Patent · US Expired

Method and circuit for detecting the armature position of an electromagnet

US6949923B2 · kind B2 · utility

16Cited by

9References

12Claims

0Family size

Assignee

Wolfgang E. Schultz · DE

Inventors

Wolfgang Schultz · Krefeld, DE
Dieter Kleinert · Memmingen, DE
Peter Tappe · Memmingen, DE
Jürgen Heinzmann · Babenhausen, DE
Horst-Peter Wassermann · Memmingen, DE

Key dates

Filing date	Oct 15, 2002
Grant date	Sep 27, 2005
Priority date	—
Expiry date	Oct 15, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH01F7/1844
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a method and to a circuit for detecting the armature position of an electromagnet. The magnetic voltage is compared with a reference voltage. The reference voltage is used derived from the magnetic voltage by a filtration.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.