JPH0339972U - - Google Patents
Info
- Publication number
- JPH0339972U JPH0339972U JP10079689U JP10079689U JPH0339972U JP H0339972 U JPH0339972 U JP H0339972U JP 10079689 U JP10079689 U JP 10079689U JP 10079689 U JP10079689 U JP 10079689U JP H0339972 U JPH0339972 U JP H0339972U
- Authority
- JP
- Japan
- Prior art keywords
- distortion correction
- parabolic voltage
- pincushion distortion
- horizontal
- deflection
- 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
- 238000010586 diagram Methods 0.000 description 2
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装置
の一実施例を示す回路構成図、第２図は、従来の
水平糸巻き歪み補正装置の一例を示す回路構成図
である。
４…パラボラ電圧発生回路、８…振幅変調回路
、１１…ＣＲＴ受像管、２１…水平糸巻き歪み補
正装置、２２…歪み補正量修正回路。
FIG. 1 is a circuit diagram showing an embodiment of the horizontal pincushion distortion correction device of this invention, and FIG. 2 is a circuit diagram showing an example of the conventional horizontal pincushion distortion correction device. 4... Parabolic voltage generation circuit, 8... Amplitude modulation circuit, 11... CRT picture tube, 21... Horizontal pincushion distortion correction device, 22... Distortion correction amount correction circuit.
Claims (1)
き歪み補正用のパラボラ電圧を発生するパラボラ
電圧発生回路と、このパラボラ電圧発生回路から
供給される前記パラボラ電圧をもつて水平偏向電
流を振幅変調し、ＣＲＴ受像管の曲率半径と偏向
中心から管面走査点までの距離差に起因する水平
糸巻き歪みを補正する振幅変調回路と、前記パラ
ボラ電圧発生回路に接続され、前記振幅変調回路
に供給される前記パラボラ電圧の波高値を、前記
ＣＲＴ受像管のアノード電圧にほぼ反比例するご
とく可変し、ビーム電流値によつて異なる偏向中
心と管面走査点までの距離の変動に対応して糸巻
き歪み補正量を修正する歪み補正量修正回路とを
具備する水平糸巻き歪み補正装置。 A parabolic voltage generation circuit that time-integrates the sawtooth vertical deflection current and generates a parabolic voltage for horizontal pincushion distortion correction, and amplitude modulates the horizontal deflection current using the parabolic voltage supplied from the parabolic voltage generation circuit. , an amplitude modulation circuit for correcting horizontal pincushion distortion caused by the radius of curvature of the CRT picture tube and the difference in distance from the center of deflection to the scanning point on the screen surface; The peak value of the parabolic voltage is varied in almost inverse proportion to the anode voltage of the CRT picture tube, and the pincushion distortion correction amount is adjusted in response to the variation in the distance between the deflection center and the tube surface scanning point, which varies depending on the beam current value. A horizontal pincushion distortion correction device comprising a distortion correction amount correction circuit for correcting the distortion correction amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10079689U JPH0339972U (en) | 1989-08-29 | 1989-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10079689U JPH0339972U (en) | 1989-08-29 | 1989-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0339972U true JPH0339972U (en) | 1991-04-17 |
Family
ID=31649778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10079689U Pending JPH0339972U (en) | 1989-08-29 | 1989-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006028676A (en) * | 2004-07-15 | 2006-02-02 | Naigai:Kk | Gun-cut sewing gloves |
| JP2006249633A (en) * | 2005-03-14 | 2006-09-21 | Kashiwada Seisakusho:Kk | Glove |
-
1989
- 1989-08-29 JP JP10079689U patent/JPH0339972U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006028676A (en) * | 2004-07-15 | 2006-02-02 | Naigai:Kk | Gun-cut sewing gloves |
| JP2006249633A (en) * | 2005-03-14 | 2006-09-21 | Kashiwada Seisakusho:Kk | Glove |
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