JPH01311780A - Character broadcast monitoring recorder - Google Patents

Abstract

PURPOSE:To always grasp broadcasting status and to attain the recording/ controlling of broadcasting status hysteresis by providing a means to store and to display the newest program control data and a means to store and to batch output program control information hysteresis. CONSTITUTION:To a program transmitting status table 13, program control information is always stored every program number based on program control data obtained from the signal of character broadcasting. When the modification of adding, renewing, deleting and so on is practiced, it is noticed to a program transmitting status display processing part 15 immediately, and the renewing of a display content to a display part 17 is practiced. Besides, at the same time, all the renewing hysteresis of the program control information after broadcasting starts is stored to a program control information hysteresis table 14. When the broadcasting ends, a program control information hysteresis output processing part 16 batch outputs the program control information hysteresis from broadcasting starting stored in the above mentioned hysteresis table 14 to an external recording device 18 automatically.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a teletext monitoring and recording apparatus for monitoring and recording teletext broadcast conditions.

BACKGROUND OF THE INVENTION FIG. 2 shows a block diagram of a conventional teletext monitoring and recording apparatus. In FIG. 2, 21 is a packet data extractor that extracts packet data from a teletext signal, and 22 is a program management data extractor that extracts program management data and program index data from the packet data extracted by the packet data extractor 21. A program index data detection section 23 is a program management data/program index data processing section 24 that processes the program management data/program index data obtained from the data detection section 22;
25 is a programming information storage unit that stores programming information obtained from the program management data/program index data processing unit 23;
26 is a command human resource department that specifies display contents from the outside.
Reference numeral 27 designates a programming information display processing section that performs display processing based on the display content specified by the command input section, and 27 a display section.

In the conventional teletext monitoring and recording device configured as described above, the packet data extraction unit 21 extracts packet data from the received teletext signal, and the obtained superimposition H (character signal is multiplexed) is extracted from the received teletext signal. The horizontal scanning line number of the television signal, from the 10th H to the 18th H.
21st H1 273rd to 279th or 284th
The packet data extracted together with the H horizontal scanning line)) and the service identification code is passed to the program management data and program index data detection section 22, where the program management data and program index data are detected. The obtained program management data association program index data is passed to the program management data/program index data processing unit 23, where the status of the program transmission status is checked, and if there is an update to the transmission content, the updated program organization is The information is stored in the programming information storage section 24. Enter command! ! 1≦25
Accordingly, when an instruction to display programming information is given, the programming information display processing section 26 reads information necessary for display from the programming information storage section 24 and displays it on the display section 27 in the specified display method. do.

Problems to be Solved by the Invention However, in the above configuration, the display section 27 is always
Since the broadcast status of teletext is not displayed on the TV, in order to check the program being broadcast, it is necessary to enter a broadcast status display command from the command input section 25 each time to check. ,Furthermore, since the history of the broadcast status for the day is,also outputted by command operation, the operability is poor, and there is no,automatic fixed output of JFil history of the broadcast status.
The problem was that unmanned operation was not possible.

In view of these points, the present invention constantly displays the broadcasting status of teletext broadcasting so that the broadcasting status can be grasped and confirmed immediately, and also automatically outputs the daily broadcasting status history after the teletext broadcasting ends. Therefore, it is an object of the present invention to provide a teletext monitoring and recording device that can reliably manage recording conflicts of broadcast status history.

Means for Solving the Problems The present invention provides a program transmission status storage means that always stores the latest program management data, a program transmission status display processing means that always displays the program transmission status by referring to the previous means, and a broadcast A teletext broadcast characterized by comprising a program management information history storage means for storing all the history of program management information from the start of the program, and a program management information history output processing means for collectively outputting the contents of the number i11 management information history table. It is a monitoring and recording device.

According to the above-described configuration, the present invention always stores the latest program management information for each program number in the program transmission status storage means based on the program management data obtained from teletext signals,
When modifications such as additions, updates, Φ deletions, etc. are made, the program transmission status display processing means is immediately notified, the display contents are updated, and the program transmission status is always displayed in accordance with the broadcast. At the same time, the update history of program management information since the start of broadcasting is all stored in the program management information history storage means, and when the end of broadcasting is detected, the program management information history output processing means is notified, and the program management information from the start of broadcasting is notified. Automatically output information history all at once.

Embodiment FIG. 1 shows a block diagram of a teletext monitoring and recording apparatus in an embodiment of the present invention. In Figure 1, 11
12 is a packet data extraction unit 11 which extracts packet data from teletext signals; 12 is a packet data extraction unit 11;
13 is obtained from the program management data number rJl index data detection conflict determination unit 12 which detects and determines program management data and program index data from the extracted packet data. Iα
Program transmission status-list where new program management data is stored for each program number, 14 is program management data program index data detection/
a program management information history table that sequentially stores the program management data obtained from the determination unit 12; 15 is a program transmission status display processing unit that displays a list of currently broadcast program numbers, etc. based on the program transmission status list 13; Reference numeral 16 denotes a program management information history output processing unit that outputs the contents of the program management information history table from the start of broadcasting to an external recording device in a batch, 17 is a display unit, and 18 is an external recording device.

The operation of the teletext monitoring and recording apparatus of this embodiment configured as described above will be described below.

The hierarchy of the teletext signal is as shown in Figure 3, and the packet data extractor 1
1, the prefix part of the packet data obtained by separating the packet data from each superimposition H is detected to obtain a service identification code. The configuration of the brifix section is as shown in FIG. 4, and the transmission mode of the corresponding program can be determined from the service identification code. FIG. 5 shows the correspondence between service identification codes and transmission modes. The superimposed H-service identification code φ packet data thus obtained is passed to the program management data program index data detection and determination section 12. The program management data has a configuration as shown in FIG. 6, and the program management data program index data detection/determination section 12 checks the heading start code, information separation code, and data header parameters of the packet data. If each value matches that of the program management data, it is determined that the detected packet data is program management data, and the following processing is performed. The structure of the program transmission status list 13 is as shown in Figure 7, and the program transmission status -
Refer to the program management information history table final address column of the relevant program in list 13, and if previous program management information exists, use the obtained address to detect the corresponding record from the information in the program management information history table 14. , the content update flag of this is compared with the content update flag in the obtained packet data, and if the status is reversed, it is considered that the content has been updated, and the remaining contents of the program management information history table 14 having the configuration shown in FIG. The updated program management information is stored in the used area, the record linkage information in the table is set, and the content of the corresponding program in the program transmission status list 13 is also rewritten with the updated information. If the previous program management information does not exist, it is determined that the broadcast of a new program has started, and the program management data obtained in the corresponding program part of the program transmission status list 13 and the unused area of the program management information history table 14 is Stores the contents of. In addition, the program management data program index data detection fist determination unit 12 checks the heading start code number information separation code number data header parameters of the packet data, and if each value matches that of the program index data, it is detected. It determines that the packet data is program index data, and performs the following processing. A comparison test is performed between the program numbers set in the program index data and the program transmission status - program management information stored in table 13, and the program transmission status is compared to the program numbers set in the program index data. - If a program number for which program management information is stored in list 13 is detected, this program is considered to have finished broadcasting, and the program transmission status - program management information of the corresponding program in list 13 is deleted and the program Broadcast end information of the corresponding program is stored in the management information history table 14. When the contents of the program transmission status list 13 are updated, added, or deleted, the program management data program index data detection/judgment section 12 notifies the program transmission status display processing section 15 of the change in display contents.

When the program transmission status display processing unit 15 receives the display content update notification, it sequentially scans the program transmission status list 13 and sequentially displays only the programs for which program management information has been set on the display device 17. Display to. An example of the display screen is shown in FIG. At this time, if there is no program to be displayed, it is determined that the broadcast has ended, and an output notification is issued to the program management information history output processing section 16. The program management information history output processing unit 16 obtains the address where the first history information of the program management information history table 14 is stored from the program transmission status list 13, and thereafter obtains the address where the first history information in the program management information history table 14 is stored. The history information is sequentially read out from the memory and sequentially output to an external storage device 18 such as a floppy disk or a printer.

After the output is finished, the contents of the program transmission status list 13 and the program management information history table 14 are deleted. In this way, the contents of the program management information history table after the start of broadcasting are output all at once.

As described above, according to this embodiment, there is a program transmission status list that always stores the latest program management data, a program transmission status display processing section and a display section that always display the program transmission status based on this list, Also, by providing a program management information history table that stores all the history of program management information since the start of broadcasting, a program management information history output processing unit and an external recording device that outputs the contents of the program management information history table all at once, The broadcast status of teletext broadcasting is always displayed, allowing you to understand and confirm the broadcast status immediately, and the broadcast status history of the day is automatically output after the teletext broadcast ends to ensure that the broadcast status history is maintained. Record number management can be performed.

As described in detail, according to the present invention, it is possible to immediately grasp and confirm the broadcasting status, and also to reliably record and manage the broadcasting status history, which has great practical effects.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a teletext monitoring and recording device according to an embodiment of the present invention, FIG. 2 is a block diagram of a conventional teletext monitoring and recording device, FIG. 3 is a hierarchical diagram of character signals, and FIG.
/fix configuration diagram, FIG. 5 is an explanatory diagram of a service identification code table, FIG. 6 is an explanatory diagram of a program management data configuration diagram, FIG. 7 is an explanatory diagram of a program transmission status-list according to an embodiment of the present invention, and FIG. is the program tube 11 in the embodiment of the present invention! FIG. 9 is an explanatory diagram of the information whereabouts table, and FIG. 9 is an explanatory diagram of the teletext program transmission status-list display screen in the embodiment of the present invention. 11φ, pot bucket..., data extraction part, 1゜211
〇Program management data Program index data detection Sanban Ube, 13
- φφ program transmission status list, 14 - φ program management information history table % 1511 program transmission status display processing section, 16 @ φ program management information history output processing section, 17 I. - display section, 18
@611 external recording device, 21φ reference packet data extraction unit, 22#/contest program management data O program index data detection unit, 23φ/φ program management data/program index data processing unit, 24φ/0 program organization information storage unit, 25Φ・Contest command input section, 26.Contest program programming information display processing section, 27.
・Display section. Name of agent: Patent attorney Toshio Nakao, rv
N Figure 3 Ward Ward! The result
Figure 6I21 Figure 7 (y Figure 8)

Claims (1)

[Claims] A program transmission status storage means that always stores the latest program management data, a program transmission status display processing means that always displays the program transmission status, and a program management information history that stores all the history of program management information since the start of broadcasting. 1. A teletext monitoring and recording device comprising a storage means and a program management information history output processing means for collectively outputting the contents of a program management information history table.