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:
Oct. 29, 2024
Filed:
Sep. 27, 2019
Nec Corporation, Tokyo, JP;
Toshiaki Tanaka, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
An optical fiber sensing system for abnormal occurrence detection includes a receiving unit configured to receive an optical signal from an optical fiber for sensing. The system includes an identifying unit configured to identify an occurrence of an event and a type of the event that has occurred based on a vibration pattern included in the optical signal. The system includes an acquiring unit configured to acquire a detection condition pertaining to a period corresponding to the type of the event identified by the identifying unit. The system includes a determining unit configured to determine that the event identified by the identifying unit is an anomaly if the detection condition is satisfied.