JPS5950166U - Teletext receiver - Google Patents
Teletext receiverInfo
- Publication number
- JPS5950166U JPS5950166U JP14743382U JP14743382U JPS5950166U JP S5950166 U JPS5950166 U JP S5950166U JP 14743382 U JP14743382 U JP 14743382U JP 14743382 U JP14743382 U JP 14743382U JP S5950166 U JPS5950166 U JP S5950166U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- character data
- teletext
- utility
- 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
Landscapes
- Television Systems (AREA)
Abstract
(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
第１図は本発明の一実施例を示す回路図、第２図は第１
図の回路各部の信号波形を示すタイミングチャートであ
る。
ＦＦ・・・フリップフロップ、ＨＤ・・・水平同期信号
、ＶＤ・・・垂直同期信号。Fig. 1 is a circuit diagram showing one embodiment of the present invention, and Fig. 2 is a circuit diagram showing an embodiment of the present invention.
5 is a timing chart showing signal waveforms of various parts of the circuit shown in the figure. FF...Flip-flop, HD...Horizontal synchronization signal, VD...Vertical synchronization signal.
Claims (1)
１または２以上の水平走査期間に重畳された文字データ
を取出して文字情報を表示するテレビジョン文字多重放
送受信装置であって、水平走査期間信号と前記文字デー
タが与えられることによって文字多重放送中であること
を検出する回路と、この検出回路の出力を記憶する記憶
回路とをそなえたことを特徴とする文字多重放送受信装
置。 ２ 実用新案登録請求の範囲第１項記載の装置において
、前記検出回路は、１つの水平走査期間中の１番目の文
字データが与えられることにより出力を生じる回路と、
同期間中に２番目の文字データが与えられて出力を生じ
る回路とをそなえた文字多重放送受信装置。 ３ 実用新案登録請求の範囲第１項記載の装置において
、前記検出回路は、垂直同期信号が与えられたとき、そ
の検出出力がクリアされることを特徴とした文字多重放
送受信装置。[Claims for Utility Model Registration] 1. A television teletext broadcasting receiving device that displays character information by extracting character data superimposed in one or more horizontal scanning periods in the vertical retrace period of a standard television broadcast signal. A character multiplexing system comprising: a circuit for detecting that teletext broadcasting is in progress by receiving a horizontal scanning period signal and the character data; and a storage circuit for storing the output of the detection circuit. Broadcast receiving device. 2 Utility Model Registration In the device according to claim 1, the detection circuit is a circuit that generates an output when the first character data in one horizontal scanning period is applied;
A teletext multiplex broadcasting receiving device comprising a circuit that generates an output when second character data is given during the same period. 3 Utility Model Registration The teletext broadcasting receiving apparatus according to claim 1, wherein the detection output of the detection circuit is cleared when a vertical synchronization signal is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14743382U JPS5950166U (en) | 1982-09-28 | 1982-09-28 | Teletext receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14743382U JPS5950166U (en) | 1982-09-28 | 1982-09-28 | Teletext receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5950166U true JPS5950166U (en) | 1984-04-03 |
Family
ID=30327858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14743382U Pending JPS5950166U (en) | 1982-09-28 | 1982-09-28 | Teletext receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5950166U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5029230A (en) * | 1973-07-20 | 1975-03-25 | ||
| JPS5551072B2 (en) * | 1973-09-17 | 1980-12-22 | ||
| JPS5765979A (en) * | 1980-10-13 | 1982-04-21 | Matsushita Electric Ind Co Ltd | Signal processing device |
-
1982
- 1982-09-28 JP JP14743382U patent/JPS5950166U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5029230A (en) * | 1973-07-20 | 1975-03-25 | ||
| JPS5551072B2 (en) * | 1973-09-17 | 1980-12-22 | ||
| JPS5765979A (en) * | 1980-10-13 | 1982-04-21 | Matsushita Electric Ind Co Ltd | Signal processing device |
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