KR900003881Y1 - 광학식 픽업의 보정 구동 장치 - Google Patents
광학식 픽업의 보정 구동 장치 Download PDFInfo
- Publication number
- KR900003881Y1 KR900003881Y1 KR2019860003280U KR860003280U KR900003881Y1 KR 900003881 Y1 KR900003881 Y1 KR 900003881Y1 KR 2019860003280 U KR2019860003280 U KR 2019860003280U KR 860003280 U KR860003280 U KR 860003280U KR 900003881 Y1 KR900003881 Y1 KR 900003881Y1
- Authority
- KR
- South Korea
- Prior art keywords
- tracking
- support member
- coil
- lens support
- objective lens
- Prior art date
Links
Classifications
-
- 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985122894U JPS6235415U (US07943777-20110517-C00090.png) | 1985-08-09 | 1985-08-09 | |
JP122897(U) | 1985-08-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870004310U KR870004310U (ko) | 1987-07-31 |
KR900003881Y1 true KR900003881Y1 (ko) | 1990-05-03 |
Family
ID=31013509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860003280U KR900003881Y1 (ko) | 1985-08-09 | 1986-03-19 | 광학식 픽업의 보정 구동 장치 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS6235415U (US07943777-20110517-C00090.png) |
KR (1) | KR900003881Y1 (US07943777-20110517-C00090.png) |
-
1985
- 1985-08-09 JP JP1985122894U patent/JPS6235415U/ja active Pending
-
1986
- 1986-03-19 KR KR2019860003280U patent/KR900003881Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS6235415U (US07943777-20110517-C00090.png) | 1987-03-02 |
KR870004310U (ko) | 1987-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4092529A (en) | Detecting head for use in an apparatus for reading optically an information recorded on a record carrier as a track or tracks | |
US6944103B2 (en) | Optical pick-up actuator | |
KR0185972B1 (ko) | 광 픽업 헤드 장치 | |
US4467463A (en) | Optical device for controlling a light beam | |
US4891799A (en) | Optical head apparatus for writing and reading data on an optical disk having a lens with an inclined optical axis | |
US5136565A (en) | Optical device for reading and writing data on a recording medium | |
US5195074A (en) | Rotatable read/write optical head apparatus | |
EP0350225B1 (en) | Optical head apparatus | |
JPS6220903Y2 (US07943777-20110517-C00090.png) | ||
KR900003881Y1 (ko) | 광학식 픽업의 보정 구동 장치 | |
JPH1091990A (ja) | 対物レンズチルト駆動装置 | |
US5463612A (en) | Objective lens drive apparatus used in optical information recording/reproducing apparatus | |
KR100444563B1 (ko) | 2축액튜에이터및광디스크장치 | |
KR20010051659A (ko) | 대물렌즈 구동장치 | |
JPH0765383A (ja) | 光記録再生装置 | |
JPS6233655B2 (US07943777-20110517-C00090.png) | ||
JPH08263848A (ja) | 対物レンズの傾き調整機構 | |
JPS60254425A (ja) | 光学的情報読取装置に用いる対物レンズ駆動装置 | |
JP3318061B2 (ja) | 光ディスク装置 | |
JPH08203105A (ja) | 対物レンズ駆動装置 | |
KR0118344Y1 (ko) | 광학기록 장치의 광학계 구동 장치 | |
US20040264310A1 (en) | Optical head device | |
JP3441517B2 (ja) | 光学式情報記録再生装置 | |
JPS624908Y2 (US07943777-20110517-C00090.png) | ||
JP2520393B2 (ja) | 光学ヘツド装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
LAPS | Lapse due to unpaid annual fee |