JPS59221838A - 光デイスクプレ−ヤの対物レンズ駆動装置 - Google Patents
光デイスクプレ−ヤの対物レンズ駆動装置Info
- Publication number
- JPS59221838A JPS59221838A JP9711183A JP9711183A JPS59221838A JP S59221838 A JPS59221838 A JP S59221838A JP 9711183 A JP9711183 A JP 9711183A JP 9711183 A JP9711183 A JP 9711183A JP S59221838 A JPS59221838 A JP S59221838A
- Authority
- JP
- Japan
- Prior art keywords
- driving coil
- holder
- current
- objective lens
- magnet
- 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.)
- Granted
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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary parts
-
- 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
- G11B7/0932—Details of sprung supports
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9711183A JPS59221838A (ja) | 1983-05-31 | 1983-05-31 | 光デイスクプレ−ヤの対物レンズ駆動装置 |
EP84902073A EP0144445B1 (de) | 1983-05-31 | 1984-05-29 | Vorrichtung zum antreiben der objektivlinse eines optischen plattenspielers |
DE8484902073T DE3469814D1 (en) | 1983-05-31 | 1984-05-29 | Apparatus for driving objective lens of optical disc player |
US06/700,818 US4646283A (en) | 1983-05-31 | 1984-05-29 | Objective lens driving apparatus for optical disc player |
US09/120,799 USRE37084E1 (en) | 1983-05-31 | 1984-05-29 | Objective lens driving apparatus for optical disc player |
PCT/JP1984/000275 WO1984004841A1 (en) | 1983-05-31 | 1984-05-29 | Apparatus for driving objective lens of optical disc player |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9711183A JPS59221838A (ja) | 1983-05-31 | 1983-05-31 | 光デイスクプレ−ヤの対物レンズ駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59221838A true JPS59221838A (ja) | 1984-12-13 |
JPH0480452B2 JPH0480452B2 (de) | 1992-12-18 |
Family
ID=14183468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9711183A Granted JPS59221838A (ja) | 1983-05-31 | 1983-05-31 | 光デイスクプレ−ヤの対物レンズ駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59221838A (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61197211A (ja) * | 1985-02-27 | 1986-09-01 | Asahi Chem Ind Co Ltd | ポリオキシメチレン圧延体の製造法 |
JPH0773488A (ja) * | 1994-06-03 | 1995-03-17 | Olympus Optical Co Ltd | レンズ駆動装置 |
JPH0773489A (ja) * | 1994-06-03 | 1995-03-17 | Olympus Optical Co Ltd | レンズ駆動装置 |
JPH07254159A (ja) * | 1995-03-02 | 1995-10-03 | Sony Corp | 対物レンズ駆動装置 |
JPH09134537A (ja) * | 1996-08-22 | 1997-05-20 | Sony Corp | 対物レンズ駆動装置 |
JP2006209875A (ja) * | 2005-01-28 | 2006-08-10 | Matsushita Electric Ind Co Ltd | 光ピックアップ装置及び光ディスク装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53176U (de) * | 1976-06-21 | 1978-01-05 | ||
JPS57168845U (de) * | 1981-04-20 | 1982-10-23 |
-
1983
- 1983-05-31 JP JP9711183A patent/JPS59221838A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53176U (de) * | 1976-06-21 | 1978-01-05 | ||
JPS57168845U (de) * | 1981-04-20 | 1982-10-23 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61197211A (ja) * | 1985-02-27 | 1986-09-01 | Asahi Chem Ind Co Ltd | ポリオキシメチレン圧延体の製造法 |
JPH0773488A (ja) * | 1994-06-03 | 1995-03-17 | Olympus Optical Co Ltd | レンズ駆動装置 |
JPH0773489A (ja) * | 1994-06-03 | 1995-03-17 | Olympus Optical Co Ltd | レンズ駆動装置 |
JPH07254159A (ja) * | 1995-03-02 | 1995-10-03 | Sony Corp | 対物レンズ駆動装置 |
JP2661581B2 (ja) * | 1995-03-02 | 1997-10-08 | ソニー株式会社 | 対物レンズ駆動装置 |
JPH09134537A (ja) * | 1996-08-22 | 1997-05-20 | Sony Corp | 対物レンズ駆動装置 |
JP2006209875A (ja) * | 2005-01-28 | 2006-08-10 | Matsushita Electric Ind Co Ltd | 光ピックアップ装置及び光ディスク装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0480452B2 (de) | 1992-12-18 |
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