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JPS6019377A - Character broadcast receiver - Google Patents

Character broadcast receiver

Info

Publication number
JPS6019377A
JPS6019377AJP12602583AJP12602583AJPS6019377AJP S6019377 AJPS6019377 AJP S6019377AJP 12602583 AJP12602583 AJP 12602583AJP 12602583 AJP12602583 AJP 12602583AJP S6019377 AJPS6019377 AJP S6019377A
Authority
JP
Japan
Prior art keywords
character signal
character
program
information
memory
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
Application number
JP12602583A
Other languages
Japanese (ja)
Inventor
Tetsuya Ikeda
哲也 池田
Sadaji Okamoto
貞二 岡本
Kyo Yamashita
山下 経
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP12602583ApriorityCriticalpatent/JPS6019377A/en
Publication of JPS6019377ApublicationCriticalpatent/JPS6019377A/en
Pendinglegal-statusCriticalCurrent

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Abstract

Translated fromJapanese

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Translated fromJapanese

【発明の詳細な説明】〔発明の利用分野〕本発明はテレビジぢンの垂直帰線に重畳される文字多重
信号を受信して1文字図形情報を画面に表示する文字放
送受信機に関する6〔発明の背景〕テレビジョン信号のすき間を利用して1文字図形情報全
伝送しようという文字多重放送の実用化が迫りつつある
。この文字多重放送を受信して1文字図形表示を行なう
文字放送受信機は一現在受信しているチャンネルのテレ
ビジョン放送に文字多重信号が重畳されているかどうか
利用者に知らせる必要がある2従来技術による文字多重信号の検知方法を第1図および
第2図を用いて説明する。第1図は文字多重信号の1例
を示す図であり、1水平走査期間の情報は受信機のため
の同期データ(クロックランイン16ビツトとフレーミ
ングコード8ビツト)と制御符号(51/IN :サー
ビス識別/割通信M I ” ’データ識別信号)およ
びデータ列から構成される。第2図は、従来技術による
文字放送受信機を示すブロック図である。第2図におい
て、1けテレビジョン信号の垂直帰線期間に多重される
文字信号を抽出して記録する文字信号抽出部、2は文字
信号抽出部1において抽出された文字信号のデコード処
理を行なう文字信号処理部、5はリモコンキー人力部。
DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a teletext receiver that receives a teletext multiplex signal superimposed on the vertical blanking line of a television program and displays single character graphic information on a screen. BACKGROUND OF THE INVENTION The practical use of text multiplex broadcasting, which uses gaps in television signals to transmit entire single character graphic information, is approaching. A teletext receiver that receives this teletext and displays a single character graphic is required to inform the user whether or not a teletext signal is superimposed on the television broadcast of the channel it is currently receiving. 2. Prior Art A method for detecting a character multiplex signal will be explained with reference to FIGS. 1 and 2. FIG. 1 is a diagram showing an example of a character multiplex signal, and the information for one horizontal scanning period includes synchronization data for the receiver (16 bits of clock run-in and 8 bits of framing code) and control code (51/IN: It consists of a service identification/discount communication MI (data identification signal) and a data string. FIG. 2 is a block diagram showing a teletext receiver according to the prior art. In FIG. 2 is a character signal processing unit that decodes the character signal extracted in the character signal extraction unit 1; 5 is a remote control key operated manually; Department.

4け表示メモリ等の表示回路、5はCRT−61’r文
字信号の受信を知らしめるLEI)表示部である。
A display circuit such as a 4-digit display memory, etc., and 5 an LEI) display section for notifying the reception of a CRT-61'r character signal.

第2図の従来技術では文字信号抽出部1でテレビジョン
信号の垂直帰線期間に多重される文字多重信号全抽出し
1文字多重信号の中のSI/IN 信号により文字放送
ザービスを検知しLED表示部6に検知信号を出力して
文字多重信号の検出LEDをONさせ、利用者に現在受
信しているテレビジョン放送において文字放送が多重さ
れていることを知らしめる。利用者が文字放送の存在を
知り文字放送番組全選択するとリモコンキー人力部3よ
り番組情報が文字信号処理部2に入力される。文字信号
処理部2では、文字信号抽出部1で抽出された文字信号
の番組がリモコンキー人力部3からの番組情報と一致す
るかどうか比較し、一致する場合は、その番組の文字信
号全デコードして表示回路部4の表示メモリに記録して
CRT 5に表示させ、また一致しない場合は、一致す
る番組の文字信号が伝送されるのを待ち1表示回路部4
の表示メモ1ノには。
In the conventional technology shown in FIG. 2, a character signal extraction unit 1 extracts all the character multiplex signals multiplexed during the vertical retrace period of the television signal, detects the teletext service by the SI/IN signal in the single character multiplex signal, and detects the teletext service using the LED. A detection signal is output to the display unit 6 to turn on the detection LED of the text multiplex signal, thereby informing the user that the text broadcast is multiplexed in the currently received television broadcast. When the user learns of the existence of teletext and selects all teletext programs, program information is input from the remote control key input section 3 to the text signal processing section 2. The character signal processing section 2 compares whether the program of the character signal extracted by the character signal extraction section 1 matches the program information from the remote control key human power section 3, and if they match, decodes all the character signals of the program. and records it in the display memory of the display circuit section 4 and displays it on the CRT 5. If they do not match, the display circuit section 4 waits for the character signal of the matching program to be transmitted.
In the display memo 1.

[しばらくお待ち下さい。」等の待ち時間のための表示
データを書込んで CRT 5に表示するようにしてい
る。
[Please wait for a little while. ” and other display data for waiting time are written and displayed on the CRT 5.

しかしこのような従来例では利用者が文字放送の受信を
確認して文字放送の番組を選択しても、その番組の文字
信号がタイミングよく伝送されて来ない限り1文字放送
の画像はすぐには画面に現われず、このため利用者はい
らいらすることになり、はかにだ操作性の悪いものとな
っていた。また従来技術では1文字放送の受信検出の方
法が制御符号のS)/IN信号の検知によるため 51
/IN信号を検知しても他のデータに誤りが生じたり欠
落したりする場合でも文字信号の検出ができ、利用者が
文字信号の検出を知って1番組を選択しても、誤りのあ
る文字図形の画像を表示したり、指定番組の受信力3で
きないという場合が生じることがあった7〔発明の目的〕本発明の目的は上記した従来技術の欠点管なくシ、利用
者が文字放送番組を選択しても、その番組が伝送される
まで待たすことなく番組番号表等全表示して、利用者の
待ち時間のいらいらを解消し、さらに誤りのある文字信
号の受信の防止に効果がある文字放送受信機を提供する
ことにちる。
However, in this conventional example, even if the user confirms the reception of teletext and selects a teletext program, unless the text signal for that program is transmitted in a timely manner, the single teletext image will be lost immediately. does not appear on the screen, which irritates the user and makes it extremely difficult to use. Furthermore, in the conventional technology, the method of detecting the reception of a single character broadcast is based on the detection of the S)/IN signal of the control code.
Even if the /IN signal is detected, a character signal can be detected even if other data is erroneous or missing. [Objective of the Invention] The purpose of the present invention is to overcome the drawbacks of the prior art described above, and to enable users to receive text broadcasting. Even if a program is selected, the entire program number list is displayed without having to wait until the program is transmitted, eliminating the frustration of waiting time for users and also preventing the reception of erroneous character signals. We are here to provide you with a teletext receiver.

〔発明の概、要〕[Outline and summary of the invention]

上記目的を達成するために本発明では1通常の文字情報
を表示する主表示メモリのほかに、番組制御パケット情
報またはある判定の番組番号の内容を表示する予備表示
メモリと、その予備表示メモリに番組制御パケット情@
または特定番組の情報が1込まれたことを利用者に知ら
すべく表示器と金設け、利用者に上記の表示器により、
正常な文字信号の受信を知らしめ、また選択した番組の
情報が伝送されるまでの待ち時間に、予備表示メモリに
記録された番組情報を表示するようにした。
In order to achieve the above object, the present invention includes (1) in addition to a main display memory that displays normal character information, a preliminary display memory that displays program control packet information or the content of a certain determined program number; Program control packet information @
Or, provide a display and a cover to inform the user that information about a specific program has been included, and notify the user by the above display.
The reception of a normal character signal is notified, and the program information recorded in the preliminary display memory is displayed during the waiting time until the information of the selected program is transmitted.

〔発明の実施例〕[Embodiments of the invention]

以下本発明を実施例を用いて詳細に説明する6第3図は
本発明の一実施例を示すブロック図であり、第2図と同
一ブロックには同一符号を記す。1、表示メモリ部4は
、主メモリである表示メモ1J41と予備メモリである
表示メモリ42オよび。
The present invention will be described in detail below using an embodiment.6 FIG. 3 is a block diagram showing an embodiment of the present invention, and the same blocks as in FIG. 2 are denoted by the same reference numerals. 1. The display memory section 4 includes a display memo 1J41 which is a main memory, a display memory 42 which is a spare memory, and a display memory 1J41 which is a main memory.

それら表示メモIJ e切換えてCRT 5に表示させ
る切換回路43より構成される。6′はLED表示部で
ある。
It is constituted by a switching circuit 43 which switches the display memo IJe and displays it on the CRT 5. 6' is an LED display section.

以下第3図の実施例の動作について説明する。The operation of the embodiment shown in FIG. 3 will be explained below.

文字信号抽出部1では一文字信号を抽出して。The character signal extraction unit 1 extracts a single character signal.

そのデータをバッファに記録する処理だけを行なう。文
字信号処理部2は文字信号抽出部1で抽出記録された文
字信号が、第4図に示す如き番組番号データを送る番号
制御バケツ) (PIFと略す)かあるいは文字放送の
番組案内を行なう特定番組(例えば番組番号がoo@”
の場合)の情報パケットの場合は1表示回路部4の中の
予備の表示メモリ42にそれらの情報をデコードして記
録するとbもに、LED表示部6′にLED表示信号を
出力しLED表示させ1文字放送の番組案内情報の受信
を利用者に知らしめる。利用者がこのLED表示を見て
文字放送の番組を選択すると、リモコン入力部ろに番組
番号のデータが入力され、文字信号処理部2に選択番組
情報が供給される6文字信号処理部2は1文字(Q号抽
出部1で抽出された文字信号が、リモコン入力部3から
の選択番組の文字信号かどっがを判別し、一致する場合
は主表示メモリ41に文字信号をデコードして記録し1
表示メモリ切換回路43を主メモリ側に接続して、その
番組の内容をCRT 5に表示させる6また一致しない
場合は。
Only the process of recording the data in the buffer is performed. The character signal processing unit 2 uses a character signal extracted and recorded by the character signal extraction unit 1 to be used as a number control bucket (abbreviated as PIF) for transmitting program number data as shown in FIG. Program (for example, the program number is oo@”
In the case of the information packet (1), when the information is decoded and recorded in the spare display memory 42 in the display circuit section 4, an LED display signal is output to the LED display section 6' and the LED display is performed. To notify a user of the reception of program guide information for a single character broadcast. When the user looks at this LED display and selects a teletext program, the program number data is input to the remote control input section, and the 6-character signal processing section 2 supplies selected program information to the text signal processing section 2. 1 character (It is determined which character signal extracted by the Q number extraction unit 1 is the character signal of the selected program from the remote control input unit 3, and if they match, the character signal is decoded and recorded in the main display memory 41. 1
Connect the display memory switching circuit 43 to the main memory side and display the contents of the program on the CRT 5.6 If they do not match.

選択した番組の文字信号が文字信号抽出部1で抽出され
るまで待つが、この場合表示メモリ切換回路43ヲ予備
メモリ側に接続して、すでに記録されである番組の案内
を知らせる情報f CRT5に表示1〜て利用者の待ち
時間のいらいらを解消させる。
Waiting until the character signal of the selected program is extracted by the character signal extraction unit 1, in which case the display memory switching circuit 43 is connected to the spare memory side and information f informing the guide of the already recorded program is sent to the CRT 5. Displays 1 to 1 relieve the user's frustration of waiting time.

このように本実施例では、従来例のように文字信号の受
信検出f 51/IN信号の検知たけではなく番組案内
情報の受信も利用者に知らせているので文字放送の正確
な受信状態が利用者にゎかり、その後で9番組選択を行
なえば1選択した番組の文字信号が到来するまでの待ち
時間には、予備表示メモリに記録されている番組案内の
情報が表示されるので選択した番組を待つまでのいらい
らは解消され操作性は向上する。
In this way, in this embodiment, the user is notified not only of the reception detection of the text signal f51/IN signal as in the conventional example, but also of the reception of the program guide information, so that the accurate reception status of the text broadcast can be used. If you select 9 programs after that, the program guide information recorded in the preliminary display memory will be displayed during the waiting time until the character signal for the selected program arrives. This eliminates the frustration of waiting and improves operability.

また本実施例では予備表示メモリに番組案内情報が記録
されているので、利用者が必要な時にはキー人力により
即時に番組案内↑h報を表示でき、さらに操作性を向上
する機能に有することになる、なお本実施例では、2つの表示メモリを用い。
In addition, in this embodiment, the program guide information is recorded in the preliminary display memory, so when the user needs it, the program guide ↑ h information can be displayed immediately by keystrokes. In this embodiment, two display memories are used.

それぞれに文字図形情報全記録しているが、文字符号の
ように文字図形情報に変換する前のデータを記録するメ
モリであっても同様の効果が得られる。呻た。予備表示
メモリに予め記録する情報は利用者が自由に選択できる
ようにしてもよい。
Although all character and graphic information is recorded in each memory, the same effect can be obtained even if the memory records data before being converted to character and graphic information, such as character codes. I groaned. The information to be recorded in advance in the preliminary display memory may be freely selected by the user.

〔発明の効果〕〔Effect of the invention〕

以上説明したように本発明によれば、利用者に文字信号
のサービス識別信号の検出だけでなく1番組117制御
パケツトなどの番組案内4W報の受信検出も知らせるの
で1文字信号の正確な受信が利用者にわかるという効果
がある。また番組を選択してからその番組の情報が表示
されるまでの待ち時間には1番組案内情報が表示され。
As explained above, according to the present invention, the user is notified not only of the detection of the service identification signal of the character signal but also of the reception of the program guide 4W information such as the 117 control packet for 1 program, so that accurate reception of the 1 character signal is possible. This has the effect of making it easier for users to understand. In addition, one program guide information is displayed during the waiting time from when a program is selected until information about that program is displayed.

利用者のいらいらを解消できるという効果がある。This has the effect of eliminating user irritation.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は文字多重信号、第2図は従来の文字放送受信機
のブロック図、第3図は本発明の一実施例である文字放
送受信機のブロック図、第4図は番組制御パケット情報
奮示す図である。1・・・文字信号抽出部 2・・・文字信号処理部3・
・・リモコン入力部 4・・・表示メモリ部5・・・C
RT 6および6゛・・LED表示部41・・・主表示
メモリ42・・・予備表示メモリ43・・・表示メモリ
切換回路絡 1 図侑 3 図絡 4 図
Fig. 1 shows a teletext multiplex signal, Fig. 2 is a block diagram of a conventional teletext receiver, Fig. 3 is a block diagram of a teletext receiver which is an embodiment of the present invention, and Fig. 4 shows program control packet information. This is a picture of great courage. 1... Character signal extraction section 2... Character signal processing section 3.
...Remote control input section 4...Display memory section 5...C
RT 6 and 6゛...LED display section 41...Main display memory 42...Spare display memory 43...Display memory switching circuit 1 Figure 3 4 Figure

Claims (1)

Translated fromJapanese
【特許請求の範囲】1、 テレビジョン信号の垂直帰線期間に多重される文
字多重信号を抽出する文字信号抽出部と、該文字信号よ
り特定の番組の文字信号を選択指定する文字信号選択入
力部と、上記文字信号抽出部より抽出された文字信号が
上記文字信号選択入力部からの選択番組か判別して1選
択番組の文字信号を解析処理し9文字図形情報に変換す
る文字信号処理部とによυ構成される文字放送受信機に
おいて1文字信号の受信検出を知らせる受信検出表示手
段と上記文字信号選択入力部から選択入力される番組の
文字信号の情報を記録する第1のメモリと、伝送される
文字多重信号のうち1番組制御パケット情@または特定
番組のパケット情報全記録する第2のメモリと、上記第
1のメモリおよび第2のメモリを切換えて、メモリ内の
情報を表示する表示切換手段とを設け、上記第2のメモ
リに番組制御パケット情報または特定番組のパケット情
報を記録する。と、上記受信検出表示手段により文字信
号の検出を知らせしめ、上記文字信号選択入力部から選
択された文字信号の番組が到来するまで。上記表示切換手段により上記第2のメモリに記録された
番組制御情報または特定番組の1η報を表示するように
したことを特徴とする文字放送受信機。2、 前記第2のメモリに記録する情報を文字信号選択
入力部より選択できるようにしたことを特徴とする特許
請求範囲第1項記載の文字放送受信機。
[Claims] 1. A character signal extraction unit that extracts a character multiplex signal multiplexed during the vertical blanking period of a television signal, and a character signal selection input that selects and specifies a character signal of a specific program from the character signals. and a character signal processing unit that determines whether the character signal extracted by the character signal extraction unit is a selected program from the character signal selection input unit, analyzes and processes the character signal of one selected program, and converts it into 9-character graphic information. A teletext receiver configured as follows: a reception detection display means for notifying reception detection of a single character signal; and a first memory for recording information on a character signal of a program selectively inputted from the character signal selection input section. , a second memory that records all of the packet information for one program control packet or a specific program among the transmitted text multiplex signals, and the first memory and second memory to display the information in the memory; display switching means for recording program control packet information or packet information of a specific program in the second memory. Then, the detection of a character signal is notified by the reception detection display means until the program of the character signal selected from the character signal selection input section arrives. A teletext receiver characterized in that the display switching means displays program control information recorded in the second memory or 1η information of a specific program. 2. The teletext receiver according to claim 1, wherein the information to be recorded in the second memory can be selected from a character signal selection input section.
JP12602583A1983-07-131983-07-13Character broadcast receiverPendingJPS6019377A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
JP12602583AJPS6019377A (en)1983-07-131983-07-13Character broadcast receiver

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
JP12602583AJPS6019377A (en)1983-07-131983-07-13Character broadcast receiver

Publications (1)

Publication NumberPublication Date
JPS6019377Atrue JPS6019377A (en)1985-01-31

Family

ID=14924835

Family Applications (1)

Application NumberTitlePriority DateFiling Date
JP12602583APendingJPS6019377A (en)1983-07-131983-07-13Character broadcast receiver

Country Status (1)

CountryLink
JP (1)JPS6019377A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS63204985A (en)*1987-02-201988-08-24Matsushita Electric Ind Co Ltd Teletext receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS63204985A (en)*1987-02-201988-08-24Matsushita Electric Ind Co Ltd Teletext receiver

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