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:
Sep. 09, 2014
Filed:
Apr. 08, 2011
Applicants:
Yair Alon, Thousand Oaks, CA (US);
Gregory Medlin, Scottsdale, AZ (US);
Inventors:
Yair Alon, Thousand Oaks, CA (US);
Gregory Medlin, Scottsdale, AZ (US);
Assignee:
Exelis Inc., McLean, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 17/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A technique for estimating the closest point of approach (CPA) of an object includes: tracking a range rate of the object based on Doppler measurements of the object; computing a first CPA estimate based on the tracked range rate; separately tracking a position of the object based on position measurements of the object; computing a second CPA estimate based on the tracked position; and computing a fused CPA estimate based on the first and second CPA estimates.