JPS59144969U - Distortion correction device for television receivers - Google Patents
Distortion correction device for television receiversInfo
- Publication number
- JPS59144969U JPS59144969U JP3827883U JP3827883U JPS59144969U JP S59144969 U JPS59144969 U JP S59144969U JP 3827883 U JP3827883 U JP 3827883U JP 3827883 U JP3827883 U JP 3827883U JP S59144969 U JPS59144969 U JP S59144969U
- Authority
- JP
- Japan
- Prior art keywords
- distortion correction
- correction device
- vertical deflection
- resistor
- horizontal
- 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.)
- Granted
Links
Landscapes
- Details Of Television Scanning (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図は傾斜偏平型ＣＲＴの概略斜視図、第２図は第１
図に示した傾斜偏平型ＣＲＴの螢光面の概略平面図、第
３図は従来の歪補正装置の電気的構成を示すブロック図
、第４図は第２図における歪補正回路の出力する歪補正
信号の波形図である。
第５図は本考案に係るテレビジョン受像機の歪補正装置
の電気的構成を示すブロック図、第６図ＡないしＣは第
５図＆とおける主要な電圧信号の波形図である。
１・・・・・・陰極線管、２０・・・・・・垂直偏向回
路、２８・・・・・・垂直偏向コイル、２９・・・・・
・帰環抵抗、３０・・・・・・歪補正回路、５０・・・
・・・水平出力回路。Fig. 1 is a schematic perspective view of a tilted flat type CRT, and Fig. 2 is a schematic perspective view of a tilted flat type CRT.
FIG. 3 is a block diagram showing the electrical configuration of a conventional distortion correction device, and FIG. 4 shows the distortion output by the distortion correction circuit in FIG. 2. FIG. 3 is a waveform diagram of a correction signal. FIG. 5 is a block diagram showing the electrical configuration of the distortion correction device for a television receiver according to the present invention, and FIGS. 6A to 6C are waveform diagrams of main voltage signals in FIG. 1... Cathode ray tube, 20... Vertical deflection circuit, 28... Vertical deflection coil, 29...
・Returning resistance, 30... Distortion correction circuit, 50...
...Horizontal output circuit.
Claims (1)
有し、上記帰還抵抗から得られる垂直偏向コイル電流に
より帰環制御が施された垂直偏向系と、上記帰環抵抗の
両端電圧を取り出し該両端電圧の波形成形を行なって歪
補正信号を出力する歪補正回路とを有し、上記歪補正信
号を電子ビームを水平方向に偏向させるための水平偏向
系は供給することにより水平偏向コイル電流の振幅変調
を行ない陰極線管の螢光面の画像に生ずる歪を補正する
ようにしたことを特徴とするテレビジョン受像機の歪補
正装置。- A vertical deflection system that has a vertical deflection coil that is grounded via a feedback resistor and that is subjected to return control using the vertical deflection coil current obtained from the feedback resistor, and a voltage across the return resistor that is extracted from both ends of the return resistor. The horizontal deflection system for deflecting the electron beam in the horizontal direction is provided with a distortion correction circuit that shapes the voltage waveform and outputs a distortion correction signal, and the horizontal deflection system for deflecting the electron beam in the horizontal direction adjusts the amplitude of the horizontal deflection coil current by supplying the distortion correction signal. 1. A distortion correction device for a television receiver, characterized in that it corrects distortion caused in an image on a fluorescent surface of a cathode ray tube by performing modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3827883U JPS59144969U (en) | 1983-03-18 | 1983-03-18 | Distortion correction device for television receivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3827883U JPS59144969U (en) | 1983-03-18 | 1983-03-18 | Distortion correction device for television receivers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59144969U true JPS59144969U (en) | 1984-09-27 |
| JPH0134454Y2 JPH0134454Y2 (en) | 1989-10-19 |
Family
ID=30168950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3827883U Granted JPS59144969U (en) | 1983-03-18 | 1983-03-18 | Distortion correction device for television receivers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144969U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51148217U (en) * | 1975-05-22 | 1976-11-27 | ||
| JPS5778158U (en) * | 1980-10-30 | 1982-05-14 |
-
1983
- 1983-03-18 JP JP3827883U patent/JPS59144969U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51148217U (en) * | 1975-05-22 | 1976-11-27 | ||
| JPS5778158U (en) * | 1980-10-30 | 1982-05-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0134454Y2 (en) | 1989-10-19 |
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