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:
May. 29, 2018
Filed:
Feb. 26, 2013
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Munich, DE;
Abstract
The present invention relates to a method and a device for measuring currents or magnetic fields using at least one Hall sensor, which is operated with spinning current technology. In addition to first sample values for calculating a spinning current measurement value (), second sample values are formed from the digitally converted sensor signals () of the Hall sensor in the method. The second sample values are formed over shorter periods of time () and are corrected with an offset, which is calculated from the spinning current measurement value () and the first sample values. In addition to the precise spinning current measurement value (), fast offset-corrected measurement values () of the magnetic field or current are obtained using the method and the associated device, without elaborate calibration or additional analog circuitry expenses.