Patents by Inventor Byung Ill Oh

Byung Ill Oh 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 system having a choke reflector for minimizing sideward radiation
    Patent number: 5710569
    Abstract: A antenna system of the present invention comprises a radiator for radiating a radio frequency, which is converted from electric power, and which has a impedance matching unit and a power divider; a first reflector for reflecting and filtering the radio frequency; and at least one second reflector for filtering the radio frequency radiated in the sideward direction of the antenna system, which is vertically attached to the first reflector, and is able to be moved in a horizontal direction.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: January 20, 1998
    Assignee: Ace Antenna Corporation
    Inventors: Jung Kun Oh, Yong Hee Lee, Jae Ho Lee, Jung Sik Kim, Byung Ill Oh