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:
Jun. 16, 2026
Filed:
Oct. 31, 2019
Nec Corporation, Tokyo, JP;
Hidemi Noguchi, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
To suppress the deterioration of signal quality in an optical signal, a LiDAR device comprises: a signal output meansfor outputting a first electric signal in a first period, reducing the amplitude of the first electric signal outside the first period, and then outputting a second electric signal; a modulatorwhich outputs an optical signal modulated on the basis of the first electric signal or the second electric signal; and a control meansfor applying, to the modulator, a bias voltage based on the optical signal modulated on the basis of the first electric signal.
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