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in mirror-reflex cameras

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  • CPC
  • G03B7/09971
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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 G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly

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G03B7/09971in mirror-reflex cameras
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Patents Grantslast 30 patents

  • Information Patent Grant

    Imaging apparatus capable of generating an image with a weight of a...
    • Patent number 9,921,454
    • Issue date Mar 20, 2018
    • Canon Kabushiki Kaisha
    • Hiroshi Kudo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Drive mechanism for movable mirror of camera
    • Patent number 9,341,926
    • Issue date May 17, 2016
    • Ricoh Imaging Company, Ltd.
    • Shinichiro Sanada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image capture apparatus and control method thereof
    • Patent number 7,684,691
    • Issue date Mar 23, 2010
    • Canon Kabushiki Kaisha
    • Tatsuyuki Tokunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Device for exposure metering
    • Patent number 5,907,727
    • Issue date May 25, 1999
    • Leica Camera AG
    • Walter Bletz
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Incident light filter for cameras
    • Patent number 4,381,890
    • Issue date May 3, 1983
    • George A. Wallace
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Exposure measuring apparatus for photographic cameras
    • Patent number 4,172,643
    • Issue date Oct 30, 1979
    • VEB Pentacon Dresden Kamera-und Kinowerke
    • Wolfgang Schulz
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Exposure control device for camera
    • Patent number 4,131,350
    • Issue date Dec 26, 1978
    • Canon Kabushiki Kaisha
    • Takashi Uchiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3730063
    • Patent number 3,730,063
    • Issue date May 1, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3563150
    • Patent number 3,563,150
    • Issue date Feb 16, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3476028
    • Patent number 3,476,028
    • Issue date Nov 4, 1969
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3417684
    • Patent number 3,417,684
    • Issue date Dec 24, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents