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:
Mar. 31, 2026
Filed:
Sep. 04, 2019
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Hidemi Noguchi, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 17/10 (2020.01); G01S 7/481 (2006.01); G01S 7/486 (2020.01);
U.S. Cl.
CPC ...
G01S 17/10 (2013.01); G01S 7/4814 (2013.01); G01S 7/486 (2013.01);
Abstract
An optical ranging device () according to the present disclosure includes a light pulse generation unit () that generates a light pulse with a phase change point between a first phase modulation portion and a second phase modulation portion, a light-transmitting unit () that transmits the generated light pulse, a light-receiving unit () that receives a light pulse reflected from a measurement object by the transmitted light pulse, and a distance calculation unit () that calculates a distance to the measurement object, based on a phase change point of the transmitted light pulse and a phase change point of the received light pulse.