TW200606898A - Optical pickup and disk drive apparatus - Google Patents

Optical pickup and disk drive apparatus

Info

Publication number
TW200606898A
TW200606898A TW094111411A TW94111411A TW200606898A TW 200606898 A TW200606898 A TW 200606898A TW 094111411 A TW094111411 A TW 094111411A TW 94111411 A TW94111411 A TW 94111411A TW 200606898 A TW200606898 A TW 200606898A
Authority
TW
Taiwan
Prior art keywords
tilt
magnetic circuit
movable block
objective lens
drive apparatus
Prior art date
Application number
TW094111411A
Other languages
English (en)
Chinese (zh)
Other versions
TWI300222B (enExample
Inventor
Hideo Ohkuma
Muneyuki Horiguchi
Atsuhiro Hanaoka
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of TW200606898A publication Critical patent/TW200606898A/zh
Application granted granted Critical
Publication of TWI300222B publication Critical patent/TWI300222B/zh

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
    • G11B7/085—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)
TW094111411A 2004-04-13 2005-04-11 Optical pickup and disk drive apparatus TW200606898A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
TW200606898A true TW200606898A (en) 2006-02-16
TWI300222B TWI300222B (enExample) 2008-08-21

Family

ID=35239308

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094111411A TW200606898A (en) 2004-04-13 2005-04-11 Optical pickup and disk drive apparatus

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9697864B2 (en) 2013-12-20 2017-07-04 Sony Corporation Optical pickup, disk drive device, and optical element driving device

Families Citing this family (1)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9697864B2 (en) 2013-12-20 2017-07-04 Sony Corporation Optical pickup, disk drive device, and optical element driving device

Also Published As

Publication number Publication date
TWI300222B (enExample) 2008-08-21
JP2005302161A (ja) 2005-10-27
JP4244021B2 (ja) 2009-03-25
US20050249054A1 (en) 2005-11-10
CN100358018C (zh) 2007-12-26
KR20060046636A (ko) 2006-05-17
CN1684162A (zh) 2005-10-19

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees