Patents by Inventor Russell Edward Fletcher

Russell Edward Fletcher 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).

  • Analogue to digital converters
    Patent number: 3967269
    Abstract: An analogue-to-digital converter of the parallel-series-parallel type has additional circuitry associated with the second quantization stage which accepts overflow caused by errors in the first quantization stage and generates a correction signal to correct the output of the first quantization stage.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: June 29, 1976
    Assignee: British Broadcasting Corporation
    Inventor: Russell Edward Fletcher