Patents by Inventor Graham Malcolm Alexander Barber

Graham Malcolm Alexander Barber 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 resolution film scanner
    Patent number: 5644356
    Abstract: A film scanner scans a frame of film three times by reciprocating a clapper gate assembly (160) holding the film (50) past a solid state line array sensor (210). Successive scans are in an opposite sense to the previous scan and R,G,B filter wheel (40) is placed in the optical path and advanced for each scan so that separate high resolution R,G and B scan are produced which can be combined to form a high resolution video signal.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: July 1, 1997
    Assignee: Rank Cintel Limited
    Inventors: Peter Richard Swinson, Graham Malcolm Alexander Barber