Patents by Inventor Kanwar Chadha

Kanwar Chadha 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).

  • Multi-mode global positioning system for use with wireless networks
    Patent number: 6389291
    Abstract: The present invention discloses a GPS system that can operate in different modes depending on the network facilities and bandwidth available, the GPS information that can be acquired, or user or system requirements. The modes comprise standalone mode, where a mobile communications device computes the position of the device, an autonomous mode, where the mobile communications device transmits the computed position to a server, application, or PSAP in a communications network, a network aided mode, where the network aides the mobile communications device in determining the position of the device, a network based mode, and other modes.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: May 14, 2002
    Assignee: SIRF Technology
    Inventors: Ashutosh Pande, Lionel Jacques Garin, Kanwar Chadha, Gregory Bret Turetzky