NL8020445A - - Google Patents

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Publication number
NL8020445A
NL8020445A NL8020445A NL8020445A NL8020445A NL 8020445 A NL8020445 A NL 8020445A NL 8020445 A NL8020445 A NL 8020445A NL 8020445 A NL8020445 A NL 8020445A NL 8020445 A NL8020445 A NL 8020445A
Authority
NL
Netherlands
Prior art keywords
mirror
visible light
ultraviolet
light
reflecting
Prior art date
Application number
NL8020445A
Other languages
English (en)
Dutch (nl)
Original Assignee
Peter Anderson Custer En George R. Bird Beiden Te Princeton, New Jersey, Ver. St. V. Am.
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 Peter Anderson Custer En George R. Bird Beiden Te Princeton, New Jersey, Ver. St. V. Am. filed Critical Peter Anderson Custer En George R. Bird Beiden Te Princeton, New Jersey, Ver. St. V. Am.
Publication of NL8020445A publication Critical patent/NL8020445A/nl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/002Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003Recording, 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/002Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003Recording, 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
    • G11B7/0032Recording, 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14Heads, 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)
NL8020445A 1979-10-26 1980-10-24 NL8020445A (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US8847179A 1979-10-26 1979-10-26
US8847179 1979-10-26
PCT/US1980/001426 WO1981001217A1 (en) 1979-10-26 1980-10-24 Fluorescent soundtrack readout system
US8001426 1980-10-24

Publications (1)

Publication Number Publication Date
NL8020445A true NL8020445A (de) 1981-09-01

Family

ID=22211578

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8020445A NL8020445A (de) 1979-10-26 1980-10-24

Country Status (5)

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

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
EP0039725B1 (de) 1984-08-08
WO1981001217A1 (en) 1981-04-30
DE3068894D1 (en) 1984-09-13
JPS56501781A (de) 1981-12-03
EP0039725A1 (de) 1981-11-18
EP0039725A4 (de) 1982-02-16

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