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:
Jul. 19, 2011
Filed:
Jul. 18, 2007
Applicants:
Roland Kuepfer, Schönbühl, CH;
Peter Kull, Rüttenen, CH;
Inventors:
Roland Kuepfer, Schönbühl, CH;
Peter Kull, Rüttenen, CH;
Assignee:
Schaffner EMV AG, Luterbach, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An active EMC filter for medical applications allows reducing the leakage current normally induced by large phase-to-ground capacitances. The filter may comprise an active shunt module or an impedance converter or a correction signal generator and is suitable both for three-phase and single-phase applications.