Patents by Inventor Cornelius Frederik du Toit

Cornelius Frederik du Toit 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).

  • Dynamic multi-beam antenna using dielectrically tunable phase shifters
    Patent number: 6801160
    Abstract: An electronic scanning antenna system configured for beam scanning operation includes a plurality of antenna modules, each respective antenna module including: (a) a plurality of antenna elements arranged in a plurality of element sets, the plurality of element sets being arranged in a plurality of columns; (b) a plurality of beam forming network devices coupled with the plurality of antenna elements, each respective beam forming network device including at least one tunable dielectric phase shifter unit; and (c) at least one control unit coupled with the plurality of beam forming network devices, each control unit controlling the plurality of beam forming network devices to configure signals to operate the plurality of antenna elements to effect the beam scanning operation.
    Type: Grant
    Filed: August 23, 2002
    Date of Patent: October 5, 2004
    Inventors: Herbert Jefferson Henderson, Vincent G. Karasack, Cornelius Frederik du Toit