Patents by Inventor Ambroise Le Rest

Ambroise Le Rest 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).

  • Generator of encoding or decoding 8-bit bytes which can be used in a video system
    Patent number: 4543559
    Abstract: The generator comprises three subassemblies, each comprising an adder and registers, said three subassemblies making it possible to provide three recursive sequences. Each sequence is dependent on variables constituted by initialization bytes. One state of the generator is defined by a particular combination of three sequences and each state determines an output variable, which is the desired coding or decoding byte.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: September 24, 1985
    Inventors: Louis C. Guillou, Raymond Le Bris, Ambroise Le Rest