Patents by Inventor John M. Stronks

John M. Stronks 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).

  • Multichannel transmitter combiners employing cavities having low output impedance
    Patent number: 5440281
    Abstract: A multichannel combiner includes a plurality of input ports for connection to associated transmitters, narrow bandpass filters associated with each port, and an output port for connection to an antenna system. The output impedance of the filters is selected to be substantially lower than that used in conventional combiners, such that undesired reactance produced in the combiner over its operating range is much reduced. The combiner further includes an impedance transformer to match the low output impedance of the filters to the design impedance of the antenna system.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: August 8, 1995
    Assignee: Allen Telecom Group, Inc.
    Inventors: Chia-Sam Wey, John M. Stronks, Erik W. Lilieholm