TREA

for altering frame speed for regulating constancy of film speed

Follow

Industry

  • CPC
  • G03B21/48
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 G03B21/00Projectors or projection-type viewers Accessories therefor

Current Industry

G03B21/48for altering frame speed for regulating constancy of film speed
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Film web motion control system
    • Patent number 6,068,206
    • Issue date May 30, 2000
    • Eastman Kodak Company
    • Kenneth Alan Lindsay
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Switchable format film projection system
    • Patent number 6,019,473
    • Issue date Feb 1, 2000
    • MaxiVision Cinema Technology
    • Dean K. Goodhill
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Switchable pulldown film projection system
    • Patent number 5,946,076
    • Issue date Aug 31, 1999
    • MaxiVision Cinema Technology
    • Dean K. Goodhill
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for exhibiting cinematic images photographed at two differen...
    • Patent number 5,739,894
    • Issue date Apr 14, 1998
    • Robert C. Weisgerber
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for imparting both high-impact cinematic images and conventi...
    • Patent number 5,627,614
    • Issue date May 6, 1997
    • Robert C. Weisgerber
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Audio data readout device for motion picture film and clock generat...
    • Patent number 5,608,473
    • Issue date Mar 4, 1997
    • Sony Corporation
    • Katsuichi Tachi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film transport device
    • Patent number 5,175,573
    • Issue date Dec 29, 1992
    • Arnold & Richter Cine Technik GmbH & Co. Betriebs KG
    • Otto Blaschek
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Control and regulating device for film transport in a film projector
    • Patent number 5,106,185
    • Issue date Apr 21, 1992
    • Arnold & Richter Cine Technik GmbH & Co.
    • Otto Blaschek
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for transitioning between two different frame rates during a...
    • Patent number 5,096,286
    • Issue date Mar 17, 1992
    • Robert C. Weisgerber
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Torque transmitting apparatus
    • Patent number 4,918,361
    • Issue date Apr 17, 1990
    • Agfa-Gevaert Aktiengesellschaft
    • Volker Weinert
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Electronic projector
    • Patent number 4,697,896
    • Issue date Oct 6, 1987
    • Showscan Film Corporation
    • Charles Fox
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Telecine projector
    • Patent number 4,206,981
    • Issue date Jun 10, 1980
    • Sony Corporation
    • Yoshio Ozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motion picture projector system
    • Patent number 4,150,886
    • Issue date Apr 24, 1979
    • Airborne Mfg. Co.
    • Stephen L. Merkel
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Control mechanism for the pull-down pawl of a film projector
    • Patent number 4,094,595
    • Issue date Jun 13, 1978
    • Robert Bosch GmbH
    • Hans Lieckfeldt
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film drive for motion picture apparatus
    • Patent number 4,057,335
    • Issue date Nov 8, 1977
    • Robert Bosch GmbH
    • Herbert Leisring
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motion picture projection apparatus with film feeding speed changin...
    • Patent number 4,009,950
    • Issue date Mar 1, 1977
    • Canon Kabushiki Kaisha
    • Kuniyoshi Suzaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Shuttle speed control device
    • Patent number 3,992,305
    • Issue date Nov 16, 1976
    • Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
    • Yukio Katahira
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3888780
    • Patent number 3,888,780
    • Issue date Jun 10, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2301910
    • Patent number 2,301,910
    • Issue date Nov 10, 1942
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2174529
    • Patent number 2,174,529
    • Issue date Oct 3, 1939
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1944033
    • Patent number 1,944,033
    • Issue date Jan 16, 1934
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1749779
    • Patent number 1,749,779
    • Issue date Mar 11, 1930
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents