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. 25, 2021
Filed:
Jan. 21, 2020
Applicant:
Fotech Group Limited, Church Crookham, GB;
Inventors:
Vincent Handerek, Grays, GB;
Adrian Steel, Sandhurst, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/353 (2006.01); G01B 11/16 (2006.01); G01H 9/00 (2006.01); G01K 11/32 (2021.01);
U.S. Cl.
CPC ...
G01D 5/35361 (2013.01); G01B 11/16 (2013.01); G01D 5/35358 (2013.01); G01D 5/35383 (2013.01); G01D 5/35396 (2013.01); G01H 9/004 (2013.01); G01K 11/32 (2013.01);
Abstract
There is disclosed a distributed optical fibre sensing system in which the sensor fibre comprises at least first and second waveguides used for separate sensing operations. The sensor fibre may be, for example, a double clad fibre having a monomode core and a multimode inner cladding.