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:
Sep. 16, 2025
Filed:
Oct. 28, 2020
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 23/14 (2006.01); E02B 3/04 (2006.01); G01F 23/22 (2006.01); G01N 21/95 (2006.01); G08C 23/06 (2006.01); H04N 7/22 (2006.01); H04N 23/661 (2023.01);
U.S. Cl.
CPC ...
G01F 23/14 (2013.01); E02B 3/04 (2013.01); G01F 23/22 (2013.01); G01N 21/95 (2013.01); G08C 23/06 (2013.01); H04N 7/22 (2013.01); H04N 23/661 (2023.01);
Abstract
A specifying system according to the present disclosure includes an optical fiber () laid along a levee () of a river (), a communication unit () configured to receive, from the optical fiber (), an optical signal containing a pattern that changes according to a state of the levee (), and a specifying unit () configured to specify a water level of the river () based on the pattern that changes according to the state of the levee ().