JPS63136465U - - Google Patents
Info
- Publication number
- JPS63136465U JPS63136465U JP2849087U JP2849087U JPS63136465U JP S63136465 U JPS63136465 U JP S63136465U JP 2849087 U JP2849087 U JP 2849087U JP 2849087 U JP2849087 U JP 2849087U JP S63136465 U JPS63136465 U JP S63136465U
- Authority
- JP
- Japan
- Prior art keywords
- vertical
- current
- circuit
- parabolic current
- parabolic
- 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
- 241000226585 Antennaria plantaginifolia Species 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は、この考案の水平糸巻き歪み補正回路
の一実施例を示す回路図、第２図は、従来の糸巻
き歪み補正回路の一例を示す回路図、第３図は、
垂直偏向周波数による糸巻き歪み補正効果の違い
を説明するための図である。
ＬＨ……水平偏向コイル、３……可飽和リアク
タ、３ａ……一次側巻き線、３ｂ……二次側巻き
線、４ａ……垂直発振・出力回路、６……パラボ
ラ電流発生回路、１１……水平糸巻き歪み補正回
路、１２……自動利得制御回路。
FIG. 1 is a circuit diagram showing an embodiment of the horizontal pincushion distortion correction circuit of this invention, FIG. 2 is a circuit diagram showing an example of a conventional pincushion distortion correction circuit, and FIG. 3 is a circuit diagram showing an example of a conventional pincushion distortion correction circuit.
FIG. 6 is a diagram for explaining the difference in the pincushion distortion correction effect depending on the vertical deflection frequency. LH...Horizontal deflection coil, 3...Saturable reactor, 3a...Primary winding, 3b...Secondary winding, 4a...Vertical oscillation/output circuit, 6...Parabola current generation circuit, 11... ...Horizontal pincushion distortion correction circuit, 12...Automatic gain control circuit.
Claims (1)
垂直走査周期の垂直パラボラ電流を発生するパラ
ボラ電流発生回路と、このパラボラ電流発生回路
に接続された一次側巻き線と水平偏向コイルに直
列接続された二次側巻き線を有し、水平偏向電流
を垂直パラボラ電流により振幅変調することで、
水平糸巻き歪みを補正する可飽和リアクタと、前
記パラボラ電流発生回路に作用し、垂直偏向周波
数によらず垂直パラボラ電流の波高値を一定に制
御する自動利得制御回路からなる水平糸巻き歪み
補正回路。 A parabolic current generating circuit that generates a vertical parabolic current with a vertical scanning period using the output sawtooth current of the vertical oscillation/output circuit, and a primary winding connected to this parabolic current generating circuit and a horizontal deflection coil connected in series. By amplitude modulating the horizontal deflection current with the vertical parabolic current,
A horizontal pincushion distortion correction circuit comprising a saturable reactor that corrects horizontal pincushion distortion, and an automatic gain control circuit that acts on the parabolic current generation circuit and controls the peak value of the vertical parabolic current to be constant regardless of the vertical deflection frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2849087U JPS63136465U (en) | 1987-02-27 | 1987-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2849087U JPS63136465U (en) | 1987-02-27 | 1987-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63136465U true JPS63136465U (en) | 1988-09-07 |
Family
ID=30831501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2849087U Pending JPS63136465U (en) | 1987-02-27 | 1987-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63136465U (en) |
-
1987
- 1987-02-27 JP JP2849087U patent/JPS63136465U/ja active Pending
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