DE3484770D1 - Verfahren zur optischen aufzeichnung - Google Patents

Verfahren zur optischen aufzeichnung

Info

Publication number
DE3484770D1
DE3484770D1 DE8484308400T DE3484770T DE3484770D1 DE 3484770 D1 DE3484770 D1 DE 3484770D1 DE 8484308400 T DE8484308400 T DE 8484308400T DE 3484770 T DE3484770 T DE 3484770T DE 3484770 D1 DE3484770 D1 DE 3484770D1
Authority
DE
Germany
Prior art keywords
optical recording
recording
optical
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
DE8484308400T
Other languages
English (en)
Inventor
Johannes Jacobus Verboom
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
Laser Magnetic Storage International Inc
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 Laser Magnetic Storage International Inc filed Critical Laser Magnetic Storage International Inc
Application granted granted Critical
Publication of DE3484770D1 publication Critical patent/DE3484770D1/de
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
    • 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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE8484308400T 1983-12-29 1984-12-04 Verfahren zur optischen aufzeichnung Expired - Lifetime DE3484770D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56692283A 1983-12-29 1983-12-29

Publications (1)

Publication Number Publication Date
DE3484770D1 true DE3484770D1 (de) 1991-08-08

Family

ID=24264974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484308400T Expired - Lifetime DE3484770D1 (de) 1983-12-29 1984-12-04 Verfahren zur optischen aufzeichnung

Country Status (5)

Country Link
EP (1) EP0147090B1 (de)
JP (1) JPS60231980A (de)
AU (1) AU575604B2 (de)
CA (1) CA1230419A (de)
DE (1) DE3484770D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3688669T2 (de) * 1985-10-08 1993-12-16 Sharp Kk Magnetooptische Speichervorrichtung.
NL8702903A (nl) * 1987-12-03 1989-07-03 Philips Nv Werkwijze en inrichting voor het optekenen van informatie op een registratiedrager, alsmede een inrichting voor het uitlezen van de opgetekende informatie.
NL8702905A (nl) * 1987-12-03 1989-07-03 Philips Nv Werkwijze en inrichting voor het optekenen van informatie, een registratiedrager, een inrichting voor het uitlezen van de opgetekende informatie, alsmede een codeer- en decodeerschakeling voor toepassing in de opteken- en uitleesinrichting.
US5296693A (en) * 1991-12-16 1994-03-22 Canon Kabushiki Kaisha Ink intrusion resistant digital code
JPH06325369A (ja) * 1993-03-08 1994-11-25 Philips Electron Nv 光学記録兼読取装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852687A (en) * 1973-07-02 1974-12-03 Ibm High rate digital modulation/demodulation method
US4323931A (en) * 1976-07-14 1982-04-06 Sperry Corporation Method and apparatus for encoding and recovering binary digital data
US4357634A (en) * 1979-10-01 1982-11-02 Chung David H Encoding and decoding digital information utilizing time intervals between pulses
NL8006165A (nl) * 1980-11-12 1982-06-01 Philips Nv Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem.
US4377805A (en) * 1981-04-20 1983-03-22 Emi Limited Magnetic recording
DE3416547C2 (de) * 1983-10-13 1994-10-06 Philips Nv Aufzeichnungsträger mit Symbolen mit einer vorgegebenen Anzahl von Symbolstellen und optische Aufzeichnungsvorrichtung

Also Published As

Publication number Publication date
EP0147090A3 (en) 1987-10-07
CA1230419A (en) 1987-12-15
AU3661884A (en) 1985-12-05
EP0147090A2 (de) 1985-07-03
AU575604B2 (en) 1988-08-04
JPH0552590B2 (de) 1993-08-05
EP0147090B1 (de) 1991-07-03
JPS60231980A (ja) 1985-11-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN, EINDHOVEN, NL

8328 Change in the person/name/address of the agent

Free format text: LAUE, H., DIPL.-ING., PAT.-ASS., 26160 BAD ZWISCHENAHN

8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee