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.

Date of Patent:
Dec. 26, 2017

Filed:

Nov. 27, 2014
Applicant:

Bae Systems Information and Electronic Systems Integration Inc., Nashua, NH (US);

Inventors:

Michael J. Choiniere, Merrimack, NH (US);

Egor V. Degtiarev, Merrimack, NH (US);

Eric C. Gausch, Merrimack, NH (US);

Derek P. Janiak, Manchester, NH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); G01S 17/08 (2006.01); G01S 7/487 (2006.01); G01S 7/489 (2006.01); G01S 7/497 (2006.01);
U.S. Cl.
CPC ...
G01C 3/08 (2013.01); G01S 7/489 (2013.01); G01S 7/4873 (2013.01); G01S 17/08 (2013.01); G01S 7/497 (2013.01);
Abstract

A laser range finder (LRF) and an automated method for determining a return laser signal associated with a target thereof are disclosed. In one example embodiment, the LRF includes a laser beam emitter to emit a laser beam towards a target. Further, the LRF includes a receiver circuit to receive multiple return laser signals reflected from objects including the target and to determine an amplitude of each of the multiple return laser signals. Furthermore, the LRF includes a processor coupled to the receiver circuit to compare the amplitude of each of the multiple return laser signals with a range varying threshold that accounts for range and atmospheric losses and to determine one of the multiple return laser signals as being associated with the target based on the comparison.


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