TREA

Single blind with multiple slots or other aperture

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  • CPC
  • G03B9/30
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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 G03B9/00Exposure-making shutters Diaphragms

Current Industry

G03B9/30Single blind with multiple slots or other aperture
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual motor reciprocating belt shutter
    • Patent number 6,336,752
    • Issue date Jan 8, 2002
    • Lockheed Martin Corporation
    • Harvey L. Balopole
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera shutter having bobbin driven blades
    • Patent number 4,415,251
    • Issue date Nov 15, 1983
    • Polaroid Corporation
    • Christian C. Petersen
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Shutter for photographic cameras
    • Patent number 4,041,513
    • Issue date Aug 9, 1977
    • Kondo; Toshihiro
    • Toshihiro Kondo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3673942
    • Patent number 3,673,942
    • Issue date Jul 4, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3232198
    • Patent number 3,232,198
    • Issue date Feb 1, 1966
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2970529
    • Patent number 2,970,529
    • Issue date Feb 7, 1961
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2944476
    • Patent number 2,944,476
    • Issue date Jul 12, 1960
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2931284
    • Patent number 2,931,284
    • Issue date Apr 5, 1960
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2924160
    • Patent number 2,924,160
    • Issue date Feb 9, 1960
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2321361
    • Patent number 2,321,361
    • Issue date Jun 8, 1943
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2149094
    • Patent number 2,149,094
    • Issue date Feb 28, 1939
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1427824
    • Patent number 1,427,824
    • Issue date Sep 5, 1922
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY