JP2008301419A - Television reception device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a television reception device such that all channels currently being broadcast are accurately displayed on a remote controller. <P>SOLUTION: In the television reception device 20 such that all receivable channels based upon channel information are displayed on the remote controller 12, a channel information communication unit 28 acquires information on all receivable channels at predetermined intervals of time and transmits the new acquired channel information to the remote controller 12. The remote controller 12 displays all the receivable channels 39 based upon the new channel information. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a television receiver, and more particularly to a technique for displaying a receivable channel on a remote control device.

  Conventionally, there are analog broadcasting, BS digital broadcasting, CS digital broadcasting, cable broadcasting, and the like as information media that can be received by a television receiver. In recent years, with the addition of terrestrial digital broadcasts, the number of channels that can be received has increased, and for users, a variety of broadcasts can be selected from a variety of broadcasts according to their preferences via a remote control device, etc. It is possible to enjoy.

  Then, the channel number corresponding to the broadcast program that can be received by the television receiver is displayed on the remote control device, so that the user can recognize the channel of the broadcast program that can be received, and can be received from many channels. Television receivers that make it possible to select possible channels with a remote control device are well known.

  For example, Patent Document 1 discloses that a broadcast receiver and a remote control device of the broadcast receiver, which performs input for selecting a channel corresponding to the broadcast program, includes a program title of the broadcast program extracted by the broadcast receiver. It is disclosed that data is acquired and a channel key for displaying a program title is displayed on an operation panel of a remote control device based on the program title data.

  Further, in Patent Document 2, the display genre is rewritten by a touch operation of the genre display unit, all channels are sequentially sent and displayed by a scroll switch operation, and a channel title display unit that displays a desired channel is touch-processed, A channel tuning remote control transmitter that tunes a desired channel to a receiving apparatus that performs a multi-channel broadcasting service is disclosed.

In Patent Document 3, the control unit of the mobile phone activates the built-in TV tuner to receive each channel, and displays a thumbnail of each channel on the display unit. A mobile phone with TV reception and remote control function that allows a user to select a desired channel while viewing a video of each channel displayed as a thumbnail is disclosed.
Japanese Patent Laid-Open No. 2007-6407 JP-A-8-265871 JP 2005-150831 A

  By the way, the channel being broadcast may change depending on the time zone. For example, some channels are broadcast only for a predetermined time during the day, while other channels are broadcast only for a predetermined time during the night. Then, there is a possibility that all channels currently broadcast are not displayed correctly on the remote control device.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a television receiver in which all currently broadcast channels are accurately displayed on a remote control device.

  In order to achieve the above object, the invention according to claim 1 is a receiving unit for receiving a television broadcast signal, and a remote control device operated by a user to select one channel from the television broadcast signal. And a channel information communication unit that acquires information on all channels corresponding to television broadcast signals receivable by the receiving unit and transmits the acquired channel information to the remote control device, and based on the channel information In the television receiver in which all receivable channels are displayed on the remote control device, the channel information communication unit obtains information on all receivable channels every predetermined time, and obtains the obtained new channel information. Is transmitted to the remote control device, and the remote control device is based on the new channel information. There is to display all the channels that can be received.

  In the television receiver of the present invention configured as described above, new receivable channel information acquired every predetermined time by the channel information communication unit is transmitted to the remote control device, and the new channel information is transmitted by the remote control device. Since all the receivable channels are displayed based on, it is possible to cope with the change of the broadcast channel depending on the time zone.

  Further, the invention according to claim 2 is the television receiver according to claim 1, wherein the channel information communication unit is configured such that the acquired new channel information is changed from the channel information at the time of previous acquisition. Only the acquired new channel information is transmitted to the remote control device.

  2. The television receiver according to claim 1, wherein the channel information communication unit acquires the channel information only when the acquired new channel information is changed from the channel information at the previous acquisition. Since the new channel information thus transmitted is transmitted to the remote control device, the number of times channel information is transmitted and received in the channel information communication unit and the remote control device is suppressed.

  According to a third aspect of the present invention, in the television receiving device according to the second aspect, an unnecessary channel is deleted from all channels displayed on the remote control device by a user's operation of the remote control device. If there is a channel deleted by the user's operation, the deleted unnecessary channel is automatically deleted from all receivable channels based on the acquired new channel information. There is to be.

  3. The television receiver according to claim 2, configured as described above, wherein an unnecessary channel can be deleted from all channels displayed on the remote control device by a user operating the remote control device. Has been. Then, since the deleted unnecessary channel is automatically deleted from all receivable channels based on the acquired new channel information, the remote controller can be used even if new channel information is transmitted to the remote control device. The device does not display the deleted unnecessary channels.

  According to a fourth aspect of the present invention, in the television receiver of the third aspect, the deleted unnecessary channel information is transmitted to the channel information communication unit, and the channel information communication is performed. The unit is to transmit new channel information obtained by removing the deleted unnecessary channel from the acquired new channel information to the remote control device based on the transmitted unnecessary channel information. .

  4. The television receiver according to claim 3, configured as described above, from the new channel information acquired by the channel information communication unit based on unnecessary channel information transmitted from the remote control device side. Since newer channel information excluding the deleted unnecessary channel is transmitted to the remote control device, the remote control device can display all the receivable channels excluding unnecessary channels only by displaying based on the newer channel information. Can be displayed.

  The invention according to claim 5 is the television receiver according to any one of claims 1 to 4, further comprising a storage unit for storing channel information acquired by the channel information communication unit, and the remote controller. The apparatus can display channels based on the channel information stored in the storage unit.

  5. The television receiver according to claim 1, configured as described above, for a channel based on channel information stored in a storage unit that stores channel information acquired by the channel information communication unit. Since the display is made possible by the remote control device, it is possible to display channels that could not be received at the present time but could be received in the past.

  According to a sixth aspect of the present invention, in the television receiving device according to the fifth aspect, the remote control device is based on the latest channel information and the past channel information stored in the storage unit. Channels that can be received at the same time and that cannot be received at the present time are displayed so as to be distinguishable from channels that can be currently received.

  6. The television receiver according to claim 5, configured as described above, which can be received in the past and cannot be received at present based on the latest channel information and past channel information stored in the storage unit. Is displayed so as to be distinguishable from the currently receivable channel by the remote control device, so that the currently receivable channel is displayed and the currently receivable channel is the currently receivable channel. It can be displayed in a distinguishable manner.

  The invention according to claim 7 is provided in a thin television device capable of receiving digital broadcasting in the television receiver according to any one of claims 1 to 6, wherein the remote control device comprises: All the receivable channels are scrollably displayed on the touch button type liquid crystal display unit, and when the desired channel is selected by the user and the power source of the thin television device is in the standby state, the remote control device allows the user to When a channel is selected and operated, the power source of the thin television device is turned on, and the selected and operated channel is displayed on the thin television device.

  The television receiver according to any one of claims 1 to 6 configured as described above, wherein all receivable channels are scrollably displayed on a touch button type liquid crystal display unit in a remote control device, and are desired by a user. Are selected. When a channel is selected and operated by the user in the remote control device when the power source of the thin television device is in a standby state, the power source of the thin television device is turned on and the selected channel is thin. Since it is displayed on the television device, even if the power source of the flat-screen television device is in a standby state, all channels currently being broadcast are accurately displayed on the remote control device, and the power source of the flat-screen television device is not turned on. A desired channel can be selected and displayed on the flat-screen television device.

  As described above, according to the first aspect of the present invention, it is possible to cope with a change in the broadcast channel depending on the time of day, so that all the currently broadcast channels can be accurately transmitted to the remote control device. Is displayed.

  According to the second aspect of the present invention, since the number of times channel information is transmitted and received in the channel information communication unit and the remote control device is suppressed, power consumption is suppressed.

  According to the third aspect of the present invention, even if new channel information is transmitted to the remote control device, the deleted unnecessary channel is not displayed on the remote control device, so the new channel information is transmitted to the remote control device. Each time the user does not need to delete unnecessary channels, the burden on the user is reduced.

  According to the fourth aspect of the present invention, the remote controller can display all receivable channels except unnecessary channels only by displaying based on newer channel information. Is simplified and power consumption is reduced.

  In addition, according to the fifth aspect of the present invention, it is possible to display channels that could not be received at the present time but were able to be received in the past. Is possible.

  According to the sixth aspect of the present invention, the currently receivable channels are displayed, and the currently unreceivable channels but the receivable channels in the past are displayed so as to be distinguishable from the currently receivable channels. Therefore, it is possible to clearly check the channels that can be received in the past but cannot be received now, as well as the channels that can be currently received.

  According to the seventh aspect of the present invention, since all the receivable channels are scrollably displayed on the touch button type liquid crystal display unit in the remote control device, all the receivable channels are confirmed. be able to. In addition, even if the power source of the flat-screen television device is in a standby state, all currently broadcast channels are accurately displayed on the remote control device. All the receivable channels can be confirmed just by looking at the device. In addition, it is possible to select a desired channel and display the desired channel on the flat-screen television device without turning on the power of the flat-screen television device, so that it is not necessary to search for the channel of the program to be viewed on the TV screen. You can see the desired channel right away.

Hereinafter, embodiments of the present invention will be described with reference to the drawings according to the following items.
(1) Schematic configuration of a thin television device including a television receiver (2) Configuration of a television receiver (3) Specific control regarding channel display (4) Summary

(1) Schematic configuration of a thin television device provided with a television receiver In the following, an example of a thin television device provided with a television receiver 20 (see FIG. 2) to which the present invention is applied with reference to FIG. A schematic configuration of the liquid crystal television apparatus 10 capable of receiving a certain digital broadcast will be described. FIG. 1 is a perspective view showing a liquid crystal television device 10. In FIG. 1, a liquid crystal television device 10 includes a television main body 11 and a remote control device 12. The television main body 11 displays an image based on, for example, a television broadcast signal or outputs sound. The remote control device 12 is operated by the user to select one channel from, for example, a television broadcast signal. In the present embodiment, the liquid crystal television device 10 is exemplified as the thin television device. However, the present invention is not limited to this embodiment, and the present invention can be applied as long as the television receiving device 20 is provided. For example, in the case of a thin television device such as a plasma television, a rear projection television, or an organic EL television, various modified embodiments are possible without departing from the gist of the present invention.

(2) Configuration of Television Reception Device FIG. 2 is a block configuration diagram of the television reception device 20 included in the liquid crystal television device 10. In FIG. 2, the television receiver 20 includes a receiver main body 21 and a remote controller 12 provided in the television main body 11. The receiver main body 21 includes a tuner 22, a front end 23, a decoder 24, an OSD circuit 25, an audio output unit 26, an image display unit 27, a channel information communication unit 28, a microcomputer 29, and a power supply circuit 30. And a storage unit 31. The remote control device 12 also includes a remote control communication unit 32, a control unit 33, a memory 34, and a display / operation unit 35.

  The tuner 22 is connected to the antenna 36, for example, and is selected from one television broadcast signal received by the antenna 36 according to a control signal input from the microcomputer 29 (for example, by the user operating the remote control device 12). The television broadcast signal corresponding to the channel) is acquired and output to the front end 23. That is, the tuner 22 functions as a receiving unit that receives the television broadcast signal together with the antenna 36.

  The front end 23 converts the television broadcast signal output from the tuner 22 into an intermediate frequency signal in accordance with a control signal input from the microcomputer 29, for example, and outputs the intermediate frequency signal to the decoder 24.

  The decoder 24 performs processing corresponding to a predetermined file format (for example, a well-known MPEG-2 format) on the intermediate frequency signal output from the front end 23 according to a control signal input from the microcomputer 29, for example. Thus, the intermediate frequency signal is separated into an audio signal and a video signal and decoded. Then, the decoded audio signal is output to the audio output unit 26 and the video signal is output to the image display unit 27.

  The OSD circuit 25 outputs an OSD display signal for causing the image display unit 27 to perform predetermined OSD display (on-screen display display) from the decoder 24 to the image display unit 27 in accordance with, for example, a control signal input from the microcomputer 29. To the video signal.

  The audio output unit 26 includes, for example, an audio output amplifier IC 26a and a speaker 26b. The audio output unit 26 performs predetermined processing such as sound quality adjustment and power amplification on the audio signal input from the decoder 24, and converts the audio data based on the audio signal. The corresponding sound is output from the speaker 26b.

  The image display unit 27 includes, for example, a panel drive circuit 27a, a liquid crystal panel 27b, and the like. An image corresponding to image data based on the video signal output from the decoder 24, or an OSD display output from the decoder 24 by the OSD circuit 25. An image corresponding to the image data based on the video signal obtained by combining the signals is displayed.

  The channel information communication unit 28 receives various signals (control commands) transmitted from the remote control communication unit 32, for example, and outputs various data based on these various signals to the microcomputer 29. In addition, the channel information communication unit 28 acquires information on all channels corresponding to television broadcast signals receivable by the tuner 22 in accordance with a control signal input from the microcomputer 29, for example, and performs remote control communication of the acquired channel information. It transmits to the part 32.

  The microcomputer 29 includes, for example, a CPU 29a, a RAM 29b, a ROM 29c, and the like, and controls the operation of the liquid crystal television device 10. For example, the microcomputer 29 controls sound quality adjustment, channel switching, volume up / down, and the like based on the control command received by the channel information communication unit 28.

  The CPU 29a performs various control operations in accordance with various processing programs for the liquid crystal television device 10 stored in the ROM 29c.

  The RAM 29b includes a program storage area for developing a processing program executed by the CPU 29a, a data storage area for storing input data, a processing result generated when the processing program is executed, and the like.

  The ROM 29c is a system program that can be executed by the liquid crystal television device 10, various processing programs that can be executed by the system program, data that is used when these various processing programs are executed, and various results that are arithmetically processed by the CPU 29a. Memorize etc. The program is stored in the ROM 29c in the form of a computer readable program code.

  The power supply circuit 30 is a partial resonance power supply circuit, for example, which converts commercial AC power into a plurality of types of predetermined voltages and outputs an operating power supply voltage to each part of the liquid crystal television device 10.

  The storage unit 31 is configured by a nonvolatile semiconductor memory such as an EEPROM, for example, and stores the channel information acquired by the channel information communication unit 28.

  The remote control communication unit 32 transmits various signals according to user operations to the channel information communication unit 28 in accordance with, for example, a control signal input from the control unit 33. Further, the remote control communication unit 32 receives the channel information transmitted from the channel information communication unit 28, for example, and outputs the channel information to the control unit 33.

  The various signals and channel information are transmitted using, for example, infrared rays or radio waves. In particular, when channel information is transmitted from the channel information communication unit 28 using radio waves, there is an advantage that transmission is possible even if the remote control device 12 is hidden from the channel information communication unit 28 side.

  The control unit 33 outputs a command to display all receivable channels to the display / operation unit 35 based on channel information input from the remote control communication unit 32, for example. In addition, the control unit 33 outputs a control command for transmitting various signals to the channel information communication unit 28 to the remote control communication unit 32 in accordance with a user operation on the display / operation unit 35.

  The memory 34 stores channel information input from the remote control communication unit 32, for example. As shown in FIG. 3, the display / operation unit 35 includes various operation keys 37 and a liquid crystal display unit 38 on the remote control device 12. The operation keys 37 are a power key 37a for turning on / off the power of the television main body 11, a menu key 37b for displaying a menu screen for various settings on the liquid crystal display unit 38, and a volume adjustment of the television main body 11. And four direction keys 37c for moving the cursor on the menu screen, and a determination key 37d for determining the setting on the menu screen.

  The liquid crystal display unit 38 is composed of, for example, a touch button type liquid crystal panel, and displays all receivable channels 39 in accordance with a control signal input from the control unit 33, for example. In FIG. 3, 12 types of channels 39 can be displayed at one time. When all receivable channels 39 exceed 12 types, all channels 39 can be displayed by scrolling with the direction key 37c.

  In the television receiver 20 configured as described above, all receivable channels 39 based on the channel information acquired by the channel information communication unit 28 are displayed on the remote controller 12. However, some channels are broadcast only for a predetermined time during the day, while other channels are broadcast only for a predetermined time at night. Then, since the broadcast channel changes depending on the time zone, all the currently broadcast channels 39 may not be accurately displayed on the remote control device 12.

  Therefore, the channel information communication unit 28 acquires information on all channels corresponding to television broadcast signals that can be received every predetermined time, and transmits the acquired new channel information to the remote control communication unit 32. In addition, the storage unit 31 stores channel information together with time information, for example, and when new channel information is acquired by the channel information communication unit 28, channel information is added every time a predetermined number is acquired. When the predetermined number is exceeded, the oldest channel information is rewritten with new channel information. The remote control device displays all receivable channels 39 based on the new channel information. As a result, it is possible to cope with changes in the broadcast channel depending on the time zone.

  Further, the channel information communication unit 28 acquires the acquired new channel information only when the new channel information acquired every predetermined time is changed in comparison with the channel information at the previous acquisition stored in the storage unit 31. Channel information may be transmitted to the remote control communication unit 32. By doing so, the number of times channel information is transmitted and received in the channel information communication unit 28 and the remote control device 12 is suppressed.

  Further, the remote control device 12 may be configured such that unnecessary channels can be deleted from all channels 39 displayed on the remote control device 12 by the operation of the remote control device 12 by the user. For example, a submenu for deleting unnecessary channels and all channels 39 are displayed on the liquid crystal display unit 38, and the touch-operated channel is deleted from all channels 39.

  If there is a channel deleted by the user's operation, the deleted unnecessary channel is automatically selected from all receivable channels based on the new channel information acquired by the channel information communication unit 28. It may be deleted. For example, the remote control device 12 transmits the deleted unnecessary channel information to the channel information communication unit 28. The channel information communication unit 28 transmits newer channel information to the remote control device 12 by removing the deleted unnecessary channel from the newly acquired channel information based on the transmitted unnecessary channel information. To do. Thus, even if new channel information is transmitted to the remote control device 12, the deleted unnecessary channel is not displayed on the remote control device 12. Further, the remote controller 12 can display all receivable channels 39 except unnecessary channels only by displaying based on newer channel information.

  Further, the remote control device 12 may be configured to be able to display channels based on the channel information stored in the storage unit 31. For example, the remote control device 12 acquires past channel information stored in the storage unit 31 via the channel information communication unit 28 and displays all channels based on the past channel information. This makes it possible to display channels that could not be received at the present time but could be received in the past.

  At this time, based on the latest channel information acquired by the channel information communication unit 28 and the past channel information stored in the storage unit 31, the remote control device 12 selects a channel that can be received in the past and that cannot be received currently. You may display so that it can distinguish from the channel which can be received now. For example, as shown in the channels 39a and 39b in FIG. 3, the current receivable channel surrounded by a solid line can be clearly defined by surrounding it with a broken line as an indication of a channel that has been received in the past and cannot be received at present. Are displayed in a distinguishable manner. As a result, the currently receivable channels can be displayed, and the channels that cannot be currently received but have been receivable in the past can be displayed so as to be distinguishable from the currently receivable channels.

(3) Specific Control Related to Channel Display Specific control related to channel display in the present invention will be described below.

  FIG. 4 is a flowchart showing a specific control operation related to channel display of the television receiver 20, which is repeatedly executed at a predetermined cycle. In FIG. 4, first, in step S10, it is determined whether or not a predetermined time has elapsed since the previous channel information was acquired. If the determination in step S10 is negative, the routine is terminated. If the determination is affirmative, new channel information is acquired in step S20.

  Next, in step S30, the new channel information acquired in step S20 is stored. Next, in step S40, the channel information at the previous acquisition is compared with the new channel information acquired at step S20, and it is determined whether the new channel information is different from the channel information at the previous acquisition. .

  If the new channel information and the channel information at the previous acquisition are the same and the determination in step S40 is negative, this routine is terminated. On the other hand, if the new channel information is different from the channel information at the time of previous acquisition and the determination in step S40 is affirmed, the new channel information acquired in step S20 is transmitted to the remote control device 12 in step S50. Is done.

  Next, in step S60, all the currently receivable channels 39 based on the new channel information transmitted in step S50 are displayed on the liquid crystal display unit 38. Next, in step S70, it is determined whether or not a desired channel has been selected by a touch operation of the liquid crystal display unit 38 by the user. If the determination in step S70 is negative, this routine is terminated. If the determination is positive, in step S80, it is determined whether the power source of the television main body 11 is in a standby state.

  If the determination in step S80 is negative, in step 90, the desired channel selected in step S70 is displayed on the television main body 11. On the other hand, if the determination in step S80 is affirmative, in step 100, the power of the television main body 11 is turned on, and the desired channel selected and operated in S70 is displayed on the television main body 11. The The history information of the desired channel selected and operated in S70 is stored in the storage units 31 to 34, and all the channels 39 that can be currently received are displayed in a list on the liquid crystal display unit 38 based on the history information. Anyway. For example, the images are displayed on the liquid crystal display unit 38 in descending order of selection frequency. At this time, a normal list display and a list display based on the history information may be switched by a key operation on the display / operation unit 35 or the like.

  Thus, when the user selects and operates a desired channel on the remote controller 12 when the power of the liquid crystal television device 10 is in the standby state, the power of the liquid crystal television device 10 is turned on and the selection is performed. Since the operated channels are displayed on the liquid crystal television device 10, all the channels 39 currently broadcast are accurately displayed on the remote control device 12 even when the power source of the liquid crystal television device 10 is in the standby state, and the liquid crystal A desired channel can be selected and displayed on the liquid crystal television device 10 without turning on the power of the television device 10.

(4) Summary As described above, according to the present embodiment, it is possible to cope with the change of the broadcast channel depending on the time zone. It is displayed accurately.

  In addition, according to the present embodiment, the number of times channel information is transmitted and received in the channel information communication unit 28 and the remote control device 12 is suppressed, so that power consumption is suppressed.

  Further, according to the present embodiment, even if new channel information is transmitted to the remote control device 12, the deleted unnecessary channels are not displayed on the remote control device 12, so that new channel information is transmitted to the remote control device 12. It is not necessary for the user to delete unnecessary channels each time, and the burden on the user is reduced.

  Further, according to the present embodiment, the remote controller 12 can display all receivable channels 39 except unnecessary channels only by displaying based on newer channel information. As a result, power consumption is reduced.

  Further, according to the present embodiment, since it is possible to display channels that could not be received at the present time but were able to be received in the past, it is possible to check the channels that were able to be received in the past but are not currently received. .

  In addition, according to the present embodiment, the currently receivable channels can be displayed, and the channels that could not be currently received but were receivable in the past can be displayed so as to be distinguishable from the currently receivable channels. In addition to being able to confirm receivable channels, it is possible to clearly confirm channels that have been receivable in the past but are not currently receivable.

  Further, according to the present embodiment, since all the receivable channels 39 are scrollably displayed on the touch button type liquid crystal display unit 38 in the remote control device 12, it is possible to confirm all the receivable channels at all. Can do. Further, even if the power source of the liquid crystal television device 10 is in the standby state, all the currently broadcast channels 39 are accurately displayed on the remote control device 12, so that the liquid crystal television device 10 is turned on to watch the screen. Even if not, all the receivable channels 39 can be confirmed simply by looking at the remote control device 12. Further, since a desired channel can be selected and displayed on the liquid crystal television device 10 without turning on the power source of the liquid crystal television device 10, the channel of the program to be viewed is searched for on the television screen. You can see the desired channel right away.

  As mentioned above, although the Example of this invention was described in detail based on drawing, what was mentioned above is one embodiment to the last, and this invention is implemented in the aspect which added various change and improvement based on the knowledge of those skilled in the art. can do.

It is a perspective view which shows an example of the liquid crystal television apparatus provided with the television receiver with which this invention is applied. It is a block block diagram of a television receiver. It is the schematic which shows the various operation keys with which a remote control device is equipped, and a liquid crystal display part. It is the flowchart which showed the specific control action regarding the channel display which a television receiver has.

Explanation of symbols

10: Liquid crystal television device (flat-screen television device)
12: Remote controller 20: Television receiver 22: Tuner (receiver)
28: Channel information communication unit 31: Storage unit 38: Liquid crystal display unit

Claims (7)

A receiver for receiving a television broadcast signal;
A remote control device operated by a user to select one channel from the television broadcast signal;
A channel information communication unit that acquires information of all channels corresponding to television broadcast signals receivable by the receiving unit, and transmits the acquired channel information to the remote control device;
In a television receiver in which all receivable channels based on the channel information are displayed on the remote control device,
The channel information communication unit
It acquires information on all channels that can be received at predetermined time intervals, and transmits the acquired new channel information to the remote control device.
The remote control device is
A television receiver which displays all receivable channels based on the new channel information.   The channel information communication unit transmits the acquired new channel information to the remote control device only when the acquired new channel information is changed from the channel information at the time of previous acquisition. The television receiver according to 1. Unnecessary channels can be deleted from all channels displayed on the remote control device by the user operating the remote control device.
When there is a channel deleted by an operation by the user, the deleted unnecessary channel is automatically deleted from all receivable channels based on the acquired new channel information. The television receiver according to claim 2. Information of the deleted unnecessary channel is transmitted to the channel information communication unit,
The channel information communication unit transmits newer channel information obtained by removing the deleted unnecessary channel from the acquired new channel information to the remote control device based on the transmitted unnecessary channel information. The television receiver according to claim 3, wherein: A storage unit for storing channel information acquired by the channel information communication unit;
5. The television receiver according to claim 1, wherein the remote control device is capable of displaying a channel based on channel information stored in the storage unit.   Based on the latest channel information and past channel information stored in the storage unit, the remote control device displays a channel that can be received in the past and that cannot be received at present so that the channel can be distinguished from the currently receivable channel. The television receiver according to claim 5. It is provided in a thin television device capable of receiving digital broadcasting,
The remote control device is
All the receivable channels are scrollably displayed on the touch button type liquid crystal display, and a desired channel is selected by the user.
When a channel is selected and operated by a user in the remote control device when the power source of the thin television device is in a standby state, the power source of the thin television device is turned on, and the selected channel is The television receiver according to claim 1, wherein the television receiver is displayed on a thin television device.

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