KR20060046636A - 광픽업 및 디스크 드라이브 장치 - Google Patents

광픽업 및 디스크 드라이브 장치 Download PDF

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Publication number
KR20060046636A
KR20060046636A KR1020050029382A KR20050029382A KR20060046636A KR 20060046636 A KR20060046636 A KR 20060046636A KR 1020050029382 A KR1020050029382 A KR 1020050029382A KR 20050029382 A KR20050029382 A KR 20050029382A KR 20060046636 A KR20060046636 A KR 20060046636A
Authority
KR
South Korea
Prior art keywords
tilt
movable block
objective lens
recording medium
disc
Prior art date
Application number
KR1020050029382A
Other languages
English (en)
Korean (ko)
Inventor
히데오 오쿠마
무네유키 호리구치
아츠히로 하나오카
Original Assignee
소니 가부시끼 가이샤
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 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20060046636A publication Critical patent/KR20060046636A/ko

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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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • 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
    • 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
    • G11B7/08—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

Landscapes

  • Optical Recording Or Reproduction (AREA)
KR1020050029382A 2004-04-13 2005-04-08 광픽업 및 디스크 드라이브 장치 KR20060046636A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004117647A JP4244021B2 (ja) 2004-04-13 2004-04-13 光ピックアップ及びディスクドライブ装置
JPJP-P-2004-00117647 2004-04-13

Publications (1)

Publication Number Publication Date
KR20060046636A true KR20060046636A (ko) 2006-05-17

Family

ID=35239308

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050029382A KR20060046636A (ko) 2004-04-13 2005-04-08 광픽업 및 디스크 드라이브 장치

Country Status (5)

Country Link
US (1) US20050249054A1 (ja)
JP (1) JP4244021B2 (ja)
KR (1) KR20060046636A (ja)
CN (1) CN100358018C (ja)
TW (1) TW200606898A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013069389A (ja) 2011-09-26 2013-04-18 Sanyo Electric Co Ltd 対物レンズ駆動装置およびそれを備えた光ピックアップ装置
JP6428640B2 (ja) 2013-12-20 2018-11-28 ソニー株式会社 光ピックアップ、ディスクドライブ装置及び光学素子駆動装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239939A (ja) * 1984-05-14 1985-11-28 Hitachi Ltd 対物レンズ駆動装置
SG72954A1 (en) * 1998-05-21 2000-05-23 Samsung Electronics Co Ltd Optical pickup
US6341104B1 (en) * 1998-08-03 2002-01-22 Matsushita Electric Industrial Co., Ltd. Optical pickup apparatus of tilt control type
JP2000222755A (ja) * 1999-01-29 2000-08-11 Matsushita Electric Ind Co Ltd 光ピックアップ装置
US20010021164A1 (en) * 2000-03-13 2001-09-13 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus
KR100684012B1 (ko) * 2000-04-03 2007-02-20 엘지전자 주식회사 광 픽업 엑츄에이터
JP3550547B2 (ja) * 2001-01-22 2004-08-04 シャープ株式会社 対物レンズ駆動装置
JP3494165B2 (ja) * 2001-04-24 2004-02-03 日本電気株式会社 光ディスク装置の対物レンズ駆動機構
JP3912292B2 (ja) * 2002-04-08 2007-05-09 ソニー株式会社 光ピックアップ及びディスクドライブ装置
KR20030080801A (ko) * 2002-04-11 2003-10-17 삼성전기주식회사 3축 구동기능을 갖는 광픽업 액츄에이터
JP2003346368A (ja) * 2002-05-23 2003-12-05 Ricoh Co Ltd 対物レンズアクチュエータ、光ピックアップおよび光ディスク装置
JP4097257B2 (ja) * 2003-01-31 2008-06-11 株式会社リコー チルト補正方法、チルト補正装置及び光ディスク装置

Also Published As

Publication number Publication date
JP4244021B2 (ja) 2009-03-25
TW200606898A (en) 2006-02-16
JP2005302161A (ja) 2005-10-27
US20050249054A1 (en) 2005-11-10
CN100358018C (zh) 2007-12-26
TWI300222B (ja) 2008-08-21
CN1684162A (zh) 2005-10-19

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