JPH07147657A - Television program table receiver - Google Patents

Abstract

PURPOSE:To display a television(TV) program table and to perform setting operations for the picture recording based on the program table by providing a TV broadcast receiver such as a TV set or a video tape recorder(VTR), etc., with a function automatically receive the program table. CONSTITUTION:A CPU 10 is programmed so as to discriminate the code of a TV program table received in a prescribed form based on the signal that is superposed on the TV radio wave. The data acquired by the CPU 10 are stored in a memory 11. Meanwhile the CPU 10 retrieves the desired items out of the data stored in the memory 11 and displays the program table on a TV screen by an instruction given from a program selection/input device 15. When a video recording instruction is received, the CPU 10 retrieves the start time and the end time of a desired program out of the data stored in the memory 11 and controls a VTR at each retrieved time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver and a video tape recorder device having a television receiving function, and more particularly to a device for receiving a data signal superimposed on a radio wave of television broadcasting.

[0002]

2. Description of the Related Art A video tape recorder (hereinafter simply referred to as "VTR") having a television broadcast receiving function records a television program by setting a recording start time, recording end time and channel number. There are things you can make a reservation for.

Further, a VTR in which the broadcast time and channel number of a television program are coded into some numbers and the recording reservation can be made only by inputting these numbers.
There is also.

[0004]

[Problems to be Solved by the Invention] However, the VTR
In order to schedule the recording of the above, it is necessary to look up the code, or the broadcast time and the channel number, in the television program guide of newspapers or magazines.

Further, since such a code and time are not related to the program name, the expected program may not be recorded even with a slight input error.

The present invention has been made in view of the above points, and makes it possible to view a television program list on a television screen and select a program title on the screen to display a VTR. In the television receiver, the channel can be switched.

[0007]

In order to achieve the above object, the present invention provides an apparatus for receiving a data signal superimposed on a television broadcast, such as Bunyu Broadcasting, of a program guide superimposed on the television broadcast. A circuit for extracting and decoding a data signal is provided.

Further, a memory for storing the data of the program guide sent from each broadcasting station, a control circuit for converting these data into one program guide, a circuit for displaying this program guide, and a program selection An input device for performing the operation is provided.

[0009]

In the television program guide receiving apparatus configured as described above, the program guide is displayed on the screen by operating the switch of the input device, and in the VTR apparatus, recording is performed by selecting the program title. It is possible to make a reservation and to switch to the channel corresponding to the title of the program on the television receiver.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the drawings. In order to put the television program guide receiving device into practical use, it is necessary to superimpose the data of the program guide on the radio waves of the television broadcast before transmission.

In order to superimpose the data signal of the program guide on the television broadcast for transmission, the teletext system which has been in actual use since November 1985 can be used. In this teletext, the vertical blanking period (non-display portion) of the television image radio wave is assigned to the text information signal, and the encoded text data is sent without affecting the video. .

FIG. 1 is a block diagram showing a configuration of a television receiving device including a television program guide receiving device according to an embodiment of the present invention. Functions of the television receiver 1 and the VTR set 2 shown in FIG. Is included.

The signal received from the antenna 3 is demodulated into a video signal by a tuner A4, a tuner B5 and a tuner C6.

The signal demodulated by the tuner A4 is a video signal multiplexer 14 (hereinafter simply referred to as "multiplexer").
Is transmitted to the video display 7 (hereinafter simply referred to as “display”), and the signals demodulated by the tuner B5 and the tuner C6 are respectively V
It is sent to TR8 and teletext decoder 9.

The data obtained by the teletext decoder 9 is C
It is sent to PU10. The CPU 10 checks whether this data includes a program guide recognition code 22 (described later),
When the program guide recognition code 22 is included, it is determined that the program includes the data of the program guide and is recorded in the memory 11. Further, the CPU 10 switches the channel of the tuner C6 and the program guide data of each broadcasting station. To receive.

At this time, when the data card 16 previously gives the channel number of the broadcasting station broadcasting the program guide, the character broadcasting program number (hereinafter simply referred to as "program number") and the data of the broadcasting time, The time required for initial setting can be shortened.

When the program guide selection input device 15 is instructed to display the program guide on the screen, the CPU 10 causes the memory 11 to operate.
The title and time of the program are read from the data of the program and the program table is constructed according to the time. Further, the input of the multiplexer 14 is switched to the character generator 13, and this program table is formed into a character pattern through the character generator 13, and the display 7 is displayed. To display.

FIG. 2 is a front view showing a function of displaying a program list on the display 7 by operating the program selection input device 15. When there are many receiving stations, it is not possible to display all the stations on the screen, so the currently receiving station is displayed in the center. The range to be displayed is scrolled (moved) by operating a switch that selects a program vertically or horizontally on the screen.

FIG. 3 is a front view showing the function of selecting a program from the program table by operating the program selection input device 15. By pressing the switch for selecting the program on the left, the entire table is scrolled right by one and the program displayed on the left enters the program selection frame 20 in the center.

FIG. 4 is a front view showing a function of displaying detailed program data on the display 7 by operating the program selection input device 15. When the switch for displaying detailed data is pressed, the CPU 10 checks the start position of the detailed data 40 from the program detailed pointer 33 (described later) of the program guide data stored in the memory 11 and displays a series of data starting from this position on the display 7 To display.

FIG. 5 is a front view showing the function of switching the reception channel to the selected program by operating the program selection input device 15. When the channel switching switch is pressed, the CPU 10 switches the tuner A4 to the channel number corresponding to the program selection frame 20, switches the input of the multiplexer 14 to the tuner A4, and displays the selected program on the display 7.

By operating the program selection input device 15, recording reservation of the VTR 8 can be made. When the recording switch is pressed, the CPU 10 stores the identification data of the selected program in the memory 11, searches the memory 11 and registers the start time of the program in the timer 12, and when the timer 12 operates, the CPU 10 restarts. The memory 11 is searched and the broadcast start time is confirmed. If there is no change, recording is started. If there is a change, a new start time is registered again in the timer 12. If there is a change in the broadcast time,
The recording start time can be changed by newly broadcasting the changed program guide data.

When selecting a program, the multiplexer 14 is used.
Then, the characters of the character generator 13 are displayed so as to be superimposed on the image of the tuner A4, and when the tuner A4 is switched according to the selection of the program, the image and the program title can be viewed at the same time.

In order to provide the functions described above, it is necessary to send the program guide data in a format that can be judged by the CPU to the program to which the teletext program guide is sent. The items and formats of the data are described below.

FIG. 6 and FIG. 7 are the standards of the data of the television program table to be placed in the teletext used in the present invention. When all the elements are included in one teletext program, the capacity of the program becomes considerably large. Therefore, the program guide is divided into the following two teletext programs and sent. Program guide teletext A: A program title, a search code for detailed program data, etc. are entered. Program guide teletext B: Contains the contents of detailed program data.

FIG. 6 is a data structure diagram of the program guide teletext A for transmitting the television program guide. The program guide recognition code 22 is an array of codes of characters and symbols that are not normally used. When the program number of the television program guide is unknown, it is a code that serves as a clue for retrieval, and the second and subsequent receptions. In the case of, it is not necessary because the program number of the program guide teletext A is known from the already read data.

The current time 23 indicates the current time and date,
The timer 12 is used for time adjustment. Therefore, the device using the present invention does not need time adjustment.

The channel number 27 indicates the channel number of the television broadcast corresponding to the transmitted program guide. However, "00" indicates that it is the broadcast program table of the own station,
When receiving a radio wave via a relay station, since it does not always match the channel number of the first broadcasting station, the content of channel number 27 is set to "00" except when sending the program table of another station. send.

The broadcasting station name 28 indicates the name of the television station corresponding to the transmitted program list, and the broadcasting station name display 18 of the program list is shown.
Becomes

The detailed program number 26 indicates the program number of the program guide teletext B. When the data is "000", it indicates that the program guide teletext B does not exist. When this number is the same program number as the program guide teletext A, it is assumed that the program guide teletext A includes the program detailed data 40.

The program start time 30 indicates the broadcast start time of the program, and the program start time 34 used for time collation of the list, recording reservation of the VTR, and the like is the same.

The program identification code 31 is used to identify the same content of the program title 32 (which will be described later) when it exists, provided that this code is not displayed in the program list on the television screen. The value of the program guide end code 39 (described later) cannot be used as the data of the identification code, and the same applies to the program identification code 35.

