Patents by Inventor Mark H. Alspaugh

Mark H. Alspaugh 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).

  • Feed network scanning antenna employing rotating directional coupler
    Patent number: 4241352
    Abstract: A method and system for beam steering of a spatially fixed microwave antenna array. The phase of radiating elements and hence the beam position is established by the relative positions of a microwave disc or scan network having concentric microstrip paths thereon and a mechanically driven rotating directional coupler. The directional coupler is the single point feed for the antenna array.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: December 23, 1980
    Assignee: Ball Brothers Research Corporation
    Inventors: Mark H. Alspaugh, Lawrence R. Murphy