JPH01129679A - Teletext receiver - Google Patents
Teletext receiverInfo
- Publication number
- JPH01129679A JPH01129679A JP62289047A JP28904787A JPH01129679A JP H01129679 A JPH01129679 A JP H01129679A JP 62289047 A JP62289047 A JP 62289047A JP 28904787 A JP28904787 A JP 28904787A JP H01129679 A JPH01129679 A JP H01129679A
- Authority
- JP
- Japan
- Prior art keywords
- teletext
- data
- memory
- program
- section
- 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
- 238000013075 data extraction Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は文字放送受信装置に係り、１衾に映像伝号の垂
直帰線消去期間内に重畳された文字信Ｖ〕を受信する文
字放送受信装置に関Ｊ−る。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a teletext receiving device, which receives a teletext signal V superimposed within the vertical blanking period of a video signal in one frame. Concerning receiving equipment.
（従来の技術及びその問題点）
最近、新しい放送サービスとして文字多重放送（以下、
文字放送という）が実用化されている。(Conventional technology and its problems) Recently, a new broadcasting service, Teletext Broadcasting (hereinafter referred to as
teletext) has been put into practical use.
この文字放送は、時間ごとに編成される通常のテレビジ
ョン番組と異なり、文字や図形及びイ」加音で構成され
るさまざまな情報・娯楽番組を繰返し伝送し、視聴者が
欲しい時に、欲しい情報を利用できるＪ２うにした新し
い放送システムである。Unlike regular television programs that are organized by time, teletext repeatedly transmits a variety of information and entertainment programs made up of letters, graphics, and "A" sounds, allowing viewers to receive the information they want, when they want it. This is a new broadcasting system that allows the use of J2.
上記の文字や画像などの情報は、現在放送されている放
送局からのテレビジョン電波（テレビジョン信号）に多
重されて放送されており、受信者側では文字放送を受信
できる受信装置やアゲブタを用意すれば、多くの文字放
送番組の中から４望する文字放送番組を選ｌυで楽しむ
ことができる。The above information such as text and images is multiplexed with the television radio waves (television signal) from the currently broadcasting station, and the receiver side has a receiving device or agebuta that can receive teletext. If prepared, you can enjoy the desired teletext program from among the many available teletext programs.
また、この文字放送の信号（文字信号パケッｌ−）は、
現在のテレビジョン信号の時間的隙間（′？１−なわら
、垂直帰線消去期間）を利用してデジタル化″；〕とし
て伝送され、受信装置側では、その信号を復号、変換し
、テレビジョン画面に画像を表示したり音楽などの付加
音を発生して、文字放送番組が視聴できるようになって
いる。更に、受信装置にプリンタを付加することにより
、文字放送画面の内容を記録（プリント）することもで
きる。In addition, this teletext signal (text signal packet l-) is
The signal is digitized by using the time gap (vertical blanking period) of the current television signal, and the receiving device decodes and converts the signal to Teletext programs can be viewed by displaying images on the TV screen and generating additional sounds such as music.Furthermore, by adding a printer to the receiving device, the contents of the teletext screen can be recorded ( (Print) is also possible.
上記した文字放送の番組受信において、文字放送番組の
受信待ち時間が大きな問題であった。文字放送番組の反
復時間は電波技術審議会の答申により約３０秒ど決めら
れているため、１番組から次の番組の表示までには、最
大約３０秒の待ら時間が必要である。In receiving the above-mentioned teletext programs, the waiting time for receiving the teletext programs has been a major problem. The repetition time of teletext programs is set at about 30 seconds based on a report by the Radio Technology Council, so a maximum waiting time of about 30 seconds is required between displaying one program and the next.
そこで、本発明は上記した従来の技術に鑑みて、瞬時に
文字放送番組を表示することができるようになる文字放
送受信装置を提供することを目的とづる１゜
（問題点を解決するための手段）
本発明は上記の目的を達成するために、映像信号の垂直
帰線消去期間内に重畳された文字信号を受信覆る文字放
送受信装置において、使用済メモリブロック及び空メモ
リブロックがあり、かつ受信した文字放送の全文字放送
番組の文字放送データが格納可能なメモリ容量を右し、
受信した文字放送の全文字放送番組の文字放送データが
格納されるメモリと、前記メモリ中の各メ［リブロック
の使用済登録あるいは解放を制御し、受信した文字放送
データの各文字放送番組の格納に必要イｆメモリブロッ
クを前記メモリ中Ｊ、り得るメモリ制御部と、選択した
い文字放送番組をメモリ制御部Ｊ、り検索し、メモリ中
の文字放送データを抽出り−るデータ抽出部とを設りて
なることを特徴とりる文字放送受信装置を提供覆るもの
である。SUMMARY OF THE INVENTION In view of the above-mentioned conventional technology, the present invention has been made with the object of providing a teletext receiving device that can instantly display a teletext program. Means) In order to achieve the above object, the present invention provides a teletext receiving device that receives and receives a character signal superimposed within a vertical blanking period of a video signal, which has a used memory block and an empty memory block, and Determines the memory capacity that can store the teletext data of all teletext programs received.
A memory in which the teletext data of all teletext programs of the received teletext data is stored, and a memory that controls used registration or release of each memory block in the memory, and a memory for each teletext program of the received teletext data. a memory control unit that can retrieve memory blocks necessary for storage in the memory, and a data extraction unit that searches the memory control unit for a teletext program to be selected and extracts teletext data from the memory. This invention provides a teletext receiving device characterized by the following.
（実 施 例）
本発明になる文字放送受信装置の一実施例について、以
下に図面と共に説明する。(Embodiment) An embodiment of the teletext receiver according to the present invention will be described below with reference to the drawings.
第１図は本発明になる文字放送データ「°７の−・実施
例の構成を示すブロック系統図、第２図は第１図中の要
部を詳しく示づ一ブロック系統図である。FIG. 1 is a block system diagram showing the configuration of an embodiment of the teletext data "°7" according to the present invention, and FIG. 2 is a block system diagram showing the main parts in FIG. 1 in detail.
図にｄ３いて、アンテナ１で受信したテレヒジジン信号
を選局、復調した映像信号は文字信号抜取り部２に供給
され、ここで映像信号の垂直帰線消去期間内に重畳され
た文字信号が抜取られる。抜取られた文字信号は、文字
データ取込み部３を介して文字放送データ（文字データ
）としてデータメモリ制御部４に供給される。At d3 in the figure, the video signal obtained by selecting and demodulating the tele-hijigine signal received by the antenna 1 is supplied to the character signal extraction section 2, where the character signal superimposed within the vertical blanking period of the video signal is extracted. . The extracted character signal is supplied to the data memory control unit 4 via the character data importing unit 3 as teletext data (character data).
データメモリ制御部４は、受信された文字放送データの
番組−覧表を作成し、後述するデータメモリ５中の各メ
モリブロックの使用済登録あるいは解消を制御し、その
番組の格納に必要なメモリブロックをデータメモリ５中
より得て、メモリブロック管理部に格納する。また、こ
のデータメモリ制御部４は、番組ごとのデータメモリ５
中のメモリブロックの番組管理表を作成する。The data memory control unit 4 creates a program list of the received teletext data, controls the registration or cancellation of each memory block in the data memory 5 as used, which will be described later, and uses the memory necessary to store the program. A block is obtained from the data memory 5 and stored in the memory block management section. This data memory control unit 4 also has a data memory 5 for each program.
Create a program management table for the internal memory block.
