JPH05284477A - Television receiver - Google Patents

Abstract

PURPOSE:To superimpose information of a received program onto a television screen by using television program information by a teletext. CONSTITUTION:In the television receiver provided with a teletext reception function, a program of television program information is extracted from a teletext signal of each channel and television program data are stored in a memory 6, and when a remote control commander 9 is used to operate a key of 'channel selection' or 'channel display', the memory 6 is retrieved based on a channel number of a received program and data of a current time outputted from a clock section 7 and relevant television program data are extracted by the retrieval of the memory 6 and a character code for a program title/broadcast time or the like is read from the program data and the code is superimposed on a prescribed position of the television screen for a prescribed 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 having a teletext reception function, and extracts television program information from a teletext signal of each channel to store program data in a memory and use the data. It is related to what superimposes the information of the received program on the TV screen.

[0002]

2. Description of the Related Art Conventionally, as a means for confirming a channel of a received program when a channel of a television is selected or a program is being viewed, "CH display is automatically performed when the channel is selected. The key numbers on the remote control, such as "," were used to indicate the channel number by super-displaying it in the upper right corner of the screen. However, there is a problem that information such as the title and broadcast time of the program cannot be understood only by this display, and for this reason, it is inconvenient to check it on the TV program section of the newspaper.

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 character broadcasting is provided, it is possible to identify the title of the program, the start and end times of the broadcasting, etc. by using the television program data.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and extracts a program of TV program information from a character broadcasting signal of each channel, stores TV program data in a memory, and By selecting a channel by the commander or operating a CH display key, the memory is searched to read the TV program data of the received program, and the program information such as the title and broadcast time is super-displayed on the TV screen by the program data. The present invention provides a television receiver.

[0005]

In order to solve the above problems, the present invention solves the above-mentioned problems by storing a data extracting section for extracting a character broadcast signal from an input television broadcast signal and storing and retrieving character data output by the data extracting section. In a television receiver which is provided with a control unit for controlling reading and reading, and a display control unit for converting the reading data into a signal for screen display, and which is capable of receiving teletext, a tuning key, a CH display key, etc. A remote control commander provided, a memory for storing TV program data by extracting programs of TV program information from the character broadcasting signal of each channel, a clock unit for outputting date / time data, and a timer for measuring elapsed time. Is provided, and by key operation such as channel selection or CH display by the remote commander,
Based on the data of the channel number of the received program and the current time of the clock output, the memory is searched to read the corresponding TV program data, and the program information such as the title of the program and the broadcast time is read based on the TV program data. (EN) Provided is a television receiver which is super-displayed at a predetermined position on a television screen for a predetermined time.

[0006]

With the above construction, in the television receiver according to the present invention, the program of the television program information is extracted from the character broadcasting signal of each channel, the television program data is stored in the memory, and selected by the remote control commander. Station or CH
By key operation such as display, the memory is searched by the data of the channel number of the received program and the current time of the clock output, and the corresponding TV program data is read out and converted into a signal of the screen display to convert the received program of the received program. The title of the program, the broadcast time, etc. are super-displayed at a predetermined position on the TV screen.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a television 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 television receiver according to the present invention. In the figure, reference numeral 1 designates a television main body, which comprises a remote control receiving section, a tuner section having a channel selection function, a signal processing section, a display section and the like. 2 is a data sampling unit, which is the main body of the TV 1.
The superposed character signal is separated from the video signal of the branched output at a predetermined position in the vertical blanking period, and the error-corrected character signal is output. A control unit 3 is composed of a CPU, a program ROM, a memory, etc., stores and retrieves the character data output from the data extracting unit 2, and controls each related unit. A character generator 4 decodes a character signal into character data to be displayed on the screen using a character code as an address. A display control unit 5 converts the character data input from the control unit 3 into a display signal to be displayed on the TV screen, and outputs the display signal to the TV body 1 together with a control signal for super display. A memory 6 stores the television program data extracted from the character broadcast of each channel. A clock unit 7 outputs date / time data. 8
Is a timer for setting the time (for example, 5 seconds) for superimposing the program information on the TV screen. 9 is a remote control commander, provided with operation keys such as channel selection and CH display,
The corresponding key operation outputs the corresponding control signal.

Next, the television program information by teletext is
At least the station name, date, program genre, and
TV program data such as title, start / end time, etc. is composed by a predetermined screen display standard with a character code or identification code, and a program number is set for each day as one program for one day and broadcasted from each channel And

Next, regarding the operation of the television receiver according to the present invention, the data updating / writing operation of the memory 6 for storing the television program data and the super display of the program information using the television program data stored in the memory 6 are displayed. The operation will be described separately. (1) Updating / writing of television program data stored in the memory 6 At least two days of the current day and the next day are required to store the television program data, and a memory area corresponding to at least two days is set in the memory 6. In addition, all target channels are received every predetermined time period every day, and the stored data is updated / written. FIG. 2 is a flowchart showing an operation of updating / writing the television program data stored in the memory 6, which will be described with reference to the drawings. When the time data output from the clock unit 7 reaches the set time for updating / writing (ST1, YES), the control unit 3 checks whether or not it is being viewed, and confirms that it is not being viewed (ST
(2, NO), update / write mode is set, and the control procedure from ST3 is executed. The control unit 3 instructs the channel selection signal generation unit 8 to send out the channel selection signal of the first target channel to transmit the channel data to the television main body 1
Switch the channel (ST4), and wait for the input of the character signal from the data capturing section 2. The TV program data to be extracted by the program number is extracted from the input character signal, and the old data is sequentially updated and written in a predetermined area of the memory 6. When the updating / writing of the first channel is completed (ST5), the above-mentioned updating / writing is performed by sequentially switching to the next target channel (ST6, NO, ST7 to ST5). The updating / writing of the last target channel is completed (ST6, YES), and the extraction / storage mode is canceled.

(2) Super display of program information by TV program data FIG. 3 is a flowchart showing the operation of channel selection by program genre, which will be described with reference to the drawings. Now, when you operate the "tune" or "CH display" key on the remote control commander 9 to output the remote control signal, the TV main unit 1 receives it (ST11) and selects "tune" or "CH display". It is determined whether it is a control signal (ST12). "Channel selection" or "CH display"
Otherwise (ST12, NO) general processing (ST13), if it is a control signal of "channel selection" or "CH display", a control signal of program information display is output to the control unit 3. Upon receiving the control signal, the control unit 3 sets the program information super display mode (ST14),
Execute the control procedure after ST15. The control unit 3 uses the timer 8
Is set, the television main body 1 is checked, the reception channel number is read, and the current time data output from the clock unit 7 is read (ST15). Then, the TV program data stored in the memory 6 is sequentially searched based on the data of the same channel number and the current time (ST16, ST17), and the TV program data in which the data of the channel number and the broadcast time match, that is, the current broadcast / reception The program data in the program is extracted, and the character code of the program title, broadcast time, etc. is read from the program data (ST18). Next, the control unit 3 accesses the character generation unit 4 with a character code such as a channel number, a program title, and a broadcast time, decodes the character data into screen display data, and displays the same character data in a predetermined area of the display screen. In order to do so, it outputs to the display control unit 5. The display control unit 5 converts the input character data into a display signal and outputs the display signal together with the super-display control signal, and the television body 1 super-displays the program information at a predetermined display position (ST19). The control unit 3 checks whether the data of the set timer 8 has become 0, continues displaying until it becomes 0 (ST20, NO), and when it becomes 0 (ST20, YES), terminates the super display mode and returns to normal. Return to the TV screen.

In the present embodiment, the configuration has been described with respect to the television receiver which has the teletext receiving function, but it is constructed by the system in which the teletext receiver and the television receiver having the above-mentioned functions are combined. However, the function according to the present invention can be realized.

[0012]

As described above, in the television receiver according to the present invention, the program of the television program information is extracted from the character broadcast of each channel, the television program data is stored in the memory, and the remote control commander is used. When a key such as channel selection or CH display is operated, the television program data being received is read from the memory, and the program information is super-displayed on the television screen by the program data. Therefore, the title, broadcast time, etc. of the program being viewed can be easily known without checking the TV program section of the newspaper.

[Brief description of drawings]

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

FIG. 2 is a flowchart showing an operation of updating / writing television program data stored in a memory 6.

FIG. 3 is a flowchart showing an operation of super-display of program information by TV program data.

[Explanation of symbols]

 1 TV Main Body 2 Data Extraction Section 3 Control Section 4 Character Generation Section 5 Display Control Section 6 Memory 7 Clock Section 8 Timer 9 Remote Commander

Claims (1)

[Claims] 1. A data sampling section for extracting a teletext signal from an input television broadcasting signal, a control section for controlling storage, search and reading of received data output by the data sampling section, and a screen for displaying the read data. A television receiver provided with a display control unit for converting into a display signal so as to receive a teletext, a remote control commander provided with a tuning key, a CH display key, etc., and a telecast signal from each channel to a television. A memory for storing the TV program data by extracting the program of the program information, a clock unit for outputting the date / time data, and a timer for measuring the elapsed time are provided, and the remote controller / commander selects a channel or displays a CH. Key operation,
Based on the data of the channel number of the received program and the current time of the clock output, the memory is searched to read the corresponding TV program data, and the program information such as the title of the program and the broadcast time is read based on the TV program data. A television receiver characterized in that a super display is made at a predetermined position on a TV screen for a predetermined time.