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by means which as certain the radius of the film coiled on a spool

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  • CPC
  • G03B1/64
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GPHYSICS G03Photography G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR G03B1/00Film strip handling

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G03B1/64by means which as certain the radius of the film coiled on a spool
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reloadable canister with replaceable film spool
    • Patent number 5,809,358
    • Issue date Sep 15, 1998
    • Anacomp, Inc.
    • Frank D. Weber
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Roll film camera
    • Patent number 4,918,485
    • Issue date Apr 17, 1990
    • Minolta Camera Kabushiki Kaisha
    • Kenjiro Ishii
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film advance mechanism
    • Patent number 4,711,545
    • Issue date Dec 8, 1987
    • Ernst Leitz Wetzlar GmbH
    • Rolf Crema
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film-on-spool sensor for preventing initialization of frame counter
    • Patent number 4,653,886
    • Issue date Mar 31, 1987
    • Eastman Kodak Company
    • Stephen G. Malloy Desormeaux
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film feeding device
    • Patent number 4,435,056
    • Issue date Mar 6, 1984
    • Olympus Optical Co., Ltd.
    • Kowji Tanikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film feed detecting device of a camera
    • Patent number 4,310,233
    • Issue date Jan 12, 1982
    • Nippon Kogaku K.K.
    • Takeshi Okuyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film sensing apparatus
    • Patent number 4,040,043
    • Issue date Aug 2, 1977
    • AMF Incorporated
    • Arthur Stanford
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3802085
    • Patent number 3,802,085
    • Issue date Apr 9, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents