HK1070174A1 - Optical actuator - Google Patents

Optical actuator

Info

Publication number
HK1070174A1
HK1070174A1 HK05102608A HK05102608A HK1070174A1 HK 1070174 A1 HK1070174 A1 HK 1070174A1 HK 05102608 A HK05102608 A HK 05102608A HK 05102608 A HK05102608 A HK 05102608A HK 1070174 A1 HK1070174 A1 HK 1070174A1
Authority
HK
Hong Kong
Prior art keywords
optical actuator
actuator
optical
Prior art date
Application number
HK05102608A
Other languages
English (en)
Inventor
Nobuo Takeshita
Mitoru Yabe
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of HK1070174A1 publication Critical patent/HK1070174A1/xx

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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B7/0932—Details of sprung supports
HK05102608A 2003-02-28 2005-03-29 Optical actuator HK1070174A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003052554A JP3821105B2 (ja) 2003-02-28 2003-02-28 光学手段駆動装置

Publications (1)

Publication Number Publication Date
HK1070174A1 true HK1070174A1 (en) 2005-06-10

Family

ID=32923403

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05102608A HK1070174A1 (en) 2003-02-28 2005-03-29 Optical actuator

Country Status (4)

Country Link
US (1) US7168082B2 (xx)
JP (1) JP3821105B2 (xx)
CN (1) CN1270301C (xx)
HK (1) HK1070174A1 (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100472477B1 (ko) * 2002-09-02 2005-03-10 삼성전자주식회사 광픽업 액추에이터와 이를 채용한 광픽업장치 및, 이를채용한 광디스크 드라이브 장치
JP2004145989A (ja) * 2002-10-25 2004-05-20 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JP2005235349A (ja) * 2004-02-23 2005-09-02 Ricoh Co Ltd アクチュエータ、光ピックアップ装置及び光ディスク装置
JP2005251295A (ja) * 2004-03-04 2005-09-15 Funai Electric Co Ltd 光ピックアップ
US7574717B2 (en) * 2004-03-30 2009-08-11 Pioneer Corporation Actuator for pickup, pickup device, recording medium drive device, and method of producing actuator for pickup
JP2006066013A (ja) * 2004-08-30 2006-03-09 Mitsumi Electric Co Ltd 対物レンズホルダ及び対物レンズ駆動装置
KR100710753B1 (ko) * 2004-12-22 2007-04-24 삼성전자주식회사 광픽업용 액츄에이터 및 광기록 및/또는 재생장치
KR100710756B1 (ko) 2004-12-22 2007-04-24 삼성전자주식회사 광픽업용 액츄에이터 및 광기록 및/또는 재생장치
KR100689035B1 (ko) * 2005-04-14 2007-03-08 삼성전자주식회사 광픽업용 액츄에이터 및 광기록 및/또는 재생장치
JP4559905B2 (ja) * 2005-04-28 2010-10-13 スミダコーポレーション株式会社 光ピックアップアクチュエータ
TW200707431A (en) * 2005-08-12 2007-02-16 Lite On It Corp Actuator of optical pickup head with horizontal-arranged magnetic field generator and coil apparatus
JP4137108B2 (ja) * 2005-09-20 2008-08-20 キヤノン株式会社 光ピックアップ装置及び光ディスク装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US33548A (en) * 1861-10-22 Improvement in bee-hives
USRE33548E (en) 1983-03-30 1991-03-05 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
JPH0916990A (ja) 1995-06-28 1997-01-17 Sony Corp ２軸アクチュエータ
JPH09219031A (ja) 1996-02-14 1997-08-19 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JP3733183B2 (ja) 1996-10-09 2006-01-11 オリンパス株式会社 対物レンズ駆動装置
JPH10319911A (ja) * 1997-05-15 1998-12-04 Matsushita Electric Ind Co Ltd Ｌｅｄ表示装置およびその制御方法
JPH10320804A (ja) 1997-05-23 1998-12-04 Nec Corp 光ヘッド装置
US5986825A (en) * 1997-11-19 1999-11-16 Eastman Kodak Company Optical actuator with tensioned suspension
US6643073B1 (en) * 1998-02-18 2003-11-04 Matsushita Electric Industrial Co., Ltd. Device for driving object lens
JP2000020025A (ja) 1998-07-01 2000-01-21 Matsushita Electric Ind Co Ltd フルカラー発光ダイオードパネルディスプレイ
JP2000242944A (ja) 1999-02-22 2000-09-08 Sharp Corp 光ディスク用ピックアップ装置
JP3658526B2 (ja) 1999-09-22 2005-06-08 株式会社日立メディアエレクトロニクス 対物レンズ駆動装置ならびにそれを用いた光ディスク装置
JP3658528B2 (ja) * 1999-10-20 2005-06-08 株式会社日立メディアエレクトロニクス 対物レンズ駆動装置ならびにそれを用いた光ディスク装置
JP2001297460A (ja) 2000-04-18 2001-10-26 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JP2001319349A (ja) 2000-05-01 2001-11-16 Ricoh Co Ltd 光ピックアップ装置
TW522394B (en) * 2000-07-14 2003-03-01 Tdk Corp Objective lens drive apparatus for use in optical pickup
JP3875522B2 (ja) 2000-07-14 2007-01-31 Ｔｄｋ株式会社 光ピックアップの対物レンズ駆動装置
US20030012090A1 (en) * 2001-07-12 2003-01-16 Tdk Corporation Objective lens drive apparatus for use in optical pickup
JP3625207B2 (ja) * 2002-05-23 2005-03-02 三菱電機株式会社 光学手段駆動装置
KR100881666B1 (ko) * 2002-07-09 2009-02-06 삼성전자주식회사 광픽업의 대물렌즈 구동장치

Also Published As

Publication number Publication date
US20040177365A1 (en) 2004-09-09
CN1551144A (zh) 2004-12-01
JP3821105B2 (ja) 2006-09-13
CN1270301C (zh) 2006-08-16
US7168082B2 (en) 2007-01-23
JP2004265476A (ja) 2004-09-24

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20150301