Patents by Inventor Andrew Freeston

Andrew Freeston 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).

  • Scalable N×M, RF switching matrix architecture
    Patent number: 6677688
    Abstract: A scalable N×M switching matrix architecture is characterized by a readily calculable number of crossover locations and comprises one or more single pole, N throw (“SPNT”) switches and, for each such switch, an N state impedance converter/amplitude compensation network.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: January 13, 2004
    Assignee: Tyco Electronics Corporation
    Inventors: Andrew Freeston, Paul Schwab
  • Scalable N x M, RF switching matrix architecture
    Publication number: 20020063475
    Abstract: A scalable N×M switching matrix architecture is characterized by a readily calculable number of crossover locations and comprises one or more single pole, N throw (“SPNT”) switches and, for each such switch, an N state impedance converter/amplitude compensation network.
    Type: Application
    Filed: May 17, 2001
    Publication date: May 30, 2002
    Inventors: Andrew Freeston, paul Schwab