DE69126688T2 - Abspielgerät für optische Platten zur optischen Verarbeitung von Information - Google Patents

Abspielgerät für optische Platten zur optischen Verarbeitung von Information

Info

Publication number
DE69126688T2
DE69126688T2 DE69126688T DE69126688T DE69126688T2 DE 69126688 T2 DE69126688 T2 DE 69126688T2 DE 69126688 T DE69126688 T DE 69126688T DE 69126688 T DE69126688 T DE 69126688T DE 69126688 T2 DE69126688 T2 DE 69126688T2
Authority
DE
Germany
Prior art keywords
pairs
rollers
elastic means
leaf spring
securing
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
DE69126688T
Other languages
German (de)
English (en)
Other versions
DE69126688D1 (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
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69126688D1 publication Critical patent/DE69126688D1/de
Application granted granted Critical
Publication of DE69126688T2 publication Critical patent/DE69126688T2/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
    • 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
    • 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
    • G11B7/08582—Sled-type 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of Heads (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
DE69126688T 1990-08-29 1991-08-29 Abspielgerät für optische Platten zur optischen Verarbeitung von Information Expired - Fee Related DE69126688T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22536090 1990-08-29

Publications (2)

Publication Number Publication Date
DE69126688D1 DE69126688D1 (de) 1997-08-07
DE69126688T2 true DE69126688T2 (de) 1997-12-18

Family

ID=16828122

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126688T Expired - Fee Related DE69126688T2 (de) 1990-08-29 1991-08-29 Abspielgerät für optische Platten zur optischen Verarbeitung von Information

Country Status (5)

Country Link
US (2) US5361243A (enExample)
EP (1) EP0473425B1 (enExample)
KR (1) KR940010943B1 (enExample)
DE (1) DE69126688T2 (enExample)
TW (1) TW268126B (enExample)

Families Citing this family (43)

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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
US5612945A (en) * 1993-02-22 1997-03-18 U.S. Philips Corporation Device for recording and/or reading information by means of a radiation beam, plate-shaped element suitable for use in the device, and disc player comprising the device
JPH0757159A (ja) * 1993-08-11 1995-03-03 Sayama Precision Ind Co 携帯装置の為の無音警報用振動発生装置
JP2762930B2 (ja) * 1994-06-14 1998-06-11 日本電気株式会社 薄型内周外周アクセス光ヘッド
TW272281B (enExample) * 1994-08-15 1996-03-11 Sony Co Ltd
JPH0887751A (ja) * 1994-09-19 1996-04-02 Toshiba Corp 光学ヘッド装置アクセス機構
WO1996011484A2 (en) * 1994-10-06 1996-04-18 Philips Electronics N.V. Actuator comprising a rotatable magnet body; actuator unit comprising the actuator and a control system; magneto-optical device comprising the actuator, and scanner comprising the actuator
US5825745A (en) * 1994-11-10 1998-10-20 Kabushiki Kaisha Toshiba Data storage-playback apparatus and optical disk apparatus
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
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
US5742441A (en) * 1995-04-07 1998-04-21 Discovision Associates Method and apparatus for aligning an objective lens
US5745470A (en) * 1995-05-31 1998-04-28 Kabushiki Kaisha Toshiba Head moving apparatus which cancels leakage flux
US5708633A (en) * 1995-06-07 1998-01-13 Discovision Associates Method and apparatus for manufacturing information storage devices
EP0828064B1 (en) * 1996-09-09 2003-08-06 Calsonic Kansei Corporation Circular plate spring
SG90044A1 (en) * 1999-03-24 2002-07-23 Sony Prec Engineering Ct Singa Optical pickup device
US6097552A (en) * 1999-05-27 2000-08-01 Polaroid Corporation Autofocus actuator device
US6272206B1 (en) 1999-11-03 2001-08-07 Perkinelmer Detection Systems, Inc. Rotatable cylinder dual beam modulator
FR2825768B1 (fr) * 2001-06-06 2004-03-12 Vibrachoc Sa Dispositif d'amortissement de vibrations
WO2003016829A1 (en) * 2001-08-07 2003-02-27 Namiki Seimitsu Houseki Kabushiki Kaisha Magnetic micro encoder and micro motor
US6813225B2 (en) * 2001-08-20 2004-11-02 Asm Assembly Automation Limited Linear motor driven mechanism using flexure bearings for opto-mechanical devices
US7510564B2 (en) * 2003-06-27 2009-03-31 Abbott Diabetes Care Inc. Lancing device
US7590341B2 (en) * 2004-04-13 2009-09-15 Panasonic Corporation Camera module
DE102004062302A1 (de) * 2004-12-23 2006-07-13 BSH Bosch und Siemens Hausgeräte GmbH Linearverdichter und Antriebsaggregat dafür
US20070097530A1 (en) * 2005-11-03 2007-05-03 Industrial Technology Research Institute Optical devices
US20070097532A1 (en) * 2005-11-03 2007-05-03 Industrial Technology Research Institute Optical devices
DE102005058661B4 (de) * 2005-12-07 2018-11-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Kupplung zum Ausgleichen eines Achsversatzes
TWI265668B (en) * 2005-12-23 2006-11-01 Ind Tech Res Inst Axial movement actuator
WO2007122848A1 (ja) * 2006-03-29 2007-11-01 Mitsubishi Electric Corporation レンズ駆動装置、光ピックアップ装置、及び取付調整方法
EP1939680B1 (en) * 2006-12-25 2013-06-19 Nikon Corporation Aperture mechanism, optical apparatus and manufacturing method thereof
US20080157609A1 (en) * 2006-12-28 2008-07-03 Hung-Lin Wang Plate spring for voice coil motor
RU2537347C2 (ru) * 2009-04-09 2015-01-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Топливная композиция и ее применение
WO2013089820A2 (en) * 2011-04-13 2013-06-20 Borgwarner Inc. Pulley assemblies for vehicle accessories
US8876094B1 (en) * 2011-08-05 2014-11-04 Armorworks Enterprises LLC Multi-axis energy attenuating mount
TWI450262B (zh) * 2011-12-28 2014-08-21 Chunghwa Picture Tubes Ltd 顯示面板的閘極驅動電路
US8960655B2 (en) * 2013-05-31 2015-02-24 Sunpower, Inc. Compact flexure bearing spring for springing multiple bodies
SG10201407632UA (en) * 2013-11-26 2015-06-29 Agency Science Tech & Res Transducer and method for forming the same
US10088068B2 (en) * 2015-09-23 2018-10-02 Hamilton Sundstrand Corporation Flexures for flow regulation devices

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3682466A (en) * 1970-05-04 1972-08-08 Edgewater Corp Composite belleville type springs and manufacture
GB2052829B (en) * 1979-04-27 1983-01-12 Olympus Optical Co Apparatus for driving objective lens in tracking direction
US4472024A (en) * 1981-01-07 1984-09-18 Olympus Optical Co. Ltd. Apparatus for driving objective lens
US4507764A (en) * 1981-08-25 1985-03-26 Olympus Optical Co., Ltd. Objective lens drive device with tracking error correction with flux of opposite direction
EP0314200B1 (en) * 1983-01-25 1992-08-12 Sharp Kabushiki Kaisha Optical focus position control device
NL8403052A (nl) * 1984-10-08 1986-05-01 Philips Nv Optische inrichting.
US4840457A (en) * 1987-12-17 1989-06-20 General Electric Company Angled strut diaphragm spring
JPH067449Y2 (ja) * 1988-03-04 1994-02-23 パイオニア株式会社 ディスクプレーヤ
US5218587A (en) * 1989-06-30 1993-06-08 Fuji Xerox Co., Ltd. Magnetic optical recording/reproducing apparatus
JPH03237628A (ja) * 1990-02-13 1991-10-23 Matsushita Electric Ind Co Ltd 情報記録再生装置の光学部駆動装置

Also Published As

Publication number Publication date
DE69126688D1 (de) 1997-08-07
EP0473425A2 (en) 1992-03-04
US5493546A (en) 1996-02-20
US5361243A (en) 1994-11-01
EP0473425B1 (en) 1997-07-02
EP0473425A3 (en) 1992-10-28
KR920005081A (ko) 1992-03-28
TW268126B (enExample) 1996-01-11
KR940010943B1 (ko) 1994-11-19

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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