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:
Dec. 31, 2013
Filed:
Dec. 19, 2008
Julien Guilhemsang, Creteil, FR;
Fabrice Auzanneau, Massy, FR;
Yannick Bonhomme, Breuillet, FR;
Abstract
A method for detecting and determining a position of faults using reflectometry in a wired electrical network including: injecting a test signal e(t) into a cable in the electrical network, a timing of successive injections being controlled by a synchronization module that generates an emission clock signal and a reception clock signal; retrieving a reflected signal on the cable; sampling the reflected signal at a frequency Fe=1/Te, where Te is a sampling period; counting a number of samples obtained for the reflected signal and comparing the number of samples obtained with a number n predefined as a function of a length of the cable or the electrical network to be diagnosed, where n is an integer; repeating the injecting, the sampling, and the counting steps N times, shifting the emission clock signal by a duration δ; reconstituting the reflected signal from n*N samples obtained; and analyzing the reconstituted reflected signal to detect a fault.