JP4148221B2 - 対物レンズ駆動装置、光ピックアップ並びに光ディスク装置 - Google Patents

対物レンズ駆動装置、光ピックアップ並びに光ディスク装置 Download PDF

Info

Publication number
JP4148221B2
JP4148221B2 JP2005009617A JP2005009617A JP4148221B2 JP 4148221 B2 JP4148221 B2 JP 4148221B2 JP 2005009617 A JP2005009617 A JP 2005009617A JP 2005009617 A JP2005009617 A JP 2005009617A JP 4148221 B2 JP4148221 B2 JP 4148221B2
Authority
JP
Japan
Prior art keywords
magnet
divided
focusing
tracking
magnetized
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
JP2005009617A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006202348A (ja
Inventor
英生 大熊
早苗 花岡
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.)
Sony Corp
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
Priority to JP2005009617A priority Critical patent/JP4148221B2/ja
Priority to US11/324,377 priority patent/US20060168607A1/en
Priority to TW095100691A priority patent/TW200639841A/zh
Priority to KR1020060004447A priority patent/KR20060083889A/ko
Priority to CNB2006100010460A priority patent/CN100363992C/zh
Publication of JP2006202348A publication Critical patent/JP2006202348A/ja
Application granted granted Critical
Publication of JP4148221B2 publication Critical patent/JP4148221B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • 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
    • G11B7/0925—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)
JP2005009617A 2005-01-17 2005-01-17 対物レンズ駆動装置、光ピックアップ並びに光ディスク装置 Expired - Fee Related JP4148221B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2005009617A JP4148221B2 (ja) 2005-01-17 2005-01-17 対物レンズ駆動装置、光ピックアップ並びに光ディスク装置
US11/324,377 US20060168607A1 (en) 2005-01-17 2006-01-04 Objective-lens driving apparatus, optical pickup and optical disk apparatus
TW095100691A TW200639841A (en) 2005-01-17 2006-01-06 Objective lens drive device, optical pickup, optical disk device
KR1020060004447A KR20060083889A (ko) 2005-01-17 2006-01-16 대물 렌즈 구동 장치, 광픽업 및 광디스크 장치
CNB2006100010460A CN100363992C (zh) 2005-01-17 2006-01-17 物镜驱动装置、光学拾取器及光盘装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005009617A JP4148221B2 (ja) 2005-01-17 2005-01-17 対物レンズ駆動装置、光ピックアップ並びに光ディスク装置

Publications (2)

Publication Number Publication Date
JP2006202348A JP2006202348A (ja) 2006-08-03
JP4148221B2 true JP4148221B2 (ja) 2008-09-10

Family

ID=36698565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005009617A Expired - Fee Related JP4148221B2 (ja) 2005-01-17 2005-01-17 対物レンズ駆動装置、光ピックアップ並びに光ディスク装置

Country Status (5)

Country Link
US (1) US20060168607A1 (enExample)
JP (1) JP4148221B2 (enExample)
KR (1) KR20060083889A (enExample)
CN (1) CN100363992C (enExample)
TW (1) TW200639841A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006066016A (ja) * 2004-08-30 2006-03-09 Mitsumi Electric Co Ltd 対物レンズ駆動装置
JP2008090920A (ja) * 2006-10-02 2008-04-17 Mitsumi Electric Co Ltd 光ピックアップアクチュエータ
JP4974850B2 (ja) * 2007-10-31 2012-07-11 シャープ株式会社 対物レンズ駆動装置および光ピックアップ装置
US9047883B2 (en) * 2011-09-30 2015-06-02 Panasonic Intellectual Property Management Co., Ltd. Optical pickup device, optical information device, and information processing device
JP2018129107A (ja) * 2017-02-08 2018-08-16 パナソニックＩｐマネジメント株式会社 レンズホルダ、対物レンズ駆動装置、光ピックアップ装置およびレンズホルダの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10162394A (ja) * 1996-12-03 1998-06-19 Olympus Optical Co Ltd 対物レンズ駆動装置
JP2001101685A (ja) * 1999-09-27 2001-04-13 Sankyo Seiki Mfg Co Ltd 光ピックアップ装置
JP2002015446A (ja) * 2000-06-29 2002-01-18 Nec Corp チルト制御器及び光ディスク装置

Also Published As

Publication number Publication date
TWI305353B (enExample) 2009-01-11
CN100363992C (zh) 2008-01-23
KR20060083889A (ko) 2006-07-21
JP2006202348A (ja) 2006-08-03
TW200639841A (en) 2006-11-16
CN1811932A (zh) 2006-08-02
US20060168607A1 (en) 2006-07-27

Similar Documents

Publication Publication Date Title
JP3890941B2 (ja) 対物レンズ駆動装置
JP3855977B2 (ja) 光ピックアップ及びディスクドライブ装置
JP4148221B2 (ja) 対物レンズ駆動装置、光ピックアップ並びに光ディスク装置
KR100505648B1 (ko) 자기 회로 및 이를 채용한 광픽업 액츄에이터 및 광 기록및/또는 재생기기
JP3550547B2 (ja) 対物レンズ駆動装置
JP3918490B2 (ja) 光学ピックアップ及びディスクドライブ装置
US7310289B2 (en) Actuator for optical pickup of an optical disk drive and a method of using the same
JP4088777B2 (ja) 対物レンズホルダ及び対物レンズ駆動装置
JP4011760B2 (ja) 対物レンズ駆動装置及びそれを備えた光ディスク装置
JP4533322B2 (ja) 光ピックアップ
JP4137108B2 (ja) 光ピックアップ装置及び光ディスク装置
JP4356022B2 (ja) 光ピックアップ、対物レンズ駆動装置及び光ディスク装置
JPH09305996A (ja) 対物レンズ用アクチュエータ及び光ディスク装置
JP3083068B2 (ja) 光ピックアップ装置
JP2004178810A (ja) 光ピックアップ
JP2005182930A (ja) 対物レンズ駆動装置
JP2008152888A (ja) 対物レンズ駆動装置、その組立て方法、及び光ディスク装置
JPH0935294A (ja) 二軸アクチュエータ
JP2003196866A (ja) 光ピックアップ装置
JP2003030869A (ja) 光ピックアップ
JP2004146034A (ja) 対物レンズ駆動装置及び光ディスク装置
JP2003346361A (ja) 光ヘッド装置及びそれを用いた光再生装置
JP2001118267A (ja) 対物レンズ駆動装置及び光ディスク装置
JP2003196865A (ja) 光ピックアップ装置
JP2000163769A (ja) 光学系駆動装置

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070813

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070821

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071015

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080603

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080616

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110704

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110704

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees