Patents by Inventor Anne P. Davies-Walsh

Anne P. Davies-Walsh 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).

  • Patent number: 5347542
    Abstract: In a system where 2-level modulation and 4-level modulation of communication signals exist, an apparatus (107) demodulates either modulation scheme by demodulating (301) a received signal under the presumption that it is a 4-level signal, and if the received signal is detected (309) to be a 2-level signal, the signal is then demodulated (319) as a 2-level signal.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: September 13, 1994
    Assignee: Motorola, Inc.
    Inventors: Christopher N. Kurby, Donald R. Beyer, Anne P. Davies-Walsh, Kevin L. Fluharty, Matthew R. Miller