Patents by Inventor Coleman D. Collier

Coleman D. Collier 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).

  • Motor driven shunt for gamma match antenna
    Patent number: 5424751
    Abstract: The invention is to a gamma matching antenna in which a motor driven shunt is used to adjust the gamma match feed line. The shunt is movable along the antenna driven element and the gamma march rod on brushes or rollers that are in good electrical contact with the gamma rod and driven element, and allows the shunt to move along both element without binding. A control circuit moves the shunt in response to, and to minimize the SWR of the antenna.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: June 13, 1995
    Inventor: Coleman D. Collier