JPH0182576U - - Google Patents
Info
- Publication number
- JPH0182576U JPH0182576U JP1987177933U JP17793387U JPH0182576U JP H0182576 U JPH0182576 U JP H0182576U JP 1987177933 U JP1987177933 U JP 1987177933U JP 17793387 U JP17793387 U JP 17793387U JP H0182576 U JPH0182576 U JP H0182576U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- flyback transformer
- amount
- misconvergence
- correction circuit
- 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
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図はこの考案によるコンバーゼンス補正回
路のブロツク図、第２図は従来の反射型カラーテ
レビジヨン受像機の構成図、第３図は従来の投写
型カラーテレビジヨン受像機のミス・コンバーゼ
ンス・パターンの画面図を示す。
図において、１０はフライバツクトランス、１
１はフライバツクトランス一次側巻線、１２は水
平出力回路、１３はフライバツクトランス２次側
巻線、１４はアノード電流検出抵抗、１５はロー
パスフイルタ、１６は水平鋸歯状波発生回路、１
７は振幅調整回路、１８は青コンバーゼンス波形
発生回路、１９は加算回路、２０は青コンバーゼ
ンス出力回路、２１は青コンバーゼンス・コイル
を示す。
Fig. 1 is a block diagram of the convergence correction circuit according to this invention, Fig. 2 is a block diagram of a conventional reflection type color television receiver, and Fig. 3 is a misconvergence pattern of a conventional projection type color television receiver. A screen diagram is shown. In the figure, 10 is a flyback transformer, 1
1 is a flyback transformer primary winding, 12 is a horizontal output circuit, 13 is a flyback transformer secondary winding, 14 is an anode current detection resistor, 15 is a low-pass filter, 16 is a horizontal sawtooth wave generating circuit, 1
7 is an amplitude adjustment circuit, 18 is a blue convergence waveform generation circuit, 19 is an addition circuit, 20 is a blue convergence output circuit, and 21 is a blue convergence coil.
Claims (1)
るミスコンバーゼンスを補正する回路を有するコ
ンバーゼンス補正回路において、フライバツクト
ランスに流れる電流を検出する手段、及び前記検
出した電流量によつてミスコンバーゼンスの補正
量を制御する手段とを有することを特徴とするコ
ンバーゼンス補正回路。 A convergence correction circuit having a circuit for correcting misconvergence caused by leakage magnetic flux of a flyback transformer includes means for detecting a current flowing through the flyback transformer, and controlling an amount of misconvergence correction based on the detected current amount. A convergence correction circuit comprising means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177933U JPH0182576U (en) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177933U JPH0182576U (en) | 1987-11-20 | 1987-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0182576U true JPH0182576U (en) | 1989-06-01 |
Family
ID=31469578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177933U Pending JPH0182576U (en) | 1987-11-20 | 1987-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0182576U (en) |
-
1987
- 1987-11-20 JP JP1987177933U patent/JPH0182576U/ja active Pending
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