DE69020417T2 - Optischer Kopf. - Google Patents

Optischer Kopf.

Info

Publication number
DE69020417T2
DE69020417T2 DE69020417T DE69020417T DE69020417T2 DE 69020417 T2 DE69020417 T2 DE 69020417T2 DE 69020417 T DE69020417 T DE 69020417T DE 69020417 T DE69020417 T DE 69020417T DE 69020417 T2 DE69020417 T2 DE 69020417T2
Authority
DE
Germany
Prior art keywords
optical head
optical
head
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
DE69020417T
Other languages
English (en)
Other versions
DE69020417D1 (de
Inventor
Takamichi Tomiyama
Hitoshi Nara
Osamu Adachi
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
Application granted granted Critical
Publication of DE69020417D1 publication Critical patent/DE69020417D1/de
Publication of DE69020417T2 publication Critical patent/DE69020417T2/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
DE69020417T 1989-04-20 1990-04-19 Optischer Kopf. Expired - Fee Related DE69020417T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1101258A JP2684762B2 (ja) 1989-04-20 1989-04-20 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
DE69020417D1 DE69020417D1 (de) 1995-08-03
DE69020417T2 true DE69020417T2 (de) 1995-12-21

Family

ID=14295890

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020417T Expired - Fee Related DE69020417T2 (de) 1989-04-20 1990-04-19 Optischer Kopf.

Country Status (5)

Country Link
US (1) US5161067A (de)
EP (1) EP0394032B1 (de)
JP (1) JP2684762B2 (de)
KR (1) KR900016963A (de)
DE (1) DE69020417T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241424A (en) * 1990-07-12 1993-08-31 Konica Corporation Fine actuator
JP2964698B2 (ja) * 1991-04-26 1999-10-18 ソニー株式会社 対物レンズ保持体及びその製造方法並びに対物レンズ保持部材ブロック
US5555623A (en) * 1991-04-21 1996-09-17 Sony Corporation Method formaking and producing object lens holder
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
US5463612A (en) * 1991-12-05 1995-10-31 Canon Kabushiki Kaisha Objective lens drive apparatus used in optical information recording/reproducing apparatus
JPH05182227A (ja) * 1991-12-27 1993-07-23 Matsushita Electric Ind Co Ltd 光ピックアップ
EP0577199B1 (de) * 1992-07-01 1997-09-03 Koninklijke Philips Electronics N.V. Elektrooptische Abtasteinrichtung und mit der Abtasteinrichtung versehener Spieler
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
MY109874A (en) * 1992-12-17 1997-09-30 Koninklijke Philips Electronics Nv Scanning device and optical player comprising the scanning device
JP2972485B2 (ja) * 1993-06-07 1999-11-08 日本電気株式会社 対物レンズアクチュエータ
US5428589A (en) * 1993-08-17 1995-06-27 Eastman Kodak Company Apparatus and method for an electromagnetic actuator with two orthogonal axes of motion
US5715231A (en) * 1993-09-14 1998-02-03 Kabushiki Kaisha Toshiba Objective lens driving apparatus and optical head driving apparatus
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
DE69600298D1 (de) * 1995-03-31 1998-06-25 Daewoo Electronics Co Ltd Optisches Abtastgerät
JP3480129B2 (ja) * 1995-06-28 2003-12-15 ソニー株式会社 二軸アクチェータ及び光学ピックアップ
JP3581533B2 (ja) * 1997-08-08 2004-10-27 パイオニア株式会社 光学式ピックアップ装置における対物レンズの姿勢調整機構
US6166867A (en) * 1999-09-13 2000-12-26 Acute Applied Technologies Objective lens holder
US6473248B1 (en) * 1999-09-21 2002-10-29 Matsushita Electronics Industrial Co. Ltd. Method for manufacturing an optical pickup
JP3981509B2 (ja) * 1999-11-22 2007-09-26 パイオニア株式会社 レンズ駆動装置とその製造装置及びレンズ駆動装置の製造方法
US6661588B1 (en) * 2002-08-22 2003-12-09 Umax Data Systems Inc. Objective lens anti-shock adjustment device
KR100630775B1 (ko) * 2004-09-17 2006-10-02 도시바삼성스토리지테크놀러지코리아 주식회사 광픽업용 다중배선 서스펜션 및 상기 다중배선 서스펜션이장착된 광픽업용 액츄에이터

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130840A (en) * 1980-03-17 1981-10-14 Sanyo Electric Co Ltd Pickup controlling mechanism for video disc recorder
JPS57198551A (en) * 1981-07-09 1982-12-06 Sony Corp Supporting device for optical system
JPS59104733A (ja) * 1982-12-08 1984-06-16 Pioneer Electronic Corp 光学式情報読取装置における光学系駆動装置
US4720088A (en) * 1983-05-18 1988-01-19 Canon Kabushiki Kaisha Optical system supporting device
US4596444A (en) * 1983-07-05 1986-06-24 Alps Electric Co., Ltd. Double cantilever support construction for optical systems
JPS6098530A (ja) * 1983-11-02 1985-06-01 Hitachi Ltd 対物レンズ支持駆動装置
JPS60101732A (ja) * 1983-11-08 1985-06-05 Toshiba Corp 光ピツクアツプ装置
US4818066A (en) * 1984-01-30 1989-04-04 Canon Kabushiki Kaisha Objective lens driving device
JPS60160032A (ja) * 1984-01-30 1985-08-21 Canon Inc 光学的記録再生装置の対物レンズ駆動装置
JPS6185640A (ja) * 1984-10-02 1986-05-01 Toshiba Corp 光学ヘツド装置
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
US4922477A (en) * 1987-05-30 1990-05-01 Nec Home Electronics Ltd. Optical head unit
JPS6437733A (en) * 1987-08-01 1989-02-08 Sony Corp Objective driver
JPS6442520U (de) * 1987-09-08 1989-03-14
JPH0266739A (ja) * 1988-09-01 1990-03-06 Pioneer Electron Corp 光学式ビックアップ装置
JPH0269243A (ja) * 1988-09-05 1990-03-08 Fuji Photo Film Co Ltd ピデオプリント方法
JPH0290132A (ja) * 1988-09-27 1990-03-29 Canon Electron Inc カメラの光量調整装置
JP2684738B2 (ja) * 1988-12-29 1997-12-03 ソニー株式会社 対物レンズ駆動装置
JPH0334904A (ja) * 1989-06-29 1991-02-14 Kumiai Chem Ind Co Ltd 懸濁状殺菌剤組成物

Also Published As

Publication number Publication date
KR900016963A (ko) 1990-11-15
JPH02278529A (ja) 1990-11-14
EP0394032A3 (de) 1991-01-09
US5161067A (en) 1992-11-03
JP2684762B2 (ja) 1997-12-03
EP0394032A2 (de) 1990-10-24
EP0394032B1 (de) 1995-06-28
DE69020417D1 (de) 1995-08-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee