NL192147B - Aandrijfinrichting voor het verplaatsen van een objectieflens. - Google Patents

Aandrijfinrichting voor het verplaatsen van een objectieflens.

Info

Publication number
NL192147B
NL192147B NL8500361A NL8500361A NL192147B NL 192147 B NL192147 B NL 192147B NL 8500361 A NL8500361 A NL 8500361A NL 8500361 A NL8500361 A NL 8500361A NL 192147 B NL192147 B NL 192147B
Authority
NL
Netherlands
Prior art keywords
moving
driving device
objective lens
objective
lens
Prior art date
Application number
NL8500361A
Other languages
English (en)
Other versions
NL8500361A (nl
NL192147C (nl
Original Assignee
Sharp Kk
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 JP2249484A external-priority patent/JPS60164934A/ja
Priority claimed from JP2249384A external-priority patent/JPS60164933A/ja
Priority claimed from JP7554584A external-priority patent/JPS60219642A/ja
Priority claimed from JP7554484A external-priority patent/JPS60219641A/ja
Application filed by Sharp Kk filed Critical Sharp Kk
Publication of NL8500361A publication Critical patent/NL8500361A/nl
Publication of NL192147B publication Critical patent/NL192147B/nl
Application granted granted Critical
Publication of NL192147C publication Critical patent/NL192147C/nl

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
    • G11B7/081—Disposition or mounting of heads or light sources relatively to record carriers for time base error correction by moving the light beam
    • 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
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • 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
NL8500361A 1984-02-08 1985-02-08 Aandrijfinrichting voor het verplaatsen van een objectieflens. NL192147C (nl)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2249484A JPS60164934A (ja) 1984-02-08 1984-02-08 対物レンズの３次元駆動装置
JP2249484 1984-02-08
JP2249384A JPS60164933A (ja) 1984-02-08 1984-02-08 対物レンズの３次元駆動装置
JP2249384 1984-02-08
JP7554584A JPS60219642A (ja) 1984-04-13 1984-04-13 対物レンズの３次元駆動装置
JP7554584 1984-04-13
JP7554484A JPS60219641A (ja) 1984-04-13 1984-04-13 対物レンズの３次元駆動装置
JP7554484 1984-04-13

Publications (3)

Publication Number Publication Date
NL8500361A NL8500361A (nl) 1985-09-02
NL192147B true NL192147B (nl) 1996-10-01
NL192147C NL192147C (nl) 1997-02-04

Family

ID=27457779

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8500361A NL192147C (nl) 1984-02-08 1985-02-08 Aandrijfinrichting voor het verplaatsen van een objectieflens.

Country Status (3)

Country Link
US (2) US4696566A (nl)
GB (1) GB2154023B (nl)
NL (1) NL192147C (nl)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700148A (nl) * 1987-01-21 1988-08-16 Stichting Tech Wetenschapp Inrichting voor het focusseren van electro-magnetische golven of geluid.
JPH0750528B2 (ja) * 1987-06-25 1995-05-31 三菱電機株式会社 対物レンズ駆動装置
US5073883A (en) * 1988-01-27 1991-12-17 Sony Corporation Objective lens driving apparatus including parallalogram structure
JP2684738B2 (ja) * 1988-12-29 1997-12-03 ソニー株式会社 対物レンズ駆動装置
JPH0734495Y2 (ja) * 1989-05-09 1995-08-02 パイオニア株式会社 光学式ピックアップ
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
US5285488A (en) * 1989-09-21 1994-02-08 Canon Kabushiki Kaisha Exposure apparatus
JPH03122826A (ja) * 1989-10-05 1991-05-24 Canon Inc アクチュエータ
US5138497A (en) * 1991-03-15 1992-08-11 Eastman Kodak Company High speed focusing lens assembly
US5134527A (en) * 1990-04-25 1992-07-28 Industrial Technology Research Institute Suspension mechanism for an objective lens of an optical head
US5218585A (en) * 1990-10-01 1993-06-08 International Business Machines Corporation Phase shifting feedback control in an optical disk drive
JPH0752511B2 (ja) * 1991-01-22 1995-06-05 富士ゼロックス株式会社 光学的情報記録再生装置
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
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
US5808980A (en) * 1991-02-15 1998-09-15 Discovision Associates Seek actuator for optical recording
US6069857A (en) * 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
MY109874A (en) * 1992-12-17 1997-09-30 Koninklijke Philips Electronics Nv Scanning device and optical player comprising the scanning device
US5721723A (en) * 1994-11-18 1998-02-24 Kabushiki Kaisha Toshiba Objective lens driving device, data recording device, and data reproducing device, all having driver force selectively 120 tutine and positioning the objective lenses
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
US5920539A (en) * 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
US6091684A (en) * 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
US5748578A (en) * 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
EP0735526B1 (en) * 1995-03-31 1998-05-20 Daewoo Electronics Co., Ltd Optical pick-up apparatus
JP2856176B2 (ja) * 1995-11-06 1999-02-10 松下電器産業株式会社 光ピックアップ及び光ピックアップの支持方法
JP2824250B2 (ja) * 1996-07-19 1998-11-11 松下電器産業株式会社 ディスク駆動装置
WO2009040745A1 (en) * 2007-09-26 2009-04-02 Koninklijke Philips Electronics N.V. Objective driving unit for an optical device
JP2011141517A (ja) * 2009-12-11 2011-07-21 Panasonic Corp レンズアクチュエータ

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932700A (en) * 1974-02-04 1976-01-13 Zenith Radio Corporation Focus tracking registration for optical reproducing systems
JPS5837619B2 (ja) * 1977-08-09 1983-08-17 日本ビクター株式会社 光学的情報記録媒体円盤再生装置における可動鏡装置
JPS5542369A (en) * 1978-09-19 1980-03-25 Mitsubishi Electric Corp Pickup controller
JPS56169231A (en) * 1980-05-30 1981-12-25 Sankyo Seiki Mfg Co Ltd Three-dimensional parallel driver for bobbin
GB2088646B (en) * 1980-10-24 1984-09-12 Sony Corp Pick-up assemblies for disc players
JPS5782234A (en) * 1980-11-11 1982-05-22 Mitsubishi Electric Corp Optical head
US4472024A (en) * 1981-01-07 1984-09-18 Olympus Optical Co. Ltd. Apparatus for driving objective lens
US4482986A (en) * 1981-01-30 1984-11-13 Sony Corporation Objective lens mount for optical disc player
JPS57178233A (en) * 1981-04-27 1982-11-02 Sony Corp Supporting structure of optical system
JPS5848033U (ja) * 1981-09-22 1983-03-31 萬世工業株式会社 レンズ駆動装置
US4555780A (en) * 1981-11-19 1985-11-26 Ricoh Co. Ltd. Optical recording and playback unit
JPS58111134A (ja) * 1981-12-23 1983-07-02 Akai Electric Co Ltd 光ピツクアツプ装置の対物レンズ上下左右移動装置
US4574369A (en) * 1982-01-28 1986-03-04 Ricoh Co., Ltd. Tracking/focusing device for positioning an optical lens unit
FR2522860B1 (fr) * 1982-03-02 1989-07-13 Thomson Csf Tete optique d'ecriture-lecture d'un disque optique et dispositif optique associe a une telle tete
CA1208361A (en) * 1983-01-25 1986-07-22 Yoshikazu Fujii Optical focus position control in optical disc apparatus

Also Published As

Publication number Publication date
US4766584A (en) 1988-08-23
GB2154023A (en) 1985-08-29
NL8500361A (nl) 1985-09-02
GB8502904D0 (en) 1985-03-06
GB2154023B (en) 1987-07-29
US4696566A (en) 1987-09-29
NL192147C (nl) 1997-02-04

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19990901