JPH0974545A - Teletext program selection method, device and remote control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate channel selection of the TV broadcast and also the selection of teletext programs. SOLUTION: When a prescribed operation is carried out on a screen A of 'table-of-contents mode', a screen B of 'program number input' is shown. On the screen B, 'Push a program number via digit keys.', 'program number: 0/000', 'Push finally # key.' and 'Table of contents is shown via a table-of- contents key.' are shown in addition to the title of 'program number input'. In the display of the screen B, a program number is inputted via the digit keys prepared for channel selection of the TV broadcast. Thus a desired teletext program can be directly selected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a teletext program selection method, device and remote control device applied to, for example, a television receiver for receiving teletext.

[0002]

2. Description of the Related Art For example, when a desired teletext program is viewed on a television receiver for receiving teletext, first, a television broadcast 3 on which the desired teletext program is broadcast is selected and then Then, the desired teletext program will be selected. In this case, in the above-mentioned television broadcast channel selection, for example, the number keys 1 to 12 or 15 are used to directly select the television broadcast channel.

On the other hand, also in the selection of the above-mentioned teletext program, it is possible to directly select the desired teletext program by using a so-called 10 key composed of numbers 0 to 9, for example. However, for example, in the above-described television receiver, tuner device, or remote control device thereof, it is possible to provide both the numeric keys 1 to 15 and the ten key as described above because of the problem of the area of the operation surface of the device. Is difficult.

Therefore, in the conventional apparatus, when selecting a television broadcast channel, the "+-" keys are used in sequence instead of the numeric keys, or a slide switch for selecting a television and a character broadcast is provided. When the television is selected with this switch, the numeric keys are used for direct tuning, and when the teletext is selected, some of the numeric keys are regarded as 10 keys and Making a choice is being implemented.

However, in the above-described sequential channel selection using the "+-" key, it takes time to perform the desired television broadcast channel selection, and the repeated operation is troublesome. On the other hand, in the method using the slide switch,
The number of operations for selecting television and teletext has increased, and particularly in a device built in a television receiver, the operation of receiving television broadcast, which is mainly performed, becomes complicated.

[0006]

This application has been made in view of the above-mentioned problems, and the problem to be solved is that the conventional apparatus has a problem of selecting a television broadcast and a teletext program. That is, it is not possible to easily select.

[0007]

Therefore, in the present invention, only when the program number input screen is displayed by a predetermined operation, the teletext program is selected by the broadcast channel selection means consisting of an arbitrary number key. According to this, it is possible to easily select a television broadcast channel and a teletext program.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION That is, the present invention has means for receiving a character broadcast and means for selecting a broadcast channel consisting of an arbitrary number key, and a program number input screen is displayed by a predetermined operation. Only when it is present, the teletext program is selected by the selection means.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an example of a television receiver to which a teletext program selection method, device and remote control device according to the present invention are applied. is there.

In FIG. 1, a first tuner 1 and a second tuner 2 are provided. The signals received by the antenna 3 are supplied to these tuners 1 and 2, and the first and second channels are respectively received according to control signals described later. The video signal (V) and the audio signal (A) of each channel received by the tuners 1 and 2 are supplied to the switch means 4.

In the switch means 4, the changeover switch 42 selects the signal from the above-mentioned first tuner 1 and the signal from the external terminal (AUX) 41. A signal from the second tuner 2 and a character signal to be described later are selected by the changeover switch 43, and the selected signal and a signal from the external terminal (AUX) 41 are selected by the changeover switch 44. And these changeover switches 4
The video signal selected by 2, 44 is output terminal 45 (a,
b).

The audio signal selected by the changeover switches 42 and 44 is further supplied to the switch 46. In the switch 46, two audio signals are taken out as they are, or after being interchanged with each other, to be taken out to two outputs, or the audio signal from the changeover switch 42 is taken out to two outputs in common, according to control signals to be described later. Then, one audio signal from the switch 46 is taken out to the output terminal 48a through the switch 47, and the other audio signal is taken out to the output terminal 48b.

Further, the output terminal 45 of the switch means 4
The video signals extracted to (a, b) are the two-screen processing circuit 5
Is supplied to. As a result, in the two-screen processing circuit 5, two video signals are combined in accordance with the designation of various display screen modes described later, and a combined two-screen video signal is formed. Then, the formed video signal is supplied to the display tube (CRT) 7 through the mixing circuit (MIX) 6.

The audio signal output to the output terminal 48a of the switch means 4 is supplied to the speaker 9 through the audio processing circuit 8 for adjusting the volume. Further, the audio signal output to the output terminal 48b of the switch means 4 is
It is taken out to the headphone terminal 11 through the audio processing circuit 10 for adjusting the volume, and is supplied to the headphone 12 through this terminal 11.

Further, the video signal output to the output terminal 45a of the switch means 4 and the video signal from the second tuner 2 are selected by the switch 13 and supplied to the character demodulation circuit 14. The video signal demodulated by the character demodulation circuit 14 is supplied to the mixing circuit 6 through the switch 15, and the video signal and the audio signal demodulated by the character demodulation circuit 14 are supplied to the changeover switch 43.

In this device, a control microcomputer (μ-com) 16 is provided. Control signals from an arbitrary keyboard 17 and a remote control receiver 18 are supplied to the microcomputer 16, and each part is controlled in accordance with these signals. Further, control setting information and the like by the microcomputer 16 are stored in the non-volatile memory 19.

A signal from the microcomputer 16 is supplied to the first tuner 1 to set a desired channel. Further, the character demodulation circuit 14 described above is also composed of a microcomputer. Then, the signal from the character demodulation circuit 14 is supplied to the second tuner 2 to set a desired channel. The character demodulation circuit 14 is controlled by the microcomputer 16.

Further, the video signal formed by the microcomputer 16 is supplied to the switch 15. Further, a signal indicating that the headphones 12 are connected to the above-mentioned headphone terminal 11 is supplied to the microcomputer 16. And the microcomputer 16 according to this signal
ON / OFF of the above-mentioned switch 47 is controlled by a signal from.

Therefore, when a teletext program is selected in this apparatus, for example, a remote operation device as shown in FIG. 2 is used as follows.

That is, in FIG. 2, in a normal state, the television broadcasting channel is selected by using the numeral keys 21 or the "+-" keys 22. On the other hand, when the "table of contents" key 23 is operated, for example, the microcomputer 16
Then, a "table of contents mode" video signal as shown in FIG. 3A is formed, and this video signal is supplied to the mixing circuit (MIX) 6 through the switch 15 and displayed on the display tube (CRT) 7.

In A of FIG. 3, along with the title of "Table of contents mode", "Choose a program by the following method""(Red: Show table of contents) Program can be selected from the table of contents""(Green: Program number)
If you know the program number, press this key / you can directly select the program. "Is displayed. Then, when the (green) key of the color keys 24 is operated in the state of this screen, the "program number input" video signal as shown in FIG. 3B is formed by the microcomputer 16, for example.

In FIG. 3B, "program number input"
With the title of "Please press the program number with the number keys"
The characters "Program number: 0/000", "Please press the # key at the end", "You can move to the table of contents with the table of contents button" are displayed. Then, in the state where this "program number input" screen is displayed, the program number is input using the above-mentioned number keys 21 as shown below, and the desired teletext program is directly selected. You can

That is, FIG. 4 shows a flowchart for performing the processing. In FIG. 4, an arbitrary numeric key 21
When is pressed, it is determined in step [1] whether or not the screen is the "program number input" screen. When it is not the "Enter program number" screen (N0), the channel selection operation is performed.

On the other hand, when the "program number input" screen is displayed in step [1] (YES), whether or not the numeric keys pressed in step [2] are "0 (10)" to "9". To be judged. The number key pressed is "0 (10)"
When it is "9" (YES), it is determined in step [3] whether or not the page designation mode described later is in effect.

When the page designation mode is not set in step [3] (N0), the program number is displayed right justified in step [4] and the process returns to step [2]. When the page designation mode is selected in step [3] (YES), right-justified pages are displayed in step [5] and the process returns to step [2].

Further, when the numeric key pressed in step [2] is not "0 (10)" to "9" (N0),
It is determined whether or not the numeric key pressed in step [6] is "11 (*)". And the number key pressed is "11
If (*) "(YES), the page designation mode is set in step [7] and the process returns to step [2].

When the numeric key pressed in step [6] is not "11 (*)" (N0), it is determined whether the numeric key pressed in step [8] is "12 (#)". To be done. If the pressed numeric key is not "12 (#)" (N0), the process returns to step [2]. Further, when the numeral key pressed in step [8] is "12 (#)" (YES), the selected program is entered.

Therefore, when the number keys "0 (10)" to "9" are pressed in the state where the "program number input" screen is displayed, the pressed numbers are "program number: 0 / 00
Right-justified to the right of "/" in the display of "0". That is, for example, if "2" is pressed first, it becomes "0/002", and if "0" is pressed next, it becomes "0/020".
When "8" is further pressed, it becomes "0/208".

When the number key "11 (*)" is pressed in this state, the display becomes "0/208 * 00".
Further, when the number keys "0 (10)" to "9" are pressed, the pressed numbers are displayed right justified on the right side of "*". That is, for example, if "1" is pressed in this state, "0"
/ 208 * 01 ”, and when“ 1 ”is pressed next,“ 0 ”
/ 208 * 11 ”.

In this way, the program number (three-digit number)
Is input and the page (two-digit number) in the program is designated. When the number key "12 (#)" is pressed in this state, the teletext program selected by the designated program number and page is received and demodulated. Then, the received and demodulated video signal of the teletext program is supplied to the mixing circuit (MIX) 6 through the switch 15, and the display tube (CR
T) 7 is displayed.

Therefore, in this apparatus, only when the program number input screen is displayed by a predetermined operation, the teletext program can be selected by the broadcast channel selection means composed of arbitrary numeric keys. it can.

As a result, it is possible to easily select a television broadcast channel and a teletext program, which have conventionally been complicated in operation, and particularly to improve the operability of a device built in the television receiver. Can be improved. In addition, the number of operation keys such as numeric keys can be reduced to simplify the structure and improve the operability.

Thus, according to the above-mentioned method, device and remote control device for selecting a teletext program, it has means for receiving a teletext and means for selecting a broadcast channel consisting of arbitrary numeric keys, and the program can be operated by a predetermined operation. By selecting the teletext program by the selection means only when the screen for inputting the number is displayed, it is possible to easily select the television broadcast channel and the teletext program. .

A teletext program selection method according to the present invention,
The device and the remote control device are not limited to the configurations shown in the above-described embodiments, but may have various configurations without departing from the spirit of the present invention.

[0035]

According to the present invention, only when the program number input screen is displayed by a predetermined operation, the teletext program can be selected by the broadcast channel selection means composed of arbitrary numeric keys. I was able to do it.

As a result, it is possible to easily select a television broadcast channel and a teletext program, which have conventionally been complicated in operation, and particularly to improve the operability of a device built in the television receiver. It can be improved.

Further, the number of operation keys such as numeric keys can be reduced to simplify the structure and improve the operability.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an example of a television receiver to which a teletext program selection method, device, and remote control device according to the present invention are applied.

FIG. 2 is a configuration diagram of an example of the remote control transmitter.

FIG. 3 is a diagram for explaining the operation of the device according to the present invention.

FIG. 4 is a diagram for explaining the operation of the device according to the present invention.

[Explanation of symbols]

 1 First Tuner 2 Second Tuner 3 Antenna 4 Switch Means 41 External Terminals 42, 43, 44 Changeover Switch 4548 Output Terminal 46, 47 Switch 5 2 Screen Processing Circuit 6 Mixing Circuit (MIX) 7 Display Tube (CRT) 8 10 audio processing circuit 9 speaker 11 headphone terminal 12 headphone 13, 15 switch 14 character demodulation circuit 16 control microcomputer (μ-com) 17 keyboard 18 remote control receiver 19 non-volatile memory

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yoshinori Komiya 6-735 Kitashinagawa, Shinagawa-ku, Tokyo Sony Corporation

Claims (3)

[Claims] 1. A means for receiving a character broadcast and a means for selecting a broadcast channel consisting of arbitrary numeric keys, wherein the character is selected by the selecting means only when a program number input screen is displayed by a predetermined operation. A method for selecting a teletext program, characterized in that a broadcast program is selected. 2. The program number is provided with a means for receiving a teletext and a means for selecting a broadcast channel consisting of an arbitrary number key, and a predetermined operation means for displaying a program number input screen is provided. A teletext program display device, wherein a teletext program is selected by the selection means only when an input screen is displayed. 3. A broadcasting channel selecting means comprising arbitrary numeric keys and a predetermined operating means for displaying a program number input screen, and transmitting information signals from the selecting means and the operating means. A remote control device, characterized in that a transmission means is provided, and the teletext program is selected by the selection means only when the program number input screen is displayed.