データメモリ５は、使用済メモリブロック及び空メモリ
ブロックよりなり、かつ受信した文字放送の全文字放送
番組の文字放送データが格納可能なメモリ容量を有する
。そして、データメモリ制御部４からの制御ににり各メ
モリブロックの使用済登録あるいは解放が行なわれるこ
とにより、受−ち −
一 ４ −
信した文字放送の全文字放送Ｍ絹の文字放送データが格
納される。The data memory 5 is made up of used memory blocks and empty memory blocks, and has a memory capacity capable of storing teletext data of all received teletext programs. Then, under the control of the data memory control unit 4, each memory block is registered as used or released, so that all of the received teletext M silk teletext data is stored. Stored.
データ抽出部６は、番組選択部６ａとデータ転送部６ｂ
どよりなり、番組選択部６ａではＶ−人力部７により選
択された文字放送番組をデータメモリ制御部４より検索
し、更に、データ転送部６によりデータメモリ５中の文
字放送データをデータ処理部８へ転送する。The data extraction section 6 includes a program selection section 6a and a data transfer section 6b.
As a result, the program selection unit 6a searches the data memory control unit 4 for the teletext program selected by the V-manpower unit 7, and furthermore, the data transfer unit 6 transfers the teletext data in the data memory 5 to the data processing unit. Transfer to 8.
データ処理部８で処理されたデータは、表示制御部９及
びフレームメモリ１０にぞれぞれ供給され、更に、表示
制御部９の出力は表示’Ｋ ｆｉ’ｆｆ １１に供給さ
れ、画面に表示される。The data processed by the data processing section 8 is supplied to the display control section 9 and the frame memory 10, respectively, and the output of the display control section 9 is further supplied to the display 'K fi'ff 11 and displayed on the screen. be done.
ここで、電波技術審議会の答申によれば、反復の文字放
送番組は約３０秒（最大４５秒）の周期Ｃ−繰返して送
出されることになっている。また、文字信号が重畳され
るテレビジョン信号の垂直帰線消去期間内の水平走査期
間（＋−１）としては、奇数フィールドの第１４１−１
〜第１６Ｈ及び第２１１−１（偶数フィールドの第２７
７１−（〜第２７９目及び第２８／ＩＬＩ）が許可され
ている。その為、最大の周期４５秒′ｒ−送出されると
考えると、約２４０にバイトのデータ量となる。そこで
、本実施例においては、この最大のデータ量（約２４０
ｋバイト）が格納可能なメモリ容ωを有するデータメ
モリ５（番組受信メモリ）を採用し、常時、文字放送デ
ータをメモリ中に保存でるようにする。よって、視聴者
が文字放送番組を選択する時、瞬時に文字放送番組を表
示することができるようになる。According to a report by the Radio Technology Council, repeated teletext programs are to be transmitted repeatedly at a cycle C of approximately 30 seconds (maximum 45 seconds). Furthermore, the horizontal scanning period (+-1) within the vertical blanking period of the television signal on which the character signal is superimposed is the 141st-1st period of the odd field.
~16th H and 211-1 (even field 27th
71-(~279th and 28th/ILI) are permitted. Therefore, assuming that the data is transmitted at a maximum period of 45 seconds, the amount of data is approximately 240 bytes. Therefore, in this embodiment, this maximum data amount (approximately 240
A data memory 5 (program reception memory) having a memory capacity ω capable of storing 1,000 kbytes) is employed so that teletext data can always be stored in the memory. Therefore, when the viewer selects a teletext program, the teletext program can be displayed instantly.
（発明の効果）
以上の如く、本発明になる文字放送受信装置によれば、
視聴者が文字放送番組を選択する時、持ら時間なく瞬時
に文字放送番組を表示することができるといった特長を
右する。(Effects of the Invention) As described above, according to the teletext receiving device of the present invention,
When a viewer selects a teletext program, the teletext program can be displayed instantly without delay.
