeats the same process from step S601.

  Similar to the first embodiment, the display device 2 performs wall picture processing and processing for displaying an image acquired by the receiving device 1. Through the above processing, also in the present embodiment, the image receiving system of the present invention displays an image showing the contents of a program being broadcast on each channel between wall picture images during wall picture processing. Based on the EPG data, the broadcast start time of the next program to be broadcast the earliest is set as the restart time, the power supply to the tuner unit 101 is resumed at the set restart time, and the contents of the program that has started broadcasting are displayed. By acquiring the image shown, when the broadcast of a new program is started, the contents of the program can be notified to the viewer. In the present embodiment, an embodiment has been described in which an image related to a channel where a program is newly started is acquired. However, the image receiving system of the present invention is an embodiment that acquires images related to all receivable channels. There may be.

(Embodiment 4)
In the fourth embodiment, every time a program is started on a predetermined channel, a process of updating an image indicating the program content is performed. The configuration of the image receiving system according to the present embodiment is the same as that of the third embodiment.

  FIG. 17 is a flowchart illustrating a procedure of processing for setting a channel for acquiring an image indicating the content of a program and a restart time in the receiving apparatus 1 according to the fourth embodiment. The remote controller 3 accepts designation of a channel by accepting a predetermined operation from the viewer, and transmits a signal indicating the designated channel to the receiving device 1. The remote controller transmission / reception unit 111 of the receiving apparatus 1 receives a signal indicating the designated channel, and the timer control unit 108 sets the designated channel as a channel for acquiring an image indicating the content of the program (S701). The EPG data demodulation unit 112 generates EPG data based on the broadcast signal received by the tuner unit 101 (S702), and reads the broadcast start times of a plurality of programs broadcast on the designated channel from the EPG data. The broadcast start time of each program related to the designated channel is specified (S703). The EPG data demodulating unit 112 inputs the plurality of specified broadcast start times to the timer control unit 108, and the timer control unit 108 sets the input plurality of broadcast start times as restart times (S704), and ends the processing. To do. The timer control unit 108 stores the set channel and restart time. In the example of the EPG shown in FIG. 14, when channel B is designated, 10:00, 10:50, and 11:00 are set as the restart time.

  The start and end processes of the wall picture process executed by the receiving apparatus 1 are the same as those in the first embodiment. FIG. 18 is a flowchart illustrating a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the fourth embodiment. While the wall picture processing is being performed on the display device 2, the timer control unit 108 measures time and determines whether or not the current time has reached the restart time (S711). If it is not yet the restart time (S711: NO), the timer control unit 108 continues to measure time. When the current time is the restart time (S711: YES), the timer control unit 108 restarts power supply from the power supply unit (not shown) to each unit including the tuner unit 101 (S712).

  The timer control unit 108 inputs information indicating the set channel to the image extraction control unit 109, and the image extraction control unit 109 inputs a signal designating the set channel to the channel selection control unit 105, The channel selection control unit 105 selects a channel set in the tuner unit 101 (S713). The tuner unit 101 receives a broadcast signal on the selected channel (S714), and the image extraction control unit 109 causes the image extraction unit 110 to stop the program video represented by the digital video signal output from the video demodulation unit 106. An image is extracted (S715). The image extraction unit 110 inputs the image data representing the extracted still image to the HDMI transmission unit 107, and the HDMI transmission unit 107 transmits the image data representing the still image extracted by the image extraction unit 110 to the display device 2 ( S716). The display device 2 receives the image data by the HDMI receiving unit 28 (S718), and the storage control unit 26 stores the image data in the image data storage unit 29 as the captured image data 292 (S719). After step S716 is completed, the receiving apparatus 1 stops supplying power from the power supply unit to each unit including the tuner unit 101, except for the timer control unit 108 and the remote control transmission / reception unit 111 (S717). The receiving apparatus 1 ends the process of acquiring an image as described above, and repeats the same process from step S711.

  Similar to the first embodiment, the display device 2 performs wall picture processing and processing for displaying an image acquired by the receiving device 1. Through the above processing, in the present embodiment, the image receiving system of the present invention displays, during wall picture processing, an image showing the contents of a program being broadcast on a specified channel between wall picture images. . Based on the EPG data, the broadcast start time of each program on the designated channel is set as the restart time in advance, so that the contents of the program can be viewed when a new program broadcast starts on the designated channel. Can be notified to the person. In the present embodiment, an embodiment has been described in which an image related to only a designated channel is acquired. However, the image receiving system of the present invention may be an embodiment that acquires an image related to all receivable channels. Good. In the case of this form, it is possible not only to notify the contents of a program that has started broadcasting on a designated channel, but also to notify the contents of a program being broadcast on another channel.

(Embodiment 5)
In the fifth embodiment, a process of updating an image indicating the program content in a predetermined time zone is performed. As shown in the example of the EPG shown in FIG. 14, the broadcast start time of the program is biased to a specific time zone, and most programs start broadcasting at around 00 minutes per hour or around 30 minutes per hour. . In the receiving apparatus 1 in the present embodiment, the restart time and stop time of the image acquisition process are set in advance so that an image corresponding to the content of the program can be acquired in a time zone in which the broadcast start times of the program are concentrated. It is. For example, the receiving device 1 sets a time of 55 minutes per hour as a restart time and a time of 05 minutes per hour as a stop time. The timer control unit 108 stores a restart time and a stop time. Other configurations of the image receiving system according to the present embodiment are the same as those of the third embodiment.

  19 and 20 are flowcharts showing a procedure of processing for acquiring an image indicating the content of a broadcast program in the image receiving system according to the fifth embodiment. While the wall picture processing is being performed on the display device 2, the timer control unit 108 measures the time and determines whether or not the current time has reached the restart time (S801). If it is not yet the restart time (S801: NO), the timer control unit 108 continues to measure time. When the current time becomes the restart time (S801: YES), the timer control unit 108 restarts power supply from the power supply unit (not shown) to each unit including the tuner unit 101 (S802). The EPG data demodulation unit 112 starts broadcasting during the time until the stop time based on the EPG data generated based on the broadcast signal received by the tuner unit 101 or the EPG data stored as necessary. The program channel and broadcast start time are specified (S803). The EPG data demodulation unit 112 inputs information indicating the specified channel to the image extraction control unit 109 and inputs information indicating the specified broadcast start time to the timer control unit 108.

  The timer control unit 108 measures the time and determines whether or not the current time is the broadcast start time of any program (S804). If the current time is the broadcast start time of any program (S804: YES), the image extraction control unit 109 selects a signal that designates one of the channels on which the program broadcast has started. Input to the control unit 105, the channel selection control unit 105 causes the tuner unit 101 to select a specified channel. (S805). The tuner unit 101 receives a broadcast signal on the selected channel (S806), and the image extraction control unit 109 stops the image extraction unit 110 from the program video represented by the digital video signal output from the video demodulation unit 106. An image is extracted (S807). The image extraction unit 110 inputs the image data representing the extracted still image to the HDMI transmission unit 107, and the HDMI transmission unit 107 transmits the image data representing the still image extracted by the image extraction unit 110 to the display device 2 ( S808). The display device 2 receives the image data by the HDMI receiving unit 28 (S812), and the storage control unit 26 stores the image data in the image data storage unit 29 as the captured image data 292 (S813).

  After step S808 ends, the image extraction control unit 109 determines whether or not the process of acquiring images has ended for all channels on which the program has started broadcasting (S809). If there is still a channel for which an image showing the content of the program that has started broadcasting has not been acquired (S809: NO), the image extraction control unit 109 returns the process to step S805, and the channel that has started broadcasting the program is still in the channel. A signal for designating a channel from which no image is acquired is input to the channel selection control unit 105.

  If it is not yet the broadcast start time in step S804 (S804: NO), or if the process of acquiring images in all channels where the program started broadcasting in step S809 has ended (S809: YES), the timer control unit 108 measures the time and determines whether or not the current time has become a stop time (S810). If it is not yet the stop time (S810: NO), the timer control unit 108 returns the process to step S804. When the current time is the stop time (S810: YES), the receiving apparatus 1 stops the power supply from the power supply unit to each unit including the tuner unit 101, except for the timer control unit 108 and the remote control transmission / reception unit 111. (S811). The receiving device 1 ends the process of acquiring an image as described above, and repeats the same process from step S801.

  Similar to the first embodiment, the display device 2 performs wall picture processing and processing for displaying an image acquired by the receiving device 1. Through the above processing, in the present embodiment, the image receiving system of the present invention converts an image showing the contents of a program that has been broadcast in a predetermined time zone into a wall picture image during wall picture processing. Display in between. By setting the start time and end time of the image acquisition process before and after the time when the broadcast start time of the program is concentrated, the image showing the contents of the program that is newly started broadcast can be efficiently The contents of the program can be notified to the viewer.

  In the first to fifth embodiments described above, the still image indicating the contents of the broadcast program is displayed. However, the image receiving system of the present invention can display a moving image as an image indicating the contents of the broadcast program. The form which displays an image may be sufficient. Further, as a method of displaying an image showing the contents of a program in addition to a wall picture image, a method other than a method of displaying an image showing the contents of a program between wall picture images may be used. For example, a method of dividing the screen of the display unit 21 and simultaneously displaying an image of a wall picture and an image showing the contents of a program, or a method of displaying an image showing the contents of a program superimposed on an image of a wall picture is used. May be.

  In the first to fifth embodiments, the form of receiving a digital broadcast broadcast signal has been described. However, the image receiving system of the present invention may be configured to receive an analog broadcast broadcast signal. In the first to fifth embodiments, the sound is output from the display device 2. However, in the image receiving system of the present invention, a speaker different from the display device 2 is connected to the receiving device 1. The form which outputs a sound using a speaker may be sufficient.

  In the first to fifth embodiments, the receiving apparatus 1 communicates with the remote controller 3. However, in the image receiving system of the present invention, the display apparatus 2 communicates with the remote controller 3, and the receiving apparatus 1 The form which communicates with the remote control 3 via the display apparatus 2 may be sufficient. In the first to fifth embodiments, the form using HDMI as an interface for transmitting and receiving data between devices is shown. However, the image receiving system of the present invention transmits necessary data to the receiving device 1 and the display device 2. Any other interface may be used as long as the interface can be exchanged between them. Moreover, the form which exchanges data by radio | wireless communication between the receiver 1 and the display apparatus 2 may be sufficient.

  In the first to fifth embodiments, an image receiving system including the receiving device 1 and the display device 2 is shown as an embodiment of the present invention. However, the present invention has functions of both the receiving device 1 and the display device 2. It can also be realized with a receiver. FIG. 21 is a schematic diagram showing the configuration of the receiver 5 of the present invention. The receiver 5 includes a portion corresponding to the receiving device 1 and a portion corresponding to the display device 2, and can execute the same processing as the receiving device 1 and the display device 2 according to the first to fifth embodiments. Is possible. Note that it is not necessary to use HDMI in order to transmit various data in the receiver 5, and a data transmission method that can be used in a normal device may be used.

DESCRIPTION OF SYMBOLS 1 Reception apparatus 101 Tuner part 105 Channel selection control part 107 HDMI transmission part 108 Timer control part 109 Image extraction control part 110 Image extraction part 111 Remote control transmission / reception part 2 Display apparatus 21 Display part 22 Display control part 23 Image reproduction part 26 Storage control part 28 HDMI receiver 29 Image data storage 3 Remote control (remote control device)
31 Display Unit 32 Control Unit 5 Receiver

Claims (12)

A display device that includes a tuner unit that receives a broadcast signal, outputs a video signal based on the broadcast signal, and a display unit, and displays a video based on the video signal output from the reception device on the display unit In an image receiving system comprising:
The display device
Means for reading image data from a recording medium for recording image data;
First display means for displaying on the display unit an image based on the image data read by the means;
The receiving device is:
Stop means for stopping power supply to the tuner section;
Resuming means for resuming power supply to the tuner section at a specific time;
Image extracting means for extracting an image from a broadcast program video based on a broadcast signal received by the tuner unit after power supply to the tuner unit is resumed;
Means for transmitting image data representing the image extracted by the image extraction means to the display device,
The display device further includes:
An image receiving system comprising: second display means for displaying an image based on image data received from the receiving device on the display unit in addition to the image displayed by the first display means. The receiving device is:
When power supply to the tuner unit resumes, the tuner unit further comprises means for receiving broadcast signals on a plurality of channels,
The image extraction means includes means for extracting an image based on each of the broadcast signals received by the tuner section on the plurality of channels,
The display device
Means for creating a composite image by combining a plurality of images related to the plurality of channels into a single image;
The image receiving system according to claim 1, wherein the second display unit includes a unit that displays the composite image on the display unit. The receiving device is:
When power supply to the tuner unit resumes, the tuner unit further comprises means for receiving broadcast signals on a plurality of channels,
The image extraction means includes means for extracting an image based on each of the broadcast signals received by the tuner section on the plurality of channels,
The image receiving system according to claim 1, wherein the second display unit includes a unit that sequentially displays a plurality of images related to the plurality of channels on the display unit. The restarting means includes means for restarting power feeding to the tuner section at a predetermined time interval,
The said stop means has a means to stop the electric power feeding to the said tuner part, after transmission of the image extracted by the said image extraction means is complete | finished. The Claim 1 characterized by the above-mentioned. Image receiving system. The receiving device is:
Means for generating electronic program guide data from broadcast signals;
Means for obtaining a broadcast start time of a program that is broadcasted earliest on any channel based on data of the electronic program guide;
Means for setting the broadcast start time obtained by the means to a time at which power supply to the tuner unit is resumed,
The said stop means has a means to stop the electric power feeding to the said tuner part, after transmission of the image extracted by the said image extraction means is complete | finished. The Claim 1 characterized by the above-mentioned. Image receiving system. The receiving device is:
Means for generating electronic program guide data from broadcast signals;
Means for determining broadcast start times of a plurality of programs broadcast on a specific channel based on data of the electronic program guide;
Means for setting each of the broadcast start times of the plurality of programs obtained by the means to a time at which power supply to the tuner unit is resumed;
The said stop means has a means to stop the electric power feeding to the said tuner part, after transmission of the image extracted by the said image extraction means is complete | finished. The Claim 1 characterized by the above-mentioned. Image receiving system. The restarting means has means for restarting power supply to the tuner section at a predetermined restart time determined in advance.
The receiving device is:
Means for generating electronic program guide data from broadcast signals;
Means for detecting a program that starts broadcasting between the predetermined restart time and a predetermined stop time based on the data of the electronic program guide;
The image extracting means has means for extracting an image from a video of a program that has started broadcasting based on a broadcast signal;
The image receiving system according to any one of claims 1 to 3, wherein the stop unit includes a unit that stops power supply to the tuner unit at the predetermined stop time. A remote control device for communicating with the receiving device;
The receiving device is:
Means for transmitting image data representing the image extracted by the image extraction means to the remote control device;
The remote control device is:
A display unit;
The image receiving system according to claim 1, further comprising: a unit configured to display an image based on the image data received from the receiving device on the display unit. A display device that includes a tuner unit that receives a broadcast signal, outputs a video signal based on the broadcast signal, and a display unit, and displays a video based on the video signal output from the reception device on the display unit And an image receiving system comprising a remote control device that communicates with the receiving device,
The display device
Means for reading image data from a recording medium for recording image data;
Means for causing the display unit to display an image based on the image data read by the means,
The receiving device is:
Stop means for stopping power supply to the tuner section;
Resuming means for resuming power supply to the tuner section at a specific time;
Image extracting means for extracting an image from a broadcast program video based on a broadcast signal received by the tuner unit after power supply to the tuner unit is resumed;
Means for transmitting image data representing the image extracted by the image extraction means to the remote control device;
The remote control device is:
A display unit;
An image receiving system comprising: means for displaying an image based on the image data received from the receiving device on the display unit. In a receiving device that includes a tuner unit that receives a broadcast signal and outputs a video signal based on the broadcast signal,
Stop means for stopping power supply to the tuner section;
Resuming means for resuming power supply to the tuner section at a specific time;
Image extracting means for extracting an image from a broadcast program video based on a broadcast signal received by the tuner unit after power supply to the tuner unit is resumed;
Means for outputting image data representing the image extracted by the image extraction means. In a display device comprising a display unit and displaying an image based on a video signal received from the outside on the display unit,
Means for reading image data from a recording medium for recording image data;
First display means for displaying on the display unit an image based on the image data read by the means;
Means for receiving image data from outside;
A display device comprising: a second display unit configured to display an image based on image data received from the outside on the display unit in addition to the image displayed by the first display unit. In a receiver that includes a display unit and a tuner unit that receives a broadcast signal, and that displays video based on the broadcast signal on the display unit,
Stop means for stopping power supply to the tuner section;
Means for reading image data from a recording medium for recording image data;
First display means for displaying on the display unit an image based on the image data read by the means;
Resuming means for resuming power supply to the tuner section at a specific time;
Image extracting means for extracting an image from a broadcast program video based on a broadcast signal received by the tuner unit after power supply to the tuner unit is resumed;
And a second display unit that displays the image extracted by the image extraction unit on the display unit in addition to the image displayed by the first display unit.

Images