Patents by Inventor Young-Choon Jang

Young-Choon Jang 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).

  • Patent number: 7278888
    Abstract: A bias-T apparatus and its center conductor for providing radio frequency signals and power source to outdoor equipment of a Base Transceiver Station (BTS) in a mobile communication. system. The bias-T apparatus includes a housing having an input connector and an output connector integrally formed at both ends of the housing, a housing hole formed through central portions of the input and output connectors, and a fixing hole formed inside of an upper central portion of the housing, the input connector being connected to a transceiver system, the output connector being connected to an antenna; and a center conductor assembly connected to the input and output connectors for providing electric connection for the bias-T apparatus.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: October 9, 2007
    Assignee: KMW Inc.
    Inventors: Duk-Yong Kim, Young-Choon Jang, Jin-Bae Kim
  • Publication number: 20050101191
    Abstract: The present invention relates to a mobile communication system, and more particularly to a bias-T apparatus and its center conductor for providing radio frequency signals and power source to outdoor equipment of a Base Transceiver Station (BTS) in a mobile communication system. The bias-T apparatus comprises: a housing having an input connector and an output connector integrally formed at both ends of the housing, a housing hole formed through central portions of the input and output connectors, and a fixing hole formed inside of an upper central portion of the housing, the input connector being connected to a transceiver system, the output connector being connected to an antenna; and a center conductor assembly connected to the input and output connectors for providing electric connection for the bias-T apparatus.
    Type: Application
    Filed: August 4, 2003
    Publication date: May 12, 2005
    Inventors: Duk-Yong Kim, Young-Choon Jang, Jin-Bae Kim