第１図は本発明になる文字放送受信装置の一実施例の構
成を示すブロック系統図、第２図は第１図中の要部を詳
しく示すブロック系統図である。
１・・・アンテナ、２・・・文字信号抜取り部、３・・
・文字データ取込み部、
４・・・データメモリ制御部、５・・・データメモリ、
６・・・データ抽出部、７・・・キー人力部、８・・・
データ処理部、９・・・表示制御部、１０・・・フレー
ムスｔす、１１・・・表示装置。
第２図FIG. 1 is a block system diagram showing the configuration of an embodiment of the teletext receiving apparatus according to the present invention, and FIG. 2 is a block system diagram showing the main parts in FIG. 1 in detail. 1...Antenna, 2...Character signal extraction section, 3...
・Character data import unit, 4...Data memory control unit, 5...Data memory,
6...Data extraction section, 7...Key personnel department, 8...
Data processing unit, 9...Display control unit, 10...Frame system, 11...Display device. Figure 2
Claims (1)
受信する文字放送受信装置において、使用済メモリブロ
ック及び空メモリブロックがあり、かつ受信した文字放
送の全文字放送番組の文字放送データが格納可能なメモ
リ容量を有し、受信した文字放送の全文字放送番組の文
字放送データが格納されるメモリと、 前記メモリ中の各メモリブロックの使用済登録あるいは
解放を制御し、受信した文字放送データの各文字放送番
組の格納に必要なメモリブロックを前記メモリ中より得
るメモリ制御部と、 選択したい文字放送番組をメモリ制御部より検索し、メ
モリ中の文字放送データを抽出するデータ抽出部とを設
けてなることを特徴とする文字放送受信装置。[Scope of Claim] A teletext receiving device that receives a character signal superimposed within a vertical blanking period of a video signal, which has a used memory block and an empty memory block, and is capable of receiving all teletext broadcasts of the received teletext. A memory having a memory capacity capable of storing teletext data of a program and in which the teletext data of all teletext programs of the received teletext program is stored, and controlling registration or release of each memory block in the memory as used. a memory control unit that obtains memory blocks necessary for storing each teletext program of the received teletext data from the memory; and a memory control unit that searches the memory control unit for a teletext program to be selected and stores the teletext data in the memory. What is claimed is: 1. A teletext receiving device comprising: a data extracting section for extracting data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62289047A JPH01129679A (en) | 1987-11-16 | 1987-11-16 | Teletext receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62289047A JPH01129679A (en) | 1987-11-16 | 1987-11-16 | Teletext receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01129679A true JPH01129679A (en) | 1989-05-22 |
Family
ID=17738137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62289047A Pending JPH01129679A (en) | 1987-11-16 | 1987-11-16 | Teletext receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01129679A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013146950A1 (en) | 2012-03-30 | 2013-10-03 | ダイキン工業株式会社 | Non-ionic surfactant composition and fluoropolymer aqueous dispersion |
| WO2013146947A1 (en) | 2012-03-27 | 2013-10-03 | ダイキン工業株式会社 | Aqueous fluoropolymer dispersion |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201391A (en) * | 1981-06-03 | 1982-12-09 | Matsushita Electric Ind Co Ltd | Character information receiver |
| JPS62157488A (en) * | 1985-12-30 | 1987-07-13 | Nec Home Electronics Ltd | Character picture display system for teletext |
-
1987
- 1987-11-16 JP JP62289047A patent/JPH01129679A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201391A (en) * | 1981-06-03 | 1982-12-09 | Matsushita Electric Ind Co Ltd | Character information receiver |
| JPS62157488A (en) * | 1985-12-30 | 1987-07-13 | Nec Home Electronics Ltd | Character picture display system for teletext |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013146947A1 (en) | 2012-03-27 | 2013-10-03 | ダイキン工業株式会社 | Aqueous fluoropolymer dispersion |
| WO2013146950A1 (en) | 2012-03-30 | 2013-10-03 | ダイキン工業株式会社 | Non-ionic surfactant composition and fluoropolymer aqueous dispersion |
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