Patents by Inventor Guy R. Caplin

Guy R. Caplin 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).

  • Digital television standards conversion
    Patent number: 5255091
    Abstract: Film originating NTSC video signals are converted to the PAL standard by a process which detects and eliminates duplicate fields. Video frames corresponding one-for-one with the original film frames are line interpolated to provide a PAL signal with minimal artefacts. Edits are detected and steps taken to avoid interpolations across a cut.
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: October 19, 1993
    Assignee: Snell & Wilcox Limited
    Inventors: David Lyon, Guy R. Caplin