ES2168529T3 - Procedimiento de registro/lectura de datos. - Google Patents

Procedimiento de registro/lectura de datos.

Info

Publication number
ES2168529T3
ES2168529T3 ES97101285T ES97101285T ES2168529T3 ES 2168529 T3 ES2168529 T3 ES 2168529T3 ES 97101285 T ES97101285 T ES 97101285T ES 97101285 T ES97101285 T ES 97101285T ES 2168529 T3 ES2168529 T3 ES 2168529T3
Authority
ES
Spain
Prior art keywords
data
recording
recorded
recording power
standardized
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 - Lifetime
Application number
ES97101285T
Other languages
English (en)
Inventor
Hiroko Iwasaki
Yukio Ide
Yoshiyuki Kageyama
Makoto Harigaya
Michiharu Abe
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27467090&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2168529(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of ES2168529T3 publication Critical patent/ES2168529T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/006—Overwriting
    • G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • 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
    • G11B20/1816—Testing
    • 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
    • G11B7/0045—Recording
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1267—Power calibration
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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
    • G11B7/006—Overwriting

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Digital Magnetic Recording (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Head (AREA)
  • Recording Measured Values (AREA)

Abstract

LA INVENCION SE REFIERE A UN METODO DE GRABACION/REGENERACION DE DATOS EN EL CUAL, IRRADIANDO UNA ONDA ELECTROMAGNETICA HACIA EL MEDIO DE GRABACION DE DATOS PARA GENERAR UN CAMBIO DE FASE EN LA CAPA DE GRABACION, LOS DATOS SON GRABADOS Y REGENERADOS A PARTIR DEL MEDIO DE GRABACION DE DATOS, Y TAMBIEN EN EL CUAL ES POSIBLE LA REESCRITURA DE DATOS; EN DONDE LOS DATOS SON GRABADOS PARA SU COMPROBACION EN UN MODELO QUE CONSISTA DE UNA SECCION NO GRABADA Y DE UNA SECCION GRABADA MEDIANTE EL CAMBIO DE LA POTENCIA DE GRABACION EN EL MEDIO DE GRABACION DE DATOS DE CUANDO EN CUANDO, UNA AMPLITUD DE LA SEÑA GRABADA QUE SE CORRESPONDE CON LA POTENCIA DE GRABACION ES MONITORIZADA REGENERANDO LOS DATOS GRABADOS PARA SU COMPROBACION; SE CALCULA UNA GRABACION ESTANDARIZADA Y SE DECIDE UNA POTENCIA DE GRABACION OPTIMA Y SE AJUSTA EVALUANDO EL EXCESO O LA FALTA DE POTENCIA DE GRABACION DE ACUERDO CON LA GRADUACION ESTANDARIZADA.
ES97101285T 1995-04-14 1996-04-12 Procedimiento de registro/lectura de datos. Expired - Lifetime ES2168529T3 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8946495 1995-04-14
JP20102195 1995-08-07
JP23254795 1995-09-11
JP08085307A JP3124720B2 (ja) 1995-04-14 1996-04-08 情報記録再生方法、情報記録再生装置及び情報記録媒体

Publications (1)

Publication Number Publication Date
ES2168529T3 true ES2168529T3 (es) 2002-06-16

Family

ID=27467090

Family Applications (3)

Application Number Title Priority Date Filing Date
ES97101285T Expired - Lifetime ES2168529T3 (es) 1995-04-14 1996-04-12 Procedimiento de registro/lectura de datos.
ES96105794T Expired - Lifetime ES2194938T3 (es) 1995-04-14 1996-04-12 Metodo de grabacion/regeneracion de datos, aparato de grabacion/regeneracion de datos, y soporte de grabacion de datos.
ES06119244T Expired - Lifetime ES2387500T3 (es) 1995-04-14 1996-04-12 Procedimiento de grabación/regeneración de datos, aparato de grabación/regeneración de datos y medio de grabación de datos

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES96105794T Expired - Lifetime ES2194938T3 (es) 1995-04-14 1996-04-12 Metodo de grabacion/regeneracion de datos, aparato de grabacion/regeneracion de datos, y soporte de grabacion de datos.
ES06119244T Expired - Lifetime ES2387500T3 (es) 1995-04-14 1996-04-12 Procedimiento de grabación/regeneración de datos, aparato de grabación/regeneración de datos y medio de grabación de datos

Country Status (5)

Country Link
US (2) US5761179A (es)
EP (4) EP1271488B1 (es)
JP (1) JP3124720B2 (es)
DE (3) DE69628499T2 (es)
ES (3) ES2168529T3 (es)

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Also Published As

Publication number Publication date
DE69628499T2 (de) 2004-05-19
DE69617372T2 (de) 2002-09-26
ES2194938T3 (es) 2003-12-01
EP0737962B1 (en) 2003-06-04
ES2387500T3 (es) 2012-09-25
EP0778565B1 (en) 2001-11-28
EP0737962A2 (en) 1996-10-16
US5740149A (en) 1998-04-14
EP1271488A3 (en) 2003-04-16
EP1271488B1 (en) 2010-09-29
EP0778565A1 (en) 1997-06-11
EP1739661A2 (en) 2007-01-03
EP1739661B1 (en) 2012-05-02
DE69617372D1 (de) 2002-01-10
DE69628499D1 (de) 2003-07-10
JPH09138947A (ja) 1997-05-27
DE69638266D1 (de) 2010-11-11
EP1271488A2 (en) 2003-01-02
EP0737962A3 (en) 1997-04-23
JP3124720B2 (ja) 2001-01-15
EP1739661A3 (en) 2008-12-31
US5761179A (en) 1998-06-02

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