DE69016908D1 - Linsenantrieb. - Google Patents

Linsenantrieb.

Info

Publication number
DE69016908D1
DE69016908D1 DE69016908T DE69016908T DE69016908D1 DE 69016908 D1 DE69016908 D1 DE 69016908D1 DE 69016908 T DE69016908 T DE 69016908T DE 69016908 T DE69016908 T DE 69016908T DE 69016908 D1 DE69016908 D1 DE 69016908D1
Authority
DE
Germany
Prior art keywords
lens drive
lens
drive
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
DE69016908T
Other languages
English (en)
Other versions
DE69016908T2 (de
Inventor
Hiroyuki Hagiwara
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE69016908D1 publication Critical patent/DE69016908D1/de
Application granted granted Critical
Publication of DE69016908T2 publication Critical patent/DE69016908T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69016908T 1989-10-05 1990-10-04 Linsenantrieb. Expired - Fee Related DE69016908T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1258880A JPH03122826A (ja) 1989-10-05 1989-10-05 アクチュエータ

Publications (2)

Publication Number Publication Date
DE69016908D1 true DE69016908D1 (de) 1995-03-23
DE69016908T2 DE69016908T2 (de) 1995-07-06

Family

ID=17326314

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016908T Expired - Fee Related DE69016908T2 (de) 1989-10-05 1990-10-04 Linsenantrieb.

Country Status (4)

Country Link
US (1) US5132850A (de)
EP (1) EP0421771B1 (de)
JP (1) JPH03122826A (de)
DE (1) DE69016908T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416756A (en) * 1991-11-07 1995-05-16 Mitsubishi Denki Kabushiki Kaisha Lens actuating system with improved frequency response for optical disk drive
JP3317997B2 (ja) * 1992-06-03 2002-08-26 株式会社リコー 対物レンズ駆動装置
CN1044417C (zh) * 1992-08-24 1999-07-28 株式会社三协精机制作所 物镜驱动装置
JP2981644B2 (ja) * 1995-09-14 1999-11-22 富士通株式会社 光ディスク装置の対物レンズ切替え方法
JP3269966B2 (ja) * 1996-04-22 2002-04-02 株式会社三協精機製作所 光ピックアップの対物レンズ駆動装置及びそのレンズホルダの共振周波数の調整方法
KR19990041882A (ko) * 1997-11-25 1999-06-15 전주범 씨디-디브이디 겸용 광픽업 액츄에이터
TWI303915B (en) 2005-03-24 2008-12-01 Voice coil motor apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59104735A (ja) * 1982-12-08 1984-06-16 Sony Corp 対物レンズ駆動装置
US4696566A (en) * 1984-02-08 1987-09-29 Sharp Kabushiki Kaisha Three-dimensional driving arrangement
JPS62223822A (ja) * 1986-03-25 1987-10-01 Mitsubishi Electric Corp 対物レンズ駆動装置
JPS6320730A (ja) * 1986-07-14 1988-01-28 Canon Inc 光学系駆動装置
JP2566598B2 (ja) * 1987-12-24 1996-12-25 エヌティエヌ株式会社 光学式ピックアップのアクチュエ−タ

Also Published As

Publication number Publication date
EP0421771A2 (de) 1991-04-10
JPH03122826A (ja) 1991-05-24
US5132850A (en) 1992-07-21
EP0421771B1 (de) 1995-02-15
EP0421771A3 (en) 1992-08-19
DE69016908T2 (de) 1995-07-06

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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