JPH05284481A - Teletext receiver - Google Patents

Abstract

PURPOSE:To edit data of teletext television program information and to make video recording reservation/confirmation/cancellation. CONSTITUTION:Data of television program information are extracted from a teletext signal of each channel and stored in a data memory 10 whose area is set for each weekday and each genre and the data are revised every day. A television program list for a desired weekday/genre is read from the data memory 10 by key operation of a remote controller 3 and displayed on a monitor 2, and program data selected by a cursor are stored by a reservation memory 11 for video recording reservation. The data of the reservation memory 11 are displayed by key operation of the remote controller 3 and the storage of the television program data selected by a cursor is cancelled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a teletext receiver, which stores all television program data of each channel in a memory by using teletext television program information, displays the television program data on a monitor screen, and displays it on a VTR. Regarding things to make recording reservations for.

[0002]

2. Description of the Related Art Conventionally, for reservation of recording of a TV program on a VTR, a program to be recorded is selected by a TV program column of a newspaper, and data such as a reservation channel, date, start / end time of recording is stored in the VTR main body. The input is made while interacting with the display or the screen of the TV, which is a very troublesome operation for the general audience. As a measure against such a problem, there is a method in which the data of the recording reservation is represented by a bar code, and the reservation is set by reading it with a scanner, and the bar code is posted and used in TV program information magazines. .. However, since a certain space is required to display the bar code, only a part of the program can be posted, and a special scanner is required, which results in high cost, and thus has not been widely used. In particular, recording reservations for several days have to be done by TV program information magazines, and it was even more difficult to set pages by recording information magazines and making a memorandum of desired programs.

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 point, and a program of TV program information is extracted from a character broadcast of each channel, and a TV of each channel is set for each day of the week and for each program genre. The program data is edited into a program table and stored in the memory, the program data of the desired day of the week / genre is read by operating the keys on the remote control etc. and displayed on the monitor screen. Store in memory and schedule recording of VTR,
It is intended to provide a teletext receiver in which the reservation data is displayed on a monitor screen and the TV program data indicated by the cursor can be canceled.

[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 that stores TV program data by extracting TV program information from the character broadcasting of each channel by the same program number, a reservation memory that stores the recording reserved program data selected from the data stored in the same data memory, and the date and time. , A clock unit for outputting the data of the TV program, an input unit for instructing the display, selection and recording reservation of the TV program data, and a control signal for the connected VTR. There is provided a teletext receiver comprising; and a TR control unit.

[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. In the same data memory, a memory area is set for each day of the week and for each program genre, all TV program data is edited and stored in a program table, and the stored data is updated every predetermined time every day. Select TV program data of the desired day of the week and program genre by key operation on the remote control and display it on the monitor screen,
The TV program data indicated by the cursor is stored in the memory for recording reservation, and the VTR for connection is controlled based on the reservation data. Further, the reserved program data is displayed on the monitor screen by operating the keys of the remote controller, and the storage of the TV program data indicated by the cursor is canceled.

[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, 1 is a teletext receiver main body, 2 is a monitor that displays received data, 3 is a remote controller that outputs a remote control signal corresponding to a user's key operation, and 4 is a connected VTR. 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 section 7 and converts it into a video signal for output. A data sampling unit 8 separates the superimposed character broadcast signal at a predetermined position in the vertical blanking period from the video signal and outputs the error-corrected character signal. Reference numeral 9 is a work RAM for temporarily storing the character signal output from the data sampling unit 7, 10 is a data memory of the TV program for storing the TV program data from the character broadcasting signals of all the designated channels, and 11 is the TV program data for the recording reservation. Reserved memory to be stored, 12 is a character generator that decodes the character signal into character data of the corresponding screen display using the code of the same character signal as an address, and 13 is a display that displays the decoded character data on the screen of the monitor 2. A display control unit that converts and outputs the signal, 14 is a registration memory that registers data such as the number of a TV channel to be received, a teletext program number of TV program information, 15 is a clock unit that outputs date / time data, 16 Reference numeral 17 is an input section for receiving and detecting a remote control signal input from the remote controller 3. Reference numeral 17 is a control signal of a predetermined format for instructing recording based on the recording reserved program data stored in the memory 11. Which is a VTR control section for outputting the VTR 4.
Reference numeral 18 denotes a CPU (central processing unit), which is connected to each of the above parts via a bus line 19 and controls related parts such as data write / search / read control according to a program loaded in the program ROM 20.

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, the teletext television program information includes at least the station name, date, program genre, title, start / end time, etc. The data is composed by a predetermined screen display standard with a character code or identification code, and the program number of the character broadcast is set on each day of the week as one program for one day, and the television program data for one week including the current day is set for each channel. Broadcast more. Also, the registration memory 14 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 14. Further, in the data memory 10 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 program genre of the same day as shown in FIG. FIG. 3 is an example of a display screen of the television program data stored in the data memory 10, and FIG. 4 is an example of a display screen of the recording reserved program table stored in the reservation memory 11.

Next, the operation of updating / writing the television program data stored in the data memory 10 will be described with reference to the flowchart of FIG. When the time data output from the clock unit 15 reaches the set time for updating / writing, the CPU 18 (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, the 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 discriminated based on the output date data, and the program number corresponding to Saturday is read from the registration memory 14 (ST4). Then, the first channel number to be received from the registration memory 14 is read out, and the tuning unit 7 is instructed to convert and output the tuning signal of the same channel, and the tuner 6 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 is compared with the program number corresponding to the Saturday, and if coincident, the data of all pages of the program are temporarily stored in the work RAM 9. Store (ST6). Next, the data stored in the work RAM 9 is obtained by decoding the day of the week by the program number and the genre identification code of the data body, and storing the old data in a predetermined storage area of the data memory 10, that is, the area of the corresponding genre on Saturday. Are written while sequentially updating. At the time of this writing, a data header for each day of the week is first added, then the first line of the text is a headline, and data such as a channel number is added to the TV program data text, and a display screen as shown in FIG. 3 is displayed. It is written as a teletext signal of a predetermined format. When updating / writing of all data of the first receiving target channel is completed (ST7), switching to the next target channel sequentially and updating / rewriting as described above, respectively.
Write (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 recording reservation. For example, "reservation", "day of the week /
It is provided with operation keys such as page turning, cursor movement, setting, and end. Now, when the reservation key of the remote controller 3 is operated, the remote control signal by the operation is received by the input unit 16. The CPU 18 detects an input signal to enter the reservation mode, first determines the day of the week based on the date data output from the clock unit 15, searches the data memory 10 and reads the data of the same day, one page, and displays the data. A display signal is output to the monitor 2 via the control unit 13 (ST11). Wait for the input of the "day / page" key (ST12), and if there is such input (ST12, YES), the data of the specified day / page is read from the data memory 10 and converted into a display signal and output (ST13). , Is displayed on the monitor 2 as shown in FIG. In the figure, the cursor is displayed by changing the background color of the display position. Next, the cursor key input is awaited (ST14), and if there is the same input (ST14, YES), the display cursor is moved to the top and bottom of the screen according to the designation (ST15). Next, the input of the setting key is detected (ST16, YES), the TV program data indicated by the cursor is searched and read from the data memory 10, and the TV program data is written and stored in the reserved memory 11 (ST17). At the time of writing, data such as a data header is added first, and then data such as a headline is added to the first line of the text, and the data is written as a teletext signal of a predetermined format for displaying a display screen as shown in FIG. 4, for example. The program reservation operation described above is repeated, and the input of the end key is detected (ST18, YES) to cancel the reservation mode.

The CPU 18 checks the reserved program data stored in the reservation memory 11 described above, that is, the channel number, the date and the start / end time data, and the date and time data output from the clock section 15, and if they match, a predetermined format is obtained. Is sent to the connected VTR 4 to instruct recording of the reserved program. The control signal may be sent to the VTR 4 by using a signal cable or infrared rays.

FIG. 7 is a flow chart showing the operation of checking / cancelling a reserved program. The remote controller 3 is provided with operation keys such as "confirm", "page", "cursor" movement, "cancel", and "end". Now, when the confirmation key of the remote controller 3 is operated, the remote control signal by the operation is received by the input unit 16. The CPU 18 detects the input signal and confirms it.
The cancel mode is set, the data in the reserved memory 11 is read, and the display signal is output to the monitor 2 via the display control unit 13 (ST
twenty one). Wait for page key input, if there is input (ST22, YES)
The specified page data is converted into a display signal and output (ST23) and displayed on the monitor 2 as shown in FIG. In the figure, the cursor is displayed by changing the background color of the display position. Next, wait for the cursor key input, and if there is the same input (ST24, YES), move the cursor up and down the screen according to the specification (ST25). Next, by detecting the input of the cancel key (ST26, YES), the TV program data indicated by the cursor is retrieved from the reservation memory 11 and the TV program data is erased (ST27). And
Detect the end key input (ST28, YES) to cancel the confirmation / cancellation mode.

The teletext receiver main body 1 may be a built-in television type in which the tuner 6 is commonly used by being built in the television receiver, or may be an adapter type. It can also be built into the VTR and used by connecting to a television receiver.

[0014]

As described above, in the teletext receiver according to the present invention, the TV program information program 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 for each genre. Was edited to store data for one week, and an arbitrary day of the week and its genre were selected by a key operation of the remote controller and displayed on the connection monitor screen. Therefore, the program information of each channel can be confirmed directly on the monitor screen, and a desired program can be selected by the cursor operation to make a recording reservation. Further, management such as confirmation and cancellation of reserved programs can be performed on the monitor screen.

[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 explanatory diagram of a data memory that stores television program data.

FIG. 3 is an example of a display screen of television program data stored in a data memory.

FIG. 4 is an example of a display screen of a recording reservation program guide stored in a reservation 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 a recording reservation operation.

FIG. 7 is a flowchart showing an operation of confirming / cancelling a reserved program.

[Explanation of symbols]

 1 Teletext receiver body 2 Monitor 3 Remote control 4 VTR 5 Antenna 6 Tuner 7 Tuning section 8 Extraction section 9 Work RAM 10 Data memory 11 Reserved memory 12 Character generator 13 Display control section 14 Registration memory 15 Clock section 16 Input section 17 VTR controller 18 CPU 19 Bus line 20 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 data memory for storing extracted TV program data, a reserved memory for storing recording reserved program data selected from the data stored in the data memory, a clock unit for outputting date / time data, a display of TV program data, A character release characterized by comprising an input section for instructing selection and recording reservation, and a VTR control section for outputting a control signal to a connected VTR. Transceiver. 2. The data memory sets a memory area for each day of the week and for each program genre to store television program data of each channel in a corresponding area, and the key operation of the input section is performed based on the data stored in the data memory. The data selected by is converted into a display signal and output, and the TV program data indicated by the cursor is searched from the data memory, the TV program data is stored in the reserved memory, and the VT is displayed.
The teletext receiver according to claim 1, wherein R recording reservation is made. 3. The reserved program data stored in the reserved memory is converted into a display signal by a key operation of the input unit, and the TV program data indicated by a cursor is searched from the reserved memory to obtain the TV program data. The teletext receiver according to claim 1 or 2, wherein reservation cancellation is possible.