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:
Jan. 21, 1992
Filed:
Feb. 21, 1991
Applicant:
Inventors:
Michel Barrault, St. Ismier, FR;
Philippe Schuster, Grenoble, FR;
Roland Moussanet, Notre Dame de Commiers, FR;
Raymond Bresson, Grenoble, FR;
Assignee:
Merlin Gerin, Meylan, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; H01C / ;
U.S. Cl.
CPC ...
324126 ; 324105 ; 335172 ; 338 49 ;
Abstract
A measuring sensor of an electronic trip device of a circuit breaker comprises a shunt in the form of a hollow cylinder inside which there is located an electronic processing unit, comprising an amplifier circuit and an input resistance in good thermal contact with the internal face of the cylinder.