DE69731436D1 - Antriebsvorrichtung für eine Objektivlinse und damit ausgerüstetes optisches Plattengerät - Google Patents
Antriebsvorrichtung für eine Objektivlinse und damit ausgerüstetes optisches PlattengerätInfo
- Publication number
- DE69731436D1 DE69731436D1 DE69731436T DE69731436T DE69731436D1 DE 69731436 D1 DE69731436 D1 DE 69731436D1 DE 69731436 T DE69731436 T DE 69731436T DE 69731436 T DE69731436 T DE 69731436T DE 69731436 D1 DE69731436 D1 DE 69731436D1
- Authority
- DE
- Germany
- Prior art keywords
- optical disk
- objective lens
- equipped therewith
- drive device
- disk device
- 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.)
- Expired - Fee Related
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
- G11B7/12—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
-
- 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
-
- 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
- G11B7/0935—Details of the moving 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
- G11B7/12—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
- G11B7/1362—Mirrors
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21737396 | 1996-08-19 | ||
JP21737396 | 1996-08-19 | ||
JP21968396A JP3409973B2 (ja) | 1996-08-21 | 1996-08-21 | 光ピックアップ装置及び光ディスク装置 |
JP21968396 | 1996-08-21 | ||
JP25269796A JP3441895B2 (ja) | 1996-09-25 | 1996-09-25 | 対物レンズ駆動装置 |
JP25269796 | 1996-09-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69731436D1 true DE69731436D1 (de) | 2004-12-09 |
DE69731436T2 DE69731436T2 (de) | 2005-04-07 |
Family
ID=27330017
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69738951T Expired - Fee Related DE69738951D1 (de) | 1996-08-19 | 1997-08-14 | Antriebsvorrichtung für eine Objektivlinse und damit ausgerüstetes optisches Plattengerät |
DE69731436T Expired - Fee Related DE69731436T2 (de) | 1996-08-19 | 1997-08-14 | Antriebsvorrichtung für eine Objektivlinse und damit ausgerüstetes optisches Plattengerät |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69738951T Expired - Fee Related DE69738951D1 (de) | 1996-08-19 | 1997-08-14 | Antriebsvorrichtung für eine Objektivlinse und damit ausgerüstetes optisches Plattengerät |
Country Status (8)
Country | Link |
---|---|
US (3) | US6195314B1 (de) |
EP (2) | EP1469462B1 (de) |
KR (2) | KR100298825B1 (de) |
CN (2) | CN1105382C (de) |
CA (1) | CA2213308C (de) |
DE (2) | DE69738951D1 (de) |
MY (2) | MY121676A (de) |
TW (1) | TW432377B (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000353330A (ja) * | 1999-06-11 | 2000-12-19 | Sony Corp | 対物レンズ駆動装置 |
JP2002260258A (ja) * | 2000-12-28 | 2002-09-13 | Sony Corp | 対物レンズ駆動装置及びこれを備えたディスク装置 |
US7017447B2 (en) * | 2001-06-19 | 2006-03-28 | Chung-Nan Mu | Driving device for automatically exerting a variable torque on an output shaft that rotates at a constant speed |
JP4319797B2 (ja) * | 2001-11-12 | 2009-08-26 | 三菱電機株式会社 | 対物レンズ駆動装置 |
JP3667704B2 (ja) * | 2002-03-22 | 2005-07-06 | 三菱電機株式会社 | 光学素子駆動装置及び光ディスク装置 |
US6996037B2 (en) * | 2002-05-22 | 2006-02-07 | Industrial Technology Research Institute | Pickup head actuator |
JP4154985B2 (ja) * | 2002-10-02 | 2008-09-24 | 松下電器産業株式会社 | 光ピックアップ装置及び光ディスク装置 |
TW200540857A (en) * | 2004-05-10 | 2005-12-16 | Konica Minolta Opto Inc | Optical pickup apparatus |
KR20060003176A (ko) * | 2004-07-05 | 2006-01-10 | 삼성전자주식회사 | 광픽업 및 이를 채용한 광 기록 및/또는 재생기기 |
US7285879B2 (en) * | 2004-08-09 | 2007-10-23 | Mitsumi Electric Co., Ltd. | Autofocus actuator |
US7291942B2 (en) * | 2004-08-13 | 2007-11-06 | Mitsumi Electric Co., Ltd. | Autofocus actuator |
TWI303915B (en) | 2005-03-24 | 2008-12-01 | Voice coil motor apparatus | |
JP4551863B2 (ja) * | 2005-10-21 | 2010-09-29 | シコー株式会社 | レンズ駆動装置 |
JP2007287365A (ja) * | 2006-04-13 | 2007-11-01 | Jeol Ltd | 多極子レンズ及び多極子レンズの製造方法 |
JP4799308B2 (ja) * | 2006-07-31 | 2011-10-26 | 株式会社ハーモニック・ドライブ・システムズ | リニアアクチュエータ |
US7561346B1 (en) * | 2007-01-12 | 2009-07-14 | Applied Energetics, Inc | Angular shear plate |
JP2008176887A (ja) * | 2007-01-22 | 2008-07-31 | Funai Electric Co Ltd | 対物レンズアクチュエータ及びそれを備えた光ピックアップ装置 |
JP2009020928A (ja) * | 2007-07-10 | 2009-01-29 | Fujitsu Ltd | 光ピックアップおよび光ディスク装置 |
JP5069552B2 (ja) * | 2007-12-25 | 2012-11-07 | 株式会社リコー | 光学ユニットおよび画像読取装置ならびに画像形成装置 |
CN102640029A (zh) * | 2009-12-04 | 2012-08-15 | 三洋电机株式会社 | 透镜驱动装置及搭载有透镜驱动装置的相机模块、便携式电话 |
JP5904392B2 (ja) * | 2010-05-24 | 2016-04-13 | 新シコー科技株式会社 | レンズ駆動装置、オートフォーカスカメラ及びカメラ付きモバイル端末装置 |
JP2012103558A (ja) * | 2010-11-11 | 2012-05-31 | Shicoh Engineering Co Ltd | レンズ駆動装置、オートフォーカスカメラ及びカメラ付きモバイル端末 |
US9217841B2 (en) | 2011-01-25 | 2015-12-22 | Hong Kong Applied Science & Technology Research Institute Company, Limited | Compact camera module with zoom and auto-focus actuators sharing the same rotating annular magnet with alternating thick and thin poles |
US8737830B2 (en) * | 2011-07-25 | 2014-05-27 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Interchangeable zoom lens actuator with auto-focus adjustment |
US8428451B2 (en) * | 2011-07-25 | 2013-04-23 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Interchangeable zoom lens actuator |
CN103293824B (zh) * | 2013-03-13 | 2016-02-17 | 香港应用科技研究院有限公司 | 具有自动对焦调整的可互换变焦透镜致动器 |
US8792782B1 (en) * | 2013-03-13 | 2014-07-29 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Interchangeable zoom lens actuator with auto-focus adjustment |
CN114679528B (zh) | 2014-01-03 | 2024-04-30 | Lg伊诺特有限公司 | 音圈马达和摄像头模块 |
CN104020546B (zh) * | 2014-06-19 | 2017-04-26 | 深圳市世尊科技有限公司 | 一种可同时实现光学变焦和光学防抖的对焦马达 |
JP6364687B2 (ja) | 2016-10-31 | 2018-08-01 | Thk株式会社 | レンズ移動機構 |
JP7114412B2 (ja) | 2018-09-04 | 2022-08-08 | キヤノン株式会社 | レンズ装置およびこれを備えたカメラシステム |
JP7321686B2 (ja) | 2018-09-04 | 2023-08-07 | キヤノン株式会社 | レンズ装置およびこれを備えるカメラシステム |
JP7123703B2 (ja) * | 2018-09-04 | 2022-08-23 | キヤノン株式会社 | レンズ装置およびこれを備えるカメラシステム |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62141646A (ja) * | 1985-12-17 | 1987-06-25 | Seiko Instr & Electronics Ltd | 対物レンズ駆動装置 |
JPS62287439A (ja) * | 1986-06-05 | 1987-12-14 | Canon Inc | 光学ヘツド |
US4916076A (en) | 1988-06-17 | 1990-04-10 | Battelle Memorial Institute | Method to predict relative hydriding within a group of zirconium alloys under nuclear irradiation |
JPH0670606B2 (ja) | 1988-07-25 | 1994-09-07 | 株式会社新潟鐵工所 | クリープ寿命消費率が連続的に変化する試料の作成方法 |
JP2757891B2 (ja) * | 1989-11-10 | 1998-05-25 | キヤノン株式会社 | アクチュエータ |
JPH04184721A (ja) * | 1990-11-19 | 1992-07-01 | Kyocera Corp | 対物レンズアクチュエータ |
JP3353405B2 (ja) | 1993-07-21 | 2002-12-03 | チッソ株式会社 | 筒状フィルターの製造方法 |
JP3495123B2 (ja) * | 1994-01-19 | 2004-02-09 | 株式会社東芝 | 光学的ヘッド装置 |
US5729510A (en) * | 1994-01-19 | 1998-03-17 | Kabushiki Kaisha Toshiba | Optical head used for recording on optical recording medium having various thicknesses, warpage and the like |
JP3519804B2 (ja) * | 1994-11-10 | 2004-04-19 | オリンパス株式会社 | 光ピックアップ装置 |
JPH08221779A (ja) | 1995-02-20 | 1996-08-30 | Mitsubishi Electric Corp | 対物レンズ駆動装置及び光ヘッド装置 |
EP0727776B1 (de) | 1995-02-20 | 2003-01-15 | Mitsubishi Denki Kabushiki Kaisha | Objektivlinsenantriebsvorrichtung und optische Informationsaufzeichnungs-/-wiedergabevorrichtung |
-
1997
- 1997-07-25 KR KR1019970034881A patent/KR100298825B1/ko not_active IP Right Cessation
- 1997-08-13 TW TW086111621A patent/TW432377B/zh not_active IP Right Cessation
- 1997-08-14 EP EP04017651A patent/EP1469462B1/de not_active Expired - Lifetime
- 1997-08-14 DE DE69738951T patent/DE69738951D1/de not_active Expired - Fee Related
- 1997-08-14 EP EP97114111A patent/EP0825594B1/de not_active Expired - Lifetime
- 1997-08-14 DE DE69731436T patent/DE69731436T2/de not_active Expired - Fee Related
- 1997-08-15 MY MYPI97003764A patent/MY121676A/en unknown
- 1997-08-15 MY MYPI20043431A patent/MY127375A/en unknown
- 1997-08-18 CA CA002213308A patent/CA2213308C/en not_active Expired - Fee Related
- 1997-08-19 US US08/968,753 patent/US6195314B1/en not_active Expired - Fee Related
- 1997-08-19 CN CN97119333A patent/CN1105382C/zh not_active Expired - Fee Related
-
1999
- 1999-08-04 KR KR1019990031919A patent/KR100295377B1/ko not_active IP Right Cessation
-
2000
- 2000-08-08 US US09/634,548 patent/US6567352B1/en not_active Expired - Fee Related
-
2002
- 2002-04-19 CN CNB021181411A patent/CN1174392C/zh not_active Expired - Fee Related
-
2003
- 2003-03-14 US US10/387,386 patent/US6680883B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW432377B (en) | 2001-05-01 |
DE69738951D1 (de) | 2008-10-09 |
US6680883B2 (en) | 2004-01-20 |
KR100295377B1 (ko) | 2001-07-12 |
CN1105382C (zh) | 2003-04-09 |
US6195314B1 (en) | 2001-02-27 |
CA2213308A1 (en) | 1998-02-19 |
EP0825594A2 (de) | 1998-02-25 |
KR19980018212A (ko) | 1998-06-05 |
EP1469462A2 (de) | 2004-10-20 |
US6567352B1 (en) | 2003-05-20 |
MY127375A (en) | 2006-11-30 |
CA2213308C (en) | 2001-10-02 |
CN1181580A (zh) | 1998-05-13 |
EP1469462A3 (de) | 2004-12-22 |
EP1469462B1 (de) | 2008-08-27 |
EP0825594B1 (de) | 2004-11-03 |
MY121676A (en) | 2006-02-28 |
EP0825594A3 (de) | 1998-11-25 |
CN1389859A (zh) | 2003-01-08 |
KR100298825B1 (ko) | 2001-10-26 |
DE69731436T2 (de) | 2005-04-07 |
US20030137919A1 (en) | 2003-07-24 |
CN1174392C (zh) | 2004-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |