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:
Oct. 23, 2012
Filed:
Aug. 04, 2007
Applicants:
Olaf Ahrens, Giesen, DE;
Jürgen Bode, Schellerten/Dinklar, DE;
Jens Frühauf, Gronau, DE;
Andreas Goers, Pattensen, DE;
Inventors:
Olaf Ahrens, Giesen, DE;
Jürgen Bode, Schellerten/Dinklar, DE;
Jens Frühauf, Gronau, DE;
Andreas Goers, Pattensen, DE;
Assignee:
WABCO GmbH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrical switching circuit for operating a bus of a field bus system senses a fault current based on a first current of a first bus line and a second current of a second bus line.