The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2009
Filed:
Oct. 10, 2002
Clifford Yamamoto, Gardena, CA (US);
Sebastian Nonis, Carson, CA (US);
Ashutosh Pande, San Jose, CA (US);
Nikola Bulatovic, Mountain View, CA (US);
Stefan Witanis, Sunnyvale, CA (US);
Clifford Yamamoto, Gardena, CA (US);
Sebastian Nonis, Carson, CA (US);
Ashutosh Pande, San Jose, CA (US);
Nikola Bulatovic, Mountain View, CA (US);
Stefan Witanis, Sunnyvale, CA (US);
SiRF Technology, Inc., San Jose, CA (US);
Abstract
Methods and systems consistent with the present invention provide a host based positioning system. The host based positioning system includes a tracker hardware interface that connects to a dedicated hardware space vehicle tracker to a host computer. The tracker hardware interface receives positioning information from the space vehicle tracker and communicates with the host computer using predefined messages. The host based positioning system includes a layered protocol approach to enable user applications on a host computer to access data from tracker hardware device.