Patents by Inventor Graham William Cradock

Graham William Cradock 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).

  • Method and apparatus for differentially decoding signals
    Patent number: 5815099
    Abstract: The present invention relates to a method and apparatus in which a differentially coded signal having forward error correction added to the encoded data can be decoded with an improved bit error rate performanceApparatus for decoding a differentially encoded input signal having forward error correction added to the encoded data, the apparatus comprising: a differential decoder to receive the input signal and to decode the data in each differentially encoded signal interval thereof by reference to the data in a previous differentially encoded signal interval; error correcting means to correct errors in the decoded signal form the decoder; and means for supplying to the decoder the corrected data from each signal interval to act as a reference for decoding the data in a following signal interval.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: September 29, 1998
    Assignee: Digi-Media Vision Ltd.
    Inventors: Jeff Gledhill, Santosh Anikhindi, Graham William Cradock