JPH05284479A - Teletext receiver - Google Patents

Abstract

PURPOSE:To generate a television program list by editing data of teletext television program information. CONSTITUTION:A program of television program information is extracted from a teletext of each channel based on a program number registered in advance in a registration memory 12 and the extracted television program data are stored in a data memory 9. A memory area is set to the data memory 9 for each weekday and each time zone of each weekday, all television program data are edited into a program list and stored and the stored data are revised for a prescribed time every day. Television program data for a desired weekday/ time zone are selected by the key operation of a remote controller 3 and converted into a signal used to be displayed on a screen of a monitor 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention stores all TV program data extracted from a program of TV program information of a character broadcasting signal of each channel in a memory and displays the TV program information on a screen by a connected monitor. Regarding teletext receivers.

[0002]

2. Description of the Related Art Conventionally, confirmation of a television program has been carried out by checking a television program section of a newspaper for the contents of the day. Therefore, when there is no newspaper at hand, it is often the case that the channel is frequently switched to check the program content of another channel while watching TV. In particular, the contents of the program over several days had to be searched by buying a TV program information magazine such as a TV guide, and I felt inconvenient when making a recording reservation for the VTR.

On the other hand, in the teletext, various channels, information such as news, weather forecast, stocks, etc., and services such as supplementation of television programs by subtitle supermarkets are currently provided in each channel. This teletext is a system that superimposes character / figure data on a part of the vertical blanking period of the TV video signal and broadcasts it, and data such as characters / alphanumerics / symbols is coded and sent. .. Therefore, in teletext, if you specify a specific character or number on the display screen of the character signal with a cursor display, etc., you can understand the content by identifying the code of the specified character or number at the teletext receiver. Has the basic requirements. That is, when the service of the television program information by the teletext is provided, the television program data can be used to identify the channel of the program, the broadcast date, the start / end time, etc. by the receiver.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a program of TV program information is extracted from a character broadcast of each channel, and the TV program of each channel is extracted for each time zone on each day of the week. Text broadcasting that edits the data into a program guide and stores it in the data memory, operates the display keys on the remote control, etc. to read the program data for the desired day of the week / time zone and convert and output it to the signal displayed on the monitor screen. A receiver is provided.

[0005]

In order to solve the above 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 and retrieving received data output by the data extracting unit. In a teletext receiver provided with a control unit for controlling reading and the like and a display control unit for converting the read data into a signal for display on a television screen, a memory in which a teletext program number of television program information is registered, , A data memory for storing TV program data by extracting TV program information from the character broadcast of each channel by the same program number, a clock unit for outputting date / time data, and a screen display of the TV program data, etc. A teletext receiver including an input unit is provided.

[0006]

With the above construction, in the teletext receiver according to the present invention, the program of the television program information is extracted from the teletext of each channel by the program number registered in advance, and the extracted television program data is stored in the data memory. Remember. A memory area is set in the data memory for each day of the week and for each time zone of the day of the week, all TV program data is edited and stored in a program table, and the stored data is updated every predetermined time every day. The TV program data of a desired day of the week / time zone is selected and read out by a key operation of a remote controller or the like, and is converted and output as a signal to be displayed on the monitor screen.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a teletext receiver according to the present invention will be described in detail below 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, reference numeral 1 is a teletext receiver main body, 2 is a monitor for displaying received data, and 3 is a remote controller for outputting a remote control signal corresponding to a user's key operation. 4 is an antenna,
A tuner 5 amplifies and detects a television broadcast signal of a channel designated by the channel selection unit 6 and outputs it as a video signal.
A data sampling unit 7 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. 8 is a work RAM for temporarily storing the character signal output from the data sampling section 7, 9 is a data memory of the television program for storing the television program data from the character broadcasting signals of all the designated channels, and 10 is a character signal of the same character signal. A character generator that decodes the character data of the corresponding screen display using the code as an address, 11 is a display control unit that converts and outputs the decoded character data into a display signal that is displayed on the screen of the monitor 2, and 12 is a receiving television. A registration memory for registering data such as channel numbers and teletext program numbers of TV program information, 13 is a clock unit for outputting date / time data,
Reference numeral 14 is an input unit for receiving and detecting a remote control signal input from the remote controller 3, and 15 is a printer control unit for converting and outputting the character data on the screen display into a signal of a predetermined format. 16 is the CPU
The (central processing unit) is connected to the above-mentioned respective parts through the bus line 17 and controls the respective related parts such as control of writing / searching / reading of data according to the program loaded in the program ROM 18.

Next, the operation of the teletext receiver according to the present invention constructed as described above will be explained. First, in order to enable the teletext receiver to grasp and identify the television program, at least the television program information such as the station name, date, program title, start / end time, etc., should be included in the teletext TV program information. Configured according to a predetermined screen display standard with a character code or identification code, set a program number of a character broadcast for each day of the week as one program for one day, and broadcast one week of TV program data including the current day from each channel It shall be. FIG. 2 is an example of the display screen. Also, the registration memory 12 is pre-registered with the data of the program numbers from Sunday to Saturday, and the channel numbers to be received are the same as the preset of the desired channel for viewing when the user installs this unit. It is registered in the registration memory 12. Further, in the data memory 9 for storing the television program data, a storage area of the television program data is set in advance for each day of the week and for each time zone of the same day as shown in FIG. FIG. 4 is an example of a display screen of the television program data stored in the data memory 9.

Next, the operation of updating / writing the television program data stored in the data memory 9 will be described with reference to the flowchart of FIG. When the time data output from the clock unit 13 reaches the set time for updating / writing, the CPU 16 (step 1, YES,
(Hereinafter abbreviated as ST) Check whether it is being viewed, and confirm that it is not being viewed (ST2, NO) and set the update / write mode (ST
3), execute the control procedure after ST4. Now, for example,
Taking update / write on Sunday as an example, data for the previous day, that is, Saturday, is the data to be updated.
The day of the week and Saturday of the previous day are determined based on the output date data, and the program number corresponding to Saturday is read from the registration memory 12 (ST4). Then, the channel number of the first reception target is read from the registration memory 12, and the tuning unit 6 is instructed to convert and output the tuning signal of the same channel, and the tuner 5 is switched to the same channel (ST5). Wait for the input of the character signal. The program data header is identified from a series of input character signals, the program number data from the program data header and the program number corresponding to the Saturday are compared, and if they match, the data of all pages of the program is sequentially stored in the work RAM 8. Store (ST6). Next, as the data stored in the work RAM 8, the numerical code indicating the day of the week of the program number and the broadcast start time of the data body is decoded, and the data memory 9 is read.
In a predetermined storage area, that is, in a corresponding time zone on Saturday, the old data is written while being sequentially updated. At the time of this writing, a data header is given at the beginning of each day of the week, a heading is given at the first line of the text, and data such as a channel number is added to the text of the TV program data, and a predetermined format for displaying a display screen as shown in FIG. 4 is displayed. Write as a teletext signal. When the updating / writing of all the data of the first reception target channel is completed (ST7), the above-mentioned updating / writing is performed by sequentially switching to the next target channel (ST8 / NO, ST9 to ST7). The update / write of the last target channel is completed (ST8: YES), and the update / write mode is released. In this embodiment, the data for one day before is updated and written, but every day, all data for seven days from Sunday to Saturday is updated with the data of the TV program information broadcast on the day. -It may be written.

FIG. 6 is a flow chart showing the operation of screen display of the data stored in the data memory 9. The remote controller 3 is provided with operation keys such as “display”, “day of the week”, “page”, and “end”. Now, when the display key of the remote controller 3 is operated, the remote control signal by the operation is received by the input unit 14. The CPU 16 detects the input signal and sets the display mode. First, the day of the week is determined based on the date data output from the clock unit 13, the data memory 9 is searched, and the data of the same day, 1 page is read and displayed. A display signal is output to the monitor 2 via the control unit 11 (ST11). Wait for the input of the "day of the week" or "page" key (ST12). If there is the same input (ST12, YES), the data of the designated day / page is stored in the data memory 9
It is read out and converted into a display signal and output (ST13). Then, the input of the end key is detected (ST14, YES) to cancel the display mode. Also, the above-mentioned display screen can be printed by the connected printer by operating a key such as “print” on the remote controller.

The teletext receiver main body 1 may be a built-in television type in which the tuner 5 is commonly used by incorporating it into the television receiver, or may be an adapter type.

[0012]

As described above, in the teletext receiver according to the present invention, the program of the TV program information is extracted from the teletext of each channel, and the TV program of each broadcasting station is set for each day of the week and each time period. Is edited into a comprehensive program guide and one week's worth of data is stored, and any day of the week and its page are selected by the key operation of the remote controller and displayed on the connection monitor screen. Therefore, the program information of each channel can be confirmed directly by the program guide on the monitor screen without depending on the TV program section of the newspaper / information magazine. Furthermore, if a printer is connected, the display screen can be printed out and left as a TV program guide.

[Brief description of drawings]

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

FIG. 2 is an example of a display screen of television program information by teletext.

FIG. 3 is an explanatory diagram of a data memory that stores television program data.

FIG. 4 is an example of a display screen of television program data stored in a data memory.

FIG. 5: Update of TV program data stored in data memory
6 is a flowchart showing a writing operation.

FIG. 6 is a flowchart showing an operation of screen display.

[Explanation of symbols]

 1 Teletext receiver body 2 Monitor 3 Remote controller 4 Antenna 5 Tuner 6 Channel selection section 7 Extraction section 8 Work RAM 9 Data memory 10 Character generator 11 Display control section 12 Registration memory 13 Clock section 14 Input section 15 Printer control section 16 CPU 17 Bus line 18 Program ROM

Claims (3)

[Claims] 1. A data extracting unit for extracting a teletext signal from an inputted TV broadcasting signal, a control unit for controlling storage, retrieval, reading and the like of received data output by the data extracting unit, and a read data for the television. In a teletext receiver equipped with a display control unit for converting into a signal to be displayed on the screen, a memory in which teletext program numbers of TV program information and the like are registered, and the TV program information from the teletext of each channel by the same program number. A character broadcast comprising a data memory for storing extracted TV program data, a clock unit for outputting date / time data, and an input unit for instructing a screen display of the TV program data. Receiving machine. 2. The data memory sets a memory area for each day of the week and for each time slot of the same day of the week, stores TV program data of each channel in a corresponding area, and stores the data from the data stored in the data memory. The teletext receiver according to claim 1, wherein the data of the day of the week and the time zone selected by operating the keys of the input section is converted into a signal for screen display and output. 3. The teletext receiver according to claim 2, wherein the data stored in the data memory is updated every day in a predetermined time zone based on the date / time data output from the clock unit.