Patents by Inventor David Roger Koontz

David Roger Koontz 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).

  • Apparatus and method for use in disconnecting and/or replacing one of a plurality of power amplifiers in a transmitter while the transmitter is operating
    Patent number: 6294955
    Abstract: Apparatus and method are presented for use in disconnecting and/or replacing one of a plurality of M power amplifier modules in an RF transmitter while the transmitter is operating. Each amplifier module has first and second outputs that normally are connected across an associated one of M transformer primary windings. Also, M transformer secondary windings are provided with each associated with one of the primary windings. The secondary windings are connected together in series across a load. Each amplifier module has a control input for receiving a disable signal that disables the amplifier module. The apparatus for use in disconnecting and/or replacing includes a switch having a disable condition and an enable condition. A controller responds to the switch being in a disable condition for providing a disable signal.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: September 25, 2001
    Assignee: Harris Corporation
    Inventors: Ky Thoai Luu, David Roger Koontz