JP2005333532A - Television receiver with built-in wireless communication device - Google Patents

Abstract

An object of the present invention is to improve user convenience by searching, storing and presetting a receivable channel in a television receiver with a built-in wireless communication device.
A control unit (111) notifies a start of a channel search to a control unit (102) via a wireless communication unit (115) and a wireless communication unit (105), so that the control unit (102) Selects the tuner (103), determines the presence or absence of synchronization from the video processing unit (104), finds a receivable channel, and sends the result via the wireless communication unit (105) and the wireless communication unit (115). By repeating the notification to the control unit (111), all the receivable channels are preset in the storage device (112), thereby improving the usability of the user.
[Selection] Figure 1

Description

  The present invention relates to a television receiver with a built-in wireless communication apparatus, and more particularly, to a television receiver with a built-in wireless communication apparatus that can search, store and preset a receivable channel.

Conventionally, a transmission device including a tuner and a display device are configured separately, a television broadcast signal received by the transmission device is transmitted to the display device by wireless communication, and predetermined processing is performed on the television broadcast signal received by the display device. A system that is provided as a television screen after application is known (for example, see Patent Document 1).
JP 2001-358966 A

  However, the above-described conventional system has a problem in terms of user-friendliness because there is no function for searching and presetting the optimum broadcast for the area used by the user.

  In view of the above problems, an object of the present invention is to provide a television receiver with a built-in wireless communication device capable of searching and presetting a broadcast most suitable for an area used by a user.

  In the television receiver with a built-in wireless communication apparatus according to claim 1 of the present invention, the display control unit transmits a channel search start notification, and the video / audio transmission control unit receives a channel search start notification from the display control unit. Receiving means, means for controlling the channel selection by the video / audio transmission control unit, means for determining the presence / absence of a synchronization signal from the video output signal of the tuner, and the video / audio transmission control unit Means for transmitting a search result notification to a device control unit; means for receiving the search result notification from the video / audio transmission control unit; and means for controlling the video / audio transmission of the display device control unit. Means for storing a channel determined to be receivable by the search based on a search result notification from the section.

  A television receiver with a built-in wireless communication apparatus according to claim 2 of the present invention comprises means for displaying the progress status of channel search on the screen in the configuration of the television receiver with a built-in wireless communication apparatus according to claim 1. It is characterized by.

  A television receiver with a built-in wireless communication apparatus according to claim 3 of the present invention displays, on the screen, a channel determined to be receivable by channel search in the configuration of the television receiver with a built-in wireless communication apparatus according to claim 1. It is characterized by providing the means to do.

  According to the present invention, in a television receiver with a built-in wireless communication device, it is possible to improve user convenience by searching, storing and presetting a receivable channel. Further, by displaying the progress status of the channel search, it is possible to reduce the user's anxiety due to wireless communication.

(Embodiment 1)
FIG. 1 is a block diagram showing a configuration of a television receiver with a built-in wireless communication apparatus according to Embodiment 1 of the present invention. The television receiver with a built-in wireless communication device includes a transmission device 101 and a display device 110.

  The transmission apparatus 101 includes a control unit 102, a tuner 103, a video processing unit 104, a wireless communication unit 105, an input switching control unit 106, and an MPEG encoding unit 107.

  The control unit 102 controls the tuner 103 based on the channel search start notification from the wireless communication unit 105. Also, it is determined whether or not the video signal input to the video processing unit 104 is synchronized. In addition, a channel search result notification and an end notification are output to the wireless communication unit 105. The tuner 103 performs a channel selection operation based on the control from the control unit 102. The video processing unit 104 processes the video output of the tuner 103 so that the control unit 102 can determine whether the selected channel is synchronized. Further, the processed video is output to the input switching control unit 106. The wireless communication unit 105 converts the encoded video signal and / or audio signal from the MPEG encoding unit 107 into a format that allows wireless communication, and then transmits the converted signal to the display device 110. Further, it receives a channel search start notification from the display device 110 and outputs it to the control unit 102. In addition, a channel search result notification and an end notification from the control unit 102 are transmitted to the display device 110. The input switching control unit 106 switches video signals from the video processing unit 104 and a still image generation unit (not shown) under the control of the control unit 102. The MPEG encoding unit 107 encodes the video signal or audio signal from the input switching control unit 106.

  The display device 110 includes a control unit 111, a storage unit 112, an audio output unit 113, a display unit 114, a wireless communication unit 115, an MPEG decoding unit 116, an input switching control unit 117, and a video output unit 118. Composed.

  The control unit 111 outputs a channel search start notification to the wireless communication unit 115. Further, the progress status of the channel search is displayed on the display unit 114 based on the channel search result notification from the wireless communication unit 115. In addition, based on the channel search end notification from the wireless communication unit 115, the receivable channels are displayed on the display unit 114. Also, the volume level of the audio output unit 113 is controlled at the start and end of the channel search. Also, the channel determined to be receivable by the channel search is stored in the storage unit 112. The storage unit 112 stores a channel that is determined to be receivable by the channel search. The audio output unit 113 is a means for reproducing the audio signal input from the input switching control unit 117. The display unit 114 displays the video from the video output unit 118 and the on-screen display display from the control unit 111. The wireless communication unit 115 outputs a channel search start notification from the control unit 111 to the transmission apparatus 101. In addition, after receiving the video signal and / or audio signal converted into a format capable of wireless communication from the transmission apparatus 101 and converting the video signal and / or audio signal encoded by the MPEG encoding unit 107, the video signal and / or audio signal is output to the MPEG decoding unit 116. To do. In addition, a channel search result notification and an end notification from the transmission apparatus 101 are output to the control unit 111. The MPEG decoding unit 116 decodes the encoded video signal and / or audio signal received by the wireless communication unit 115. The input switching control unit 117 switches between the video signal and / or audio signal from the code unit 116 and the video signal and / or audio signal from the external input unit (not shown) in accordance with the control from the control unit 111. And output to the video output unit 118 and / or the audio output unit 113. The video output unit 118 is a means for displaying the video signal input from the input switching control unit 117.

  The channel search control will be described with reference to FIGS.

  First, in the display device 110, the control unit 111 determines whether there is a channel search request by a user's button (not shown) operation and an on-screen menu operation displayed on the display unit 114 (step 201).

  When there is a channel search request (“Y” in step 201), the control unit 111 controls the audio output unit 113 to prevent the sound from being output and difficult to hear when the channel is not receivable during the channel search. The level is lowered and the display device 110 itself waits for a certain time in consideration of the response time (step 202). After the processing, a channel search start notification is transmitted to the control unit 102 of the transmission device 101 via the wireless communication unit 115 and the wireless communication unit 105 (step 203), and the channel search result notification from the transmission device 101 is transmitted. Shift to the reception waiting state (step 204).

  In the transmission apparatus 101, when receiving the channel search start notification (“Y” in step 301), the control unit 102 controls the tuner 103 to select the first channel (step 302), and performs channel search processing. (Step 303).

  Specifically, the control unit 102 determines whether the video signal received by the tuner 103 and input to the video processing unit 104 is synchronized as channel search processing. Then, the determination result is transmitted as a channel search result notification to the control unit 111 of the display device 110 via the wireless communication unit 105 and the wireless communication unit 115 (step 304). Here, in the channel search result notification, the searched channel number, the presence / absence of synchronization, and error information in the search operation are notified.

  Then, it is determined whether or not all channels have been searched (step 305). If all channels have not been searched (“N” in step 305), the next channel is selected (step 306). The process proceeds to channel search processing (step 303) and channel search result notification transmission processing (step 304). When it is determined that all channels have been searched (“Y” in step 305), a channel search end notification is transmitted to the control unit 111 of the display device 110 via the wireless communication unit 105 and the wireless communication unit 115. (Step 307). Here, the channel search end notification notifies the end of the channel search and the status of error information and the like in the channel search operation.

  When the control unit 111 of the display device 110 receives a channel search result notification including information indicating that the selected channel is synchronized (“Y” in step 204 and “Y” in step 205), the display unit 114 4 displays the progress status of the channel search shown in FIG. 4 (step 206), and temporarily stores the channel search result in the RAM (not shown) of the control unit 102 (step 207). Temporary storage in a RAM (not shown) is performed in order to store the channel determined to be synchronized in the storage unit 112 when the channel search is completed.

  On the other hand, when a channel search result notification including information indicating that the selected channel is not synchronized is received (“Y” in step 204, “N” in step 205), the channel search result notification is returned to a standby state. (Step 204).

  When a channel search end notification is received (“N” in step 204, “Y” in step 208), the channel search result shown in FIG. 5 is displayed on the display unit 114 (step 209), and the RAM (FIG. The channel search result temporarily stored in the storage unit 112 is stored in the storage unit 112 (not shown) (step 210). Then, after waiting for a certain time, the audio output unit 113 is controlled to restore the lowered volume level (step 211), and the channel search is terminated. If the channel search end notification has not been received (“N” in step 204, “N” in step 208), the process returns to the channel search result notification waiting state (step 204).

  In the first embodiment, the progress status display of the channel search shown in FIG. 4 is performed every time a channel search result notification including information that the selected channel is synchronized is received. It may be continuously displayed after the start notification is transmitted until the channel search end notification is received and the channel search result is displayed.

  As described above, according to the television receiver with a built-in wireless communication apparatus of the present invention, it is possible to easily view the preset condition by searching for a receivable channel. It can be used with all AV devices that display.

1 is a block diagram showing a configuration of a television receiver with a built-in wireless communication device according to Embodiment 1 of the present invention. The flowchart which shows the operation | movement of the channel search control by the transmitter in Embodiment 1 The flowchart which shows the operation | movement from the start notification control of channel search control by a display apparatus in Embodiment 1 to a progress display and completion | finish. The figure which shows the progress status display during the channel search by the display apparatus in the first embodiment The figure which shows the display of the channel search result by the display apparatus in Embodiment 1

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 Transmission apparatus 102 Control part 103 Tuner 104 Video processing part 105 Wireless communication part 106 Input switching control part 107 MPEG encoding part 110 Display apparatus 111 Control part 112 Storage apparatus 113 Audio | voice output part 114 Display apparatus 115 Wireless communication part 116 MPEG decoding part 117 Input switching control unit 118 Video output unit

Claims (3)

Means for transmitting a channel search start notification from the display device control unit; means for receiving a channel search start notification from the display device control unit by the video / audio transmission control unit; and Means for controlling the presence or absence of a synchronization signal from the video output signal of the tuner, means for transmitting a search result notification to the display device control unit by the video / audio transmission control unit, and the display device Means for receiving a search result notification from the video / audio transmission control unit; and a channel determined to be receivable by the search by the display device control unit by the search result notification from the video / audio transmission control unit. A television receiver with a built-in wireless communication device, characterized by comprising means for storing. The television receiver with a built-in wireless communication device according to claim 1, further comprising means for displaying a progress status of channel search on a screen. 2. The television receiver with a built-in wireless communication device according to claim 1, further comprising means for displaying on a screen a channel determined to be receivable by channel search.

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