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:
May. 07, 2019
Filed:
Apr. 26, 2016
Applicant:
Fotech Solutions Limited, London, GB;
Inventor:
Vincent Handerek, Essex, GB;
Assignee:
Fotech Solutions Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/353 (2006.01); G01H 9/00 (2006.01); G01M 11/00 (2006.01);
U.S. Cl.
CPC ...
G01D 5/35361 (2013.01); G01H 9/004 (2013.01); G01M 11/3118 (2013.01);
Abstract
The disclosure relates to distributed optical fiber sensors arranged to detect coherent Rayleigh backscatter from a sensing optical fiber disposed in an environment, and to determine an infrasonic signal in the backscatter, or to determine a change in the environment within an infrasonic frequency range from the backscatter.