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:
Mar. 30, 2004
Filed:
Feb. 15, 2002
Applicant:
Inventors:
Friedrich Lenhard, Hanau, DE;
Stefan Schäfer, Rümmelsheim, DE;
Paul Mourick, Fürth, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 1/518 ; G01R 1/900 ; H01F 2/742 ;
U.S. Cl.
CPC ...
G01R 1/518 ; G01R 1/900 ; H01F 2/742 ;
Abstract
A current sensor ( ) is provided with low-pass filters ( and ) for stabilizing the pulse-duration modulated compensation signal. The current sensor is also provided with an additional RC element ( ). Furthermore, a limiting means consisting of Zener diodes ( ) and an ohmic resistance ( ) is provided for suppressing fast current transients.