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:
May. 01, 2012
Filed:
May. 20, 2009
Applicants:
Gang Kevin Liu, Simi Valley, CA (US);
Robert John Buchler, Calabasas, CA (US);
Inventors:
Gang Kevin Liu, Simi Valley, CA (US);
Robert John Buchler, Calabasas, CA (US);
Assignee:
Northrop Grumman Guidance and Electronics Company, Inc., Woodland Hills, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus comprising a position system configured to determine a global positioning (GPS) change vector, and an inertial navigation system (INS) change vector. The position system is configured to determine a relative position between a first platform and a second platform based on the GPS change vector and the INS change vector, and the position system is configured to correct a GPS position calculation error based on the GPS change vector and the INS change vector.