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:
Jul. 02, 2024
Filed:
Apr. 16, 2019
Nec Corporation, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
According to one example embodiment, an optical fiber sensor includes an optical fiber cable and a device body configured to cause an optical pulse signal to be incident on the optical fiber cable and identify, from intensity change of backscattered light of the incident optical pulse signal and an arrival time of the backscattered light, a prescribed environmental change having occurred in a vicinity of the optical fiber cable and an occurrence location of the environmental change, in which the device body performs correction of a sensing location on the optical fiber cable, based on environmental change information including the identified occurrence location and installation location information of the optical fiber cable.