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:
Jan. 14, 2020
Filed:
Apr. 05, 2017
Applicant:
Novatel Inc., Calgary, CA;
Inventor:
Michael Bobye, Calgary, CA;
Assignee:
NovAtel Inc., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/18 (2006.01); G01C 25/00 (2006.01); G01S 19/47 (2010.01); G01C 21/16 (2006.01); G01S 5/00 (2006.01);
U.S. Cl.
CPC ...
G01C 21/18 (2013.01); G01C 21/165 (2013.01); G01C 25/005 (2013.01); G01S 5/00 (2013.01); G01S 19/47 (2013.01);
Abstract
A navigation system that utilizes yaw rate constraint during inertial dead reckoning is provided. The system accumulates relative yaw measurements to produce dead reckoning mechanization update values. The system corrects for z axis drift errors.