Patents by Inventor Ralph A. Brown

Ralph A. Brown 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).

  • Antenna stabilization and enhancement by rotation of antenna feed
    Patent number: 4786912
    Abstract: An antenna system wherein the feed assembly is rotated to provide spatial polarization stabilization with respect to vehicle movement so that orthogonal polarizations can be used simultaneously.
    Type: Grant
    Filed: July 7, 1986
    Date of Patent: November 22, 1988
    Assignee: Unisys Corporation
    Inventors: Ralph A. Brown, Lowell N. Shestag
  • Radar reflector and scanner with electromagnetic programmable drive
    Patent number: 4656484
    Abstract: Elements of a radar antenna are provided with one or more electromagnetic actuators capable of moving the elements (scanner or parabolic reflector), independently of the support system in response to electrical signals applied to the coils of the electromagnetic actuators.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: April 7, 1987
    Assignee: Sperry Corporation
    Inventors: Ralph A. Brown, Gerald H. Piele
  • Quick-release hub
    Patent number: 3970262
    Abstract: A hub for mounting a reel of tape including means facilitating the rapid release of the reel. The hub comprises an internal structure including radially moveable elements having reel mounting surfaces surrounded by a flexible band which biases the elements in a radially inward direction. Means are provided for holding the elements in a first position to secure the reel on the mounting surfaces and selectively permitting the elements to assume a second position in response to the bias of the flexible band to release the reel.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: July 20, 1976
    Assignee: Sperry Rand Corporation
    Inventors: Ralph A. Brown, Wilford W. Snow