DE602004020046D1 - Positionierungsanordnung für einen optischen Abtastkopf - Google Patents

Positionierungsanordnung für einen optischen Abtastkopf

Info

Publication number
DE602004020046D1
DE602004020046D1 DE602004020046T DE602004020046T DE602004020046D1 DE 602004020046 D1 DE602004020046 D1 DE 602004020046D1 DE 602004020046 T DE602004020046 T DE 602004020046T DE 602004020046 T DE602004020046 T DE 602004020046T DE 602004020046 D1 DE602004020046 D1 DE 602004020046D1
Authority
DE
Germany
Prior art keywords
optical scanning
scanning head
positioning arrangement
positioning
arrangement
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.)
Active
Application number
DE602004020046T
Other languages
English (en)
Inventor
Young Bok Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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
Priority claimed from KR1020030099180A external-priority patent/KR100713543B1/ko
Priority claimed from KR1020040012683A external-priority patent/KR100701749B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of DE602004020046D1 publication Critical patent/DE602004020046D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/0933—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
    • G11B7/095—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
DE602004020046T 2003-12-29 2004-10-21 Positionierungsanordnung für einen optischen Abtastkopf Active DE602004020046D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030099180A KR100713543B1 (ko) 2003-12-29 2003-12-29 광 픽업 액츄에이터
KR1020040012683A KR100701749B1 (ko) 2004-02-25 2004-02-25 광 픽업 액츄에이터

Publications (1)

Publication Number Publication Date
DE602004020046D1 true DE602004020046D1 (de) 2009-04-30

Family

ID=34576055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004020046T Active DE602004020046D1 (de) 2003-12-29 2004-10-21 Positionierungsanordnung für einen optischen Abtastkopf

Country Status (3)

Country Link
US (1) US7558164B2 (de)
EP (1) EP1551013B1 (de)
DE (1) DE602004020046D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100522232B1 (ko) * 2003-12-24 2005-10-17 엘지전자 주식회사 슬림형 광 픽업 액츄에이터
CN100367385C (zh) * 2005-03-03 2008-02-06 船井电机株式会社 光学头及设有光学头的光盘器件
JP2006301452A (ja) * 2005-04-22 2006-11-02 Canon Inc 光学機器
JP2007179672A (ja) * 2005-12-28 2007-07-12 Funai Electric Co Ltd 光ヘッド
JP2007200461A (ja) * 2006-01-27 2007-08-09 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JP2008041195A (ja) * 2006-08-08 2008-02-21 Tdk Corp 対物レンズ駆動装置及びこれを用いた光ピックアップ並びに光記録再生装置
KR101309703B1 (ko) * 2012-01-31 2013-09-17 도시바삼성스토리지테크놀러지코리아 주식회사 대물렌즈 구동 유니트 및 이를 적용하는 광 픽업 장치 및 광 디스크드라이브
KR101452960B1 (ko) * 2013-04-29 2014-10-22 도시바삼성스토리지테크놀러지코리아 주식회사 대물렌즈 구동장치 및 이를 채용한 광디스크 드라이브

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH567856A5 (de) * 1973-05-29 1975-10-15 Huber & Co
US4373983A (en) * 1979-05-18 1983-02-15 Continental Group, Inc. Means for assembling container halves
KR0153766B1 (ko) * 1988-12-20 1998-12-15 이우에 사또시 광픽업장치
US5444678A (en) * 1992-09-09 1995-08-22 Olympus Optical Co., Ltd. Magneto-optic recording magnetic head having magnetic gap which has different sizes in magnetic field modulation mode and light modulation recording mode
MY111765A (en) * 1993-10-25 2000-12-30 Sony Corp Method for producing an objective lens actuator.
US5625511A (en) * 1995-01-11 1997-04-29 International Business Machines Corporation Stepped spindle motor shaft to reduce disk drive acoustic noise
JP2000353330A (ja) * 1999-06-11 2000-12-19 Sony Corp 対物レンズ駆動装置
JP2001184683A (ja) * 1999-12-28 2001-07-06 Hitachi Ltd 対物レンズ駆動装置及びこれを用いたディスク装置
US6633519B2 (en) * 2000-07-08 2003-10-14 Lg Electronics Inc. Optical pick-up device of disk player
KR100403587B1 (ko) * 2001-04-20 2003-10-30 삼성전자주식회사 광픽업 액튜에이터
JP2003059072A (ja) * 2001-08-22 2003-02-28 Funai Electric Co Ltd 光ピックアップ装置のアクチュエータ
JP2003173557A (ja) * 2001-12-05 2003-06-20 Sanyo Electric Co Ltd 光ピックアップ装置
KR20030050752A (ko) 2001-12-19 2003-06-25 엘지전자 주식회사 광픽업 액츄에이터
JP3666453B2 (ja) * 2001-12-21 2005-06-29 株式会社日立製作所 光ピックアップおよびこれを備えた光ディスク装置
JP3756118B2 (ja) * 2002-02-07 2006-03-15 アルパイン株式会社 光学式ピックアップ
JP2003296965A (ja) * 2002-04-03 2003-10-17 Matsushita Electric Ind Co Ltd 光ピックアップの製造方法
KR20030080801A (ko) * 2002-04-11 2003-10-17 삼성전기주식회사 3축 구동기능을 갖는 광픽업 액츄에이터
US7272840B2 (en) * 2002-08-24 2007-09-18 Samsung Electronics Co., Ltd. Objective lens driving apparatus used with an optical pickup
TWI227484B (en) * 2002-08-24 2005-02-01 Samsung Electronics Co Ltd Objective lens driving apparatus for optical pickup
US7193937B2 (en) * 2002-10-04 2007-03-20 Matsushita Electric Industrial Co., Ltd. Objective lens driving device and optical disk apparatus

Also Published As

Publication number Publication date
US7558164B2 (en) 2009-07-07
EP1551013A2 (de) 2005-07-06
EP1551013B1 (de) 2009-03-18
EP1551013A3 (de) 2007-01-24
US20050141358A1 (en) 2005-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition