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:
Aug. 11, 2020
Filed:
Jun. 20, 2019
Nexans, Courbevoie, FR;
David Keller, Cary, NC (US);
Donald Stevens, Lancaster, PA (US);
Pritesh Majmundar, New Holland, PA (US);
Norman Andrew Punch, Jr., Holly Springs, NC (US);
Rakesh Sambaraju, Downingtown, PA (US);
Dan Rouse, Apex, NC (US);
Randie Yoder, Garner, NC (US);
NEXANS, Courbevoie, FR;
Abstract
A cable is provided for detecting tampering thereof. The cable has at least two copper signal cables, at least one hollow buffer tubes located abutting the two copper signal cables, an inner jacket, an armor, and at least one loose tube optical fiber sensor element disposed within the cable in a configuration that subjects the optical fiber sensor to external conditions. The at least one loose tube optical fiber sensor element is located between and abutting at least one of the copper signal cables and the at least one adjacent hollow buffer tube. The at least one loose tube optical fiber sensor element is configured attenuate under changes in the external conditions.