SG50391G - Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective - Google Patents

Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective

Info

Publication number
SG50391G
SG50391G SG50391A SG50391A SG50391G SG 50391 G SG50391 G SG 50391G SG 50391 A SG50391 A SG 50391A SG 50391 A SG50391 A SG 50391A SG 50391 G SG50391 G SG 50391G
Authority
SG
Singapore
Prior art keywords
scanning unit
translational
angular
detection system
objective lens
Prior art date
Application number
SG50391A
Other languages
English (en)
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
Publication of SG50391G publication Critical patent/SG50391G/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • 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
    • G11B7/0935—Details of the moving parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Control And Safety Of Cranes (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Communication System (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Vehicle Body Suspensions (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Optical Distance (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Eye Examination Apparatus (AREA)
SG50391A 1985-06-10 1991-06-26 Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective SG50391G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8501665A NL8501665A (nl) 1985-06-10 1985-06-10 Optische aftasteenheid met positie- en standdetektiestelsel voor een elektromagnetisch gelagerd objektief.

Publications (1)

Publication Number Publication Date
SG50391G true SG50391G (en) 1991-08-23

Family

ID=19846113

Family Applications (1)

Application Number Title Priority Date Filing Date
SG50391A SG50391G (en) 1985-06-10 1991-06-26 Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective

Country Status (18)

Country Link
US (1) US4638471A (xx)
EP (1) EP0206396B1 (xx)
JP (2) JPS62901A (xx)
KR (2) KR940010944B1 (xx)
CN (1) CN1003682B (xx)
AT (1) ATE56299T1 (xx)
AU (1) AU585770B2 (xx)
BR (1) BR8602670A (xx)
CA (1) CA1263747A (xx)
CS (1) CS268680B2 (xx)
DE (1) DE3673885D1 (xx)
ES (1) ES8708267A1 (xx)
HK (1) HK92091A (xx)
HU (1) HU200022B (xx)
NL (1) NL8501665A (xx)
RU (1) RU2037860C1 (xx)
SG (1) SG50391G (xx)
YU (1) YU98086A (xx)

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US4951274A (en) * 1987-01-23 1990-08-21 Nec Corporation Magneto-optical head capable of separating beams for reading recorded information and servo information by use of one optical element
DE3777627D1 (de) * 1987-01-26 1992-04-23 Philips Nv Repliklinse mit glaslinsenkoerper.
US5830735A (en) * 1987-03-06 1998-11-03 Gist-Brocades Nv Method for producing lipolytic enzymes using transformed Pseudomonas
US4863252A (en) * 1988-02-11 1989-09-05 Tracor Northern, Inc. Objective lens positioning system for confocal tandem scanning reflected light microscope
US5017768A (en) * 1988-09-14 1991-05-21 Copal Company Limited Optical focusing control apparatus
JP2737998B2 (ja) * 1989-03-31 1998-04-08 ソニー株式会社 対物レンズ位置検出装置
US5027340A (en) * 1989-06-01 1991-06-25 Mitsubishi Denki Kabushiki Kaisha Object lens head assembly
US5101393A (en) * 1990-07-25 1992-03-31 Hewlett-Packard Company Optical position error detection using complementary steep angle reflections/transmissions
US5281797A (en) * 1991-12-26 1994-01-25 Hitachi, Ltd. Short wavelength optical disk head having a changeable aperture
US5289442A (en) * 1992-06-19 1994-02-22 U.S. Philips Corporation Optical scanner with a long fast access stroke
TW224169B (xx) * 1992-06-19 1994-05-21 Philips Nv
WO1995027918A2 (de) * 1994-04-11 1995-10-19 Leica Ag Verfahren zur ermittlung von positionsdaten eines messpunktes und vorrichtung für das messen der vergrösserung in einem optischen strahlengang
US5732054A (en) * 1995-03-28 1998-03-24 Eastman Kodak Company Combined tracking position and tilt sensor for optical recording actuator
US5768037A (en) * 1995-10-06 1998-06-16 Eastman Kodak Company Actuator with single surface-field motor
TW330907B (en) * 1996-09-09 1998-05-01 Riso Kagaku Corp The ink container and ink supplied device for packing ink container
TW332188B (en) * 1996-11-06 1998-05-21 Riso Kagaku Corp The ink-supplying apparatus for printer
JP3750703B2 (ja) * 1997-02-10 2006-03-01 日本紙パック株式会社 液用可撓容器
US5909285A (en) * 1997-05-05 1999-06-01 Beaty; Elwin M. Three dimensional inspection system
US6055054A (en) * 1997-05-05 2000-04-25 Beaty; Elwin M. Three dimensional inspection system
WO1998058370A1 (en) * 1997-06-16 1998-12-23 Digital Papyrus Corporation Planar proximity lens element and disk drive using same
AUPO790397A0 (en) * 1997-07-16 1997-08-07 Lions Eye Institute Of Western Australia Incorporated, The Laser scanning apparatus and method
US6072898A (en) * 1998-01-16 2000-06-06 Beaty; Elwin M. Method and apparatus for three dimensional inspection of electronic components
US6915007B2 (en) 1998-01-16 2005-07-05 Elwin M. Beaty Method and apparatus for three dimensional inspection of electronic components
US6915006B2 (en) * 1998-01-16 2005-07-05 Elwin M. Beaty Method and apparatus for three dimensional inspection of electronic components
KR100344890B1 (ko) 1998-02-27 2002-07-20 가부시키가이샤 옵트웨어 광정보 기록장치 및 방법, 광정보 재생장치 및 방법,광정보 기록재생장치 및 광정보 기록매체
US7034859B2 (en) * 2002-08-08 2006-04-25 Canon Kabushiki Kaisha Optical scanning device and image forming apparatus using the same
KR100498979B1 (ko) * 2003-04-09 2005-07-01 삼성전기주식회사 전압 감도와 위상 제어할 수 있는 액추에이터 및 이를구비한 광픽업
JP4412142B2 (ja) * 2003-12-19 2010-02-10 Ｔｄｋ株式会社 光ヘッド
JP4093209B2 (ja) * 2004-07-12 2008-06-04 ティアック株式会社 光ピックアップ装置および光ディスク装置
DE102005015627A1 (de) * 2005-04-06 2006-10-12 Carl Zeiss Smt Ag Optische Abbildungsvorrichtung
JP6287546B2 (ja) * 2014-04-25 2018-03-07 ミツミ電機株式会社 アクチュエータ及びエアポンプ、理美容機器及びレーザー走査機器
DE102014217517A1 (de) * 2014-09-02 2016-03-03 Laser- Und Medizin-Technologie Gmbh, Berlin Vorrichtung zur Steuerung einer relativen Verlagerung einer ersten Halterung und einer zweiten Halterung
US9726524B2 (en) * 2014-10-09 2017-08-08 Raytheon Company Optical position encoder
EP3645965B1 (en) * 2017-06-26 2022-04-27 trinamiX GmbH Detector for determining a position of at least one object
CN107727009B (zh) * 2017-11-06 2023-11-24 深圳精创视觉科技有限公司 手机盖板玻璃质量检测装置
CN110631483B (zh) * 2019-09-29 2020-11-17 华中科技大学 正交光栅三自由度磁浮测量传感器、检测仪及其检测方法
CN112683164B (zh) * 2020-12-03 2022-07-29 中国科学院光电技术研究所 一种适用于视觉-激光测量系统的相对位姿测量精度评估方法
CN114967089B (zh) * 2022-05-17 2023-04-07 浙江大学 一种具有自动光束准直的三维超分辨显微成像系统

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US4273468A (en) * 1978-03-23 1981-06-16 Balfour Beatty Limited Tunnelling shields and like moveable apparatus
JPS54130047A (en) * 1978-03-31 1979-10-09 Olympus Optical Co Ltd Aspherical optical element and production of the same
DE2910588C2 (de) * 1979-03-17 1982-04-29 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Vorrichtung zum Empfang einer elektromagnetischen Strahlung
NL8101669A (nl) * 1981-04-03 1982-11-01 Philips Nv Inrichting voor het detekteren van de stand van een voorwerp.
NL8103305A (nl) * 1981-07-10 1983-02-01 Philips Nv Opto-elektronische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen.
DE3234288C2 (de) * 1982-09-16 1984-07-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Optische Vorrichtung zur Lenkung bzw. Ausrichtung eines Strahlenbündels
JPS59154677A (ja) * 1983-02-22 1984-09-03 Matsushita Electric Ind Co Ltd トラツキング制御装置
JPS59168835U (ja) * 1983-04-27 1984-11-12 パイオニア株式会社 光学式記録情報読取装置
DE3484723D1 (de) * 1983-09-05 1991-07-25 Mitsubishi Electric Corp Automatisches fokussierungsverfahren.
NL8304402A (nl) * 1983-12-22 1985-07-16 Philips Nv Optische aftasteenheid met een focusfout-detectiestelsel.
AU580793B2 (en) * 1984-01-31 1989-02-02 Sony Corporation Tracking error detector for optical head
US4563058A (en) * 1984-06-28 1986-01-07 International Business Machines Corporation Optical signal recorder employing a transducer having an adjustable dichroic mirror
JP2575099B2 (ja) * 1984-10-04 1997-01-22 ソニー株式会社 光学式ヘツドのトラツキング誤差検出装置
JPS6194246A (ja) * 1984-10-15 1986-05-13 Sony Corp 光学式ヘッドのトラッキング誤差検出方法

Also Published As

Publication number Publication date
US4638471A (en) 1987-01-20
JPH0535485B2 (xx) 1993-05-26
CN86104848A (zh) 1987-05-27
KR870000601A (ko) 1987-02-19
CS423386A2 (en) 1989-07-12
YU98086A (en) 1989-12-31
NL8501665A (nl) 1987-01-02
AU5850486A (en) 1986-12-18
HK92091A (en) 1991-11-22
CA1263747A (en) 1989-12-05
DE3673885D1 (de) 1990-10-11
KR940010944B1 (ko) 1994-11-19
JPS62901A (ja) 1987-01-06
EP0206396A1 (en) 1986-12-30
ES8708267A1 (es) 1987-10-01
CN1003682B (zh) 1989-03-22
HUT44110A (en) 1988-01-28
ATE56299T1 (de) 1990-09-15
JPS623438A (ja) 1987-01-09
ES555805A0 (es) 1987-10-01
RU2037860C1 (ru) 1995-06-19
AU585770B2 (en) 1989-06-22
EP0206396B1 (en) 1990-09-05
CS268680B2 (en) 1990-04-11
KR870000608A (ko) 1987-02-19
HU200022B (en) 1990-03-28
BR8602670A (pt) 1987-02-03

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