TREA

Picture changing devices

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Industry

  • CPC
  • G03B23/046
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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 G03B23/00Devices for changing pictures in viewing apparatus or projectors

Current Industry

G03B23/046Picture changing devices
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual image slide and/or video projector
    • Patent number 6,776,490
    • Issue date Aug 17, 2004
    • Kevin James Soper
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Device for moving a slide into a slide gate and for receiving a len...
    • Patent number 5,302,984
    • Issue date Apr 12, 1994
    • Eastman Kodak Company
    • Uwe Kohle
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Slide changing apparatus with slide jam protection
    • Patent number 4,933,690
    • Issue date Jun 12, 1990
    • Eastman Kodak
    • Jude A. Sangregory
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Slide transfer and shutter control arrangement for slide projector
    • Patent number 4,429,963
    • Issue date Feb 7, 1984
    • Bell & Howell Company
    • Nicholas Mischenko
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Slide projector
    • Patent number 4,385,815
    • Issue date May 31, 1983
    • AGFA-Gevaert A.G.
    • Jurgen Sylla
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Diaprojector
    • Patent number 4,382,663
    • Issue date May 10, 1983
    • Agfa-Gevaert Aktiengesellschaft
    • Karl Neudecker
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Device for moving slides vertically in projectors
    • Patent number 3,936,169
    • Issue date Feb 3, 1976
    • Braun Aktiengesellschaft
    • Karlheinz Barowski
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3926514
    • Patent number 3,926,514
    • Issue date Dec 16, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3883239
    • Patent number 3,883,239
    • Issue date May 13, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3881814
    • Patent number 3,881,814
    • Issue date May 6, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3869819
    • Patent number 3,869,819
    • Issue date Mar 11, 1975
    • G02 - OPTICS
  • Information Patent Grant

    3847473
    • Patent number 3,847,473
    • Issue date Nov 12, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3809469
    • Patent number 3,809,469
    • Issue date May 7, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3805970
    • Patent number 3,805,970
    • Issue date Apr 23, 1974
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3782816
    • Patent number 3,782,816
    • Issue date Jan 1, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3773413
    • Patent number 3,773,413
    • Issue date Nov 20, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3773414
    • Patent number 3,773,414
    • Issue date Nov 20, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3759487
    • Patent number 3,759,487
    • Issue date Sep 18, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3721494
    • Patent number 3,721,494
    • Issue date Mar 20, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3690186
    • Patent number 3,690,186
    • Issue date Sep 12, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3659934
    • Patent number 3,659,934
    • Issue date May 2, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3656846
    • Patent number 3,656,846
    • Issue date Apr 18, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3644029
    • Patent number 3,644,029
    • Issue date Feb 22, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3644028
    • Patent number 3,644,028
    • Issue date Feb 22, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3600078
    • Patent number 3,600,078
    • Issue date Aug 17, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3594078
    • Patent number 3,594,078
    • Issue date Jul 20, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3580096
    • Patent number 3,580,096
    • Issue date May 25, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3574454
    • Patent number 3,574,454
    • Issue date Apr 13, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3572920
    • Patent number 3,572,920
    • Issue date Mar 30, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3535034
    • Patent number 3,535,034
    • Issue date Oct 20, 1970
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents