Patents by Inventor Ho Byung CHA

Ho Byung CHA 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).

  • Publication number: 20180041293
    Abstract: The present invention relates to an apparatus for automatically measuring PIM, the apparatus comprising: at least one first connector formed on the upper surface of a plate; at least one first movement control unit, formed on the upper surface of the first plate, for controlling movement of the first connector; a second plate formed on the lower surface of the first plate; at least one second connector formed on the lower surface of the second plate; and at least one second movement control unit, formed on the rear surface of the second plate, for controlling movement of the second connector. The present invention is capable of measuring PIM of all RF components regardless of the port form of the RF components, and thus can reduce time and costs incurred for individually designing and purchasing PIM measurement apparatuses or jigs according to the port form of RF components.
    Type: Application
    Filed: November 6, 2015
    Publication date: February 8, 2018
    Applicant: Gammanu Co., Ltd.
    Inventor: Ho Byung CHA