KR930006575Y1 - 선형직류 모터를 이용한 광디스크 기기에서의 픽업 가동부 진동방지 회로 - Google Patents
선형직류 모터를 이용한 광디스크 기기에서의 픽업 가동부 진동방지 회로 Download PDFInfo
- Publication number
- KR930006575Y1 KR930006575Y1 KR2019880015835U KR880015835U KR930006575Y1 KR 930006575 Y1 KR930006575 Y1 KR 930006575Y1 KR 2019880015835 U KR2019880015835 U KR 2019880015835U KR 880015835 U KR880015835 U KR 880015835U KR 930006575 Y1 KR930006575 Y1 KR 930006575Y1
- Authority
- KR
- South Korea
- Prior art keywords
- linear
- motor
- moving part
- pickup
- pickup moving
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 8
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0946—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Abstract
Description
Claims (1)
- 광디스크 기기의 픽업 가동부에 있어서, 선형 직류모터(1)의 속도 감지부 코일(LB)의 전압을 미분기(OP1)로 입력하여 증폭기(OP2)에 증폭시켜서 선형 직류모터(1)의 가속도에 비례한 전압을 픽업 가동부의 구동단자에 연결하여 선형직류모터(1)의 이동시 픽업 가동부의 진동을 방지 하도록 하는 광 디스크 기기의 픽업 가동부 진동방지 회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880015835U KR930006575Y1 (ko) | 1988-09-29 | 1988-09-29 | 선형직류 모터를 이용한 광디스크 기기에서의 픽업 가동부 진동방지 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880015835U KR930006575Y1 (ko) | 1988-09-29 | 1988-09-29 | 선형직류 모터를 이용한 광디스크 기기에서의 픽업 가동부 진동방지 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900007277U KR900007277U (ko) | 1990-04-04 |
KR930006575Y1 true KR930006575Y1 (ko) | 1993-09-28 |
Family
ID=19279714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880015835U KR930006575Y1 (ko) | 1988-09-29 | 1988-09-29 | 선형직류 모터를 이용한 광디스크 기기에서의 픽업 가동부 진동방지 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930006575Y1 (ko) |
-
1988
- 1988-09-29 KR KR2019880015835U patent/KR930006575Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900007277U (ko) | 1990-04-04 |
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Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19880929 |
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