Patents by Inventor Geoffry H. Williamson

Geoffry H. Williamson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High speed transport for large film formats
    Patent number: 4896960
    Abstract: A transport and register movement for high speed motion picture cameras and projectors and having an oscillation axis about which a claw arm oscillates and shiftably carries a claw pin carrier that reciprocates radially from said oscillation axis, including crank and connecting rod drives for separately oscillating and reciprocating motions of the claw arm and claw pin carrier, and coordinated with register pin motion.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: January 30, 1990
    Inventor: Geoffry H. Williamson
  • Wide film transport and register movement
    Patent number: 4534630
    Abstract: A transport and register movement for motion picture cameras and projectors and having spaced transport arms with cam operated claw pins and a crank shaft and transmission between the arms to oscillate the same and with a laterally offset drive shaft and cam operated register pins and a crank pin oscillating a counterbalance in opposition to motion of the arms.
    Type: Grant
    Filed: January 31, 1984
    Date of Patent: August 13, 1985
    Assignee: Imax Systems Corporation
    Inventor: Geoffry H. Williamson