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. 31, 2004
Filed:
Nov. 02, 2001
Applicant:
Inventors:
Leif Bjerkan, Heimdal, NO;
Petter Støa, Heimdal, NO;
Assignee:
Leiv Eiriksson Nyfotek AS, Trondheim, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/100 ;
U.S. Cl.
CPC ...
G01N 2/100 ;
Abstract
System for monitoring high-tension cables in air stretches as well as a use of the same. The system comprises at least one optic fiber fastened to the high tension cable, the optic fiber including at least one Bragg grating with known reflection characteristics, a light source for emitting light within a known range of wavelengths into the optic fiber, and measuring devices for detection of light reflected from the Bragg grating in the fiber and for recognizing light reflected from each Bragg grating based on their known reflection characteristics.