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:
Apr. 18, 2006
Filed:
Sep. 11, 2002
Reinhard Buchhold, Hamburg, DE;
Reinhard Buchhold, Hamburg, DE;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
In order to create a circuit configuration for a gradiometric current sensor with a bridge circuit in the form of a Wheatstone bridge for measuring gradients of the magnetic field strength of a current-carrying conductor, with four magnetoresistive resistors, two of which resistors form a sub-bridge in each case, while the sub-bridges are arranged symmetrically in relation to sub-conductors of the current-carrying conductor, and with a compensating circuit associated with the bridge circuit, which compensating circuit comprises compensating conductors associated with the magnetoresistive resistors, to which compensating conductors a compensating current can be applied, by means of which circuit configuration mounting tolerances can be compensated in a simple manner, it is provided that the sub-bridges () can each have a separate compensating current (I, I) applied to them.