JPS56501781A - - Google Patents

Info

Publication number
JPS56501781A
JPS56501781A JP50013181A JP50013181A JPS56501781A JP S56501781 A JPS56501781 A JP S56501781A JP 50013181 A JP50013181 A JP 50013181A JP 50013181 A JP50013181 A JP 50013181A JP S56501781 A JPS56501781 A JP S56501781A
Authority
JP
Japan
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.)
Pending
Application number
JP50013181A
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 filed Critical
Publication of JPS56501781A publication Critical patent/JPS56501781A/ja
Pending 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • G11B7/0032—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent for moving-picture soundtracks, i.e. cinema
    • 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
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • 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
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP50013181A 1979-10-26 1980-10-24 Pending JPS56501781A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8847179A 1979-10-26 1979-10-26

Publications (1)

Publication Number Publication Date
JPS56501781A true JPS56501781A (ja) 1981-12-03

Family

ID=22211578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50013181A Pending JPS56501781A (ja) 1979-10-26 1980-10-24

Country Status (5)

Country Link
EP (1) EP0039725B1 (ja)
JP (1) JPS56501781A (ja)
DE (1) DE3068894D1 (ja)
NL (1) NL8020445A (ja)
WO (1) WO1981001217A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835380A (en) * 1987-06-11 1989-05-30 U. S. Philips Corporation Scanning device for an optical recording and/or reproducing apparatus
FR2616951B1 (fr) * 1987-06-19 1989-09-15 Comp Generale Electricite Dispositif de lecture et/ou ecriture d'une bande auxiliaire d'un film cinematographique, notamment d'une bande son, et tete d'eclairage pour ce dispositif
FR2657190B1 (fr) * 1990-01-18 1995-07-21 Thomson Csf Dispositif de lecture de segments oblongs d'un support en defilement.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1260337A (en) * 1913-05-06 1918-03-26 Richard M Craig Phonographic attachment for moving-picture machines.
US2031971A (en) * 1933-11-10 1936-02-25 William J Morrissey Light concentrate method and means
US2244733A (en) * 1937-07-28 1941-06-10 Klangfilm Gmbh Sound recording apparatus
US2595701A (en) * 1948-12-31 1952-05-06 Bell Telephone Labor Inc Recording system
US2678254A (en) * 1949-12-16 1954-05-11 Schenck James Coding and recording system
US3001030A (en) * 1958-12-11 1961-09-19 Kalart Co Inc Sound reproducer for reproducing sound from a sound track area on film
US3359376A (en) * 1963-12-06 1967-12-19 Eastman Kodak Co Optical high-fidelity player arrangement

Also Published As

Publication number Publication date
DE3068894D1 (en) 1984-09-13
WO1981001217A1 (en) 1981-04-30
NL8020445A (ja) 1981-09-01
EP0039725A1 (en) 1981-11-18
EP0039725B1 (en) 1984-08-08
EP0039725A4 (en) 1982-02-16

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