JPS59165583A - Receiver for character multiplex broadcast - Google Patents
Receiver for character multiplex broadcastInfo
- Publication number
- JPS59165583A JPS59165583A JP3979583A JP3979583A JPS59165583A JP S59165583 A JPS59165583 A JP S59165583A JP 3979583 A JP3979583 A JP 3979583A JP 3979583 A JP3979583 A JP 3979583A JP S59165583 A JPS59165583 A JP S59165583A
- Authority
- JP
- Japan
- Prior art keywords
- page
- program
- multiplex broadcast
- memory
- waiting time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
- H04N7/0255—Display systems therefor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は文字多重放送受信装置に関し、特に視聴者が希
望した画面が表示されるまでの時間を表示するようにし
た装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a teletext broadcasting receiving device, and more particularly to a device that displays the time until a screen desired by a viewer is displayed.
文字多重放送には、例えば映像信号の各フィールドの垂
直帰線期間内における所定フレームの水平走置期間（例
えｌｌ１２０Ｈ及び２８３Ｈ）にデジタル文字情報が挿
入され、１つの番組当り２００フイールドの期間を単位
として、複数の番組が時分割で伝送される。そして、こ
の２００フイールドの期間に伝送されてくる情報、即ち
、２００水平走査期間分の情報で１枚の画面を構成する
。In teletext broadcasting, for example, digital text information is inserted into the horizontal scanning period of a predetermined frame (for example, 120H and 283H) within the vertical retrace period of each field of the video signal, and the period of 200 fields is inserted per program. As a result, multiple programs are transmitted in a time-sharing manner. The information transmitted during these 200 field periods, that is, the information for 200 horizontal scanning periods constitutes one screen.
文字多重放送受信装置は、この複数画面の所望の画面を
視聴者が選択して表示するものであるが、従来この受信
可能々番組の一覧表と、現在受信している番組名とを画
面上に表示して、視聴者の番組選択をしやすいようにし
ている装置が提案されている。しかし、上記装置にあっ
ては、希望している番組を表示するまでの時間は、視聴
者自身が認識することができないため、例えば、所望番
組までの間にページ数（画面数）の多い番組が挿入され
ていた場合には、時間がかかることがある。Teletext broadcasting receiving devices allow the viewer to select and display the desired screen from multiple screens, but conventionally, a list of receivable programs and the name of the program currently being received are displayed on the screen. A device has been proposed that displays a program on the screen to make it easier for viewers to select a program. However, with the above devices, since the viewer himself cannot recognize the time until the desired program is displayed, for example, a program with a large number of pages (number of screens) until the desired program is displayed. It may take some time if the file has been inserted.
本発明は上記の問題を改善するものであシ、視聴者の希
望した番組が表示されるまでの時間を表示するようにし
た受信装置を提供することを目的とする。The present invention aims to improve the above-mentioned problems, and aims to provide a receiving device that displays the time until a program desired by a viewer is displayed.
図は本発明による受信装置の実施例を示し、まず、チュ
ーナ１によって受信された文字多重放送の情報が、バッ
ファメモリ２に書き込まれる。ここで受信された信号が
、ページ制御パケットの場合には、ＣＰＵ６がこれを判
別してパケットに含まれる番組名、ページ番号及びこの
番組の１ペ一ジ分が伝送はれるのに要する時間を番組・
ページ・１サイクル用メモリ （以下、単にメモリとい
う）７に記憶させる。同様にして次に到来する信号も上
記と同様の処理を行ない、文字放送が１サイクルした時
点で、これに要する時間をメモ１７７に記憶する。The figure shows an embodiment of a receiving apparatus according to the present invention. First, information on a teletext broadcast received by a tuner 1 is written into a buffer memory 2. If the signal received here is a page control packet, the CPU 6 determines the packet, the program name and page number included in the packet, and the time required to transmit one page of this program. program·
It is stored in the page/1 cycle memory (hereinafter simply referred to as memory) 7. Similarly, the next arriving signal is processed in the same way as above, and when the teletext has completed one cycle, the time required for this is stored in the memo 177.
視聴者が所望の番組をキーボード８により選択したとき
には、現在受信している番組、ページ番号とメモリ７に
記憶されているデータとをＣＰＵ６が比較、演算するこ
とにより、希望番組が画面に表示されるまでの待ち時間
がわかるので、この情報をインターフェース４を介して
テレビジョン５の画面の一部、または受信機婢において
表示する。When the viewer selects a desired program using the keyboard 8, the CPU 6 compares and calculates the currently received program and page number with the data stored in the memory 7, thereby displaying the desired program on the screen. This information is displayed on a portion of the screen of the television 5 or on the receiver's screen via the interface 4.
この希望番組表示までの待ち時間は、時間がたつにつれ
て減少するから、待ち時間がゼロとなったときに、バッ
ファメモリ２に記憶していた文字情報がメインメモリ３
に記憶される。これを１つの番組を構成する２００フイ
一ルド期間、上記動作を繰り返し、２０Ｈ及び２８３Ｈ
の文字情報をメインメモリ３に順次書き込み、インター
フェース４を介してテレビジョン５に１枚の希望した画
面が表示される。This waiting time until the desired program is displayed decreases as time passes, so when the waiting time reaches zero, the character information stored in the buffer memory 2 is transferred to the main memory 3.
is memorized. The above operation is repeated for 200 fields constituting one program, 20H and 283H.
The character information is sequentially written into the main memory 3, and one desired screen is displayed on the television 5 via the interface 4.
以上のとおり、本発明によれば視聴者の希望した文字多
重放送番組が、画面上に表示されるまでの待ち時間が認
識できるので、番組選択の操作性効上が図れる。As described above, according to the present invention, the waiting time until the teletext program desired by the viewer is displayed on the screen can be recognized, so that the operability of program selection can be improved.
図は本発明による文字多重放送受信装置の実施例を示す
図である。
１・・・・・・チューナ ２・・・・・・バッファメ
モリ３・−・・−・メインメモリ
４・・・・・・インターフェース
５・・・・・・テレビジョン ６・・・・・・ＣＰＵ
７・・・・・・番組、ページ１サイクル用メセリ８・・
・・・・キーボード
特許出願人
パイオニア株式会社The figure is a diagram showing an embodiment of a teletext broadcasting receiving apparatus according to the present invention. 1... Tuner 2... Buffer memory 3... Main memory 4... Interface 5... Television 6... CPU
7...Program, page 1 cycle meseri 8...
...Keyboard patent applicant Pioneer Corporation
Claims (1)
ワンサイクルに要する時間を記憶し、視聴者が所望の番
組の任意のページを選択したときに、当該ページが表示
されるまでの時間を表示するようにしたことを特徴とす
る、文字多重放送受信装置。The program name, page number, and time required for one program cycle of receivable teletext programs are memorized, and when a viewer selects any page of a desired program, the time it takes for that page to be displayed. What is claimed is: 1. A teletext broadcasting receiving device characterized by displaying the following information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3979583A JPS59165583A (en) | 1983-03-09 | 1983-03-09 | Receiver for character multiplex broadcast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3979583A JPS59165583A (en) | 1983-03-09 | 1983-03-09 | Receiver for character multiplex broadcast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59165583A true JPS59165583A (en) | 1984-09-18 |
Family
ID=12562883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3979583A Pending JPS59165583A (en) | 1983-03-09 | 1983-03-09 | Receiver for character multiplex broadcast |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59165583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038212A (en) * | 1989-07-06 | 1991-08-06 | U.S. Philips Corporation | Teletext decoder and receiver for television signals for receiving cyclically transmitted teletext pages |
-
1983
- 1983-03-09 JP JP3979583A patent/JPS59165583A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038212A (en) * | 1989-07-06 | 1991-08-06 | U.S. Philips Corporation | Teletext decoder and receiver for television signals for receiving cyclically transmitted teletext pages |
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