ES8505485A1 - Un aparato para leer un soporte de registro en forma de disco opticamente legible - Google Patents

Un aparato para leer un soporte de registro en forma de disco opticamente legible

Info

Publication number
ES8505485A1
ES8505485A1 ES535517A ES535517A ES8505485A1 ES 8505485 A1 ES8505485 A1 ES 8505485A1 ES 535517 A ES535517 A ES 535517A ES 535517 A ES535517 A ES 535517A ES 8505485 A1 ES8505485 A1 ES 8505485A1
Authority
ES
Spain
Prior art keywords
reading
record carrier
digital
optically readable
readable record
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
ES535517A
Other languages
English (en)
Other versions
ES535517A0 (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 ES8505485A1 publication Critical patent/ES8505485A1/es
Publication of ES535517A0 publication Critical patent/ES535517A0/es
Granted 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

PERFECCIONAMIENTOS EN UN APARATO PARA LEER UN SOPORTE DE REGISTRO EN FORMA DE DISCO OPTICAMENTE LEGIBLE.CONSISTENTES EN: UNA FRECUENCIA DE OSCILACION CONTROLADA POR UNA SEN/AL DE OCUPACION, DE TAL FORMA QUE LAS VARIACIONES DEL GRADO DE OCUPACION DEL REGISTRO INTERMEDIO SON CONTRARRESTADAS POR VARIACIONES DE LA FRECUENCIA DE LECTURA QUE ESTA DETERMINADA EN LA SEGUNDA SEN/AL DE SINCRONISMO; UN FILTRO PASA BAJOS QUE TIENE UN ANCHO DE BANDA MAYOR QUE LA FRECUENCIA DE VARIACIONES EN LA PRIMERA SEN/AL DE SINCRONISMO Y QUE APLICA LA SEN/AL DE OCUPACION AL OSCILADOR.
ES535517A 1983-09-02 1984-08-30 Un aparato para leer un soporte de registro en forma de disco opticamente legible Granted ES535517A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8303061A NL8303061A (nl) 1983-09-02 1983-09-02 Inrichting voor het uitlezen van een optisch uitleesbare registratiedrager.

Publications (2)

Publication Number Publication Date
ES8505485A1 true ES8505485A1 (es) 1985-05-16
ES535517A0 ES535517A0 (es) 1985-05-16

Family

ID=19842342

Family Applications (1)

Application Number Title Priority Date Filing Date
ES535517A Granted ES535517A0 (es) 1983-09-02 1984-08-30 Un aparato para leer un soporte de registro en forma de disco opticamente legible

Country Status (12)

Country Link
US (1) US4631714A (es)
EP (1) EP0143474B1 (es)
JP (1) JPS6074157A (es)
AT (1) ATE33079T1 (es)
CA (1) CA1235499A (es)
CS (1) CS275638B6 (es)
DD (1) DD224712A5 (es)
DE (1) DE3469969D1 (es)
ES (1) ES535517A0 (es)
HK (1) HK85191A (es)
NL (1) NL8303061A (es)
SG (1) SG51090G (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU594995B2 (en) * 1986-01-24 1990-03-22 Sony Corporation Data transmission method suitable for a disc
JP2590813B2 (ja) * 1986-02-18 1997-03-12 ソニー株式会社 データの記録方法
DE3619258A1 (de) * 1986-06-07 1987-12-10 Blaupunkt Werke Gmbh Compact disc (cd)-spieler
US4942551A (en) * 1988-06-24 1990-07-17 Wnm Ventures Inc. Method and apparatus for storing MIDI information in subcode packs
JP2840782B2 (ja) * 1990-03-07 1998-12-24 ソニー株式会社 ディスクプレーヤ
US5182740A (en) * 1990-09-20 1993-01-26 Hitachi, Ltd. Method and apparatus for correctly storing data recorded on a rotational disc-shaped recording medium despite occurrence of clock synchronization disorder
JPH04307468A (ja) * 1991-04-04 1992-10-29 Nikon Corp 情報再生装置及び情報記録装置
JP2902814B2 (ja) * 1991-06-17 1999-06-07 株式会社東芝 デジタルデータ処理装置
JP3084916B2 (ja) * 1992-03-31 2000-09-04 ソニー株式会社 ディスクプレーヤの再生データ処理回路
US5499252A (en) * 1992-11-20 1996-03-12 Sanyo Electric Co., Ltd. CD-ROM decoder having means for reading selected data from a CD into a memory
JP2920034B2 (ja) * 1992-12-28 1999-07-19 株式会社東芝 ディスク再生装置及び信号処理回路
DE69426636T2 (de) * 1993-08-14 2001-06-21 Toshiba Kawasaki Kk Wiedergabegerät und Signalverarbeitungskreis für Daten, die auf einer Platte aufgezeichnet sind
US5729515A (en) * 1994-05-26 1998-03-17 Kabushiki Kaisha Toshiba Disc data reproducing apparatus and signal processing circuit for reproducing and processing disc data having a plurality of type data
JP2891125B2 (ja) * 1994-11-24 1999-05-17 ティアック株式会社 光ディスク再生装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030759A1 (de) * 1980-08-14 1982-03-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur zeitfehlerbeseitigung bei der wiedergabe taktbehafteter signale, insbesondere bei einer digitaltonplatte
JPS5764371A (en) * 1980-09-30 1982-04-19 Toshiba Corp Rotation control system of disk recording medium
US4382299A (en) * 1980-11-07 1983-05-03 Rca Corporation Disc record system employing signal redundancy
JPS5837847A (ja) * 1981-08-31 1983-03-05 Sony Corp 光学式デイスク再生装置
JPS58139317A (ja) * 1982-02-15 1983-08-18 Sony Corp メモリ装置

Also Published As

Publication number Publication date
NL8303061A (nl) 1985-04-01
DE3469969D1 (en) 1988-04-21
JPS6074157A (ja) 1985-04-26
EP0143474A1 (en) 1985-06-05
DD224712A5 (de) 1985-07-10
CA1235499A (en) 1988-04-19
ES535517A0 (es) 1985-05-16
JPH0476192B2 (es) 1992-12-02
ATE33079T1 (de) 1988-04-15
HK85191A (en) 1991-11-08
EP0143474B1 (en) 1988-03-16
CS8406609A2 (en) 1990-11-14
CS275638B6 (en) 1992-03-18
SG51090G (en) 1990-08-31
US4631714A (en) 1986-12-23

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Legal Events

Date Code Title Description
PC1A Transfer granted
FD1A Patent lapsed

Effective date: 20040503