Patents by Inventor Paul H. Thibodeau

Paul H. Thibodeau 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: 4312064
    Abstract: A communication transmission system includes one or more modulated carrier communication channels in which a receiver has a modified vestigial side band filter for eliminating phase cancellation. Accurate design of the modified vestigial side band filters at the receivers, further reduces susceptibility to frequency drift caused by component aging and component response to environmental changes. The system has particular utility in multiple channel carrier telephone communication systems which utilize limited available band width for providing a maximum number of communication channels over an extended length communication line.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: January 19, 1982
    Assignee: The Anaconda Company
    Inventors: Stephen M. Bench, Paul H. Thibodeau, Guy M. Campbell, Theodore M. Stump