CN100339896C - 物镜驱动装置及具有它的光头装置 - Google Patents

物镜驱动装置及具有它的光头装置 Download PDF

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Publication number
CN100339896C
CN100339896C CNB200510052855XA CN200510052855A CN100339896C CN 100339896 C CN100339896 C CN 100339896C CN B200510052855X A CNB200510052855X A CN B200510052855XA CN 200510052855 A CN200510052855 A CN 200510052855A CN 100339896 C CN100339896 C CN 100339896C
Authority
CN
China
Prior art keywords
pitch drives
coil
magnet
drive mechanism
objective lens
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
Application number
CNB200510052855XA
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English (en)
Chinese (zh)
Other versions
CN1661697A (zh
Inventor
和出达贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Instruments Corp
Original Assignee
Sankyo Seiki Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Publication of CN1661697A publication Critical patent/CN1661697A/zh
Application granted granted Critical
Publication of CN100339896C publication Critical patent/CN100339896C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B7/0935—Details of the moving parts

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  • Optical Recording Or Reproduction (AREA)
CNB200510052855XA 2004-02-23 2005-02-23 物镜驱动装置及具有它的光头装置 Expired - Fee Related CN100339896C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004046895A JP2005235355A (ja) 2004-02-23 2004-02-23 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
JP2004046895 2004-02-23

Publications (2)

Publication Number Publication Date
CN1661697A CN1661697A (zh) 2005-08-31
CN100339896C true CN100339896C (zh) 2007-09-26

Family

ID=34908480

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB200510052855XA Expired - Fee Related CN100339896C (zh) 2004-02-23 2005-02-23 物镜驱动装置及具有它的光头装置

Country Status (3)

Country Link
US (1) US20050195703A1 (enExample)
JP (1) JP2005235355A (enExample)
CN (1) CN100339896C (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5404242B2 (ja) * 2009-08-18 2014-01-29 日本電産サンキョー株式会社 レンズ駆動装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003196871A (ja) * 2001-12-27 2003-07-11 Mitsumi Electric Co Ltd 光ピックアップ装置
JP2003272201A (ja) * 2002-03-15 2003-09-26 Mitsumi Electric Co Ltd 光ピックアップ装置
CN1450536A (zh) * 2002-04-11 2003-10-22 三星电机株式会社 光学头致动器中的三轴驱动装置
JP2003303432A (ja) * 2002-04-09 2003-10-24 Mitsumi Electric Co Ltd 光ピックアップアクチュエータ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5461598A (en) * 1992-09-18 1995-10-24 Eastman Kodak Company Balanced focus actuator for an optical storage system
JP2000222755A (ja) * 1999-01-29 2000-08-11 Matsushita Electric Ind Co Ltd 光ピックアップ装置
KR100486285B1 (ko) * 2002-11-26 2005-04-29 삼성전자주식회사 광픽업 액츄에이터 및 이를 채용한 광 기록 및/또는재생기기

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003196871A (ja) * 2001-12-27 2003-07-11 Mitsumi Electric Co Ltd 光ピックアップ装置
JP2003272201A (ja) * 2002-03-15 2003-09-26 Mitsumi Electric Co Ltd 光ピックアップ装置
JP2003303432A (ja) * 2002-04-09 2003-10-24 Mitsumi Electric Co Ltd 光ピックアップアクチュエータ
CN1450536A (zh) * 2002-04-11 2003-10-22 三星电机株式会社 光学头致动器中的三轴驱动装置

Also Published As

Publication number Publication date
JP2005235355A (ja) 2005-09-02
CN1661697A (zh) 2005-08-31
US20050195703A1 (en) 2005-09-08

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: NIDEC SANKYO CORP.

Free format text: FORMER NAME OR ADDRESS: SANKYO SEIKI MFG. SEISAKUSHO K.K.

CP01 Change in the name or title of a patent holder

Address after: Japan, Suwa, Nagano

Patentee after: Sankyo Seiki Seisakusho KK

Address before: Japan, Suwa, Nagano

Patentee before: Sankyo Seiki Manufacturing Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070926