DE69120551T2 - Haltevorrichtung für Linsenantriebssystem - Google Patents

Haltevorrichtung für Linsenantriebssystem

Info

Publication number
DE69120551T2
DE69120551T2 DE69120551T DE69120551T DE69120551T2 DE 69120551 T2 DE69120551 T2 DE 69120551T2 DE 69120551 T DE69120551 T DE 69120551T DE 69120551 T DE69120551 T DE 69120551T DE 69120551 T2 DE69120551 T2 DE 69120551T2
Authority
DE
Germany
Prior art keywords
drive system
holding device
lens drive
lens
holding
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
DE69120551T
Other languages
English (en)
Other versions
DE69120551D1 (de
Inventor
Hiroyuki Suzuki
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69120551D1 publication Critical patent/DE69120551D1/de
Publication of DE69120551T2 publication Critical patent/DE69120551T2/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
    • 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
DE69120551T 1990-01-31 1991-01-30 Haltevorrichtung für Linsenantriebssystem Expired - Fee Related DE69120551T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021356A JPH077522B2 (ja) 1990-01-31 1990-01-31 レンズ駆動用支持体

Publications (2)

Publication Number Publication Date
DE69120551D1 DE69120551D1 (de) 1996-08-08
DE69120551T2 true DE69120551T2 (de) 1997-02-06

Family

ID=12052814

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120551T Expired - Fee Related DE69120551T2 (de) 1990-01-31 1991-01-30 Haltevorrichtung für Linsenantriebssystem

Country Status (5)

Country Link
US (1) US5130854A (de)
EP (1) EP0440196B1 (de)
JP (1) JPH077522B2 (de)
KR (1) KR940003548B1 (de)
DE (1) DE69120551T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
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
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
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
JP2641815B2 (ja) * 1991-07-22 1997-08-20 シャープ株式会社 対物レンズ駆動装置
DE4135908A1 (de) * 1991-10-31 1993-05-06 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen, De Aktuatoranordnung
JPH05258325A (ja) * 1992-01-13 1993-10-08 Sharp Corp 対物レンズ駆動装置
DE4243067C2 (de) * 1992-01-13 2000-12-07 Sharp Kk Antriebsvorrichtung für eine Objektivlinse
JPH05205283A (ja) * 1992-01-27 1993-08-13 Sharp Corp 光ピックアップの対物レンズ駆動装置
DE69426338T2 (de) * 1993-05-18 2001-05-23 Nec Corp Betätigungseinrichtung für optischen Kopf
US5428589A (en) * 1993-08-17 1995-06-27 Eastman Kodak Company Apparatus and method for an electromagnetic actuator with two orthogonal axes of motion
JP3059901B2 (ja) * 1994-12-28 2000-07-04 シャープ株式会社 疑似並進運動支持機構
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
JP3894509B2 (ja) * 1995-08-07 2007-03-22 キヤノン株式会社 光学装置、露光装置およびデバイス製造方法
JP2000117480A (ja) * 1998-10-15 2000-04-25 Fanuc Ltd レーザ加工機
KR100697167B1 (ko) * 2000-03-03 2007-03-21 소니 가부시끼 가이샤 대물 렌즈 장치
US6501716B2 (en) * 2001-03-09 2002-12-31 Lite-On It Corporation Method for determining vertical or horizontal operation of optical disk driver
US7031353B2 (en) * 2003-02-25 2006-04-18 Clifford Jr George M Apparatus and method for adjusting external-cavity lasers
US7283152B2 (en) * 2005-04-26 2007-10-16 Lexmark International, Inc. Collimation assembly with an adjustment bracket capable of flexing when receiving a light source
JP6500540B2 (ja) * 2015-03-24 2019-04-17 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60125939A (ja) * 1983-12-12 1985-07-05 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
US4818066A (en) * 1984-01-30 1989-04-04 Canon Kabushiki Kaisha Objective lens driving device
DE3573853D1 (en) * 1984-01-31 1989-11-23 Matsushita Electric Ind Co Ltd Pick-up arm for an optical disk player
JPS60253030A (ja) * 1984-05-29 1985-12-13 Seiko Instr & Electronics Ltd 対物レンズ駆動装置
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
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.
NL8602564A (nl) * 1986-10-13 1988-05-02 Philips Nv Electro-optische aftastinrichting.
JPS63183632A (ja) * 1987-01-26 1988-07-29 Toshiba Corp 対物レンズ駆動装置
US4794581A (en) * 1987-06-25 1988-12-27 International Business Machines Corporation Lens support system enabling focussing and tracking motions employing a unitary lens holder
US5017768A (en) * 1988-09-14 1991-05-21 Copal Company Limited Optical focusing control apparatus

Also Published As

Publication number Publication date
EP0440196B1 (de) 1996-07-03
EP0440196A3 (en) 1992-03-11
KR910014883A (ko) 1991-08-31
JPH077522B2 (ja) 1995-01-30
JPH03225633A (ja) 1991-10-04
DE69120551D1 (de) 1996-08-08
EP0440196A2 (de) 1991-08-07
US5130854A (en) 1992-07-14
KR940003548B1 (ko) 1994-04-23

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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