TREA

Barrel shutters

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Industry

  • CPC
  • G03B9/52
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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

G03B9/52Barrel shutters
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Linear reflex shutter for slr cameras
    • Patent number 4,750,012
    • Issue date Jun 7, 1988
    • Photo-Control Corporation
    • Jerome W. Lindenfelser
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reflex shutter
    • Patent number 4,319,819
    • Issue date Mar 16, 1982
    • Photo Control Corporation
    • Jerome W. Lindenfelser
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Mirror-shutter device in single-lens reflex camera
    • Patent number 4,253,754
    • Issue date Mar 3, 1981
    • Mamiya Koki Kabushiki Kaisha
    • Satoshi Ishihara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3712202
    • Patent number 3,712,202
    • Issue date Jan 23, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2938442
    • Patent number 2,938,442
    • Issue date May 31, 1960
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2835178
    • Patent number 2,835,178
    • Issue date May 20, 1958
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1720744
    • Patent number 1,720,744
    • Issue date Jul 16, 1929
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents