ES8308463A1 - Un aparato para explorar opticamente un portador de registro en forma de disco. - Google Patents

Un aparato para explorar opticamente un portador de registro en forma de disco.

Info

Publication number
ES8308463A1
ES8308463A1 ES517633A ES517633A ES8308463A1 ES 8308463 A1 ES8308463 A1 ES 8308463A1 ES 517633 A ES517633 A ES 517633A ES 517633 A ES517633 A ES 517633A ES 8308463 A1 ES8308463 A1 ES 8308463A1
Authority
ES
Spain
Prior art keywords
signal
detectors
signals supplied
disc
radial
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
ES517633A
Other languages
English (en)
Other versions
ES517633A0 (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 ES517633A0 publication Critical patent/ES517633A0/es
Publication of ES8308463A1 publication Critical patent/ES8308463A1/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
    • 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
    • G11B7/0901—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 for track following only

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

APARATO PARA EXPLORAR OPTICAMENTE UN PORTADOR DE REGISTRO EN FORMA DE DISCO, SOBRE EL QUE SE HA REGISTRADO INFORMACION EN FORMA DE PISTAS CONCENTRICAS O EN ESPIRAL. CONSTA DE UN SISTEMA OPTICO (1) CAPAZ DE PROYECTAR UN HAZ DE EXPLORACION SOBRE UN DISCO GIRATORIO (2), PUDIENDO SER MOVIDO RADIALMENTE DICHO SISTEMA OPTICO CON RELACION AL DISCO POR MEDIO DE UN TRANSDUCTOR (3); DE UN DETECTOR DE LECTURA (5) QUE RECIBE EL HAZ DE EXPLORACION A TRAVES DE UN ESPEJO SEMITRANSPARENTE (4), COMPRENDIENDO DICHO DETECTOR DE LECTURA DOS DETECTORES OPTICOS (5A, 5B) QUE ESTAN SITUADOS A AMBOS LADOS DEL CENTRO DE LA PISTA EXPLORADA, SOBRE EL DISCO GIRATORIO (2); DE DOS CIRCUITOS (6, 7) PARA EL TRATAMIENTO DE LAS SEÑALES SUMINISTRADAS POR LOS DOS DETECTORES (5A, 5B); Y DE CIRCUITOS SUMADORES (8, 10).
ES517633A 1981-11-26 1982-11-24 Un aparato para explorar opticamente un portador de registro en forma de disco. Expired ES8308463A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8105347A NL8105347A (nl) 1981-11-26 1981-11-26 Inrichting voor het optisch aftasten van een schijfvormige registratiedrager.

Publications (2)

Publication Number Publication Date
ES517633A0 ES517633A0 (es) 1983-08-16
ES8308463A1 true ES8308463A1 (es) 1983-08-16

Family

ID=19838451

Family Applications (1)

Application Number Title Priority Date Filing Date
ES517633A Expired ES8308463A1 (es) 1981-11-26 1982-11-24 Un aparato para explorar opticamente un portador de registro en forma de disco.

Country Status (13)

Country Link
US (1) US4471477A (es)
JP (1) JPS58100241A (es)
AU (1) AU551544B2 (es)
BE (1) BE895140A (es)
CA (1) CA1193724A (es)
DE (1) DE3242785A1 (es)
DK (1) DK159695C (es)
ES (1) ES8308463A1 (es)
FR (1) FR2517154A1 (es)
GB (1) GB2110434B (es)
HK (1) HK3086A (es)
IT (1) IT1153661B (es)
NL (1) NL8105347A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105346A (es) * 1981-11-26 1983-06-16
DE3324861C2 (de) * 1983-07-09 1986-02-13 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Lesevorrichtung zum optischen Abtasten von auf einem bewegten plattenförmigen Träger aufgezeichneten Informationen
DE3347879C2 (de) * 1983-07-09 1986-07-31 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Lesevorrichtung zum optischen Abtasten von auf einem beweglichen plattenförmigen Träger aufgezeichneten Informationen
JP2565485B2 (ja) * 1984-09-14 1996-12-18 オリンパス光学工業株式会社 光学的記録再生装置
DE3500671A1 (de) * 1985-01-11 1986-07-17 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Lesevorrichtung zum optischen abtasten von auf einem beweglichen plattenfoermigen traeger aufgezeichneten informationen
JPH064414Y2 (ja) * 1986-03-10 1994-02-02 パイオニア株式会社 トラツキング制御装置
JP2681933B2 (ja) * 1987-07-24 1997-11-26 松下電器産業株式会社 記録再生装置
DE3732941A1 (de) * 1987-09-30 1989-04-20 Thomson Brandt Gmbh Geraet zur wiedergabe von daten
US4967404A (en) * 1988-12-05 1990-10-30 Eastman Kodak Company Focus/tracking servo automatic gain control for optical recording
NL9200808A (nl) * 1992-05-06 1993-12-01 Philips Electronics Nv Optische schrijf- en/of leesinrichting.
JP3092756B2 (ja) * 1992-07-24 2000-09-25 ソニー株式会社 光デイスク装置
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
WO2005034105A2 (en) 2003-10-06 2005-04-14 Koninklijke Philips Electronics N.V. Optical disc drive and method for controlling the position of a lens
TWI292905B (en) * 2005-06-20 2008-01-21 Mediatek Inc Control circuit of optical storage device and method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7315419A (nl) * 1973-11-10 1975-05-13 Philips Nv Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.
US3932700A (en) * 1974-02-04 1976-01-13 Zenith Radio Corporation Focus tracking registration for optical reproducing systems
AR205839A1 (es) * 1974-09-30 1976-06-07 Mca Disco Vision Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video
NL182258C (nl) * 1976-01-28 1988-02-01 Philips Nv Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.
DE2724917A1 (de) * 1977-06-02 1978-12-14 Bosch Gmbh Robert Einrichtung und schaltungsanordnung zur spurabtastung einer videoplatte
US4337534A (en) * 1979-04-18 1982-06-29 Discovision Associates Solid state electro-optical track follower array
NL7904724A (nl) * 1979-06-18 1980-12-22 Philips Nv Optische aftastinrichting met fokusseerstelsel.
DE3038650C2 (de) * 1979-10-12 1983-05-19 Universal Pioneer Corp., Tokyo Vorrichtung zum Wiedergeben der von einer Videoplatte gelesenen Information
JPS6048809B2 (ja) * 1979-10-16 1985-10-29 パイオニアビデオ株式会社 情報読取装置におけるトラッキングサ−ボ引込装置

Also Published As

Publication number Publication date
DK159695C (da) 1991-04-15
ES517633A0 (es) 1983-08-16
GB2110434B (en) 1985-05-01
DE3242785A1 (de) 1983-06-01
DE3242785C2 (es) 1991-06-20
HK3086A (en) 1986-01-24
JPH0328738B2 (es) 1991-04-22
AU551544B2 (en) 1986-05-01
IT8224387A1 (it) 1984-05-23
IT8224387A0 (it) 1982-11-23
AU9080182A (en) 1983-06-02
DK159695B (da) 1990-11-19
CA1193724A (en) 1985-09-17
FR2517154A1 (fr) 1983-05-27
GB2110434A (en) 1983-06-15
BE895140A (fr) 1983-05-25
IT1153661B (it) 1987-01-14
US4471477A (en) 1984-09-11
JPS58100241A (ja) 1983-06-14
NL8105347A (nl) 1983-06-16
DK522082A (da) 1983-05-27
FR2517154B1 (es) 1984-12-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980202