Patents by Inventor YINGCHUNG XU

YINGCHUNG XU 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: 20090141682
    Abstract: A method and system of controlling an audio switch at a receiving unit during handoff is disclosed herein. The method can include the step of—at a receiving unit with an audio call active on a first network supporting a first audio protocol—setting up a second audio call on a second network supporting a different audio protocol. The method can further include the steps of monitoring for one or more events, detecting one or more of the events, and in response to the detection of one or more of the events, switching an audio path of the receiving unit from the first network to the second network.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Applicant: MOTOROLA, INC.
    Inventors: WEI ZOU, ROBERT A. CORDES, XIANG-MING LI, JERRY J. MAHLER, YINGCHUNG XU