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:
Oct. 25, 2016

Filed:

Jun. 29, 2012
Applicants:

Jeffrey P. Thayer, Boulder, CO (US);

Steven Mitchell, Annapolis, MD (US);

Matthew Hayman, Boulder, CO (US);

Inventors:

Jeffrey P. Thayer, Boulder, CO (US);

Steven Mitchell, Annapolis, MD (US);

Matthew Hayman, Boulder, CO (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); G01S 17/08 (2006.01); G01S 7/499 (2006.01); G01S 7/497 (2006.01);
U.S. Cl.
CPC ...
G01S 17/08 (2013.01); G01S 7/499 (2013.01); G01S 7/497 (2013.01);
Abstract

Through discrimination of the scattered signal polarization state, a lidar system measures a distance through semi-transparent media by the reception of scattered signals from a first surface and scattered signals from a second surface. Combined and overlapped light signals scattered from the two surface signals can be separated by exploiting their differing polarization characteristics. This removes the traditional laser and detector pulse width limitations that determine the system's operational bandwidth, translating relative depth measurements into the conditions of single surface timing measurements and achieving sub-pulse width resolution.


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