JPH0326186A - Teletext receiver - Google Patents

Abstract

PURPOSE:To confirm the situation to be changed any minute of the specific program of a teletext by, at the time of updating the teletext data of the same number to be successively received, switching the switch of a signal to be outputted and outputting the display signal of the above teletext data to be outputted with a display signal control part. CONSTITUTION:A CPU 8a registers the program number and page number of the teletext designated by the operation of a remote controller 14 or key input part 13 into the second prescribed area of a RAM 8c beforehand. The page to register the program to be registered from the teletext data to be successively received is retrieved, and the existence/absence of the updating of the contents of the page is detected by an updating flag contained in the data of the data. When the updating exists in the data of the above-mentioned page to be registered, the teletext data of the page are converted to a display signal 6a. An output switch 7 is switched, the signal 6a is outputted for a prescribed time as a video signal 3, and thereafter, a condition is returned to the condition before the output switch 7 is switched.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a teletext receiver that temporarily displays a designated teletext program while viewing a television broadcast.

[Conventional technology]

Conventional teletext receivers switch and output only either the video signal of the television broadcast or the display signal of the teletext broadcast, and the display can only be performed by a print command from the remote controller or key input unit. The image data inside was converted into a print signal and output to a printer.

[Problem to be solved by the invention]

The ever-changing situation regarding the content of a specific page of a specific teletext program, such as traffic information on a specific road or stock price information for a specific stock, may require continuous monitoring and viewing of the program for a long period of time. or by other means.

The present invention provides a means for obtaining the ever-changing status of the contents of a specific page of a specific teletext program using a teletext receiver. [Means for Solving the Problems] Programs and page numbers of teletext broadcasts are registered in advance in a second predetermined area of the control unit RAM by key operations on a remote controller or a key input unit, and the numbers of teletext programs and pages are sequentially received. When updating the teletext data of the number, the switch for the signal to be output is changed, the display signal of the same teletext data output by the display signal control section is output, and after a predetermined period of time, the output switch is returned to the state before switching the switch. return.

Also, when updating the sequentially received teletext data of the program and page number registered in advance in the second predetermined area of the RAM, the same data is converted into a print signal and output to the printer. [Function] Teletext signal separation unit 5 separates the teletext signal inserted into the input TV/L/V broadcast signal, outputs the teletext data that has been subjected to error correction processing, and the CPU 8a that reads the teletext data reads the teletext signal in the order in which it was received. The data is stored in a first predetermined area of the RAM 8c.

The CPU 8a is connected to the remote controller 14 or the key input unit 1.
Read the operation command from 3. , the specified teletext data is searched and read out from the first predetermined area of the RAM 8c, and transferred to the display signal control unit 6, which then outputs a signal 6a for displaying the input teletext data on the television screen. Convert and output.

In response to a print command from the remote controller 14 or the key input unit l3, the CPU 8a converts the data on the display screen at the time the command is detected into a print signal and outputs it to the printer 4.

The CPU 8a is connected to the remote controller 14 or the key input unit 1.
The block number and page number of the teletext broadcast specified by the operation in step 3 are registered in advance in the second predetermined area of the RAM 8c. 78a searches the registered page of the registered program from the sequentially received teletext data, and detects whether or not the contents of the same page have been updated using the update flag included in the data of the same page.

When the data of the registered page of the registered program of the received teletext data is updated, the teletext data of the same page is converted to the display signal 6a, the output switch 7 is switched, and the signal 6a is used as the video signal 3. After outputting for a predetermined period of time, the output switch 7 is returned to the state before switching.

Further, when there is an update in the sequentially received teletext data of the introduction number and page number registered in advance in the second predetermined area of the RAM 8c, the same data is converted into a print signal and output to the printer 4.

〔Example〕

To explain one embodiment of the present invention, a teletext receiver I is connected to a television receiver, a video signal 2 branched out from the receiver is inputted to the receiver 1, and the video signal 2 is inserted into the signal 2 and sent. The received teletext signal is separated by the teletext signal separator 5, the code errors of the separated data are corrected, and then the control microcomputer performs 2. (: p UΣ
{Convert 1, 7 into a data format that can be handled by a, and output to the internal bus 11.

C P T. ) 8a. ．． A ROM 8b that stores the operating procedure of the CPU 8a and a RAM 8c that stores and stores the teletext data output from the teletext signal separation section 5 are connected via an internal bus 11, and the teletext signal separation section 5 is connected to the same bus 11. The output teletext day/evening is CPυ8a as above R.
The information is sequentially stored in a first predetermined area within AMBc.

The CPU 8a reads and decodes the operation command inputted from the remote control signal receiving section 12 or the key input section 3 via the manual port IO connected to the internal bus 11, and according to the decoding result, the operation command is read by the CPU 8a. The teletext data stored in the first predetermined area in the M FIc is retrieved, the data is transferred to the display control unit 6 connected to the internal bus l1, and the control unit 6 displays it on the TV screen. The received signal is converted into a display signal 6a in a format that can be displayed and output. The 2-output switch 7 selects either the video signal 2 manually input to the teletext receiver 1 or the display signal 6a output from the display signal control section 6 according to the control command of the C:PU 8a, and outputs the video signal 3.
A television receiver inputting the same video signal 3 displays the image of the television broadcast or the text and pictures of the teletext broadcast on the screen. The teletext text and pictures displayed on the TV screen are
It is updated by teletext data sent sequentially,
In response to a print command input from the remote control signal receiving unit l2 or the key input unit 13, the CPU 8a reads the command and stores it in a first predetermined area in RAMSc corresponding to the screen information displayed on the TV screen at the time of decoding. The CPU 8a converts the teletext data into a print signal, outputs it to the printer 4 attached to the teletext receiver 1 via the printer interface 9, and outputs it as printed information from the printer 4. The program number and page number of the teletext specified by the key operation of the remote controller 14 or the key input unit 13 are registered in advance in a second predetermined area separated from the first predetermined area in which the received teletext data of the RAM 8c is stored. I'll keep it.

The CPtJ8a sequentially stores the teletext data sequentially received and output by the teletext signal separation unit 5 in a first predetermined area of the RAM 8c, and stores the teletext data of the registered page of the registered program in a second predetermined area of the RAM 8c. Search for.

The CPU 8a checks the update flag indicating whether or not the content of the registered program and summer number teletext data that is received sequentially is updated, and if there is an update to the data, the CPU 8a displays the same data. The signal controller 6 converts it into a display signal 6a, and the output switch 7 is switched to output the display signal 6a as a video signal 3.

In this embodiment, the update flag of the teletext data is checked, but the teletext data of the registered program and page number can be displayed temporarily each time it is received without checking the flag.

Under the control of the CPU 8a, the output switch 7 outputs the display signal 6a of the updated teletext data on the registration page of the registered program for a predetermined period of time, and then returns to the state before passing the display signal 6a. The procedure for reading received data and confirming updates described above is shown in the flowchart in Figure 2. As described above, even when viewing a television broadcast, when the teletext data that is sequentially received for programs and pages registered in advance in the second predetermined area of the RAM 8c is updated, the same data of the teletext is temporarily displayed and the necessary data is displayed. You can get information.

Furthermore, when updating teletext data that is sequentially received with registered programs and page numbers, the teletext data on the same page can be converted into a print signal and output to the printer 4 via the printer interface 7. In addition to temporarily outputting the display signal 6a as the video signal 3 as described in the previous section, it is also possible to output the print signal to the printer 4.

Furthermore, in a television receiver incorporating the teletext receiver of the present invention, in addition to temporarily displaying the registered program and page teletext while viewing the television broadcast, the television broadcast tuner section and the teletext reception section can also be used. By activating the television receiver, even if the television receiver is in a standby state in which no television broadcasts are being viewed, the television receiver can be activated and the above effects can be obtained.

As mentioned above, while you are watching a TV broadcast, you can temporarily view a part of the teletext broadcast that you want, but you can cancel the interrupt display function on the TV screen by operating the remote control or key input unit. It is also possible to activate only printout on the printer.

〔Effect of the invention〕

Changes in the information on a specific page of a specific teletext program can be checked every time the content of the specified page of the specified program is updated, even if you are watching the TV broadcast without monitoring and viewing the same program for a long time. This allows you to know how the stock price of a particular stock changes from moment to moment.

Furthermore, by printing out the contents of the designated page, necessary information can be output without interfering with viewing the television broadcast.

[Brief explanation of drawings]

FIG. 1 is a block diagram of the teletext receiver of the present invention, and FIG. 2 is a flowchart when reading received data. In the figure, 1 is a teletext receiver, 2 and 3 are video signals, and 4 is a teletext receiver.
is a printer, 5 is a teletext signal separation unit, 6 is a display signal control unit, 6a is a display signal, 7 is an output switch, 8 is a control unit, 8a is a CPU in the same, 8b is a ROM in the same, 8c is in the same 9 is a printer interface, 10 is an input port, 11 is an internal bus, 12 is a remote control signal receiving section,
13 is a key input section, and 14 is a remote controller.

Claims (3)

[Claims] (1) Control consisting of a teletext signal separation unit that separates the teletext signal from the received television broadcast signal, a CPU, ROM, and RAM, and controls storage, search, and reading of the teletext data output by the separation unit. a display signal control section that converts the teletext data supplied by the control section into a display signal to be displayed on a television screen; and a display signal control section that converts the teletext data supplied by the control section into a display signal to be displayed on a television screen, and an operation command output from a remote control operation device or key input section via a remote control signal reception section. and an input port for reading and outputting a control command to the control unit, wherein the R
In addition to storing the teletext data received in AM, the program and page numbers of the teletext broadcast are stored in advance using the remote controller or the key input unit, and when the teletext data of the same number that is received sequentially is updated, the teletext data is input. What is claimed is: 1. A teletext receiver, characterized in that the teletext receiver outputs the teletext display signal for a predetermined period of time by switching an output switch for selecting a television broadcast signal or a display signal output by a display signal control section. (2) When updating the sequentially received teletext data of the pre-registered program and page number, the same data is converted into a print signal and output to the printer.
) teletext receiver. (3) A television receiver characterized by incorporating the teletext receiving section according to claim (1) or (2).