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.

Date of Patent:
Jul. 19, 1994

Filed:

Mar. 30, 1992
Applicant:
Inventors:

Olivier Parriaux, Lausanne, CH;

Patrick DeBergh, Cressier, CH;

Jean-Pascal Chavanne, Bienne, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324 96 ; 3241 / ;
Abstract

The optical electric current sensor is composed of a birefringent light guide (2) coiled around an electric current conductor (1) and is characterized by a spatial modulation of the magnetic field or of the birefringence of the light guide, along the light guide, at a spatial period equal to a whole number of times the beat length of the guide.


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