DE69030514T2 - Gerät zum Antreiben einer Objektivlinse - Google Patents

Gerät zum Antreiben einer Objektivlinse

Info

Publication number
DE69030514T2
DE69030514T2 DE69030514T DE69030514T DE69030514T2 DE 69030514 T2 DE69030514 T2 DE 69030514T2 DE 69030514 T DE69030514 T DE 69030514T DE 69030514 T DE69030514 T DE 69030514T DE 69030514 T2 DE69030514 T2 DE 69030514T2
Authority
DE
Germany
Prior art keywords
driving
objective lens
objective
lens
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
DE69030514T
Other languages
English (en)
Other versions
DE69030514D1 (de
Inventor
Akihiro Kasahara
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 JP29006789A external-priority patent/JPH03152731A/ja
Priority claimed from JP29006889A external-priority patent/JP2736138B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69030514D1 publication Critical patent/DE69030514D1/de
Publication of DE69030514T2 publication Critical patent/DE69030514T2/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
    • G11B7/085—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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • 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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08576—Swinging-arm positioners
    • 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
DE69030514T 1989-02-10 1990-02-09 Gerät zum Antreiben einer Objektivlinse Expired - Fee Related DE69030514T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2960889 1989-02-10
JP8140389 1989-04-03
JP8142289 1989-04-03
JP8142389 1989-04-03
JP8142189 1989-04-03
JP13746289 1989-06-01
JP14845089 1989-06-13
JP29006789A JPH03152731A (ja) 1989-11-09 1989-11-09 回転形光学ヘッド
JP29006889A JP2736138B2 (ja) 1989-11-09 1989-11-09 位置検出装置およびそれを用いた回転形光学ヘッド

Publications (2)

Publication Number Publication Date
DE69030514D1 DE69030514D1 (de) 1997-05-22
DE69030514T2 true DE69030514T2 (de) 1997-11-13

Family

ID=27576835

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69024511T Expired - Lifetime DE69024511T2 (de) 1989-02-10 1990-02-09 Gerät zum Verstellen einer Objektivlinse
DE69030514T Expired - Fee Related DE69030514T2 (de) 1989-02-10 1990-02-09 Gerät zum Antreiben einer Objektivlinse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69024511T Expired - Lifetime DE69024511T2 (de) 1989-02-10 1990-02-09 Gerät zum Verstellen einer Objektivlinse

Country Status (3)

Country Link
US (1) US5140471A (de)
EP (2) EP0617417B1 (de)
DE (2) DE69024511T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562646B1 (de) * 1989-06-13 1996-08-21 Kabushiki Kaisha Toshiba Elektromagnetisches Betätigungsgerät und optische Platte
US5134527A (en) * 1990-04-25 1992-07-28 Industrial Technology Research Institute Suspension mechanism for an objective lens of an optical head
JPH04114325A (ja) * 1990-09-04 1992-04-15 Matsushita Electric Ind Co Ltd 光ディスク装置
JPH04119306A (ja) * 1990-09-10 1992-04-20 Sony Corp カメラ用レンズ鏡筒
JP2848999B2 (ja) * 1992-04-02 1999-01-20 株式会社日本コンラックス 対物レンズの駆動装置
JP2500072B2 (ja) * 1992-07-06 1996-05-29 富士通株式会社 揺動型ヘッド装置
JP3411603B2 (ja) * 1992-07-28 2003-06-03 ペンタックス株式会社 光学式情報記録再生装置の対物レンズ電磁駆動装置
FR2707973B1 (fr) * 1993-07-22 1995-09-08 Air Liquide Procédé de fourniture d'azote au moyen de membranes semi-perméables ou de séparateurs de gaz par adsorption.
US5898652A (en) * 1994-07-08 1999-04-27 Seiko Epson Corporation Support structure for an optical pickup
JPH0830991A (ja) * 1994-07-08 1996-02-02 Seiko Epson Corp 光ピックアップ装置
US5598386A (en) * 1995-01-23 1997-01-28 Eastman Kodak Company Optimized linear motors for focus/tracking actuators in optical disk drives
JPH08235661A (ja) * 1995-02-24 1996-09-13 Pioneer Electron Corp 光磁気記録装置に用いられる光ピックアップ装置
JPH0954969A (ja) * 1995-08-11 1997-02-25 Minebea Co Ltd 対物レンズ支持装置
KR100408413B1 (ko) * 2001-06-08 2003-12-06 삼성전자주식회사 광픽업용 액츄에이터
KR100619697B1 (ko) * 2004-10-26 2006-09-13 엘지전자 주식회사 픽업 액츄에이터의 방열장치 및 이를 포함하는 픽업 액츄에이터
JP3788473B1 (ja) * 2005-01-05 2006-06-21 三菱電機株式会社 対物レンズ駆動装置ならびに光ヘッド

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830968A (ja) * 1981-08-18 1983-02-23 松下電器産業株式会社 食品加工機の包装装置
NL8103960A (nl) * 1981-08-26 1983-03-16 Philips Nv Zwenkarminrichting voor een optische aftasteenheid.
US4504935A (en) * 1983-02-14 1985-03-12 U.S. Philips Corporation Electrodynamic focus and radial slide drive for an optical disc system
JPS59178631A (ja) * 1983-03-29 1984-10-09 Toshiba Corp 光ピツクアツプ
JPS59178630A (ja) * 1983-03-29 1984-10-09 Toshiba Corp 光ピツクアツプ
JP2502498B2 (ja) * 1984-11-20 1996-05-29 松下電器産業株式会社 対物レンズ支持装置
US4761774A (en) * 1985-05-30 1988-08-02 Matsushita Electric Industrial Co., Ltd. Optical disc drive apparatus
JPH0668843B2 (ja) * 1985-08-16 1994-08-31 ソニー株式会社 光学ピツクアツプ装置
NL8502872A (nl) * 1985-10-22 1987-05-18 Philips Nv Electro-magnetische aandrijfeenheid met zwenkbaar anker.
DE3684124D1 (de) * 1985-12-27 1992-04-09 Mitsubishi Electric Corp Antriebsvorrichtung fuer ein objektiv.
JPS62287438A (ja) * 1986-06-05 1987-12-14 Canon Inc 光学系駆動装置
DE3789099T2 (de) * 1986-12-26 1994-07-14 Toshiba Kawasaki Kk Steuerungsgerät für Objektivlinse.
JPS63195834A (ja) * 1987-02-10 1988-08-12 Pioneer Electronic Corp 可動体支持装置
JP2637415B2 (ja) * 1987-03-03 1997-08-06 オリンパス光学工業株式会社 光磁気記録再生装置
JPH01502702A (ja) * 1987-03-24 1989-09-14 ラディク，トゥイヌ　アルボウィッチ 光ヘッドを作動させるための磁電機構
DE3728237A1 (de) * 1987-08-25 1989-03-09 Philips Patentverwaltung Verfahren zum schreiben von binaerer information in eine magnetooptische speicherschicht und anordnung zur durchfuehrung des verfahrens
JPH01178143A (ja) * 1988-01-08 1989-07-14 Matsushita Electric Ind Co Ltd 光ディスク装置

Also Published As

Publication number Publication date
DE69024511T2 (de) 1996-06-13
EP0617417B1 (de) 1997-04-16
EP0382553A1 (de) 1990-08-16
EP0617417A2 (de) 1994-09-28
US5140471A (en) 1992-08-18
EP0382553B1 (de) 1996-01-03
EP0617417A3 (de) 1994-10-05
DE69030514D1 (de) 1997-05-22
DE69024511D1 (de) 1996-02-15

Similar Documents

Publication Publication Date Title
DE68926024D1 (de) Gerät zum Bewegen einer Objectivlinse mit einer viskoelastischen Substanz
DE69120443T2 (de) Gerät zum automatischen Fahren
DE69313699T2 (de) Vorrichtung zum Wiederauffinden der Position einer Innenfokuslinse
DE68916861D1 (de) Objektivlinsenantriebsgerät.
DE69120121D1 (de) Gerät zum automatischen Fahren
DE69312422T2 (de) Antriebsvorrichtung zum Verstellen einer Objektivlinse
DE69117549T2 (de) Gerät zum automatischen Fahren
EP0419097A3 (en) Objective lens driving devices
KR870011489A (ko) 대물렌즈 구동장치
DE69112117D1 (de) Vorrichtung zum Quertrennen von einer optischen Glasfaser.
DE69030514T2 (de) Gerät zum Antreiben einer Objektivlinse
IT9020522A0 (it) dispositivo ottico
DE68914300D1 (de) Objektivlinsenantriebsgerät.
KR900012220A (ko) 광헤드장치
DE69214044D1 (de) Vorrichtung zum Tragen einer Objektivlinse
DE69030048D1 (de) Gerät zum Kontrollieren von Objektiven
KR900012222A (ko) 광 픽업장치
KR910001232U (ko) 구동링의 위치감지장치
DE69026978T2 (de) Autofocusgerät
DE59206086D1 (de) Vorrichtung zum Positionieren von Lichtleitfasern
DE69315878D1 (de) Antriebsgerät für Objektiv
DE69028228D1 (de) Gerät zur Fokussierungsbestimmung
DE69120122T2 (de) Gerät zum automatischen Fahren
DE69025855D1 (de) Antriebseinheit für Objektivlinse
DE69326541T2 (de) Vorrichtung zum antrieb eines optischen teiles

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee