JPH02126485U - - Google Patents
Info
- Publication number
- JPH02126485U JPH02126485U JP3489189U JP3489189U JPH02126485U JP H02126485 U JPH02126485 U JP H02126485U JP 3489189 U JP3489189 U JP 3489189U JP 3489189 U JP3489189 U JP 3489189U JP H02126485 U JPH02126485 U JP H02126485U
- Authority
- JP
- Japan
- Prior art keywords
- correction
- current
- correction coil
- coil
- supplied
- 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
- 238000010586 diagram Methods 0.000 description 14
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は本考案に係るコンバージエンス補正装
置を偏向ヨークへの装着状態で示す一実施例の外
観構成図、第２図は本考案に係るコンバージエン
ス補正装置の第１の実施例の回路図、第３図はミ
スコンバージエンスＹＨとＶＣＲの補正動作の説
明図、第４図は本考案の第２の実施例の回路図、
第５図は本考案の第３の実施例の回路図、第６図
は本考案の第４の実施例の回路図、第７図は本考
案の第５の実施例の回路図、第８図は本考案の第
６の実施例の回路図、第９図は補正コイルにバラ
ンス電流と逆向きの電流が流れることによるＹＨ
の補正状態を示す説明図、第１０図は従来のミス
コンバージエンスＹＨの補正装置の説明図、第１
１図は第１０図の装置の回路図、第１２図および
第１３図は従来のミスコンバージエンスＶＣＲの
装置動作を示し、第１２図はミスコンバージエン
スＶＣＲのワイド方向の補正状態図、第１３図は
同ミスコンバージエンスＶＣＲのナロー方向の補
正状態図、第１４図はミスコンバージエンスＶＣ
Ｒのパターン説明図、第１５図はミスコンバージ
エンスＹＨのパターン説明図である。
１……偏向ヨーク、２，３……補正コイル、４
……整流回路、５……垂直偏向ヨーク、６，７…
…補正コイル、８……動作電流分流回路、１０，
１１……補正コイル、１２……抵抗器、１３……
第１のダイオード、１４……第２のダイオード、
１５，１６，１７，１８，２０，２１……可変抵
抗器、２２……逆電流阻止コイル。
Fig. 1 is an external configuration diagram of an embodiment of the convergence correction device according to the present invention shown in a state attached to a deflection yoke, and Fig. 2 is a circuit diagram of the first embodiment of the convergence correction device according to the present invention. , FIG. 3 is an explanatory diagram of the misconvergence YH and VCR correction operation, and FIG. 4 is a circuit diagram of the second embodiment of the present invention.
5 is a circuit diagram of the third embodiment of the present invention, FIG. 6 is a circuit diagram of the fourth embodiment of the present invention, FIG. 7 is a circuit diagram of the fifth embodiment of the present invention, and FIG. The figure is a circuit diagram of the sixth embodiment of the present invention, and Figure 9 is a YH caused by a current flowing in the opposite direction to the balance current in the correction coil.
FIG. 10 is an explanatory diagram showing the correction state of the conventional misconvergence YH.
1 is a circuit diagram of the device shown in FIG. 10, FIGS. 12 and 13 show the operation of the conventional misconvergence VCR, FIG. 12 is a correction state diagram in the wide direction of the misconvergence VCR, and FIG. The figure is a correction state diagram in the narrow direction of the same misconvergence VCR, and Figure 14 is a misconvergence VC
FIG. 15 is an explanatory diagram of the pattern of R, and FIG. 15 is an explanatory diagram of the pattern of misconvergence YH. 1... Deflection yoke, 2, 3... Correction coil, 4
... Rectifier circuit, 5 ... Vertical deflection yoke, 6, 7 ...
...Correction coil, 8...Operating current shunt circuit, 10,
11... Correction coil, 12... Resistor, 13...
First diode, 14... second diode,
15, 16, 17, 18, 20, 21...variable resistor, 22...reverse current blocking coil.
Claims (1)
らボトム側に凸となる湾曲した水平方向のコンバ
ージエンス補正磁界を発生する第１の補正コイル
と、偏向ヨークに装着され偏向ヨークのボトム側
からトツプ側に凸となる湾曲した水平方向のコン
バージエンス補正磁界を発生する第２の補正コイ
ルと、陰極線管の画面の上側にビームを振るとき
と下側にビームを振るときとで交互に垂直偏向電
流の補正電流を第１の補正コイルと第２の補正コ
イルに供給するとともに、一方の補正コイルに補
正電流を供給しているときには他方の補正コイル
に前記補正電流よりは小さい垂直偏向電流のバラ
ンス電流を供給する動作電流分流回路とを有する
コンバージエンス補正回路。 A first correction coil that is attached to the deflection yoke and generates a curved horizontal convergence correction magnetic field that protrudes from the top side of the deflection yoke to the bottom side of the deflection yoke; A second correction coil generates a convex, curved horizontal convergence correction magnetic field, and vertical deflection current is corrected alternately when the beam is directed above and below the cathode ray tube screen. A current is supplied to the first correction coil and a second correction coil, and when a correction current is being supplied to one correction coil, a balance current of a vertical deflection current smaller than the correction current is supplied to the other correction coil. an operating current shunt circuit; and a convergence correction circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034891U JP2522885Y2 (en) | 1989-03-28 | 1989-03-28 | Convergence correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034891U JP2522885Y2 (en) | 1989-03-28 | 1989-03-28 | Convergence correction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02126485U true JPH02126485U (en) | 1990-10-18 |
| JP2522885Y2 JP2522885Y2 (en) | 1997-01-16 |
Family
ID=31539761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989034891U Expired - Lifetime JP2522885Y2 (en) | 1989-03-28 | 1989-03-28 | Convergence correction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522885Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1063674A1 (en) * | 1998-12-28 | 2000-12-27 | Kabushiki Kaisha Toshiba | Color cathode-ray tube device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6175681U (en) * | 1984-10-20 | 1986-05-21 | ||
| JPS61148751A (en) * | 1984-12-21 | 1986-07-07 | Denki Onkyo Co Ltd | Deflection yoke apparatus |
| JPS6235440A (en) * | 1985-08-08 | 1987-02-16 | Denki Onkyo Co Ltd | Deflection york device |
| JPS63205033A (en) * | 1987-02-20 | 1988-08-24 | Fujitsu Ltd | Manufacture of liquid metal ion source |
-
1989
- 1989-03-28 JP JP1989034891U patent/JP2522885Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6175681U (en) * | 1984-10-20 | 1986-05-21 | ||
| JPS61148751A (en) * | 1984-12-21 | 1986-07-07 | Denki Onkyo Co Ltd | Deflection yoke apparatus |
| JPS6235440A (en) * | 1985-08-08 | 1987-02-16 | Denki Onkyo Co Ltd | Deflection york device |
| JPS63205033A (en) * | 1987-02-20 | 1988-08-24 | Fujitsu Ltd | Manufacture of liquid metal ion source |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1063674A1 (en) * | 1998-12-28 | 2000-12-27 | Kabushiki Kaisha Toshiba | Color cathode-ray tube device |
| EP1063674A4 (en) * | 1998-12-28 | 2006-11-15 | Toshiba Kk | Color cathode-ray tube device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2522885Y2 (en) | 1997-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |