Patents by Inventor Charles L. Hilterbrick

Charles L. Hilterbrick 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: 6072994
    Abstract: A system that partitions or divides the functions of a radio into channels and divides the functions of each channel into two major functions: 1) antenna interface and power amplification; and 2) hardwired mixing, modulation/demodulation and signal processing and further partitions the mixing through signal processing functions into the functions of a) programmable analog mixing and b) programmable digital modulation/demodulation and signal processing. Control and user interface functions, if needed for a particular application can also be functionally partitioned.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: June 6, 2000
    Assignee: Northrop Grumman Corporation
    Inventors: William C. Phillips, Charles L. Hilterbrick, Ronald W. Minarik, Kenneth M. Schmidt, Michael V. Pascale, Robert S. Prill