The program title 32 represents the title of the TV program. This data is the program title display 1 of the program list.
The same applies to the program title 36, which is 9.

The program detail pointer 33 is a program guide teletext B.
The start position of the detailed program data 40 (described later) is shown.
When "0152" is written as the data in the program detail pointer 33, it means that the program detail data 40 is written from the 152nd character of the program guide teletext B.
The same applies to the program detail pointer 37.

Program start time 30 and program identification code 31,
1 in 4 items of program title 32 and program detail pointer 33
Repeat these four items for the number of TV programs to be transferred, which will be the data of one program.

The program end time 38 is the same as the program start time 30, but since there is a program end code 39 (described later), it is used only as the end time of the previous program.

The program end code 39 is the program identification code 31.
Has a special value, and the program guide teletext A
Means the end of the data of the program list included in. During the broadcast stop period, a title such as "broadcast stop" is added and registered as one of the programs.

The next broadcast time 24 indicates a waiting time until the next program guide teletext A and program guide teletext B are broadcast.

The next program number 25 indicates the program number of the next program table teletext A. When the program number is "000", it will be broadcast with the same program number as this time.

The next broadcast time 24 and the next program number 25 are data for promptly receiving the next program guide teletext A.

The footer data 29 is data to be displayed on the screen of the television as the footer data display 21 of FIG. 2, and a message such as the sponsor name of the program and CM can be put in this. The footer data 29 of the channel selected in the list is displayed.

FIG. 7 shows the data structure of the program guide teletext B for transmitting the television program guide. Detailed program data 40
Can contain the synopsis and cast of the program, but the content and length are not specified in particular, and up to the delimiter 41 (described later) is the data for one TV program.
What is indicated by the program detail pointer 33 is the position of the first character of this data. The same applies to the program detailed data 42.

The delimiter 41 is the program detailed data 40.
The same applies to the delimiter 43, which is a data delimiter of.

[0044]

As described above, the television program guide receiving device according to the present invention automatically receives program guide data in the television receiving device without installing a new antenna or laying a cable. TV program selection and V
The TR recording reservation can be made accurately and easily.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a television program guide receiving device including a VTR device, which is an embodiment of the present invention.

FIG. 2 is a front view showing an operation of displaying a program guide on a television screen and a screen of the program guide, which is an embodiment of the present invention.

FIG. 3 is a front view showing an operation of selecting a program from the program guide on the television screen and a change in the screen according to the embodiment of the present invention.

FIG. 4 is a front view showing an operation of switching to a channel of a selected program and a display screen according to an embodiment of the present invention.

FIG. 5 is a front view showing an operation and a display screen for displaying detailed data of a selected program, which is an embodiment of the present invention.

FIG. 6 is a data configuration diagram showing a data array of a program guide teletext A including a program title, a start time and the like used in the present invention.

FIG. 7 is a data configuration diagram showing a data array of a program guide teletext B including program details used in the present invention.

[Explanation of symbols]

1 Television Receiver 2 VTR Set 3 Antenna 4 Tuner A 5 Tuner B 6 Tuner C 7 Video Display 8 VTR 9 Teletext Decoder 10 CPU 11 Memory 12 Timer 13 Character Generator 14 Video Signal Multiplexer 15 Program Selection Input Device 16 Data・
Card 17 Time display 18 Broadcast station name display 19 Program title display 20 Program selection frame 21 Footer data display 22 Program guide recognition code 23 Current time 24 Next broadcast time 25 Next program number 26 Detailed program number 27 Channel number 28 Broadcast station Name 29 Footer data 30 Program start time 31 Program identification code 32 Program title 33 Program detail pointer 34 Program start time 35 Program identification code 36 Program title 37 Program detail pointer 38 Program end time 39 Program guide end code 40 Program detail data 41 Delimiter 42 Program Detail Data 43 Delimiter

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Claims (1)

[Claims] 1. A device for receiving a data signal superimposed on a television broadcast such as a character broadcast, and means for converting data of a television program guide transmitted by the data signal into data of a start or end time of a program. A television broadcast receiver having means for displaying a program guide and means for selecting a program from the program guide.