Patents by Inventor Wallace Yang

Wallace Yang 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: 20050008007
    Abstract: The present invention provides a communication system and method for interconnecting dissimilar wireless radio networks over an IP network. The communication system comprises an interconnected IP network and a plurality of communication terminals attached to dissimilar wireless radio networks and the IP network. The communication terminals can convert digital signals for dissimilar wireless networks into a digital network signal over IP and vice versa. These digital signals comprise a call control plane and a data plane which can convey voice, video, and other kinds of data. Therefore terminals of the dissimilar wireless radio networks can communicate over the interconnecting IP network of the disclosed communication system.
    Type: Application
    Filed: August 2, 2004
    Publication date: January 13, 2005
    Inventor: Wallace Yang
  • Publication number: 20020098866
    Abstract: A wireless network telephone system using an embedded processor as the CPU to provide a portable and expandable network telephone system.
    Type: Application
    Filed: January 3, 2002
    Publication date: July 25, 2002
    Inventor: Wallace Yang