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. 13, 2026
Filed:
Jun. 03, 2022
Applicant:
Safran, Paris, FR;
Inventor:
Axel Barrau, Moissy-Cramayel, FR;
Assignee:
SAFRAN, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/16 (2006.01); G01S 19/38 (2010.01);
U.S. Cl.
CPC ...
G01C 21/165 (2013.01);
Abstract
The invention relates to a method, navigation device and computer program product for assisting with the navigation of a vehicle provided with a navigation device. The method comprises the following steps: acquiring a priori values of variables of a navigation device of the vehicle; determining current values of the variables and a current uncertainty matrix from previous values of the variables and a previous uncertainty matrix; and determining a correction from the current values of the variables, the current uncertainty matrix and a measurement.