JP4244021B2 - 光ピックアップ及びディスクドライブ装置 - Google Patents

光ピックアップ及びディスクドライブ装置 Download PDF

Info

Publication number
JP4244021B2
JP4244021B2 JP2004117647A JP2004117647A JP4244021B2 JP 4244021 B2 JP4244021 B2 JP 4244021B2 JP 2004117647 A JP2004117647 A JP 2004117647A JP 2004117647 A JP2004117647 A JP 2004117647A JP 4244021 B2 JP4244021 B2 JP 4244021B2
Authority
JP
Japan
Prior art keywords
tilt
disk
objective lens
movable block
recording medium
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
JP2004117647A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005302161A (ja
Inventor
英生 大熊
宗之 堀口
淳裕 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 JP2004117647A priority Critical patent/JP4244021B2/ja
Priority to US11/092,937 priority patent/US20050249054A1/en
Priority to KR1020050029382A priority patent/KR20060046636A/ko
Priority to TW094111411A priority patent/TW200606898A/zh
Priority to CNB2005100641618A priority patent/CN100358018C/zh
Publication of JP2005302161A publication Critical patent/JP2005302161A/ja
Application granted granted Critical
Publication of JP4244021B2 publication Critical patent/JP4244021B2/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
    • G11B7/0925—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
    • G11B7/085—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
    • 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)
JP2004117647A 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 Expired - Fee Related JP4244021B2 (ja)

Priority Applications (5)

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
US11/092,937 US20050249054A1 (en) 2004-04-13 2005-03-30 Optical pickup and disc drive device
KR1020050029382A KR20060046636A (ko) 2004-04-13 2005-04-08 광픽업 및 디스크 드라이브 장치
TW094111411A TW200606898A (en) 2004-04-13 2005-04-11 Optical pickup and disk drive apparatus
CNB2005100641618A CN100358018C (zh) 2004-04-13 2005-04-13 光学拾取器和盘驱动装置

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
JP2005302161A JP2005302161A (ja) 2005-10-27
JP4244021B2 true JP4244021B2 (ja) 2009-03-25

Family

ID=35239308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004117647A Expired - Fee Related 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

Country Status (5)

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

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
TWI300222B (zh) 2008-08-21
US20050249054A1 (en) 2005-11-10
TW200606898A (en) 2006-02-16
KR20060046636A (ko) 2006-05-17
JP2005302161A (ja) 2005-10-27
CN1684162A (zh) 2005-10-19
CN100358018C (zh) 2007-12-26

Similar Documents

Publication Publication Date Title
KR20010093031A (ko) 광 픽업 엑츄에이터
JP2004213861A (ja) 対物レンズ駆動装置及び光ピックアップ装置。
JP3855977B2 (ja) 光ピックアップ及びディスクドライブ装置
US8166495B2 (en) Optical pickup
JP4223018B2 (ja) 光ピックアップアクチュエータ
JP4775661B2 (ja) 光ピックアップ及びディスクドライブ装置
JP3818282B2 (ja) 光ピックアップ及びディスクドライブ装置
JP4244021B2 (ja) 光ピックアップ及びディスクドライブ装置
JPH11306570A (ja) 対物レンズ駆動装置
JP4137108B2 (ja) 光ピックアップ装置及び光ディスク装置
JP3918490B2 (ja) 光学ピックアップ及びディスクドライブ装置
JP2005302164A (ja) 光ピックアップ及びディスクドライブ装置
JP4016196B2 (ja) 対物レンズ駆動装置及びディスクドライブ装置
JP4404824B2 (ja) 光ピックアップアクチュエータ
JP2005302163A (ja) 光ピックアップ及びディスクドライブ装置
JP4752830B2 (ja) 光ピックアップ及びディスクドライブ装置
JP2009020978A (ja) 光ピックアップ及びディスクドライブ装置
JP2005302162A (ja) 光ピックアップ及びディスクドライブ装置
JP2005100516A (ja) 光ピックアップ及びディスクドライブ装置
JP2009076156A (ja) 光ピックアップ及びディスクドライブ装置
JP2003132565A (ja) 対物レンズ駆動装置及びディスクドライブ装置
JP2000113482A (ja) 光ピックアップ装置および光ディスク装置
JP2006031784A (ja) 対物レンズ駆動装置
KR20050068704A (ko) 슬림형 광 픽업 액츄에이터
KR20040009497A (ko) 광픽업용 액츄에이터

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070403

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: 20081211

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: 20081224

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

Free format text: PAYMENT UNTIL: 20120116

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees