JPS5834474U - signal processing circuit - Google Patents
signal processing circuitInfo
- Publication number
- JPS5834474U JPS5834474U JP12781081U JP12781081U JPS5834474U JP S5834474 U JPS5834474 U JP S5834474U JP 12781081 U JP12781081 U JP 12781081U JP 12781081 U JP12781081 U JP 12781081U JP S5834474 U JPS5834474 U JP S5834474U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- processing circuit
- character
- signal processing
- brightness
- 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
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、本考案実施例回路を適用したテレビジョン受
像機の要部構成を示すブロック図、第２図は赤の動画信
号の伝送路における本考案実施例回路を示す回路図、第
３図は、第２図の回路動作を説明するための波形図、第
４図は本考案実施例回路が適用されたテレビジョン受像
機の陰極線管面の正面図である。
１・・・信号処理回路、５・・・動画信号処理回路、６
・・・文字信号処理回路、８・・・陰極線管、１０・・
・定電圧化手段、１５・・・文字信号輝度調整手段、Ｓ
□・・・・・・文字信号、Ｓ２・・・シャドウ信号、Ｓ
３・・・動画信号、Ｓ４・・・定電圧動画信号、Ｓ５・
・・重畳信号、Ｓ８・・・調整電圧。FIG. 1 is a block diagram showing the main structure of a television receiver to which the circuit according to the present invention is applied; FIG. 2 is a circuit diagram showing the circuit according to the present invention in a red video signal transmission path; The figures are waveform diagrams for explaining the circuit operation of FIG. 2, and FIG. 4 is a front view of the cathode ray tube surface of a television receiver to which the circuit according to the embodiment of the present invention is applied. 1... Signal processing circuit, 5... Video signal processing circuit, 6
...Character signal processing circuit, 8...Cathode ray tube, 10...
- Constant voltage means, 15...Character signal brightness adjustment means, S
□...Character signal, S2...Shadow signal, S
3... Video signal, S4... Constant voltage video signal, S5.
...Superimposed signal, S8...Adjustment voltage.
Claims (1)
げるためのシャドウ信号が存在する間、動画信号処理回
路から出力される動画信号を定電圧動画信号とする定電
圧化手段と、 前記文字信号が存在する間、前記文字信号の輝度の調整
電圧を出力する文字信号輝度調整手段と、前記定電圧動
画信号と前記調整電圧とを重畳して陰極線管へ与える手
段とを備えたことを特徴とする信号処理回路。[Claim for Utility Model Registration] In a single-character multiplex broadcast television receiver, output from a video signal processing circuit while a shadow signal exists to reduce the brightness of the background near characters output from a character processing circuit. a constant voltage converting means for converting a moving image signal to a constant voltage moving image signal; a character signal brightness adjusting means for outputting a voltage for adjusting the brightness of the character signal while the character signal is present; 1. A signal processing circuit comprising: means for superimposing and applying an adjustment voltage to a cathode ray tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12781081U JPS5834474U (en) | 1981-08-31 | 1981-08-31 | signal processing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12781081U JPS5834474U (en) | 1981-08-31 | 1981-08-31 | signal processing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5834474U true JPS5834474U (en) | 1983-03-05 |
Family
ID=29921524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12781081U Pending JPS5834474U (en) | 1981-08-31 | 1981-08-31 | signal processing circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5834474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165064A (en) * | 1992-11-18 | 1994-06-10 | Sanyo Electric Co Ltd | Caption decoder system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5293229A (en) * | 1976-02-02 | 1977-08-05 | Mitsubishi Electric Corp | Reproducing device for multiple information |
| JPS5552682A (en) * | 1978-10-11 | 1980-04-17 | Sharp Corp | Television picture receiver for reception of character broadcasting |
-
1981
- 1981-08-31 JP JP12781081U patent/JPS5834474U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5293229A (en) * | 1976-02-02 | 1977-08-05 | Mitsubishi Electric Corp | Reproducing device for multiple information |
| JPS5552682A (en) * | 1978-10-11 | 1980-04-17 | Sharp Corp | Television picture receiver for reception of character broadcasting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165064A (en) * | 1992-11-18 | 1994-06-10 | Sanyo Electric Co Ltd | Caption decoder system |
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