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. 11, 2015
Filed:
May. 20, 2013
Applicant:
Linn Zien, Westlake Village, CA (US);
Inventor:
Linn Zien, Westlake Village, CA (US);
Assignee:
NORTHROP GRUMMAN GUIDANCE AND ELECTRONICS COMPANY, INC., Woodland Hills, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/10 (2006.01); G01C 25/00 (2006.01); G01C 21/16 (2006.01); G01C 21/18 (2006.01);
U.S. Cl.
CPC ...
G01C 25/005 (2013.01); G01C 21/16 (2013.01); G01C 21/165 (2013.01); G01C 21/18 (2013.01);
Abstract
In one embodiment, a system includes a motion detector to determine a motion event or a no motion event for an inertial system. The determination of the events is based upon comparing at least one motion parameter in the inertial system to at least one predetermined threshold. An azimuth update controller (AUC) periodically requests motion detection events from the motion detector and corrects heading information to a previous positional state in the inertial system in response to receipt of the no motion event.