JP2001103442A - Channel selection device, channel selection system and television receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a television receiver that receives digital television broadcast to easily select a program, whose broadcast time zone is in matching with a predetermined temporal reference. SOLUTION: A channel selection system 1 consists of a television receiver 11 and a channel selection device 12 connected to the television receiver 11. A tuner 124 receives data with respect to a broadcast schedule of programs, included in a digital broadcast program received by an antenna 4 and stores the data to a storage device 123. Then a reception changeover controller 122 retrieves a program, in matching with a condition entered by a remote commander 52 from the data and the television receiver 11 outputs the retrieved program.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver for receiving a broadcast wave of a program and outputting images and sounds, and more particularly, to a program output by the television receiver based on predetermined conditions. The present invention relates to a channel selection device, a channel selection system, and a television receiver having the function of the channel selection system for automatically switching.

[0002]

2. Description of the Related Art Recently, a communication satellite (Communications Satellite) has been developed.
lite), and digital broadcasting technology has been adopted in television broadcasting in place of analog broadcasting technology that has been mainly used until now. Also, in terrestrial broadcasting, it is easily assumed that digital broadcasting will be adopted in the future.

[0003] Since digital broadcasting can transmit more information than conventional methods, for example, it broadcasts a very large number of programs, information indicating a genre of a program being broadcast, information indicating a scheduled broadcast of a program, and the like. , Information other than programs can also be transmitted.

[0004] However, there has been a concern that it may be difficult for a user to select his or her desired program because the number of channels and programs to be broadcasted is rapidly increasing. Therefore, various proposals have been made to utilize the information other than the above-mentioned programs to assist the user in selecting a program.

For example, Japanese Patent Application Laid-Open No. 7-15677 discloses that a channel selected by a user and the number of selected channels are stored as a channel selection history of the user, and the user newly selects a channel. A device is disclosed which, when performing, preferentially guides a channel whose frequency has been selected so far. Japanese Patent Laid-Open Publication No. Hei 10-136276 discloses a channel selection device provided with an input key for designating a genre of a program to be selected.

[0006] Further, Japanese Patent Application Laid-Open No. H11-122548 discloses that information indicating a genre of a broadcasted program is acquired,
An apparatus is disclosed which stores a list of programs frequently watched by a user and, when the user tries to search for a program, preferentially guides the user to a program of the same genre as the program in the stored list. I have. That is, when selecting a program, a program of a genre that has been frequently viewed until now is guided. Japanese Patent Laid-Open Publication No. Hei 10-42235 discloses that information about a program broadcasted based on information set in advance by a user, such as performers and program names, is obtained and searched, and a program suitable for the user is obtained. A device for displaying a list of names is disclosed.

[0007]

In the above conventional proposal,
To help users select programs,
It was based on the genre preferred by the user among the mainly broadcast programs. That is, although a program suitable for the user's preference can be searched, no proposal has been made for selecting a program suitable for the user's convenience.

An object of the present invention is to enable a television receiver for receiving digital television broadcasts to easily select a program that conforms to a predetermined time reference such as a broadcasting time zone.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a channel selecting apparatus according to the first aspect of the present invention provides a broadcast schedule data receiving means (broadcast data receiving means) for receiving data indicating a broadcast schedule of a program to be broadcast by digital broadcasting. For example, the tuner 12 shown in FIG.
4), a broadcast schedule storage unit (for example, the storage device 123 shown in FIG. 1) for storing data received by the broadcast schedule data receiving unit, and an input unit (for example, FIG. 1) for inputting an arbitrary time condition. And a program matching the time condition input by the input means,
Search means for searching by referring to the data stored in the broadcast schedule storage means (for example, the reception switching control device 122 shown in FIG. 1), and output means for outputting the search result by this search means (for example, FIG. Shown reception switching control device 122)
And characterized in that:

According to the first aspect of the present invention, data indicating a broadcast schedule of a program to be broadcast by digital broadcasting is received by the broadcast schedule data receiving unit, and the received data is stored in the broadcast schedule storage unit. An arbitrary time condition is input by the input means, and a program matching the input time condition is searched by the search means with reference to the data stored in the broadcast schedule storage means. The result is output by the output means.

Therefore, data indicating a broadcast schedule of a program to be broadcast by digital broadcasting is received and stored in advance, and a program matching the time condition input by the input means is searched, and the search result is output. Therefore, a suitable program can be easily searched from a large number of programs on the basis of time conditions. For this reason, it is possible to easily find a program that suits the user's time. In particular, since a large number of channels and the number of programs are expected in digital television broadcasting, it is possible to provide a very convenient channel selection device when selecting a program.

The invention according to claim 2 is the invention according to claim 1.
In the above-described channel selection device, the digital broadcast is connected to a television receiver (11) that outputs video and audio of a predetermined channel, and a program searched by the search unit is received by the television receiver. It is characterized by further including a control means (for example, the reception switching control device 122 shown in FIG. 1).

As described above, according to the second aspect of the present invention, the digital broadcast receiver is connected to the television receiver which outputs the video and audio of the predetermined channel and is searched by the search means by the control means. The program is received by the television receiver.

Therefore, in addition to the effect of the first aspect of the present invention, by connecting to a television receiver, the searched program can be output by the television receiver, and a more convenient channel selection device. Can be provided.

According to a third aspect of the present invention, in the channel selection apparatus of the first aspect, when a predetermined video signal and an audio signal are input, the video and audio are converted based on the video signal and the audio signal. It is connected to an output device for outputting (for example, the monitor 21 shown in FIG. 2), receives the program searched by the search means, and outputs a video signal and an audio signal for outputting video and audio of the program. Receiving means (for example, a tuner 225 shown in FIG. 2) and signal output means for outputting a video signal and an audio signal output from the receiving means to the output device (for example, a video / audio control device 223 shown in FIG. 2) ) Is further provided.

According to the third aspect of the present invention, in the channel selecting apparatus according to the first aspect, when a predetermined video signal and an audio signal are input, the video is selected based on the video signal and the audio signal. And a video signal and an audio signal for outputting the video and audio of the program by receiving the program searched by the searching means and receiving the program searched by the searching means, and outputting the output video. The signal and the audio signal are output to the output device by the signal output means.

Accordingly, in addition to the effect of the first aspect of the present invention, the program is connected to an output device that performs display output and audio output based on the input signal, and causes the output device to output the searched program. That is, it can be easily realized by connecting the channel selection device according to the present invention to an output device such as a television receiver without a tuner for digital broadcasting or a device used as a monitor. , More convenient.

According to a fourth aspect of the present invention, there is provided a television receiver (11) for receiving a digital broadcast and outputting video and audio broadcast on a predetermined channel, and specifies a program to be received by the television receiver. In a tuning system (1) including a tuning device (12), the tuning device includes a broadcast schedule data receiving unit (for example, a broadcast schedule data receiving unit that receives data indicating a broadcast schedule of a program to be broadcast in the digital broadcast).
A tuner 124 shown in FIG. 1, a broadcast schedule storage unit (for example, the storage device 123 shown in FIG. 1) for storing data received by the broadcast schedule data receiving unit, and an input unit for inputting an arbitrary time condition (For example, the remote controller 52 shown in FIG. 1) and search means (for example, FIG. 1) for searching for a program matching the time condition input by the input means with reference to the data stored in the broadcast schedule storage means. 1 and a control means for causing the television receiver to receive the program searched by the search means (for example, the reception switching control apparatus 12 shown in FIG. 1).
2).

According to the fourth aspect of the present invention, there is provided a television receiver for receiving a digital broadcast and outputting a video and an audio broadcast on a predetermined channel, and selecting a program for designating a program received by the television receiver. In the channel selection system, the channel selection device receives data indicating a broadcast schedule of a program to be broadcast in digital broadcasting by the broadcast schedule data receiving unit, and stores the received data in the broadcast schedule storage unit. And inputting any time condition by the input means, and selecting a program that matches the input time condition,
The search unit searches for data with reference to the data stored in the broadcast schedule storage unit, and the searched program is received by the television receiver by the control unit.

Therefore, data indicating a broadcast schedule of a program to be broadcast in digital broadcasting is received and stored in advance, and a program matching the time condition input by the input means is searched, and the search result is output. Therefore, a suitable program can be easily searched from a large number of programs on the basis of time conditions. In addition, since the searched program is output by the television receiver as it is, it is possible to easily select a program to be watched, watch and enjoy it according to the time convenience of the user. In particular, since a large number of channels and programs are expected in digital television broadcasting, data relating to a broadcast schedule is stored in advance, and a search is performed based on the data, thereby providing a highly convenient channel selection system. it can.

According to a fifth aspect of the present invention, when a predetermined video signal and audio signal are input, an output device (for example, an output device for outputting video and audio based on the video signal and audio signal)
In a channel selection system (2) including a monitor 21) shown in FIG. 2 and a channel selection device (22) for outputting a video signal and an audio signal to the output device, the channel selection device includes: Broadcast schedule data receiving means for receiving data indicating a broadcast schedule of a program to be broadcast (for example,
A tuner 225 shown in FIG. 2), a broadcast schedule storage unit (for example, the storage device 224 shown in FIG. 2) for storing data received by the broadcast schedule data receiving unit, and an input unit for inputting an arbitrary time condition (For example, the remote controller 54 shown in FIG. 2) and search means (for example, FIG. 3) for searching for a program that matches the time condition input by the input means with reference to the data stored in the broadcast schedule storage means. 2 and a receiving means (e.g., FIG. 2) for receiving a program searched by the searching means and outputting a video signal and an audio signal for outputting video and audio of the program. And a signal output unit (for example, a video / audio control unit shown in FIG. 2) for outputting a video signal and an audio signal output from the receiving unit to the output device. And 223), and further comprising a.

According to the fifth aspect of the present invention, when a predetermined video signal and audio signal are input, an output device for outputting video and audio based on the video signal and audio signal,
A channel selecting device that outputs a video signal and an audio signal to the output device. In the channel selecting system, the channel selecting device receives broadcast schedule data to receive data indicating a broadcast schedule of a program to be broadcast by digital broadcasting. Receiving the data, storing the received data in the broadcast schedule storage means, inputting an arbitrary time condition by the input means, and searching for the program meeting the input time condition by the search means by the broadcast schedule storage means. A search is performed with reference to the data stored in the storage unit, and the searched program is received by the receiving unit, and a video signal and an audio signal for outputting video and audio of the program are output. The audio signal is output to an output device by a signal output unit.

Therefore, data indicating a broadcast schedule of a program to be broadcast by digital broadcasting is received and stored in advance, and a program matching the time condition input by the input means is searched, and the search result is output. Therefore, a suitable program can be easily searched from a large number of programs on the basis of time conditions. In addition, the searched program is output as it is in a device used as a monitor without a tuner or an output device such as a television receiver without a tuner for digital broadcasting. The user can easily select, watch, and enjoy the program according to the user's time. Further, the tuning system of the present invention can be easily realized by using the above output device.

According to a sixth aspect of the present invention, there is provided a display device (eg, a display control circuit 305 shown in FIG. 3) for receiving a digital broadcast and outputting an image of a program broadcast on a predetermined channel.
And a monitor display 307) and an audio output device (e.g., the audio control circuit 306 and the speaker 308 shown in FIG. 3) for outputting audio of the program. Broadcast schedule data receiving means (for example, tuner 304 shown in FIG. 3) for receiving data indicating a broadcast schedule of a program to be broadcasted;
Broadcast schedule storage means (for example, storage device 312 shown in FIG. 3) for storing data received by the broadcast schedule data receiving means, and input means (for example, remote controller 55 shown in FIG. 3) for inputting arbitrary time conditions ) And search means for searching for a program matching the time condition input by the input means with reference to the data stored in the broadcast schedule storage means (for example, the reception switching control device 31 shown in FIG. 3).
1) and control means for receiving the program searched by the search means and outputting the video and audio of the program by the display device and the sound output device (for example, FIG.
And a reception switching control device 311) shown in FIG.

According to the sixth aspect of the present invention, there is provided a display device for receiving a digital broadcast and outputting a video of a program broadcast on a predetermined channel, and an audio output device for outputting audio of the program. In the television receiver, data indicating a broadcast schedule of a program to be broadcast in digital broadcasting is received by the broadcast schedule data receiving unit, the received data is stored in the broadcast schedule storage unit, and an arbitrary time condition is input by the input unit. The search means searches the program stored in the broadcast schedule storage means for a program that matches the input time condition, and receives the searched program by the control means. Video and audio are output by the display device and the audio output device.

Therefore, the television receiver is provided with the receiving means for receiving the data indicating the broadcast schedule, the broadcast schedule storage means for storing the data, the search means, and the control means. The machine is almost the same and can be easily realized. Then, data indicating a broadcast schedule of a program to be broadcast by digital broadcasting is received and stored in advance, and a program that matches the temporal condition input by the input means is searched, and the search result is output. On the basis of time conditions, a suitable program can be easily searched from a large number of programs. In addition, since the searched program is output by the display device as a television receiver, the user can easily select the program according to the time convenience of the user, enjoy the program, and enjoy the program.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. [First Embodiment] First, FIG. 1 is a block diagram showing a configuration of a tuning system 1 according to a first embodiment of the present invention. As shown in FIG. It is composed of an antenna 4, a television receiver 11, a tuning device 12, and remote controllers 51 and 52.

In this tuning system 1, the antenna 4 may be an antenna for receiving digital broadcast radio waves mainly from satellite broadcasts. However, the antenna 4 receives digital broadcast radio waves broadcasted on a cable by CATV (cable television). Or an antenna for receiving terrestrial digital broadcast radio waves. Also, since a great deal of information can be distributed in digital broadcasting, here, it is assumed that data of a program to be broadcast on each channel is broadcast together with data such as video and audio of the program.

The television receiver 11 in the tuning system 1
Is a television that broadcasts a program being broadcast on a channel that can be received by the antenna 4. The channel selection device 12 is a device that selects a program that meets a user's desired condition based on data to be transmitted together with the program in a digital broadcast received by the antenna 4.

The television receiver 11 is a digital television receiver. As shown in FIG. 3, a control device 111, a remote control light receiving circuit 112, a power supply circuit 113, a tuner 11
4. A display control circuit 115, an audio control circuit 116, a monitor display 117, and a speaker 118 are built therein.

The remote control 51 is a device for transmitting a signal to a remote control light receiving circuit 112 included in the television receiver 11 to remotely control the television receiver 11. It provides various keys for performing various instructions such as switching of the volume and adjusting the volume, generates a pressing signal corresponding to the pressed key, and transmits the signal to the remote control light receiving circuit 112.

The remote controller 52 is, like the remote controller 51,
A device for transmitting a signal to a remote control light receiving circuit 121 included in the tuning device 12 to remotely control the tuning device 12, and a key for designating a desired time and time of the user to the tuning device 12. Etc. are provided.

The remote controllers 51 and 52 are LE
D and an infrared transmitting means having an encoder,
When transmitting the above pressing signal, the signal is transmitted using the infrared communication means.

The control device 111 controls each part of the television receiver 11 by executing a predetermined control program.

Specifically, when the remote controller 51 is operated and a signal indicating the content of the operation is input from the remote control light receiving circuit 112 to the control device 111, the control device 111 performs an operation based on the content of the operation on the remote control 51. For example, when a channel to be broadcast on the television receiver 11 is specified, the control device 111 controls the tuner 114 to receive a broadcast of the specified channel. Then, when the data of the broadcast content of the designated channel is input from the tuner 114, video data and audio data are generated from the data, and the video data is output to the display control circuit 115 and the video is displayed on the monitor display 117. Is displayed, and the audio data is output to the audio control circuit 116 so that the audio is output from the speaker 118.

When an operation for instructing an increase or decrease in volume is performed on the remote controller 51, the control device 111 generates and outputs a signal for controlling the audio control circuit 116, and the audio control circuit 116 The volume output from the speaker 118 is adjusted by increasing or decreasing the gain of the built-in amplifier.

Further, when a control signal instructing that a predetermined program name is to be displayed in a list is input from the reception switching control device 122, the control device 111 displays a display screen based on the control signal on the monitor display 117. Display.

When a channel to be received and broadcast is designated by the reception switching control device 122 of the channel selection device 12, the data of the broadcast contents of the channel is extracted by the tuner 114 and the monitor display 117 is displayed. And the speaker 118 outputs the video and audio.

The remote control light receiving circuit 112 includes a circuit for receiving and decoding an infrared signal, and receives and decodes the infrared signal transmitted from the remote controller 51 to detect the operation content of the remote controller 51 and to determine the operation content. The output signal is output to the control device 111. In addition, remote control 5
When the power off of the television receiver 11 is instructed by the operation of the remote control 1, the remote control light receiving circuit 112
13 to stop power supply to each part of the television receiver 11 except the remote control light receiving circuit 112. here,
When the remote controller 51 is operated again and the power ON of the television receiver 11 is instructed, this instruction is transmitted to the remote control light receiving circuit 11
2 and power is supplied from the power supply circuit 113 to each part of the television receiver 11.

The power supply circuit 113 is connected to a household AC power supply, a cigarette lighter socket provided in an automobile, and the like.
Power is supplied to each part of the television receiver 11. Power supply circuit 1
Reference numeral 13 denotes a remote control light receiving circuit 11 when the power supply of the television receiver 11 is instructed by the operation of the remote control 51.
The power supply to each unit except the remote control light receiving circuit 112 is stopped in accordance with the control by (2). The power supply circuit 113
May be configured to supply power to each unit of the channel selection device 12 from.

The tuner 114 performs various processes such as tuning, demodulation, separation, and decoding on the radio wave of the digital broadcast received by the antenna 4, and further, according to the control of the control device 111, broadcast contents of a predetermined channel. Extract data. The broadcast received by the tuner 114 is transmitted after being subjected to processing such as modulation, multiplexing, and encoding on the broadcast station side. For this reason, the tuner 114 divides the control device 1 from the received broadcast wave.
In step 11, data that can be processed is generated.

The display control circuit 115 incorporates a D / A converter, a video amplification circuit, and the like, and controls the driving of the monitor display 117 based on the video data input from the control device 111, so that the display control circuit 115 Display the video.

The audio control circuit 116 has a built-in D / A converter and an amplifier, and outputs audio from a speaker 118 based on audio data input from the control device 111.

The monitor display 117 includes a cathode ray tube, an LCD (liquid crystal display), a plasma display,
Alternatively, a display screen such as a liquid crystal projector provided with the screen is provided, and an image is displayed according to drive control by the display control circuit 115. Also, the speaker 118
Is a speaker built in the main body of the television receiver 11 or connected to the outside, and outputs sound under the drive control of the sound control circuit 116.

The tuning unit 12 includes a remote control light receiving circuit 12
1, a reception switching control device 122, a storage device 123, and a tuner 124. Although not shown, the tuning device 12 may have a built-in battery and operate using the battery as a power source. Alternatively, the tuning device 12 may be powered by an external power source (not shown) such as a home AC power source. It may be configured to operate.

The remote control light receiving circuit 121 includes a circuit for receiving and decoding an infrared signal similarly to the remote control light receiving circuit 112 of the television receiver 11, and receives a signal transmitted from the remote control 52 to operate the remote control 52. Is detected, a signal indicating the content of the operation is generated, and output to the reception switching control device 122.

When the data to be broadcast included in the digital broadcast wave received by the antenna 4 is input from the tuner 124, the reception switching control device 122 stores the data in the storage device 123.

When the time and time desired by the user are designated by operating the remote controller 52, the reception switching control device 122 reads out data relating to the broadcast schedule of the program from the storage device 123 and inputs the data with the remote controller 52. Search for a program that matches the instruction.

When a program to be broadcast is selected from the searched programs by operating the remote controller 52,
A signal indicating a channel on which the program is broadcast is output to control device 111, and the program is broadcast by television set 11.

The storage device 123 includes a semiconductor storage device such as a flash memory or various recording media such as a magnetic or optical recording medium, and is fixed to the reception switching control device 122 or detachably connected thereto. . The digital broadcast radio wave received by the antenna 4 includes data on the broadcast schedule together with data on the contents of the program. The data on the broadcast schedule is input from the tuner 124 to the reception switching control device 122, and the data is transmitted to the reception switching control device 1
22 is stored in the storage device 123.

The tuner 124 performs various processes such as tuning, demodulation, separation, and decoding on the radio wave of the digital broadcast received by the antenna 4, and further relates to the broadcast schedule of the program among the data obtained by these various processes. The data is extracted and output to the reception switching control device 122.

The operation of the tuning system 1 configured as described above will be described.

First, the television receiver 11 and the channel selection device 1
In a state where the power supply of the power supply 2 is ON, that is, in a normal use state, the user operates the remote controller 51 to switch the reception channel and the sound volume.

In such a normal use state, data on a broadcast schedule is broadcast at regular intervals. Therefore, from the data received by the antenna 4, data relating to the broadcast schedule of the program is extracted by the reception switching control device 122 and stored in the storage device 123 each time. As a result, the data on the broadcast schedule stored in the storage device 123 is updated every time a predetermined time elapses.

Here, for example, “from 1:30 pm to 3
When the time and time desired by the user are designated by the remote controller 52 as in "0 minute", the reception switching control device 122 of the channel selection device 12 refers to the information on the program broadcast schedule stored in the storage device 123. Then, the corresponding program is searched. In the above example, from 1:30 pm to 2 pm
The program is broadcast during the hour, and a search is made for a program that ends broadcasting at 2:00 pm.

Here, the method of specifying the time and the time by the remote controller 51 is, for example, “1:30 pm to 2 pm
The time may be specified, or the method may be specified as "13: 30-14: 00". Of course, another method may be used. Further, according to the instruction from the remote controller 52, only the desired broadcast start time, broadcast time zone, or broadcast end time may be specified.

As a result of the search, when there are a plurality of corresponding programs, the names of the plurality of programs are displayed in a list on the monitor display 117, and the user waits for an instruction input.
If the search finds that there is only one program, the program name may be displayed on the monitor display 117 as in the above case, or the program may be immediately displayed on the television receiver. 11 may be broadcast.

When a desired program is selected by an input instruction from the remote controller 51 or the remote controller 52 while the program name is displayed on the monitor display 117, the selected program is broadcast by the television receiver 11.

As described above, according to the channel selection system 1 in the first embodiment of the present invention, the digital broadcast radio wave received by the antenna 4 is demodulated, separated, and decoded by the tuner 114, and the data of the broadcast content is obtained. Produces
On the basis of the generated data, the monitor display 117 and the speaker 1
The digital broadcast wave received by the antenna 4 is demodulated, separated and decoded by the tuner 124, and the data relating to the broadcast schedule of the program is obtained from the obtained data. And a tuning device 12 for extracting the extracted data and storing the extracted data in the storage device 123.
When a time and a time convenient for the user are designated by the reception switching control device 122, the storage device 1
23, with reference to the broadcast schedule data of the program stored in
Search for a program that matches the specified time and time.
When there are a plurality of search results, the reception switching control device 122 outputs a signal for displaying a list of the search results to the control device 111 and causes the monitor display 117 to display the search results in a list. If there is only one search result, a signal for broadcasting the searched program is generated and output to the control device 111, and the program is broadcast by the television receiver 11.

That is, based on the data to be broadcast, a program matching the time and time conditions specified by the user is searched, and the search result is displayed on the monitor display 117, or the searched program is displayed on a television receiver. Broadcast by the machine 11. Therefore, it is possible to search for a program suitable for the user's time, so that, for example, it is possible to select a program for the purpose of distracting free time or to select only a program of a desired length. In addition, the user does not feel dissatisfied or uncomfortable as in the case of broadcasting a program that is broadcasted until a time when the user is inconvenienced. As a result, the user can watch the program more easily without worrying about the time.

Further, since the tuning system 1 is configured by connecting the tuning device 12 to a TV set 11 functioning as a normal TV set, it can be easily realized using a conventional TV set. It is. Further, for example, if the channel selection device 12 is incorporated in a device for making a television receiver that receives an analog broadcast compatible with a digital broadcast, it can be easily realized at a lower cost.

In the tuning system 1 according to the first embodiment, the user instructs the time condition with the remote controller 52 and searches for a program based on the instructed time and time. However, the present invention is not limited to this. For example, when a large number of programs are found as a result of a search, only programs of a user-desired genre are extracted, or in advance, A configuration may be adopted in which a program that matches the genre and that matches the user's time is searched.

In the first embodiment, the remote controllers 51 and 52 are connected to the television receiver 1 by infrared communication.
1 and the tuning device 12 are controlled, but communication between the television receiver 11 and the tuning device 12 using radio waves may be performed. Further, the remote controller 51 and the remote controller 52 are configured separately from each other, but the present invention is not limited to this, and the remote controllers 51 and 52 may be configured integrally.

Further, in the first embodiment,
Even if there is only one search result, the search result may be displayed on the monitor display 117, or a predetermined program may be operated by operating the remote controllers 51 and 52 while the search result is displayed in a list on the monitor display 117. Is selected, the program may be broadcast by the television receiver 11.

[Second Embodiment] Next, a second embodiment of the present invention will be described with reference to FIG.

FIG. 2 is a block diagram showing a configuration of the tuning system 2 according to the second embodiment of the present invention. FIG.
As shown in (1), the tuning system 2 includes an antenna 4, a monitor 21, a tuning device 22, and remote controllers 53 and 54. Note that the antenna 4 shown in FIG. 2 and the broadcast received by the antenna 4 are the same as those in the first embodiment, and thus the description is omitted here.

Here, the remote controller 53 is a device that controls the monitor 21 by transmitting a signal to the remote control light receiving circuit 211 of the monitor 21, and turns on / off the power of the monitor 21 and the image quality of the monitor display 216. There are provided various keys for performing various instructions such as adjustment of the volume of the speaker 217 and adjustment of the volume of the speaker 217. In addition, the remote controller 53 includes an infrared transmitting unit having an LED and an encoder, and transmits the pressing signal by using the infrared communicating unit.

The remote control 54 is, like the remote control 53,
An infrared transmission unit having an LED and an encoder is provided, and when transmitting various signals, the signals are transmitted using the infrared communication unit. The remote controller 54 has various keys for switching channels to be broadcast on the monitor 21 to the tuning device 22, adjusting the volume, and designating a desired time or time of the user, and these keys are pressed. At this time, the infrared communication means generates a press signal corresponding to the pressed key and transmits it to the remote control light receiving circuit 222.

The monitor 21 includes a remote control light receiving circuit 21
1, power supply circuit 212, input switching circuit 213, display control circuit 214, audio control circuit 215, monitor display 2
16 and a speaker 217,
It operates according to the operation in 3.

Remote control light receiving circuit 2 provided in monitor 21
Reference numeral 11 includes a circuit for receiving an infrared signal and decoding the received infrared signal, and operates based on a signal transmitted from the remote controller 53. For example, the remote control 53
When the power supply of the monitor 21 is instructed by the operation of the remote control light receiving circuit 2
The power supply to each part of the monitor 21 except for the part 11 is partially stopped, and when the power ON is instructed again, the power supply from the power supply circuit 212 to each part is restarted.

For example, when signals for adjusting the image quality of the monitor display 216 and adjusting the volume of the monitor display 216 are input by operating the remote controller 53, the signals indicating these instruction contents are displayed and controlled. The signal is output to the circuit 214 and the audio control circuit 215, and based on this signal, the display control circuit 214 changes the gain when the video signal is amplified, and the audio control circuit 215 changes the gain when the audio signal is amplified.

The power supply circuit 212 is connected to a household AC power supply, a cigarette lighter socket provided in an automobile, or the like, and supplies power to each part of the monitor 21. The power supply circuit 212 stops power supply to each unit except the remote control light receiving circuit 211 in accordance with a signal input from the remote control light receiving circuit 211 when the power supply of the monitor 21 is instructed. Thereafter, when an instruction to turn on the power of the monitor 21 is received by the remote control light receiving circuit 211, the power supply to each unit of the monitor 21 is restarted. The power supply circuit 212 may be configured to supply power to each unit of the tuning device 22.

The input switching circuit 213 outputs the video signal and the audio signal input from the tuning device 22 to the display control circuit 21.
4 and a circuit for transmission to the voice control circuit 215. Although not shown, the input switching circuit 213 includes a plurality of interfaces to which devices that output video signals and audio signals can be connected, and the input switching circuit 213 outputs signals from any of the connected devices. The input signal is input to the display control circuit 214 and the audio control circuit 215.

The display control circuit 214 incorporates a D / A converter, a video amplifier circuit, and the like, and controls the driving of the monitor display 216 based on the video signal input from the input switching circuit 213, and To display the video.

The audio control circuit 215 has a built-in D / A converter and an amplifier, and outputs audio from the speaker 217 based on the audio signal input from the input switching circuit 213.

Each of the display control circuit 214 and the audio control circuit 215 includes a D / A converter, and can cope with a case where the video signal and the audio signal input from the input switching circuit 213 are digital data. is there. However, when an analog signal is input from the input switching circuit 213, the display control circuit 214 and the audio control circuit 215
A configuration without the / A converter may be employed.

The monitor display 216 includes a cathode ray tube, an LCD (liquid crystal display), a plasma display,
Alternatively, a display screen such as a liquid crystal projector provided with the screen is provided, and an image is displayed according to drive control by the display control circuit 214. Also, the speaker 217
Is a speaker built in the main body of the monitor 21 or connected to the outside, and outputs sound according to the drive control of the sound control circuit 215.

As shown in FIG. 2, the channel selection device 22 includes a reception switching control device 221, a remote control light receiving circuit 222,
Voice control device 223, storage device 224, tuner 22
The tuner 225 is connected to the antenna 4.

The reception switching control device 221 includes the tuner 2
25, the digital broadcast wave received by the antenna 4 is demodulated, separated, and decoded to extract data of broadcast contents of a predetermined channel. And
When broadcast content data is input from the tuner 225, video data and audio data are extracted from the data and output to the video / audio control device 223. Further, the reception switching control device 221 includes the tuner 22.
5 is controlled so as to extract broadcast schedule data of the program from the broadcast waves received by the antenna 4 and store the data in the storage device 224.

When a signal indicating that a channel switching operation has been performed on the remote controller 54 is input from the remote control light receiving circuit 222, the reception switching control device 221 controls the tuner 225. Tuner 22
5 to extract the data of the broadcast content of the channel specified by 5, extract video data and audio data from this data, and output them to the video / audio control device 223.

When the user's desired time and time are indicated by the operation of the remote controller 54, the reception switching control device 221 refers to the data to be broadcast stored in the storage device 224 and is instructed. Search for a program that matches the specified time and time. Then, as a result of the search, when there are a plurality of corresponding programs, a signal for displaying a list of the plurality of program names on the monitor display 216 is generated and output to the video / audio control device 223. In addition, as a result of the search, when there is one corresponding program, the program is broadcast on the monitor display 216.

The remote control light receiving circuit 222 receives the instruction transmitted from the remote control 54, and
Is output to the reception switching control device 221. Since the signal from the remote controller 54 is transmitted, for example, by infrared rays, the remote control light receiving circuit 222
Has a built-in circuit for receiving an infrared signal and decoding the received infrared signal.

The video / audio control device 223 amplifies the video data and the audio data input from the reception switching control device 221 with a predetermined gain, or performs various processes such as rectification and noise reduction, and performs a predetermined process. And outputs the video signal and the audio signal to the input switching circuit 213 of the monitor 21.

The storage device 224 includes a semiconductor storage element such as a flash memory or various recording media such as a magnetic or optical recording medium, and is fixed to the reception switching control device 221 or connected detachably. . Since the antenna 4 includes data on the broadcast schedule of the program, together with the data of the broadcast contents of each channel, the digital broadcast wave is extracted by the tuner 225 under the control of the reception switching control device 221. Then, the data is stored in the storage device 224 by the reception switching control device 221.

The tuner 225 performs various processes such as tuning, demodulation, separation, and decoding under the control of the reception switching control device 221 on the radio wave of the digital broadcast received by the antenna 4, and performs the reception switching control on the obtained data. Output to the device 221.

The operation of the tuning system 2 configured as described above will be described.

First, in a normal use state in which the power of the monitor 21 and the channel selection device 22 is ON, the user operates the remote controllers 53 and 54 to switch the reception channel and the sound volume. Also, by operating the remote controller 53,
The monitor 21 can also operate based on signals input to the monitor 21 from devices other than the tuning device 22.

In such a normal use state, data relating to a broadcast schedule is broadcast at regular time intervals.
Under the control of the reception switching control device 221, data related to the broadcast schedule of the program is extracted by the tuner 225 from the data received by the antenna 4, and the data is stored in the storage device 224. Therefore, the storage device 22
The data on the broadcast schedule stored in No. 4 is updated every time a predetermined time elapses.

Here, for example, “from 1:30 pm to 3
When the time and the time desired by the user are designated by the remote controller 54, such as “0 minutes”, the reception switching control device 221 refers to the information on the program broadcast schedule stored in the storage device 224, and Search for programs. In the above example, a program that is broadcast from 1:30 pm to 2:00 pm and ends broadcasting at 2:00 pm is searched for.

Here, the method of designating the time and the time by the remote controller 54 is, for example, “1:30 pm to 2 pm
The time may be specified, or the method may be specified as "13: 30-14: 00". Of course, another method may be used. Further, the remote controller 54 may be configured to specify only a desired broadcast start time, broadcast time zone, or broadcast end time.

As a result of the search, when there are a plurality of corresponding programs, the names of the plurality of programs are displayed as a list on the monitor display 216, and the user waits for an instruction input.
In addition, as a result of the search, if there is one corresponding program, the program name may be displayed on the monitor display 216 as in the above case, or the program may be immediately displayed on the monitor 21. It may be aired. That is, the reception switching control device 221 extracts video data and audio data of the channel on which the program is broadcast from the data from the tuner 225 at the broadcast start time of the program, and sets the video / audio control device 223 Output to the monitor 21 via the

The program name is displayed on the monitor display 216.
When a desired program is selected by an input instruction from the remote controller 54 in the state displayed above, the reception switching control device 22
In step 1, video data and audio data of a specified channel are extracted from data input from the tuner 225, and output to the monitor 21 via the video / audio control device 223. Thus, the program selected by the remote controller 54 is broadcast on the monitor 21.

As described above, according to the channel selection system 2 in the second embodiment of the present invention, the input switching circuit 213
The display control circuit 214 and the monitor display 216 for outputting an image based on the video signal input to the CPU, and the audio control circuit 21 for similarly outputting the audio based on the audio information
5, a monitor 21 including a speaker 5 and a speaker 217;
A tuner 225 connected to the antenna 4 for generating broadcast content data of a broadcast wave received by the antenna 4
And a reception switching control device that outputs data generated by the channel selection device 22 to the video / audio control device 223, causes the video / audio control device 223 to generate audio information and video information, and outputs the generated information to the input switching circuit 213. And a channel selection system 22 including a channel selection device 221. The reception switching control device 221 causes the tuner 225 to receive data on a broadcast schedule included in the broadcast received by the antenna 4 and receive the data. The data is stored in the storage device 224. When a time and a time convenient for the user are designated by the remote controller 54,
The reception switching control device 221 refers to the broadcast schedule data of the program stored in the storage device 224 and searches for a program that matches the designated time and time. When there are a plurality of search results, the reception switching control device 221 generates a video signal for displaying a list of the search results,
The search result is output to the input switching circuit 213 via the voice control device 223, and the search result is displayed on the monitor display 216 as a list. If there is only one search result, the data of the broadcast content of the searched program channel is extracted from the data input from the tuner 225, and the video data and the audio data are combined with the video / audio data. The data is output to the control device 223 and broadcast on the monitor 21.

That is, based on the data to be broadcast, a program matching the time and time conditions specified by the user is searched, and the search result is displayed on the monitor display 216, or the searched program is displayed on the monitor 21. Broadcast by Therefore, it is possible to search for a program that suits the user's time, so that, for example, a program can be selected in order to confuse free time. Then, the broadcast does not end within a time convenient for the user, which does not adversely affect the schedule of the user or give the user a feeling of dissatisfaction. As a result, the user can view the program more easily without having to worry about the time.

Then, based on the video signal and the audio signal input to the input switching circuit 213, the monitor display 2
Since it is configured by connecting the channel selection device 22 to the monitor 21 that operates the speaker 16 and the speaker 217, it is already used as a monitor without a built-in tuner and without a function such as a television receiver. Monitor 2
1 can be easily realized.

The monitor 21 does not include a tuner or the like. For example, the monitor 21 has a tuner that can receive analog terrestrial waves and cannot receive digital broadcast waves, but has a terminal for inputting video signals and audio signals from outside. The TV receiver equipped with the
Same as 1.

[Third Embodiment] FIG. 3 is a block diagram showing a configuration of a television receiver 3 according to a third embodiment of the present invention. Hereinafter, a third embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 3, the television receiver 3 includes a control device 301, a remote control light receiving circuit 302, and a power supply circuit 30.
3. Tuner 304, display control circuit 305, audio control circuit 306, monitor display 307, speaker 30
8 and a tuning device 31. The tuning device 31 further includes a reception switching control device 311 and a storage device 312. Note that the antenna 4 and the broadcast received by the antenna 4 shown in FIG.
Since it is the same as the first and second embodiments, the description is omitted here.

Here, the remote controller 55 is connected to the television receiver 3
Is a device for controlling the television receiver 3 by transmitting a signal to the remote control light receiving circuit 302 included in
7 is provided with various keys for performing various instructions such as image quality adjustment and volume adjustment of the speaker 308, generates a press signal corresponding to the pressed key, and transmits the generated signal to the remote control light receiving circuit 302. The remote controller 55 includes an infrared transmitting unit having an LED and an encoder. When transmitting the above-mentioned pressing signal, the remote controller 55 transmits the pressing signal using the infrared communicating unit.

When a signal indicating the content of operation on remote controller 55 is input from remote control light receiving circuit 302, control device 301 operates in accordance with the signal, executes a predetermined program, and executes television receiver 3 Control each part of

Specifically, the control device 301 transmits the digital broadcast smoke wave received by the antenna 4 to the tuner 30.
4, demodulated, separated, and decoded, and when data generated by these various processes is input, the control device 30
1 to extract data of broadcast contents of a predetermined channel. When the data of the broadcast content is input from the tuner 304, video data and audio data are generated based on the data, and the video data is displayed on the display control circuit 3.
05, the display is executed on the monitor display 307, and the audio data is output to the audio control circuit 306, whereby the audio is output from the speaker 308.

Control device 301 generates and displays a video signal for displaying a list of program names on monitor display 307 based on a control signal input from reception switching control device 311 included in tuning device 31. Control circuit 30
5 or broadcast on a channel specified by a control signal from the reception switching control device 311 is broadcast by the monitor display 307 and the speaker 308.

The remote control light receiving circuit 302
And a circuit for receiving and decoding an infrared signal transmitted from the remote controller 55. When an infrared signal is transmitted by an operation of the remote controller 55, the infrared signal is received and decoded, and a signal indicating the operation content of the remote controller 55 is generated. And outputs it to the control device 301. In addition, when an operation of instructing to turn off the power of the television receiver 3 is performed by the remote controller 55, the power supply circuit 303 is controlled to stop the power supply to each part of the television receiver 3 except the remote control light receiving circuit 302. Thereafter, when an operation of instructing to turn on the power of the television receiver 3 is performed with the remote controller 55, the supply of power from the power supply circuit 303 to each unit of the television receiver 3 is restarted.

The power supply circuit 303 is connected to a household AC power supply or a cigarette lighter socket for an automobile.
Power is supplied to each part of the television receiver 3. In addition, when an operation of instructing the remote control 55 to turn off the power of the television receiver 3 is performed, the power supply circuit 303 supplies power to each unit of the television receiver 3 except the remote control light reception circuit 302 according to the control of the remote control light reception circuit 302. To stop. Thereafter, when an operation of instructing to turn on the power of the television receiver 3 is performed by the remote controller 55, the power supply circuit 303 resumes the supply of power to each unit of the television receiver 3 according to the control of the remote control light receiving circuit 302. Let it.

The tuner 304 includes a circuit for demodulating the digital broadcast radio wave received by the antenna 4 and performing various processes such as separation and decoding.
Alternatively, according to the control of the reception switching control device 311 of the channel selection device 31, data of a broadcast content of a predetermined channel, data of a broadcast schedule of a program, and the like are extracted from the digital broadcast wave received by the antenna 4 and obtained. Control data 3
01 or output to the reception switching control device 311 as needed.

The display control circuit 305 has a built-in D / A converter, a video amplifier circuit, and the like, and controls the driving of the monitor display 307 based on the video signal input from the control device 301, so that the display control circuit 305 Display the video.

The audio control circuit 306 has a built-in D / A converter and an amplifier, and outputs audio from the speaker 308 based on the audio signal input from the control device 301.

A monitor display 307 includes a cathode ray tube, an LCD (liquid crystal display), a plasma display,
Alternatively, a display screen such as a liquid crystal projector provided with the screen is provided, and an image is displayed according to drive control by the display control circuit 305. Also, the speaker 308
Is a speaker built in the main body of the television receiver 3 or connected to the outside, and outputs sound according to the drive control of the sound control circuit 306.

The channel selection device 31 includes a reception switching control device 311
And a storage device 312, and the reception switching control device 311 is connected to the tuner 304. The reception switching control device 311 controls the tuner 304 to cause the data indicating the broadcast schedule of the program to be extracted from the digital broadcast waves received by the antenna 4, and stores the broadcast schedule data in the storage device 312. As described above, the data to be broadcasted is broadcast at regular intervals, so that the storage device 3
The data to be broadcast stored in 12 is updated to the latest data at regular intervals.

The storage device 312 includes a semiconductor storage element such as a flash memory or various recording media such as a magnetic or optical recording medium, and is fixed to the reception switching control device 221 or is detachably connected. Medium.

[0111] The operation of the television receiver 3 configured as described above will be described.

First, in a normal use state in which the power of the television receiver 3 is ON, the user operates the remote controller 55 to switch the reception channel and the sound volume.

In such a normal use state, the data relating to the broadcast schedule is broadcast at regular intervals, and the data relating to the broadcast schedule of the program is extracted from the data received by the antenna 4 by the reception switching control device 311. ,
Each time, it is stored in the storage device 312. This allows
The data relating to the broadcast schedule stored in the storage device 312 is updated each time a predetermined time elapses.

Here, for example, “from 1:30 pm to 3
When the time and the time desired by the user are specified by the remote controller 55 as in “0 minute”, the reception switching control device 311 refers to the information on the program broadcast schedule stored in the storage device 312 and corresponds to the time. Search for programs. In the above example, a program that is broadcast from 1:30 pm to 2:00 pm and ends broadcasting at 2:00 pm is searched for.

Here, the method of specifying the time and the time by the remote controller 54 is described in, for example, “1:30 pm to 2 pm
The time may be specified, or the method may be specified as "13: 30-14: 00". Of course, another method may be used. In addition, the remote controller 55 may be configured to specify only a desired broadcast start time, broadcast time zone, or broadcast end time.

As a result of the search, when there are a plurality of corresponding programs, a list of the names of the plurality of programs is displayed on the monitor display 307, and the user waits for an instruction input.
In addition, as a result of the search, if there is one corresponding program, the program name may be displayed on the monitor display 307 as described above, or the program may be immediately displayed on the television receiver. 3 may be broadcast. That is, under the control of the reception switching control device 311, at the broadcast start time of the program, the video data and the audio data of the channel on which the program is broadcast are extracted from the data from the tuner 304, and these data are monitored. Output to the display 307 and the speaker 308.

The program name is displayed on the monitor display 307.
When a desired program is selected by an input instruction from the remote controller 54 in the state displayed above, the reception switching control device 31
According to the control of 1, the control device 301 extracts video data and audio data of the designated channel from the data input from the tuner 304 and outputs the data to the monitor display 307. Thus, the program selected by the remote controller 55 is broadcast by the television receiver 3.

As described above, according to the television receiver 3 of the third embodiment of the present invention, the television receiver 3 is connected to the antenna 4 and receives the broadcast content of a predetermined channel of the digital broadcast received by the antenna 4. A tuner 304,
In a television receiver 3 including a display control circuit 305 and a monitor display 307 for displaying an image of a program broadcast on a channel received by the tuner 304, and an audio control circuit 306 and a speaker 308 for outputting audio, an antenna 4 And a storage device 312 for storing data relating to a broadcast schedule received by the tuner 304 and a storage device 312 for storing data relating to the broadcast schedule received by the tuner 304. 31
When the time is designated by the remote controller 55, the reception switching control device 311 searches the program stored in the storage device 312 for a program that meets the condition of the designated time. When there are a plurality of search results, a list of the searched program names is displayed on the monitor display 307, and when there is only one search result, the program is broadcast from the monitor display 307 and the speaker 308.

That is, based on the data to be broadcast, a program matching the time and time conditions specified by the user is searched, and the search result is displayed on the monitor display 307, or the searched program is displayed on the television receiver. Broadcast by the machine 3. Therefore, it is possible to search for a program that suits the user's time, so that, for example, a program can be selected in order to confuse free time. Then, the broadcast does not end within a time convenient for the user, which does not adversely affect the user's schedule or give the user a feeling of dissatisfaction. As a result, the user can view the program more easily without having to worry about the time.

Furthermore, since the television receiver 3 has the built-in channel selection device 31, the area required for installation is almost the same as that of a normal digital television, so that it is very easy and suitable for time. You can select and watch a program.

Note that, in the channel selection system 1, the channel selection system 2, and the television receiver 3 in the above embodiment,
For example, the remote controller 51, 52,..., 55 may be used to input a limit value of the length of a broadcastable program. That is, if the configuration is such that a program longer than the time specified by the remote controllers 51, 52,..., 55 is not allowed to be broadcast, for example, the time for a person with poor physical condition or a child to watch TV can be limited. Therefore, it can be used for health management.

[0122]

According to the first aspect of the present invention, data indicating a broadcast schedule of a program to be broadcast by digital broadcasting is received and stored in advance, and is adapted to the time condition input by the input means. Is searched, and the search result is output, so that a suitable program can be easily searched from a large number of programs based on time conditions. For this reason, it is possible to easily find a program that suits the user's time. In particular, since a large number of channels and the number of programs are expected in digital television broadcasting, it is possible to provide a very convenient channel selection device when selecting a program. Then, the user can easily watch the program without worrying about the time and the end schedule of the program.

According to the channel selecting apparatus of the invention described in claim 2,
In addition to the effects of the first aspect of the present invention, by connecting to a television receiver, a searched program can be output by the television receiver, and a more convenient channel selection device can be provided.

According to the third aspect of the present invention,
In addition to the effects of the first aspect of the present invention, the program is connected to an output device that performs display output and audio output based on the input signal, and causes the output device to output the searched program. That is, it can be easily realized by connecting the channel selection device according to the present invention to an output device such as a television receiver without a tuner for digital broadcasting or a device used as a monitor. , More convenient.

According to the channel selection system of the fourth aspect of the present invention, data indicating a broadcast schedule of a program to be broadcast by digital broadcasting is received and stored in advance, and the temporal condition input by the input means is stored. Is searched for programs that match
Since the search result is output, a suitable program can be easily searched from a large number of programs based on time conditions. In addition, since the searched program is output as it is by the television receiver, it is possible to easily select a program to be watched, watch and enjoy it according to the time convenience of the user. In particular, since a large number of channels and programs are expected in digital television broadcasting, data relating to a broadcast schedule is stored in advance, and a search is performed based on the data, thereby providing a highly convenient channel selection system. it can. Then, the user can easily watch the program without worrying about the time and the end schedule of the program.

According to the fifth aspect of the present invention, data indicating a broadcast schedule of a program to be broadcast in a digital broadcast is received and stored in advance, and the temporal condition input by the input means is provided. Is searched for programs that match
Since the search result is output, a suitable program can be easily searched from a large number of programs based on time conditions. In addition, the searched program is output as it is in a device used as a monitor without a tuner or an output device such as a television receiver without a tuner for digital broadcasting. The user can easily select, watch, and enjoy the program according to the user's time. Further, the tuning system of the present invention can be easily realized by using the above output device. Then, the user can easily watch the program without worrying about the time and the end schedule of the program.

According to the television receiver of the present invention, the receiving means for receiving the data indicating the broadcast schedule, the broadcast schedule storing means for storing the data, the search means, and the control means include the television receiver. Since the television receiver is provided, the area required for installation is almost the same as that of the television receiver, and can be easily realized. Then, data indicating a broadcast schedule of a program to be broadcast by digital broadcasting is received and stored in advance, and a program that matches the temporal condition input by the input means is searched, and the search result is output. On the basis of time conditions, a suitable program can be easily searched from a large number of programs. In addition, since the searched program is output by the display device as a television receiver, the user can easily select the program according to the time convenience of the user, enjoy the program, and enjoy the program. Then, the user can easily watch the program without worrying about the time and the end schedule of the program.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a tuning system 1 according to a first embodiment of the present invention.

FIG. 2 is a block diagram illustrating a configuration of a tuning system 2 according to a second embodiment of the present invention.

FIG. 3 is a block diagram illustrating a configuration of a television receiver 3 according to a third embodiment of the present invention.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 channel selection system 11 television receiver 111 control device 112 remote control light receiving circuit 113 power supply circuit 114 tuner 115 display control circuit 116 audio control circuit 12 channel selection device 121 remote control light receiving circuit 122 reception switching control device (search means, output means, control means) 123 storage device (broadcasting schedule storage means) 124 tuner (broadcasting schedule data receiving means) 2 tuning system 21 monitor 211 remote control light receiving circuit 212 power supply circuit 213 input switching circuit 214 display control circuit 215 audio control circuit 22 tuning station 221 reception Switching control device (retrieval means) 222 Remote control light receiving circuit 223 Video / audio control device (signal output means) 224 Storage device (broadcast schedule storage means) 225 Tuner (broadcast schedule data receiving means, receiving means) 3 TV receiver 301 control Device 302 Remote control light receiving circuit 303 Power supply circuit 304 Tuner (broadcast scheduled data receiving means) 305 Display control circuit (video output device) 306 Audio control circuit (audio output device) 307 Monitor display (video output device) 308 Speaker (audio output device) 31 station selection device 311 reception switching control device (search means, control means) 312 storage device (broadcast schedule storage means) 4 antenna 51, 52, ..., 55 remote control (input means)

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5B075 ND20 PP10 PP30 PQ02 PQ04 PQ46 UU34 5C025 AA23 BA14 BA22 BA26 CA02 CA09 CB06 CB08 CB09 DA01 DA04 5C064 BA01 BB07 BC18 BC23 BC25 BD02 BD08 BD14

Claims (6)

[Claims] 1. A broadcast schedule data receiving means for receiving data indicating a broadcast schedule of a program to be broadcast by digital broadcasting, a broadcast schedule storage means for storing data received by the broadcast schedule data receiving means, Input means for inputting a time condition, and search means for searching for a program matching the time condition input by the input means with reference to data stored in the broadcast schedule storage means. Characteristic tuning device. 2. A control unit connected to a television receiver for receiving the digital broadcast and outputting video and audio of a predetermined channel, and causing the television receiver to receive a program searched by the search unit. The channel selection device according to claim 1, wherein: 3. When a predetermined video signal and an audio signal are input, the program is connected to an output device that outputs video and audio based on the video signal and the audio signal, Receiving means for receiving an image signal and outputting a video signal and an audio signal for outputting the video and audio of the program, and a signal output for outputting the video signal and the audio signal output from the receiving means to the output device The channel selecting apparatus according to claim 1, further comprising: 4. A tuning system comprising: a television set for receiving a digital broadcast and outputting video and audio broadcast on a predetermined channel; and a tuning unit for designating a program received by the television set. In the system, the channel selection device includes a broadcast schedule data receiving unit that receives data indicating a broadcast schedule of a program that is broadcast by the digital broadcast, and a broadcast schedule storage that stores data received by the broadcast schedule data receiving unit. Means, an input means for inputting an arbitrary time condition, and a search means for searching for a program matching the time condition input by the input means with reference to the data stored in the broadcast schedule storage means. And a control means for causing the television receiver to receive the program searched by the search means. 5. An output device for outputting a video and an audio based on a predetermined video signal and an audio signal based on the video signal and the audio signal, and a video signal and an audio to the output device. A channel selecting device that outputs a signal. The channel selecting device includes: a broadcast schedule data receiving unit that receives data indicating a broadcast schedule of a program to be broadcast by the digital broadcast; A broadcast schedule storing means for storing data received by the data receiving means; an input means for inputting an arbitrary time condition; and a program adapted to the time condition input by the input means, the broadcast schedule storing means. And a video signal and an audio signal for receiving a program retrieved by the retrieval means and outputting video and audio of the program. Tuning system comprising receiving means, a signal output means for outputting the video signal and the audio signal output from the receiving means to the output device, that, with a for outputting and. 6. A television receiver comprising: a display device for receiving a digital broadcast and outputting a video of a program broadcast on a predetermined channel; and an audio output device for outputting audio of the program. Broadcast schedule data receiving means for receiving data indicating a broadcast schedule of a program to be broadcasted in, a broadcast schedule storage means for storing data received by the broadcast schedule data receiving means, and an input for inputting an arbitrary time condition Means, a search means for searching for a program matching the time condition input by the input means with reference to the data stored in the broadcast schedule storage means, and receiving the program searched by the search means. Control means for outputting the video and audio of the program by the display device and the audio output device.