NL8600437A - Electro-optische inrichting. - Google Patents

Electro-optische inrichting. Download PDF

Info

Publication number
NL8600437A
NL8600437A NL8600437A NL8600437A NL8600437A NL 8600437 A NL8600437 A NL 8600437A NL 8600437 A NL8600437 A NL 8600437A NL 8600437 A NL8600437 A NL 8600437A NL 8600437 A NL8600437 A NL 8600437A
Authority
NL
Netherlands
Prior art keywords
optical
holder
actuator
axis
pivot axis
Prior art date
Application number
NL8600437A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8600437A priority Critical patent/NL8600437A/nl
Priority to EP87200259A priority patent/EP0240041B1/en
Priority to KR1019870001333A priority patent/KR940011228B1/ko
Priority to JP62033548A priority patent/JPH0673189B2/ja
Priority to DE8787200259T priority patent/DE3764837D1/de
Priority to US07/017,503 priority patent/US4767187A/en
Publication of NL8600437A publication Critical patent/NL8600437A/nl
Priority to SG50591A priority patent/SG50591G/en
Priority to HK895/91A priority patent/HK89591A/xx

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
    • 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
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Lens Barrels (AREA)
  • Photovoltaic Devices (AREA)
NL8600437A 1986-02-21 1986-02-21 Electro-optische inrichting. NL8600437A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL8600437A NL8600437A (nl) 1986-02-21 1986-02-21 Electro-optische inrichting.
EP87200259A EP0240041B1 (en) 1986-02-21 1987-02-18 Electro-optical device
KR1019870001333A KR940011228B1 (ko) 1986-02-21 1987-02-18 광전장치
JP62033548A JPH0673189B2 (ja) 1986-02-21 1987-02-18 光電装置
DE8787200259T DE3764837D1 (de) 1986-02-21 1987-02-18 Elektrooptische vorrichtung.
US07/017,503 US4767187A (en) 1986-02-21 1987-02-24 Device for optically scanning an information carrier
SG50591A SG50591G (en) 1986-02-21 1991-06-26 Electro-optical device
HK895/91A HK89591A (en) 1986-02-21 1991-11-07 Electro-optical device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8600437 1986-02-21
NL8600437A NL8600437A (nl) 1986-02-21 1986-02-21 Electro-optische inrichting.

Publications (1)

Publication Number Publication Date
NL8600437A true NL8600437A (nl) 1987-09-16

Family

ID=19847607

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8600437A NL8600437A (nl) 1986-02-21 1986-02-21 Electro-optische inrichting.

Country Status (8)

Country Link
US (1) US4767187A (ja)
EP (1) EP0240041B1 (ja)
JP (1) JPH0673189B2 (ja)
KR (1) KR940011228B1 (ja)
DE (1) DE3764837D1 (ja)
HK (1) HK89591A (ja)
NL (1) NL8600437A (ja)
SG (1) SG50591G (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782475A (en) * 1986-12-22 1988-11-01 Eastman Kodak Company Flexure supported read head
EP0273367B1 (en) * 1986-12-26 1994-02-16 Kabushiki Kaisha Toshiba Objective lens driving apparatus
JPH01113827U (ja) * 1988-01-21 1989-07-31
US4987565A (en) * 1988-01-22 1991-01-22 Olympus Optical Co., Ltd. Apparatus for driving objective lens
US5220543A (en) * 1989-02-14 1993-06-15 Victor Company Of Japan, Ltd. Compact optical disc recording/reproducing system
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
JPH077522B2 (ja) * 1990-01-31 1995-01-30 シャープ株式会社 レンズ駆動用支持体
US5046819A (en) * 1990-04-16 1991-09-10 International Business Machines Corporation Objective lens support having rotary and axial motions for use in an optical disk apparatus
JPH04205926A (ja) * 1990-11-30 1992-07-28 Victor Co Of Japan Ltd 光ピックアップのレンズホルダ支持構造
US5416756A (en) * 1991-11-07 1995-05-16 Mitsubishi Denki Kabushiki Kaisha Lens actuating system with improved frequency response for optical disk drive
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
US5579175A (en) * 1994-02-18 1996-11-26 Samsung Electronics Co., Ltd. Actuator for optical equipment capable of reducing the number of coils to necessary to move an objective lens in a tracking direction and a focusing direction
US5724197A (en) * 1996-08-14 1998-03-03 Eastman Kodak Company Actuator which compensates for compact disk tilt error
US5986983A (en) * 1997-11-19 1999-11-16 Eastman Kodak Company Multiple degrees of freedom actuator for optical recording
JPH11273279A (ja) 1998-03-20 1999-10-08 Fujitsu Ltd ディスク装置及びヘッドキャリッジ装置
KR100512101B1 (ko) * 2000-03-21 2005-09-02 엘지전자 주식회사 광 픽업 엑츄에이터
WO2007111034A1 (ja) * 2006-03-29 2007-10-04 Mitsubishi Electric Corporation 光学手段駆動装置
US8429681B2 (en) * 2007-09-06 2013-04-23 Sanyo Electric Co., Ltd. Optical disc apparatus which includes an optical pickup apparatus that includes an optical member driving apparatus

Family Cites Families (11)

* 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
JPS57178233A (en) * 1981-04-27 1982-11-02 Sony Corp Supporting structure of optical system
JPS57210456A (en) * 1981-06-22 1982-12-24 Sony Corp Objective lens device
JPS58163908U (ja) * 1982-04-27 1983-11-01 株式会社三協精機製作所 対物レンズ駆動装置
JPS59104735A (ja) * 1982-12-08 1984-06-16 Sony Corp 対物レンズ駆動装置
US4566089A (en) * 1983-03-30 1986-01-21 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
NL8303700A (nl) * 1983-10-27 1985-05-17 Philips Nv Electro-optische inrichting.
JPS6095735A (ja) * 1983-10-31 1985-05-29 Hitachi Ltd 対物レンズ駆動装置
NL8304141A (nl) * 1983-12-01 1985-07-01 Philips Nv Electro-optische inrichting voor de electro-dynamische regeling van de positie van een stralingsvlek.
JPS60202551A (ja) * 1984-03-28 1985-10-14 Mitsubishi Electric Corp 光学式情報記録再生用光ヘツド
JPH042420Y2 (ja) * 1984-09-28 1992-01-28

Also Published As

Publication number Publication date
JPH0673189B2 (ja) 1994-09-14
HK89591A (en) 1991-11-15
EP0240041B1 (en) 1990-09-12
JPS62208439A (ja) 1987-09-12
DE3764837D1 (de) 1990-10-18
KR870008205A (ko) 1987-09-25
KR940011228B1 (ko) 1994-11-29
US4767187A (en) 1988-08-30
SG50591G (en) 1991-08-23
EP0240041A1 (en) 1987-10-07

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BV The patent application has lapsed