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:
Aug. 08, 2017
Filed:
Nov. 05, 2015
Applicant:
Thales, Courbevoie, FR;
Inventors:
Jacques Coatantiec, Montelier, FR;
Nicolas Vercier, Valence, FR;
Assignee:
Thales, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/16 (2006.01); G01C 21/20 (2006.01); G01S 19/40 (2010.01); G01S 19/49 (2010.01);
U.S. Cl.
CPC ...
G01C 21/165 (2013.01); G01C 21/20 (2013.01); G01S 19/40 (2013.01); G01S 19/49 (2013.01);
Abstract
Method of determining at least one radius of protection associated with a respective navigation parameter of a hybrid inertial navigation system by Kalman filtering employing introduction of a position bias into the state model of the Kalman filter representing the uncertainty associated with the reference safe position.