JPH02128486U - - Google Patents
Info
- Publication number
- JPH02128486U JPH02128486U JP3608689U JP3608689U JPH02128486U JP H02128486 U JPH02128486 U JP H02128486U JP 3608689 U JP3608689 U JP 3608689U JP 3608689 U JP3608689 U JP 3608689U JP H02128486 U JPH02128486 U JP H02128486U
- Authority
- JP
- Japan
- Prior art keywords
- deflection yoke
- coil
- deflection
- neck portion
- correction
- 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
- 238000010586 diagram Methods 0.000 description 12
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は本考案に係る偏向ヨーク装置の一実施
例を示す要部構成図、第２図は同実施例の回路構
成図、第３図ａは垂直偏向電流の波形図、第３図
ｂは本実施例の変調回路により波形整形された補
正電流の波形図、第４図はダイオードの立上がり
特性図、第５図は本実施例におけるＢ字状パター
ンの一補正例を示す説明図、第６図は垂直偏向コ
イルの巻線分布の調整によりＢ字状パターンの中
央部分を補正した状態のパターン図、第７図は本
考案に係る偏向ヨーク装置の他の回路構成図、第
８図はツエナーダイオードによつて形成される変
調回路の回路図、第９図は第８図に示す変調回路
の特性図、第１０図はＢ字状パターンの一例を示
すパターン説明図、第１１図はミスコンバージエ
ンスＹＨの各種パターン図、第１２図は従来のミ
スコンバージエンスＹＨの補正装置を備えた偏向
ヨーク装置の説明図、第１３図は同従来の装置の
動作説明図である。
１……偏向ヨーク、２ａ，２ｂ……補正コイル
、３ａ，３ｂ……Ｉ型コア、４……垂直偏向コイ
ル、５……抵抗器、６，７……ダイオード、８…
…可変抵抗器、１０……変調回路。
Fig. 1 is a main part configuration diagram showing an embodiment of a deflection yoke device according to the present invention, Fig. 2 is a circuit diagram of the same embodiment, Fig. 3a is a waveform diagram of vertical deflection current, and Fig. 3b 4 is a waveform diagram of the correction current waveform-shaped by the modulation circuit of this embodiment, FIG. 4 is a rise characteristic diagram of a diode, FIG. Figure 6 is a pattern diagram with the central part of the B-shaped pattern corrected by adjusting the winding distribution of the vertical deflection coil, Figure 7 is another circuit configuration diagram of the deflection yoke device according to the present invention, and Figure 8 is A circuit diagram of a modulation circuit formed by a Zener diode, FIG. 9 is a characteristic diagram of the modulation circuit shown in FIG. 8, FIG. 10 is a pattern explanatory diagram showing an example of a B-shaped pattern, and FIG. Various patterns of convergence YH, FIG. 12 is an explanatory diagram of a deflection yoke device equipped with a conventional misconvergence YH correction device, and FIG. 13 is an explanatory diagram of the operation of the conventional device. 1... Deflection yoke, 2a, 2b... Correction coil, 3a, 3b... I-type core, 4... Vertical deflection coil, 5... Resistor, 6, 7... Diode, 8...
...Variable resistor, 10...Modulation circuit.
Claims (1)
極とする２極のコンバージエンス補正磁界を発生
する補正コイルが前記偏向ヨークの垂直偏向コイ
ルに接続されて設けられるとともに、該補正コイ
ルには陰極線管の画面のセンター位置から上下中
間部分にかけてのビームの走査領域で垂直偏向電
流が前記補正コイルに加わるのを阻止するダイオ
ードの変調回路が接続されている偏向ヨーク装置
。 A correction coil that generates a two-pole convergence correction magnetic field with poles on the left and right sides of the neck portion is provided at the neck portion of the deflection yoke and is connected to the vertical deflection coil of the deflection yoke. A deflection yoke device connected to a diode modulation circuit that prevents a vertical deflection current from being applied to the correction coil in a beam scanning region from the center position of the screen of the tube to the upper and lower middle portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3608689U JPH02128486U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3608689U JPH02128486U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128486U true JPH02128486U (en) | 1990-10-23 |
Family
ID=31542012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3608689U Pending JPH02128486U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128486U (en) |
-
1989
- 1989-03-29 JP JP3608689U patent/JPH02128486U/ja active Pending
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