JPH067378U - Teletext receiver - Google Patents

Abstract

(57) [Summary] [Purpose] Automatically update scheduled recording program data using a TV program guide by teletext. [Configuration] A TV program guide is extracted from a teletext signal and stored in a data memory 9. The TV program guide is displayed on the screen of the monitor 2 and a desired TV program is selected by a cursor or the like.
It is stored in the reservation memory 10 and recording is reserved. When the control signal based on the program data of the recording reservation is sent to the connected VTR 4, the latest TV program guide is extracted from the teletext signal and the TV program guide of the data memory 9 is updated. The recording reserved program data in the reservation memory 10 is updated, and the VT is controlled by the VTR controller 15 based on the updated data.
Send a control signal to R4.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a teletext receiver that extracts TV program information from a teletext signal of each channel and automatically changes the recording reservation of a VTR by using the TV program information.

[0002]

[Prior art]

 In the case of television broadcasting, for example, live broadcasting of baseball, the broadcasting programs are often canceled or changed due to weather conditions, and the time of subsequent programs is often changed due to the extension of the live broadcasting. Therefore, when making a recording reservation for these programs by VTR, there is no choice but to set in advance when there is a change in advance, which is not only a time-consuming task for the viewer but also a time-consuming task. There was a problem that the intended recording would fail in the case of changes. In addition, special programs were suddenly planned, and as a result, the contents of the scheduled recording were different from the intended one.

On the other hand, in teletext, various channels, such as news, weather forecasts, stock information, and supplementation of television programs by subtitle supermarkets, etc., are currently being performed on each channel. This teletext is a system that broadcasts by superimposing character / graphic data on a part of the vertical blanking period of the TV video signal, and data such as characters / alphanumerics / symbols are coded and sent. There is. Therefore, in teletext, if a specific character / number on the display screen of the character signal is designated by cursor display, etc., the teletext receiver can decode the code of the designated character / number to identify and identify the content. . That is, when the service of the TV program information by teletext is provided, the TV program data can be used to identify the channel of the program, the broadcast date, the start and end times, etc. by the receiver.

[0004]

[Problems to be solved by the device]

 The present invention has been made in view of such a point. A TV program guide is extracted from a teletext signal and stored in a data memory, and a desired TV program is selected from the data memory and stored in a reservation memory. When sending a control signal based on a recording reservation to a VRT in a teletext receiver set to make a recording reservation, the latest TV program guide is extracted from the teletext signal, the reserved program data is checked, and the change is made. If there is a change, the teletext receiver that sends the control signal to the VRT with the changed data is provided.

[0005]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention extracts and stores data of a TV program table from a data extracting unit that extracts a character transmission signal from an input TV broadcast signal and received data output from the data extracting unit. A data memory, a reservation memory for storing the recording reservation program data selected from the data of the TV program guide, a VTR control unit for generating and outputting a control signal to the connected VTR, a storage, retrieval and reading of the reception data In a teletext receiver that is equipped with a control unit for controlling and makes a recording reservation of a connected VTR by using a television program table by a teletext, when transmitting a control signal for recording to a connected VTR, The TV program guide in the data memory is updated with the received data output by the data sampling unit, and the recording in the reserved memory storage is performed based on the updated TV program guide. Reservation program data to update is also to provide a teletext receiver which is adapted to deliver a control signal from the previous serial VTR control unit at the same update recording reservation program data.

[0006]

[Action]

 With the above-mentioned configuration, in the teletext receiver according to the present invention, the TV program guide is extracted from the teletext and stored in the data memory, and the desired TV program is selected from the TV program guide in the data memory. Select and store in the reservation memory to schedule recording of the connected VTR. When the control signal based on the program data of the recording reservation is sent to the VRT, the latest TV program guide is extracted from the teletext signal and the TV program guide in the data memory is updated. The recording reserved program data in the memory is updated, and a control signal is sent to the connected VTR based on the updated recording reserved program data. Also, when a reserved TV program is canceled, the reservation is automatically canceled.

[0007]

【Example】

 Hereinafter, embodiments of a teletext receiver according to the present invention will be described 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 remote controller for outputting 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 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 data memory for storing the TV program table extracted from the teletext signal, 10 is the TV program data of the recording reservation selected from the TV program table stored in the data memory 9, that is, the broadcast date, start / end time, program Reserved memory that stores titles, channel numbers, etc., 11 is a character generator that decodes a character signal into corresponding character data on the screen display using the code of the same character signal as an address, and 12 is a monitor 2 for the decoded character data. The display control unit that converts and outputs the display signal to be displayed on the screen of, the clock unit that outputs the date and time data, the input unit that detects the remote control signal input from the remote control 3, and the reservation memory 10 Recording reservation of storage A VTR control unit that outputs a control signal of a predetermined format to the VTR 4 to instruct recording and the end of recording based on program data. Reference numeral 16 denotes a CPU (Central Processing Unit), which is connected to the above-mentioned respective parts through a bus line 17 and controls each related part such as data writing / searching / reading according to the program loaded in the program ROM 18.

Next, the operation of the teletext receiver according to the present invention configured as described above will be described. In order to enable a teletext receiver to recognize and identify a television program, the teletext TV program guide must include at least the television program data such as station name, date, start / end time, program title, etc. A code or identification code is used to compose a predetermined screen display standard. One program for one day is set for each day of the week, and the program number of the teletext is set to be broadcast from each channel. When the end time is changed, the broadcast is canceled, the program is changed, etc., the updated TV program data shall be broadcast each time. Then, the data of the television program table in the data memory 9 is extracted from the teletext signal output from the data extracting section 8 by the above program number, written and stored. At the time of recording reservation, the TV program table data stored in the data memory 9 is displayed on the screen of the monitor 2 through the character generator 11 and the display control unit 12 by the key operation of the remote controller 3 by the viewer, and the cursor is displayed. The desired TV program is specified at, and the data of the TV program is stored in the reservation memory 10 by key operation such as reservation setting.

Next, the operation of updating or canceling the reserved recording program data, which is performed when the control signal for recording to the VTR 4 is transmitted, will be described with reference to the flowchart of FIG. The CPU 16 checks the reservation memory 10 to see if there is reserved TV program data, and if there is reserved data (ST1, YES), checks the start time of broadcasting from the TV program data. For example, five minutes before the start of broadcasting (ST2, YES), the channel number is read from the television program data, and the tuning unit 7 is instructed to convert the channel into a tuning signal of the same channel and output the tuner 6 to the same channel. Switch to (ST3) and wait for input of character signal from the data sampling section 8. The target TV program guide is extracted from the series of input character signals by the program number, the TV program guide in the data memory 9 is updated, then the title of the program data is read from the reserved memory 10, and the same title is read. Is searched from the TV program table in the data memory 9 (ST4). If there is no matching title (ST5, NO), it is determined that the broadcast is stopped, the program data in the reservation memory is erased, and the reservation is canceled (ST6). If there is a matching title (ST5, YES), the broadcast start and end times are checked to see if there is any change (ST7). If there is no change in the broadcast start / end time (ST8, NO), the recording reservation setting data is processed as is, and if there is a change (ST8, YES), the broadcast start / end time of the TV program guide in the data memory 9 Then, the data in the reserved memory 10 is rewritten (ST9). Then, based on the updated data, the VTR controller 15 sends a control signal to the VTR 4 (ST10). In the present embodiment, the TV program guide is extracted from the teletext signal and the data of the reserved program is updated 5 minutes before the control signal is sent to the VTR 4 for recording. Alternatively, the TV program guides of all channels designated in advance may be extracted, and the program data in the data memory 9 and the reservation memory 10 may be updated as described above.

The teletext receiver body 1 may be a VTR built-in type incorporated in a VTR or an adaptor type. 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 or the like.

[0011]

[Effect of device]

 As described above, in the teletext receiver according to the present invention, the TV program table is extracted from the character broadcast signal and stored in the data memory, and the desired TV program is selected from the data memory and stored in the reserved memory. Make a recording reservation for the VTR that is stored and connected. When the control signal based on the program data for recording reservation is sent to the VRT, the latest TV program guide is extracted from the teletext signal and the recording reservation program data in the reservation memory is updated. A control signal is sent to the VTR of the connection based on the data. Therefore, it is possible to eliminate the trouble of reservation setting of predicting the stop or change of the broadcast in advance to make the recording reservation, and to prevent the loss of the recording or the wasteful recording which occurs due to the change of the broadcast time. The effect is that you can do it.

[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 a flowchart showing an operation of updating or canceling scheduled recording program data.

[Explanation of symbols]

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

Claims (2)

[Scope of utility model registration request] 1. A data extracting unit for extracting a teletext signal from an input TV broadcasting signal, a data memory for extracting and storing data of a TV program guide from received data output by the data extracting unit, and the TV program. A reservation memory for storing the recording reservation program data selected from the data in the table, a VTR control section for generating and outputting a control signal to the connected VTR,
In a teletext receiver that is provided with a control unit that controls storage, retrieval, reading, and the like of the received data, and makes a video recording reservation for the connected VTR by using a television program guide by teletext recording on the connected VTR. When sending the control signal for, the TV program guide in the data memory is updated with the received data output from the data extracting unit, and the recording reserved program data in the reservation memory is updated based on the updated TV program guide. The teletext receiver is characterized in that a control signal is transmitted from the VTR control section with the updated reserved recording program data. 2. When transmitting a control signal for recording to a connected VTR, the title of the recording reserved program in the reserved memory is searched from the updated TV program guide, and if there is no matching title, broadcast is performed. 2. The teletext receiver according to claim 1, wherein the reservation program data is automatically cleared and the reservation is canceled when it is judged that the reservation has been canceled.