TREA

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

Follow

Industry

  • CPC
  • G03B1/64
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

G03B1/64by means which as certain the radius of the film coiled on a spool
Industries

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