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:
Nov. 19, 2024

Filed:

Sep. 27, 2019
Applicant:

Nec Corporation, Tokyo, JP;

Inventor:

Takashi Kojima, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01H 9/00 (2006.01); G08B 13/12 (2006.01);
U.S. Cl.
CPC ...
G01H 9/004 (2013.01); G08B 13/124 (2013.01);
Abstract

An optical fiber sensing system that includes an optical fiber provided in a monitor area, a detection unit that detects an anomaly that has occurred in the monitor area and identifies a location on the optical fiber where the anomaly is detected, based on a vibration pattern included in an optical signal received from the optical fiber, and a control unit that displays an arrangement situation of the optical fiber in an overlapping manner on a map of the monitor area, displays a mark indicating a location on the optical fiber where the anomaly is detected, in an overlapping manner on the map of the monitor area, and displays information indicating a detail of the anomaly.


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