JPH0398565U - - Google Patents
Info
- Publication number
- JPH0398565U JPH0398565U JP876890U JP876890U JPH0398565U JP H0398565 U JPH0398565 U JP H0398565U JP 876890 U JP876890 U JP 876890U JP 876890 U JP876890 U JP 876890U JP H0398565 U JPH0398565 U JP H0398565U
- Authority
- JP
- Japan
- Prior art keywords
- horizontal sawtooth
- sawtooth voltage
- distortion correction
- circuit
- vertical
- 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
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案に係る上下歪補正回路の一実施
例を示すブロツク図、第２図及び第３図は実施例
の動作を説明するための波形図、第４図は従来の
上下歪補正回路示す回路図、第５図は垂直周期の
鋸歯状波で変調された水平鋸歯状波電圧を示す波
形図、第６図は従来例の動作を説明するための波
形図、第７図は上下シーガル歪を説明するための
説明図である。
２……水平鋸歯状波電圧発生回路、３……デユ
ーテイレシオ調整回路、Ｔ……上下歪補正トラン
ス、Ｌｙ……垂直偏向コイル。
Fig. 1 is a block diagram showing an embodiment of the vertical distortion correction circuit according to the present invention, Figs. 2 and 3 are waveform diagrams for explaining the operation of the embodiment, and Fig. 4 is a conventional vertical distortion correction circuit. A circuit diagram showing the circuit, Fig. 5 is a waveform diagram showing a horizontal sawtooth wave voltage modulated by a sawtooth wave with a vertical period, Fig. 6 is a waveform diagram to explain the operation of the conventional example, and Fig. 7 is an upper and lower waveform diagram. FIG. 2 is an explanatory diagram for explaining Seagull distortion. 2...Horizontal sawtooth wave voltage generation circuit, 3...Duty ratio adjustment circuit, T...Vertical distortion correction transformer, Ly...Vertical deflection coil.
Claims (1)
線に垂直偏向コイルが直列接続される上下歪補正
トランスと、 この上下歪補正トランスの一次巻線に前記水平
鋸歯状波電圧を与える水平鋸歯状波電圧発生回路
と、 この水平鋸歯状波電圧発生回路が出力する水平
鋸歯状波電圧の傾斜が正の期間と負の期間との比
を調整する調整回路とを具備したことを特徴とす
る上下歪補正回路。[Claims for Utility Model Registration] A vertical distortion correction transformer in which a horizontal sawtooth wave voltage is applied to a primary winding and a vertical deflection coil is connected in series to a secondary winding; A horizontal sawtooth voltage generation circuit that provides a horizontal sawtooth voltage; and an adjustment circuit that adjusts the ratio between the positive and negative slope periods of the horizontal sawtooth voltage output from the horizontal sawtooth voltage generation circuit. A vertical distortion correction circuit characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP876890U JPH0398565U (en) | 1990-01-30 | 1990-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP876890U JPH0398565U (en) | 1990-01-30 | 1990-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0398565U true JPH0398565U (en) | 1991-10-14 |
Family
ID=31512389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP876890U Pending JPH0398565U (en) | 1990-01-30 | 1990-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0398565U (en) |
-
1990
- 1990-01-30 JP JP876890U patent/JPH0398565U/ja active Pending
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