DE3789099D1 - Steuerungsgerät für Objektivlinse. - Google Patents

Steuerungsgerät für Objektivlinse.

Info

Publication number
DE3789099D1
DE3789099D1 DE87119058T DE3789099T DE3789099D1 DE 3789099 D1 DE3789099 D1 DE 3789099D1 DE 87119058 T DE87119058 T DE 87119058T DE 3789099 T DE3789099 T DE 3789099T DE 3789099 D1 DE3789099 D1 DE 3789099D1
Authority
DE
Germany
Prior art keywords
control device
objective lens
objective
lens
control
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
DE87119058T
Other languages
English (en)
Other versions
DE3789099T2 (de
Inventor
Akihiro Patent Divisi Kasahara
Akira C O Patent Divisi Yamada
Katsutoshi C O Patent Div Wada
Hideo C O Patent Divi Yamasaki
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP61315374A external-priority patent/JP2601811B2/ja
Priority claimed from JP62299756A external-priority patent/JP2602855B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3789099D1 publication Critical patent/DE3789099D1/de
Publication of DE3789099T2 publication Critical patent/DE3789099T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/09—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
DE3789099T 1986-12-26 1987-12-22 Steuerungsgerät für Objektivlinse. Expired - Fee Related DE3789099T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61315374A JP2601811B2 (ja) 1986-12-26 1986-12-26 対物レンズ駆動装置
JP62299756A JP2602855B2 (ja) 1987-11-30 1987-11-30 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
DE3789099D1 true DE3789099D1 (de) 1994-03-24
DE3789099T2 DE3789099T2 (de) 1994-07-14

Family

ID=26562061

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3789099T Expired - Fee Related DE3789099T2 (de) 1986-12-26 1987-12-22 Steuerungsgerät für Objektivlinse.

Country Status (3)

Country Link
US (1) US4948230A (de)
EP (1) EP0273367B1 (de)
DE (1) DE3789099T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206762A (en) * 1988-12-01 1993-04-27 Kabushiki Kaisha Toshiba Viscoelastic substance and objective lens driving apparatus with the same
DE69030514T2 (de) * 1989-02-10 1997-11-13 Toshiba Kawasaki Kk Gerät zum Antreiben einer Objektivlinse
JP2728496B2 (ja) * 1989-04-21 1998-03-18 株式会社日立製作所 対物レンズ駆動装置
US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
US6141300A (en) 1989-06-20 2000-10-31 Discovision Associates Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US5150343A (en) * 1989-07-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Miniaturized low-power-consumption optical head provided with a state transformation mechanism
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
JP2978588B2 (ja) * 1991-05-27 1999-11-15 パイオニア株式会社 光ピックアップにおけるレンズ駆動装置の製造方法
US5485437A (en) * 1993-02-05 1996-01-16 Discovision Associates Shock-resistant, electrostatically actuated pick-up for optical recording and playback
US5579176A (en) * 1993-04-30 1996-11-26 Olympus Optical Co., Ltd. Optical system supporting device with flowable damping material
JP3279024B2 (ja) * 1993-10-30 2002-04-30 ソニー株式会社 光ピックアップ装置
JP3246140B2 (ja) * 1993-11-16 2002-01-15 ソニー株式会社 対物レンズ駆動装置
JP3319481B2 (ja) * 1993-12-22 2002-09-03 ソニー株式会社 対物レンズ駆動装置及びこれを利用した光ディスク装置
US6069867A (en) * 1994-06-09 2000-05-30 Olympus Optical Company, Ltd. Apparatus for supporting optical system of optical information recording/reproducing apparatus and method of manufacturing the same
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
KR970076542A (ko) * 1996-05-22 1997-12-12 김광호 고역 감도를 증가시킬 수 있는 코일 권선 방법
JP3683832B2 (ja) * 2000-06-14 2005-08-17 シャープ株式会社 光ディスク用対物レンズの傾斜補正方法、光ディスク用対物レンズ駆動装置、および光記録再生装置
JP2003331443A (ja) * 2002-05-10 2003-11-21 Toshiba Corp 対物レンズ駆動装置及びそれを備えた光ヘッド
KR100690361B1 (ko) * 2005-06-02 2007-03-09 삼성전기주식회사 모바일용 액츄에이터
JP2008034052A (ja) * 2006-07-31 2008-02-14 Funai Electric Co Ltd 対物レンズアクチュエータ及びそれを備えた光ピックアップ装置
EP1950591A1 (de) * 2007-01-23 2008-07-30 Tdk Taiwan Corp. Verfahren und Anordnung zur Unterdrückung der Antwortzeit einer Linsenfokussierungsstruktur
CN113031375B (zh) * 2021-03-18 2022-09-30 深圳市火乐科技发展有限公司 光学组件及投影设备
CN113126231B (zh) * 2021-04-28 2023-07-18 新思考电机有限公司 光学防抖驱动机构、驱动和摄像装置及电子设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4592037A (en) * 1980-11-28 1986-05-27 Hitachi, Ltd. Device for displacing a pickup head in multi-axial directions
JPS59221839A (ja) * 1983-05-31 1984-12-13 Matsushita Electric Ind Co Ltd 光デイスクプレ−ヤの対物レンズ保持装置
NL8303700A (nl) * 1983-10-27 1985-05-17 Philips Nv Electro-optische inrichting.
JPS60175226A (ja) * 1984-02-21 1985-09-09 Toshiba Corp 光学式ピツクアツプの可動部支持体
JPS60197942A (ja) * 1984-03-21 1985-10-07 Canon Inc 光学系支持装置
JP2597973B2 (ja) * 1984-10-02 1997-04-09 株式会社東芝 光学ヘツド装置
US4750164A (en) * 1985-12-09 1988-06-07 Canon Kabushiki Kaisha Optical system driving device
NL8600437A (nl) * 1986-02-21 1987-09-16 Philips Nv Electro-optische inrichting.
US4782475A (en) * 1986-12-22 1988-11-01 Eastman Kodak Company Flexure supported read head

Also Published As

Publication number Publication date
US4948230A (en) 1990-08-14
EP0273367B1 (de) 1994-02-16
EP0273367A3 (en) 1989-12-27
EP0273367A2 (de) 1988-07-06
DE3789099T2 (de) 1994-07-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 81245 MUENCHEN

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee