DE3382541D1 - Scheibenfoermiger aufzeichnungstraeger. - Google Patents

Scheibenfoermiger aufzeichnungstraeger.

Info

Publication number
DE3382541D1
DE3382541D1 DE8383300345T DE3382541T DE3382541D1 DE 3382541 D1 DE3382541 D1 DE 3382541D1 DE 8383300345 T DE8383300345 T DE 8383300345T DE 3382541 T DE3382541 T DE 3382541T DE 3382541 D1 DE3382541 D1 DE 3382541D1
Authority
DE
Germany
Prior art keywords
disk
record carrier
shaped record
shaped
carrier
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 - Fee Related
Application number
DE8383300345T
Other languages
English (en)
Inventor
William Joseph Stanis
Dorrel Robert Silvy
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.)
Control Data Corp
Original Assignee
Control Data Corp
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 Control Data Corp filed Critical Control Data Corp
Application granted granted Critical
Publication of DE3382541D1 publication Critical patent/DE3382541D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • 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
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
DE8383300345T 1982-03-19 1983-01-24 Scheibenfoermiger aufzeichnungstraeger. Expired - Fee Related DE3382541D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/359,642 US4456981A (en) 1982-03-19 1982-03-19 Modulation system for optical recording

Publications (1)

Publication Number Publication Date
DE3382541D1 true DE3382541D1 (de) 1992-05-14

Family

ID=23414710

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383300345T Expired - Fee Related DE3382541D1 (de) 1982-03-19 1983-01-24 Scheibenfoermiger aufzeichnungstraeger.

Country Status (6)

Country Link
US (1) US4456981A (de)
EP (1) EP0089734B1 (de)
JP (1) JPS58166551A (de)
AU (1) AU557937B2 (de)
CA (1) CA1188801A (de)
DE (1) DE3382541D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707816A (en) * 1985-03-29 1987-11-17 Hitachi, Ltd. Method and apparatus for composite wobbled and push-pull tracking servo system
US4748609A (en) * 1985-03-29 1988-05-31 Hitachi, Ltd. Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset
FR2581784B1 (fr) * 1985-05-10 1994-03-25 Thomson Alcatel Gigadisc Support d'information a pregravure et son dispositif de lecture optique
US4879708A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using wobbled pits
US4779253A (en) * 1985-07-30 1988-10-18 Laser Magnetic Storage International Company Sampled servo for an optical disk drive
US4959823A (en) * 1985-07-30 1990-09-25 Laser Magnetic Storage International Company Tracking and seeking system for use with an optical record carrier having a wobbled track format
CA1257391A (en) * 1985-07-30 1989-07-11 Kurt W. Getreuer Optical disk tracking and seeking systems and specific track formats (servo areas)
US4879707A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using discontinuities
US4864552A (en) * 1986-08-29 1989-09-05 Laser Magnetic Storage International Company Driving signal for coarse servo employing sampled offset signal
US5031166A (en) * 1988-01-25 1991-07-09 Laser Magnetic Storage International Company Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor
US5270991A (en) * 1990-06-29 1993-12-14 North American Philips Corporation Track format for use with an optical record carrier having a varying track pitch
JP3782398B2 (ja) * 2003-02-19 2006-06-07 株式会社東芝 光ディスク媒体および光ディスク記録装置及び再生装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795902A (en) * 1966-09-01 1974-03-05 Battelle Development Corp Method and apparatus for synchronizing photographic records of digital information
DE2522405C2 (de) * 1975-05-21 1982-04-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information
US4094013A (en) * 1975-05-22 1978-06-06 U.S. Philips Corporation Optical storage disk system with disk track guide sectors
NL187413C (nl) * 1978-03-16 1991-09-16 Philips Nv Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager.
NL7811003A (nl) * 1978-11-06 1980-05-08 Philips Nv Schijfvormige, optisch uitleesbare registratiedrager, als opslagmedium voor data-informatie.
JPS55113197A (en) * 1979-02-23 1980-09-01 Hitachi Ltd Optical memory unit
US4364118A (en) * 1979-06-25 1982-12-14 Hitachi, Ltd. Optical disk and optical information processor
JPS56148739A (en) * 1980-04-16 1981-11-18 Hitachi Ltd Optical information processing unit
JPS5622227A (en) * 1979-07-31 1981-03-02 Toshiba Corp Information recording system of optical disk
NL8000124A (nl) * 1980-01-09 1981-08-03 Philips Nv Inrichting voor het weergeven van digitaal gecodeerde informatie die op een optisch uitleesbare schijfvormige registratiedrager is aangebracht.
JPS57181429A (en) * 1981-05-01 1982-11-08 Toshiba Corp Optical disc device
JPS57208647A (en) * 1981-06-18 1982-12-21 Toshiba Corp Optical disk for recording of information
US4564929A (en) * 1981-11-25 1986-01-14 Hitachi, Ltd. Information recording and reproducing apparatus with tracking control by sampling

Also Published As

Publication number Publication date
EP0089734A2 (de) 1983-09-28
US4456981A (en) 1984-06-26
CA1188801A (en) 1985-06-11
EP0089734A3 (en) 1986-06-11
AU1094683A (en) 1983-09-22
EP0089734B1 (de) 1992-04-08
AU557937B2 (en) 1987-01-15
JPS58166551A (ja) 1983-10-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee