Patents by Inventor Ivan Oei

Ivan Oei 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: 6731748
    Abstract: An apparatus, system, and method for providing an audio interface between multiple deskset phones and a single radio antenna unit (RAU). The audio interface includes a transmit path and a receive path. The transmit path carries transmit signals from the multiple deskset phones to the RAU. The receive path carries a receive signal from the RAU to the deskset phones. The transmit path and receive path are electrically isolated from each other.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: May 4, 2004
    Assignee: Qualcomm Incorporated
    Inventors: Clement B. Edgar, III, Ivan Oei