DE3608269A1 - Optische informations-aufzeichnungs- und/oder -wiedergabeeinrichtung - Google Patents
Optische informations-aufzeichnungs- und/oder -wiedergabeeinrichtungInfo
- Publication number
- DE3608269A1 DE3608269A1 DE19863608269 DE3608269A DE3608269A1 DE 3608269 A1 DE3608269 A1 DE 3608269A1 DE 19863608269 DE19863608269 DE 19863608269 DE 3608269 A DE3608269 A DE 3608269A DE 3608269 A1 DE3608269 A1 DE 3608269A1
- Authority
- DE
- Germany
- Prior art keywords
- sensor
- lens holder
- tracking
- permanent magnet
- movement
- 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
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60049548A JPS61208641A (ja) | 1985-03-13 | 1985-03-13 | 光学的情報記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3608269A1 true DE3608269A1 (de) | 1986-09-18 |
DE3608269C2 DE3608269C2 (US08124630-20120228-C00102.png) | 1989-02-23 |
Family
ID=12834247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863608269 Granted DE3608269A1 (de) | 1985-03-13 | 1986-03-12 | Optische informations-aufzeichnungs- und/oder -wiedergabeeinrichtung |
Country Status (3)
Country | Link |
---|---|
US (1) | US4769803A (US08124630-20120228-C00102.png) |
JP (1) | JPS61208641A (US08124630-20120228-C00102.png) |
DE (1) | DE3608269A1 (US08124630-20120228-C00102.png) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0252651A1 (en) * | 1986-06-24 | 1988-01-13 | Sharp Kabushiki Kaisha | An objective lens driving unit |
EP0291911A2 (en) * | 1987-05-18 | 1988-11-23 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Variable inductance lens position transducer |
EP0322840A2 (en) * | 1987-12-26 | 1989-07-05 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
EP0322841A2 (en) * | 1987-12-28 | 1989-07-05 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
US5003524A (en) * | 1987-12-26 | 1991-03-26 | Kabushiki Kaisha Toshiba | Optical disk drive with an accurately positioned objective lens |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4956833A (en) * | 1986-03-31 | 1990-09-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective driving device for an optical disk apparatus |
US4868802A (en) * | 1986-07-28 | 1989-09-19 | Kabushiki Kaisha Toshiba | Magnetooptic recording and erasing head which performs biasing, tracking and focusing |
JPH0727606B2 (ja) * | 1986-12-11 | 1995-03-29 | ソニー株式会社 | 記録型光デイスクに対する磁界印加装置 |
US4891799A (en) * | 1987-03-13 | 1990-01-02 | Fuji Electrochemical Co., Ltd. | Optical head apparatus for writing and reading data on an optical disk having a lens with an inclined optical axis |
US5073881A (en) * | 1987-06-24 | 1991-12-17 | Matsushita Electric Industrial Co., Ltd. | Optical disc apparatus with rapid and stable accessing capability |
JPH0750528B2 (ja) * | 1987-06-25 | 1995-05-31 | 三菱電機株式会社 | 対物レンズ駆動装置 |
US5138593A (en) * | 1987-08-18 | 1992-08-11 | Yamaha Corporation | Vibration control for an optical pickup actuator driving device |
JPH01201831A (ja) * | 1988-02-05 | 1989-08-14 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
US5406532A (en) * | 1988-03-04 | 1995-04-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system for a magneto-optical recording/reproducing apparatus |
JPH01137269U (US08124630-20120228-C00102.png) * | 1988-03-08 | 1989-09-20 | ||
US5374817A (en) * | 1988-05-11 | 1994-12-20 | Symbol Technologies, Inc. | Pre-objective scanner with flexible optical support |
JP2676371B2 (ja) * | 1988-07-04 | 1997-11-12 | パイオニア株式会社 | ピックアップの高さ調整装置 |
JPH02281431A (ja) * | 1989-04-21 | 1990-11-19 | Teac Corp | 対物レンズ駆動装置 |
US6141300A (en) | 1989-06-20 | 2000-10-31 | Discovision Associates | Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same |
US5265079A (en) | 1991-02-15 | 1993-11-23 | Applied Magnetics Corporation | Seek actuator for optical recording |
JP2593941B2 (ja) * | 1989-08-19 | 1997-03-26 | 富士通株式会社 | 光ディスク装置のアクチュエータオフセット除去装置 |
US5107372A (en) * | 1989-09-06 | 1992-04-21 | Daniel Gelbart | Focus servo actuator for moving lens scanners |
JPH0457223A (ja) * | 1990-06-25 | 1992-02-25 | Olympus Optical Co Ltd | 光記録/再生装置 |
US5808980A (en) * | 1991-02-15 | 1998-09-15 | Discovision Associates | Seek actuator for optical recording |
US6069857A (en) | 1991-02-15 | 2000-05-30 | Discovision Associates | Optical disc system having improved circuitry for performing blank sector check on readable disc |
US5677899A (en) | 1991-02-15 | 1997-10-14 | Discovision Associates | Method for moving carriage assembly from initial position to target position relative to storage medium |
US5729511A (en) | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
US6236625B1 (en) | 1991-02-15 | 2001-05-22 | Discovision Associates | Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
US5214513A (en) * | 1991-07-11 | 1993-05-25 | Eastman Kodak Company | Apparatus for imparting motion to a solid-state image sensor |
US5321678A (en) * | 1991-08-13 | 1994-06-14 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical head carriage, tracking mechanism and displacement detecting mechanism |
US5220460A (en) * | 1991-09-24 | 1993-06-15 | Eastman Kodak Company | Adjustable mount for cylindrical lens with torque applied directly to lens |
US5194993A (en) * | 1991-09-24 | 1993-03-16 | Eastman Kodak Company | Adjustable mount for cylindrical lens |
US5210648A (en) * | 1991-09-24 | 1993-05-11 | Eastman Kodak Company | Adjustable mount for cylindrical lens with independent rotational feature |
US5416756A (en) * | 1991-11-07 | 1995-05-16 | Mitsubishi Denki Kabushiki Kaisha | Lens actuating system with improved frequency response for optical disk drive |
US5289445A (en) * | 1992-02-11 | 1994-02-22 | International Business Machines Corporation | Suspension system for focus actuator of an optical disk drive |
KR0167891B1 (ko) * | 1992-04-06 | 1999-03-20 | 강진구 | 디스크 시스템의 조기 브레이크 구동방법 |
US6091684A (en) | 1995-01-25 | 2000-07-18 | Discovision Associates | Optical disc system and method for changing the rotational rate of an information storage medium |
US5920539A (en) * | 1995-01-25 | 1999-07-06 | Discovision Associates | Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor |
US5748578A (en) | 1995-01-25 | 1998-05-05 | Discovision Associates | Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
US6434087B1 (en) | 1995-01-25 | 2002-08-13 | Discovision Associates | Optical disc system and method for controlling bias coil and light source to process information on a storage medium |
JPH08273170A (ja) * | 1995-02-01 | 1996-10-18 | Canon Inc | 光学的情報記録再生装置と光学的情報記録再生方法 |
EP0905694A1 (en) * | 1997-09-29 | 1999-03-31 | Deutsche Thomson-Brandt Gmbh | Tracking device with a coil driven actuator and a sensor coil to determine a position of the actuator |
CN1132163C (zh) * | 1997-10-06 | 2003-12-24 | 皇家菲利浦电子有限公司 | 用于从/向记录介质读取和/或写入信息的设备 |
JPH11356029A (ja) * | 1998-04-08 | 1999-12-24 | Mikuni Corp | 電磁アクチュエ―タ |
US6496453B2 (en) * | 2000-03-27 | 2002-12-17 | Matsushita Electric Industrial Co., Ltd. | Optical pickup |
US6424472B1 (en) * | 2001-04-06 | 2002-07-23 | Wen Ching Chen | Lens assembly |
DE102004020615B4 (de) * | 2004-04-27 | 2007-02-22 | Diehl Bgt Defence Gmbh & Co. Kg | Verfahren und Vorrichtung zur Abbildung einer Objektszene auf einen Detektor |
CN101078804B (zh) * | 2006-05-24 | 2010-07-28 | 鸿富锦精密工业(深圳)有限公司 | 镜头模组 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3208030A1 (de) * | 1981-03-07 | 1982-09-23 | Olympus Optical Co., Ltd., Tokyo | Vorrichtung zum verstellen eines objektivs in einer spurfuehrungsrichtung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL176315C (nl) * | 1976-05-12 | 1985-03-18 | Philips Nv | Optische aftastinrichting. |
GB2052829B (en) * | 1979-04-27 | 1983-01-12 | Olympus Optical Co | Apparatus for driving objective lens in tracking direction |
JPS56117337A (en) * | 1980-02-16 | 1981-09-14 | Olympus Optical Co Ltd | Driving device for objective lens |
JPS57103131A (en) * | 1980-12-18 | 1982-06-26 | Sony Corp | Biaxial driver |
JPS57210456A (en) * | 1981-06-22 | 1982-12-24 | Sony Corp | Objective lens device |
JPH077513B2 (ja) * | 1982-11-04 | 1995-01-30 | パイオニア株式会社 | 光学式情報読取装置 |
-
1985
- 1985-03-13 JP JP60049548A patent/JPS61208641A/ja active Pending
-
1986
- 1986-03-11 US US06/838,749 patent/US4769803A/en not_active Expired - Fee Related
- 1986-03-12 DE DE19863608269 patent/DE3608269A1/de active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3208030A1 (de) * | 1981-03-07 | 1982-09-23 | Olympus Optical Co., Ltd., Tokyo | Vorrichtung zum verstellen eines objektivs in einer spurfuehrungsrichtung |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0252651A1 (en) * | 1986-06-24 | 1988-01-13 | Sharp Kabushiki Kaisha | An objective lens driving unit |
US4782476A (en) * | 1986-06-24 | 1988-11-01 | Sharp Kabushiki Kaisha | Objective lens-driving unit |
EP0291911A2 (en) * | 1987-05-18 | 1988-11-23 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Variable inductance lens position transducer |
EP0291911A3 (en) * | 1987-05-18 | 1990-10-10 | Eastman Kodak Company | Variable inductance lens position transducer |
EP0322840A2 (en) * | 1987-12-26 | 1989-07-05 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
EP0322840A3 (en) * | 1987-12-26 | 1989-08-02 | Kabushiki Kaisha Toshiba | Optical disk apparatus optical disk apparatus |
US5003524A (en) * | 1987-12-26 | 1991-03-26 | Kabushiki Kaisha Toshiba | Optical disk drive with an accurately positioned objective lens |
EP0322841A2 (en) * | 1987-12-28 | 1989-07-05 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
EP0322841A3 (en) * | 1987-12-28 | 1989-08-02 | Kabushiki Kaisha Toshiba | Optical disk apparatus optical disk apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE3608269C2 (US08124630-20120228-C00102.png) | 1989-02-23 |
US4769803A (en) | 1988-09-06 |
JPS61208641A (ja) | 1986-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |