Patents by Inventor Chiayee Chang

Chiayee Chang 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).

  • Partial almanac collection system
    Publication number: 20060208942
    Abstract: A protocol independent interface for processing, within a mobile device, protocol aiding data received at a call processor with a Global Positioning System (“GPS”) interface, where the protocol aiding data is produced according to a Geolocation Server Station protocol is disclosed. The protocol independent interface may include a means for receiving, at the GPS interface, the protocol aiding data received at the call processor, means for converting the received protocol aiding data to interface data that is transparent to the Geolocation Server Station protocol, and means for passing the interface data to a GPS module.
    Type: Application
    Filed: February 10, 2006
    Publication date: September 21, 2006
    Inventors: Hemali Vyas, Gengsheng Zhang, Chiayee Chang, Lionel Garin, Ashutosh Pande
  • GPS-based positioning system for mobile GPS terminals
    Publication number: 20060202887
    Abstract: The present invention discloses a GPS system that uses call-processor intelligence to determine the mode of operation of a GPS receiver located in a GPS terminal. The modes are selected based on the availability of network facilities, the GPS information that can be acquired, or user input requirements.
    Type: Application
    Filed: December 19, 2005
    Publication date: September 14, 2006
    Inventors: Ikuo Tsujimoto, Junichi Suzuki, Chiayee Chang, Lionel Garin, Ashutosh Pande