JPH066772A - Teletext receiver - Google Patents

Abstract

PURPOSE:To reserve the picture recording of TV programs with subtitles by using the TV program information by teletext. CONSTITUTION:The TV program data with subtitles by teletext are extracted by the identification code of program with subtitles from the TV program information by teletext and stored in a data memory 12. The stored TV programs are displayed on the screen of a monitor 2, and the desired TV programs are selected by a cursor and stored in a reservation memory 13. Based on the TV program data of the picture recording reservation, a control signal directing the picture recording is sent from a VTR control section 15 to a VTR 3 to be connected at the time of starting broadcast and a video signal with subtitles is sent from a display control section 10, then the end of picture recording is directed at the end of broadcast.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a teletext receiver for extracting television program information from a teletext signal of each channel and making a recording reservation for a VTR connected using the television program information.

[0002]

2. Description of the Related Art Teletext is used for various news, weather forecasts,
In addition to life information such as stocks, a service for supplementing TV programs by subtitle supermarkets is currently being provided on each channel. This subtitled broadcast by teletext is to explain the contents of a TV program being broadcast at the same time by displaying characters and graphics in a super-display manner, and is a fun program that cannot be overlooked, especially for people with hearing loss. However, in order to record the subtitled television program on the VTR, the teletext receiver is set to the broadcasting channel, and the subtitled program number 999 is input by the remote controller, and the connected V
This is done by setting the TR to the recording mode, and generally only real-time recording was possible. If the teletext receiver is linked to a timer and set to a certain setting, it is possible to schedule recording for one program, but even in this case, complicated settings are required and recording reservations for multiple programs cannot be made. There was a problem.

On the other hand, the mechanism of character broadcasting is a system in which character / graphic data is superimposed on a part of a vertical blanking period of a television video signal for broadcasting, and data such as characters / alphanumerics / symbols is coded. Has been sent. Therefore, in teletext, specific characters and numbers on the display screen of the character signal can be specified by cursor display etc. and extracted, and by decoding the code of the characters and numbers extracted by the teletext receiver, the content can be grasped and identified. It is possible. That is, when the service of the TV program information by the teletext is provided, it becomes possible to identify the channel and the title of the program, the broadcast date, the start and end times, etc. by the receiver by using the TV program data. .

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a subtitle broadcast television program is extracted from teletext television program information and stored in a data memory. The present invention provides a teletext receiver in which a TV subtitle program of (1) is selected and stored in a reservation memory, and a VTR recording reservation is made.

[0005]

In order to solve the above-mentioned problems, the present invention solves the above-mentioned problems by storing a data extracting unit for extracting a character broadcasting signal from an input TV broadcasting signal and storing, retrieving and receiving received data output from the data extracting unit. A control unit for controlling reading, etc.,
A display control unit for converting the read data into a video signal to be displayed on a monitor screen, a data memory for extracting and storing TV program information from the received data output from the data extracting unit, and a cursor for the TV program information stored therein. A reservation memory for storing the TV program of the recording reservation selected on the display, and a VTR control section for generating and outputting a control signal to the connected VTR are provided, and the V program of the connection is connected by using the TV program information by teletext.
In a teletext receiver adapted to make a TR recording reservation, a television program of a subtitle broadcast by teletext is extracted from the television program information of the teletext and stored in the data memory, and from the television program table of the same storage A TV program for recording reservation is selected and stored in the reservation memory, and a control signal from the VTR control unit and a video signal for caption display from the display control unit are connected based on the recording reservation program data in the reservation memory. The present invention provides a teletext receiver adapted to be sent to a VTR.

[0006]

With the above construction, in the teletext receiver according to the present invention, the television program of the subtitle broadcast by the teletext is extracted from the television program information by the teletext of each channel and stored in the data memory. , The stored TV program guide is displayed on the monitor screen, and the desired TV program is selected with the cursor and stored in the reserved memory. Then, based on the TV program data of the recording reservation, when the broadcast start time comes, the control signal for instructing the recording to the connected VTR is sent from the VTR control unit, and the video signal for caption display is sent from the display control unit to send the broadcast signal. When the end time comes, the end of recording is instructed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a teletext receiver according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram of essential parts of an embodiment of a teletext receiver according to the present invention. In FIG. 1, 1 is a teletext receiver main body, 2 is a monitor for displaying received data, 3 is a connected VTR, and 4 is a remote controller for outputting a remote control signal corresponding to a user's key operation. Reference numeral 5 is an antenna, and 6 is a tuner, which amplifies and detects the television broadcast signal of the channel designated by the channel selection unit 7 and outputs it as a video signal. A data sampling unit 8 separates the superimposed character broadcasting signal from a predetermined position in the vertical blanking period from the video signal and outputs an error-corrected character signal. 9 is a character generator that decodes a character signal into character data for screen display, 10 is a fixed display of the decoded character data, subtitle display, etc.
A display control unit for converting into a predetermined video signal and outputting to the monitor 2 and the VTR 3, 11 is a memory for pre-registering data such as a channel number of a reception target, a program number of TV program information, an identification code of a closed caption TV program, 12 Is a data memory for extracting and storing all programs of subtitle broadcasting from the TV program information by the character broadcasting of each channel, 13 is a data memory
12 Reserved memory that stores the TV program data of the recording reservation selected from the stored TV program table of subtitle broadcasting, 14 is the date / time
A clock unit for outputting time data, 15 is a VTR control unit for outputting to the VTR 4 a control signal of a predetermined format for instructing start and end of recording based on the TV program data of the recording reservation stored in the reservation memory 13, and 16 is The input unit detects a remote control signal input from the remote control 4. Reference numeral 17 denotes a CPU (central processing unit), which is connected to the above-mentioned respective parts through a bus line 18 and controls related parts such as data writing / searching / reading according to a program loaded in the program ROM 19. FIG. 2 is an example of a display screen of the television program guide stored in the data memory 12. In FIG. 2, 21 is a broadcast start / end time, 22 is a code indicating a subtitle broadcast program, 23 is a title, and 24 is a broadcast channel.

Next, the operation of the teletext receiver according to the present invention constructed as described above will be described. First, at least the TV program guide information by teletext must be at least as long as the teletext receiver can grasp and identify the TV program.
The station name, date, start / end time, program title, and TV program data indicating whether the program is a closed-captioned broadcast program by text broadcasting are composed of characters or identification codes according to a predetermined screen display standard, and one program for one day is set. It is assumed that a teletext program number is set for each day of the week and the program is broadcast from each channel. Further, the program number of the television program information on each day of the week, the identification code of the subtitle broadcast program, the channel number of the reception target, and the like described above are registered in the memory 11 in advance.

Next, the operation of updating / writing the subtitle broadcast television program data stored in the data memory 12 will be described with reference to the flowchart of FIG. When the data of the time output from the clock unit 14 reaches the update / write time (step 1, YES, hereinafter abbreviated as ST), the CPU 17 sets the update / write mode to ST2.
Perform the following control procedure. First, the channel number of the reception target, the program number of the television program information, and the caption program identification code registered in the memory 11 are read (ST2). Then, according to the first received channel number to be read,
Instruct the tuning unit 7 to output the tuning signal of the same channel,
Switch the tuner 6 to the same channel (ST3). Next, by using the program number of the TV program information and the identification code of the subtitle broadcast program, the data of the target subtitle broadcast TV program is extracted from the series of character signals from the data extracting unit 8 and stored in the data memory 12. The data is written and stored while being sequentially updated (ST4). At the time of writing, necessary data is added to obtain a display screen as shown in FIG. 2, and the character signal of a predetermined format is written. When updating / writing of all data of the first receiving target channel is completed, the above-mentioned updating / writing is performed by sequentially switching to the next target channel (ST5, NO, ST3, ST4) and ending of the last target channel. Then (ST5, YES), the update / write mode is canceled.

FIG. 4 is a flow chart showing the operation of recording reservation. The remote controller 4 is provided with operation keys such as "reserve", "cursor" movement, "setting", and "end". Now
When the reservation key of the remote controller 4 is operated, the remote control signal by the operation is received by the input unit 16. The CPU 17 detects an input signal and sets it to the reservation mode, converts the TV program table of the subtitle broadcast stored in the data memory 12 into a display signal, and displays it on the screen of the monitor 2 as shown in FIG. 2 (ST1.
1). Next, the cursor key input is awaited, and if there is the same input (ST12, YES), the display cursor is moved to the top and bottom of the screen according to the designation (ST13). Next, the input of the setting key is detected (ST14, YES), and the TV program data indicated by the cursor is written and stored in the reservation memory 13 (ST15). Repeat the above recording reservation operation (ST16, NO, ST12 to ST15), detect the end key input (ST16, YES), and cancel the reservation mode. Further, at the time of the above-described recording reservation, the write data to the reservation memory 13 is at least the channel number of the reserved program,
If it is composed of data such as broadcast date, start / end time, title, etc.
Data on the monitor 2 to confirm the reserved program,
Can manage cancellations and changes. That is, the CPU 17 checks the data in the reservation memory 13 when the reservation operation is completed,
If there are TV programs with overlapping broadcast times, the data of the reserved program can be displayed on the screen of the monitor 2 to notify the viewer by changing the background color of the overlapping program data.

FIG. 5 is a flow chart showing an operation for instructing recording on the connected VTR 3 based on the recording reservation data. The CPU 17 searches the reservation memory 13 to check whether there is recording reservation data (ST21), and if there is reservation data (ST21, YES), checks whether it is the time to start broadcasting (ST2).
2). At the broadcast start time (ST22, YES), the subtitle display mode is set and the channel selection unit 7 is selected based on the reserved TV program data.
To switch the tuner 6 to the corresponding channel (ST
twenty three). Then, the VTR control unit 15 generates a control signal in a predetermined format instructing the start of recording, and the display control unit 10 causes the tuner 6 to operate.
Video signals are generated by superimposing subtitles by teletext on the video signals of the above, and sent to the connected VTRs 3 (ST
twenty four). When the broadcast end time comes (ST25, YES), the VTR control unit 15 sends a control signal of a predetermined format instructing the completion of recording to VT.
It is sent to R (ST26) and the subtitle display mode is canceled.

The teletext receiver body 1 may be a VTR built-in type built into a VTR or an adapter type. Further, in the case of the adapter type, the control signal may be sent to the VTR 4 by using a signal cable or infrared rays.

[0013]

As described above, in the teletext receiver according to the present invention, the television program data of the subtitle broadcast is extracted from the television program information of the teletext and stored in the data memory. By displaying the TV program guide on the monitor screen, selecting the desired TV program with the cursor and writing it in the reservation memory, it is possible to make a recording reservation for the subtitle program.

[Brief description of drawings]

FIG. 1 is a block diagram of essential parts showing an embodiment of a teletext receiver according to the present invention.

FIG. 2 is an example of a display screen of a television program guide stored in a data memory.

[Fig. 3] Update of TV program data stored in data memory
7 is a flowchart showing a writing operation.

FIG. 4 is a flowchart showing a recording reservation operation.

FIG. 5 is a flowchart showing an operation of instructing a connected VTR to record.

[Explanation of symbols]

 1 Teletext receiver main body 2 Monitor 3 VTR 4 Remote control 5 Antenna 6 Tuner 7 Tuning section 8 Data sampling section 9 Character generator 10 Display control section 11 Memory 12 Data memory 13 Reserved memory 14 Clock section 15 VTR control section 16 Input section 17 CPU 18 Bus line 19 Program ROM

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical indication location H04N 5/91 N 4227-5C 9/00 C 7337-5C

Claims (2)

[Claims] 1. A data sampling section for extracting a teletext signal from an input television broadcasting signal, a control section for controlling storage, retrieval, reading, etc. of received data output from the data sampling section, and a monitor screen for the reading data. A display control unit for converting into a video signal to be displayed on the screen, a data memory for extracting and storing TV program information from the received data output by the data extracting unit, and a recording selected by cursor display from the TV program information stored in the same. A telecast that includes a reservation memory that stores a reserved TV program and a VTR control unit that generates and outputs a control signal to a connected VTR, and uses the telecast program information to make a recording reservation for the connected VTR. In the receiver, the TV program of the subtitle broadcasting by the character broadcasting is extracted from the TV program information by the character broadcasting and stored in the data memory, and the same memory is stored. The TV program of the recording reservation is selected from the TV program table of FIG. 3 and stored in the reservation memory, and the control signal from the VTR control unit and the subtitle display from the display control unit are displayed based on the recording reservation program data of the reservation memory. A teletext receiver characterized in that a video signal is sent to a connected VTR. 2. The extraction of the television program data of the subtitle broadcast is automatically performed by using the identification code of the subtitle program added to the television number data of the teletext and is stored in the data memory. The teletext receiver according to item 1.