Patents by Inventor Dean T. Anderson

Dean T. Anderson 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).

  • Frequency division multiplex voice communication apparatus with hierarchy of stations
    Patent number: 4049914
    Abstract: A multiplexed signal transceiver for use with an existing audio frequency paging system wherein multiplexed RF signals are superimposed upon audio paging signals in the communication system. As disclosed, the transceiver, in addition to a normal party-line channel, has a semiprivate operating mode such that other party line substation transceivers can only listen to signals from master stations but not from other substations.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: September 20, 1977
    Assignee: Rockwell International Corporation
    Inventors: Dean T. Anderson, Joseph A. Vanous