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:
Feb. 02, 2021
Filed:
Sep. 06, 2018
Frank J Smith, Long Beach Township, NJ (US);
Frank J Smith, Long Beach Township, NJ (US);
Other;
Abstract
A system and method for detecting and determining the location of (i) defects in railroad track rails and (ii) the presence of cars, trains or vehicles on the rails. A strain sensitive fiber optic cable is continuously bonded to each section of rail, with the cables of adjacent rails being interconnected by non-strain-sensitive fiber optic cable. A detection system provides an optical backscatter sensing function and an optical time domain reflectometry analysis and distance determining function to determine the nature and location of rail anomalies and vehicle presence on the rails.
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