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:
Jun. 02, 2020

Filed:

May. 31, 2017
Applicant:

Hrl Laboratories, Llc, Malibu, CA (US);

Inventor:

Oleg M. Efimov, Thousand Oaks, CA (US);

Assignee:

HRL Laboratories, LLC, Malibu, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 17/34 (2020.01); G01S 17/58 (2006.01); H04B 10/00 (2013.01); G01R 31/28 (2006.01); H04L 27/10 (2006.01); H04L 27/144 (2006.01); G01S 7/481 (2006.01); G01S 7/4912 (2020.01); G01R 35/00 (2006.01);
U.S. Cl.
CPC ...
G01S 17/34 (2020.01); G01R 31/2829 (2013.01); G01S 7/4818 (2013.01); G01S 7/4917 (2013.01); G01S 17/58 (2013.01); H04B 10/142 (2013.01); H04L 27/103 (2013.01); H04L 27/144 (2013.01); G01R 35/005 (2013.01);
Abstract

A lidar including a laser having a first frequency-modulated laser radiation and a second frequency-modulated laser radiation, a first waveguide coupled to the laser, wherein the first frequency-modulated laser radiation and the second frequency-modulated laser radiation are transmitted by the laser into the first waveguide, a second waveguide, a filter coupled between the first waveguide and the second waveguide, wherein the filter is configured to couple and pass the first frequency-modulated laser radiation through the filter to the second waveguide, and is configured to not couple or pass the second frequency-modulated laser radiation through the filter to the second waveguide, and a photodetector coupled to the second waveguide.


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Efimov, Oleg. (2020). Dual frequency fmcw lidar and method (U.S. Patent No. 10670721). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10670721

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