ES8308127A1 - Un aparato electro-optico para registrar y-o leer pistas de registro en una superficie reflectora de registro de un disco optico. - Google Patents

Un aparato electro-optico para registrar y-o leer pistas de registro en una superficie reflectora de registro de un disco optico.

Info

Publication number
ES8308127A1
ES8308127A1 ES517187A ES517187A ES8308127A1 ES 8308127 A1 ES8308127 A1 ES 8308127A1 ES 517187 A ES517187 A ES 517187A ES 517187 A ES517187 A ES 517187A ES 8308127 A1 ES8308127 A1 ES 8308127A1
Authority
ES
Spain
Prior art keywords
objective
optical axis
optical
electro
disc
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
Application number
ES517187A
Other languages
English (en)
Other versions
ES517187A0 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES517187A0 publication Critical patent/ES517187A0/es
Publication of ES8308127A1 publication Critical patent/ES8308127A1/es
Expired 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
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Glass Compositions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Liquid Crystal (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

APARATO ELECTRO-OPTICO PARA REGISTRAR Y LEER PISTAS DE REGISTRO EN UNA SUPERFICIE REFLECTORA DE REGISTRO DE UN DISCO OPTICO POR MEDIO DE UN HAZ DE RADIACION. CONSTA DE UNA ARMADURA O BASTIDOR (11) QUE COMPRENDE UN IMAN PERMANENTE (12) ANULAR, MAGNETIZADO AXIALMENTE, PLACAS DE EXTREMO (13, 14) FERROMAGNETICAS Y UN MANGUITO CENTRAL FERROMAGNETICO (15); DE UN OBJETIVO (7) QUE TIENE UN EJE OPTICO (19) Y UN SISTEMA DE LENTES (28, 29) QUE CONCENTRAN EL HAZ DE RADIACION PARA FORMAR UN PUNTO DE RADIACION; DE UNA DISPOSICION PORTAOBJETIVO DE APOYO GIRATORIO QUE PERMITE MOVIMIENTOS GIRATORIOS LIMITADOS AL EJE OPTICO DEL OBJETIVO (7) CON RELACION A UNA POSICION NEUTRA; Y DE MEDIOS DE CORRECCION AUTOMATICA QUE CORRIGEN CONTINUA Y AUTOMATICAMENTE LA POSICION ANGULAR NEUTRA DEL EJE OPTICO DURANTE EL REGISTRO O LA LECTURA DE LAS PISTAS.
ES517187A 1981-11-10 1982-11-08 Un aparato electro-optico para registrar y-o leer pistas de registro en una superficie reflectora de registro de un disco optico. Expired ES8308127A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8105072A NL8105072A (nl) 1981-11-10 1981-11-10 Electro-optische inrichting.

Publications (2)

Publication Number Publication Date
ES517187A0 ES517187A0 (es) 1983-08-01
ES8308127A1 true ES8308127A1 (es) 1983-08-01

Family

ID=19838343

Family Applications (1)

Application Number Title Priority Date Filing Date
ES517187A Expired ES8308127A1 (es) 1981-11-10 1982-11-08 Un aparato electro-optico para registrar y-o leer pistas de registro en una superficie reflectora de registro de un disco optico.

Country Status (12)

Country Link
US (1) US4773055A (es)
EP (1) EP0079109B1 (es)
JP (1) JPS5888841A (es)
KR (1) KR890000199B1 (es)
AT (1) ATE25302T1 (es)
AU (1) AU9024582A (es)
CA (1) CA1187606A (es)
DD (1) DD208698A5 (es)
DE (1) DE3275331D1 (es)
ES (1) ES8308127A1 (es)
HK (1) HK58488A (es)
NL (1) NL8105072A (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS609018U (ja) * 1983-06-24 1985-01-22 パイオニア株式会社 光学式記録情報読取装置
JPS6020326A (ja) * 1983-07-14 1985-02-01 Olympus Optical Co Ltd 光学的記録装置
AU575332B2 (en) * 1983-07-29 1988-07-28 Sony Corporation Optical disk pick-up
JPS60143448A (ja) * 1983-12-29 1985-07-29 Sony Corp スキユ−エラ−検出回路
US4773052A (en) * 1984-09-20 1988-09-20 Pioneer Electronic Corporation Dual mode disk player/recorder
US4956833A (en) * 1986-03-31 1990-09-11 Asahi Kogaku Kogyo Kabushiki Kaisha Objective driving device for an optical disk apparatus
JPH06101125B2 (ja) * 1986-05-21 1994-12-12 キヤノン株式会社 光学的情報記録再生装置
US4855982A (en) * 1987-05-18 1989-08-08 Eastman Kodak Company Lens position-sensing apparatus for optical recording system
US5073881A (en) * 1987-06-24 1991-12-17 Matsushita Electric Industrial Co., Ltd. Optical disc apparatus with rapid and stable accessing capability
NL8701526A (nl) * 1987-06-30 1989-01-16 Philips Nv Inrichting voor het optisch aftasten van een roterende plaat.
US5138593A (en) * 1987-08-18 1992-08-11 Yamaha Corporation Vibration control for an optical pickup actuator driving device
JPH03100935A (ja) * 1989-09-12 1991-04-25 Hitachi Ltd 光ピツクアツプの防塵装置
JP2804118B2 (ja) * 1989-10-03 1998-09-24 株式会社東芝 トラッキング制御装置
JPH04103036A (ja) * 1990-08-23 1992-04-06 Toshiba Corp 情報処理装置
JPH04245034A (ja) * 1991-01-31 1992-09-01 Toshiba Corp 光学ヘッド装置
DE4103854A1 (de) * 1991-02-08 1992-08-27 Thomson Brandt Gmbh Optische abtastvorrichtung
US5446712A (en) * 1991-04-22 1995-08-29 Seiko Epson Corporation Optical system having a precision angular displacement mechanism including a flat metal spring
US5566152A (en) * 1992-10-21 1996-10-15 Matsushita Electric Industrial Co., Ltd. Tracking control system with correction capabilities for correcting disagreement between optical axes
DE4306248A1 (de) * 1993-03-01 1994-09-08 Thomson Brandt Gmbh Kompensierende Aktuatorsteuerung
US5517474A (en) * 1993-03-02 1996-05-14 Matsushita Electric Industrial Co., Ltd. Tracking controller for correcting a tracking error offset
CN1067792C (zh) * 1994-12-05 2001-06-27 皇家菲利浦电子有限公司 对信息表面进行光学扫描的光学组件以及含有该光学组件的光学扫描装置
US5995269A (en) * 1996-10-09 1999-11-30 U.S. Philips Corporation Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit
US6151174A (en) * 1997-10-06 2000-11-21 U.S. Philips Corporation Device for optically scanning a record carrier
US6134058A (en) * 1998-07-03 2000-10-17 Matsushita Electric Industrial Co., Ltd. Object lens driving device
GB2344188A (en) * 1998-11-26 2000-05-31 Marconi Electronic Syst Ltd Force decoupler system for mirror on flexible mount
US6199028B1 (en) 1999-02-04 2001-03-06 The United States Of America As Represented By The Secretary Of The Air Force Detector for human loss of tracking control
JP2003077156A (ja) * 2001-06-20 2003-03-14 Mitsubishi Electric Corp 光ヘッド装置
JP4855517B2 (ja) * 2007-04-13 2012-01-18 パナソニック株式会社 チルト制御方法、集積回路、および光ディスク装置
CN102122074B (zh) * 2010-01-08 2013-10-09 鸿富锦精密工业（深圳）有限公司 立体显示装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE594066C (de) * 1932-04-09 1934-03-09 Expl Des Brevets A G I Sa S E Fassung fuer Objektive mit veraenderlicher Brennweite
US3885131A (en) * 1973-04-13 1975-05-20 Dynell Elec Air-bearing data transfer system
US4003059A (en) * 1974-02-07 1977-01-11 Canon Kabushiki Kaisha Optical recorder having focus controlling means
US3915560A (en) * 1974-03-01 1975-10-28 Geometric Data Corp Fine focus assembly
NL182257C (nl) * 1974-12-23 1988-02-01 Philips Nv Inrichting voor het uitlezen van een vlakke reflekterende registratiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur.
NL164689C (nl) * 1975-03-10 1981-01-15 Philips Nv Optische focusseerinrichting voor het focusseren van een stralingsbundel.
JPS5953612B2 (ja) * 1975-11-19 1984-12-26 カブシキガイシヤ フジテレビジヨン コウデンシキサイセイホウホウ
NL176315C (nl) * 1976-05-12 1985-03-18 Philips Nv Optische aftastinrichting.
NL7703232A (nl) * 1977-03-25 1978-09-27 Philips Nv Optische aftastinrichting.
JPS5690435A (en) * 1979-12-20 1981-07-22 Pioneer Video Corp Recorded information reader
DE3002736C2 (de) * 1980-01-25 1982-08-12 Polygram Gmbh, 2000 Hamburg Anordnung zur Messung der vertikalen Verformung von Informationsträgern
NL8004969A (nl) * 1980-09-02 1982-04-01 Philips Nv Inrichting voor optische scherpstelling.
NL8104589A (nl) * 1981-10-08 1983-05-02 Philips Nv Optische aftasteenheid.

Also Published As

Publication number Publication date
EP0079109A1 (en) 1983-05-18
AU9024582A (en) 1983-05-19
HK58488A (en) 1988-08-12
JPS5888841A (ja) 1983-05-27
CA1187606A (en) 1985-05-21
DD208698A5 (de) 1984-04-04
ES517187A0 (es) 1983-08-01
DE3275331D1 (en) 1987-03-05
NL8105072A (nl) 1983-06-01
ATE25302T1 (de) 1987-02-15
US4773055A (en) 1988-09-20
KR890000199B1 (ko) 1989-03-10
EP0079109B1 (en) 1987-01-28
KR840002525A (ko) 1984-07-02

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