Patents by Inventor Mark P. Kahler

Mark P. Kahler 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).

  • Microstrip balun-antenna
    Patent number: 4847626
    Abstract: An balun/antenna apparatus is provided which is capable of being fabricated on a printed circuit board substrate by automated equipment. The balun-antenna includes a microstrip groundplane conductor which is split into two balanced ground arms at one end. The split groundplane conductor operates as both a balun and as a radiating conductor. A unique microstrip excitation structure is situated above the split ground elements on the opposed surface of the substrate to excite the antenna with radio frequency energy.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: July 11, 1989
    Assignee: Motorola, Inc.
    Inventors: Mark P. Kahler, Kazimierz Siwiak