JP2005235355A - 対物レンズ駆動装置、及びそれを備えた光ヘッド装置 - Google Patents

対物レンズ駆動装置、及びそれを備えた光ヘッド装置 Download PDF

Info

Publication number
JP2005235355A
JP2005235355A JP2004046895A JP2004046895A JP2005235355A JP 2005235355 A JP2005235355 A JP 2005235355A JP 2004046895 A JP2004046895 A JP 2004046895A JP 2004046895 A JP2004046895 A JP 2004046895A JP 2005235355 A JP2005235355 A JP 2005235355A
Authority
JP
Japan
Prior art keywords
tilt
focusing
tracking
objective lens
drive
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.)
Ceased
Application number
JP2004046895A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005235355A5 (enExample
Inventor
Tatsuki Waide
達貴 和出
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.)
Nidec Instruments Corp
Original Assignee
Sankyo Seiki Manufacturing Co Ltd
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 Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Priority to JP2004046895A priority Critical patent/JP2005235355A/ja
Priority to US11/063,401 priority patent/US20050195703A1/en
Priority to CNB200510052855XA priority patent/CN100339896C/zh
Publication of JP2005235355A publication Critical patent/JP2005235355A/ja
Publication of JP2005235355A5 publication Critical patent/JP2005235355A5/ja
Ceased 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
    • G11B7/09—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

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP2004046895A 2004-02-23 2004-02-23 対物レンズ駆動装置、及びそれを備えた光ヘッド装置 Ceased JP2005235355A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004046895A JP2005235355A (ja) 2004-02-23 2004-02-23 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
US11/063,401 US20050195703A1 (en) 2004-02-23 2005-02-22 Objective lens drive device and optical head device provided with the same
CNB200510052855XA CN100339896C (zh) 2004-02-23 2005-02-23 物镜驱动装置及具有它的光头装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004046895A JP2005235355A (ja) 2004-02-23 2004-02-23 対物レンズ駆動装置、及びそれを備えた光ヘッド装置

Publications (2)

Publication Number Publication Date
JP2005235355A true JP2005235355A (ja) 2005-09-02
JP2005235355A5 JP2005235355A5 (enExample) 2006-08-10

Family

ID=34908480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004046895A Ceased JP2005235355A (ja) 2004-02-23 2004-02-23 対物レンズ駆動装置、及びそれを備えた光ヘッド装置

Country Status (3)

Country Link
US (1) US20050195703A1 (enExample)
JP (1) JP2005235355A (enExample)
CN (1) CN100339896C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011021502A1 (ja) * 2009-08-18 2011-02-24 日本電産サンキョー株式会社 レンズ駆動装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5461598A (en) * 1992-09-18 1995-10-24 Eastman Kodak Company Balanced focus actuator for an optical storage system
JP2000222755A (ja) * 1999-01-29 2000-08-11 Matsushita Electric Ind Co Ltd 光ピックアップ装置
JP2003196871A (ja) * 2001-12-27 2003-07-11 Mitsumi Electric Co Ltd 光ピックアップ装置
JP2003272201A (ja) * 2002-03-15 2003-09-26 Mitsumi Electric Co Ltd 光ピックアップ装置
JP2003303432A (ja) * 2002-04-09 2003-10-24 Mitsumi Electric Co Ltd 光ピックアップアクチュエータ
KR20030080801A (ko) * 2002-04-11 2003-10-17 삼성전기주식회사 3축 구동기능을 갖는 광픽업 액츄에이터
KR100486285B1 (ko) * 2002-11-26 2005-04-29 삼성전자주식회사 광픽업 액츄에이터 및 이를 채용한 광 기록 및/또는재생기기

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011021502A1 (ja) * 2009-08-18 2011-02-24 日本電産サンキョー株式会社 レンズ駆動装置
JP2011039424A (ja) * 2009-08-18 2011-02-24 Nidec Sankyo Corp レンズ駆動装置

Also Published As

Publication number Publication date
CN1661697A (zh) 2005-08-31
CN100339896C (zh) 2007-09-26
US20050195703A1 (en) 2005-09-08

Similar Documents

Publication Publication Date Title
JP3678729B2 (ja) 光ピックアップ用アクチュエータ
US20080112279A1 (en) Lens drive apparatus
JP2003045057A (ja) 光ピックアップアクチュエータ
JP2002183998A (ja) 対物レンズ駆動装置
JP2760307B2 (ja) 光ヘッドの対物レンズアクチュエータ
JP3746480B2 (ja) 光ピックアップアクチュエータ及びこれを採用した光記録／再生装置
JP2003173556A (ja) 光ヘッド装置
US8315141B2 (en) Objective lens driving apparatus
JP2005235355A (ja) 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
JP2005251358A (ja) 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
JP7176145B1 (ja) 撮像装置及び携帯電子機器
JP2006004483A (ja) 対物レンズ駆動装置および光ディスク装置
JP2001118265A (ja) レンズ駆動装置
JP3658528B2 (ja) 対物レンズ駆動装置ならびにそれを用いた光ディスク装置
JP2007109317A (ja) 光ヘッド装置
JP3712563B2 (ja) 光ディスクドライブの対物レンズ駆動装置
JP2006066048A (ja) 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
JP3490925B2 (ja) 対物レンズ駆動装置
JP4244021B2 (ja) 光ピックアップ及びディスクドライブ装置
JP4046665B2 (ja) 光ヘッド装置
JP4404824B2 (ja) 光ピックアップアクチュエータ
JP3903434B2 (ja) 対物レンズ駆動装置
JP2007095175A (ja) 光ピックアップ
JP2007102837A (ja) 光ピックアップ装置
KR100639810B1 (ko) 3축 슬림 대칭형 광픽업 액츄에이터

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060621

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060621

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20071112

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071115

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080110

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080422

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080623

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

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080828

A045 Written measure of dismissal of application [lapsed due to lack of payment]

Free format text: JAPANESE INTERMEDIATE CODE: A045

Effective date: 20081211