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:
Oct. 15, 1996
Filed:
Jun. 26, 1995
Applicant:
Inventor:
Friedrich Lenhard, Hanau, DE;
Assignee:
Vacuumschmelze GmbH, Hanau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; G01R / ;
U.S. Cl.
CPC ...
3241 / ; 324 / ; 324127 ;
Abstract
A current sensor operating according to the compensation thereon which is particularly suited for acquiring high currents has a secondary winding of the current transformer is divided into at least two sub-windings that are supplied by different amplifiers in an amplifier arrangement. This results in symmetrical loading of the supply voltage so that twice as high a compensation current is enabled given the same internal resistance of the sub-windings and same resistance of the terminating resistor as in known current sensors of this type.