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:
Nov. 07, 2000
Filed:
Dec. 15, 1998
Teresa M Meng, Portola Valley, CA (US);
Horng-Wen Lee, Cupertino, CA (US);
Stanford University, Palo Alto, CA (US);
Abstract
Consistent with one embodiment of the invention, a GPS signal processing system uses a behavior observer to monitor user dynamics and to aid a time-varying-gain filter arranged to perform continuous position and speed estimates. The behavior observer consists of a fast observer and a signal detector. The fast observer tacks user maneuvers. The signal detector compares outputs of the fast observer and the time-varying-gain filter to determine user dynamics and corrects operations of the time-varying-gain filter. Tracking ability is improved without degradation in steady-state position accuracy.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile