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:
Feb. 19, 2019
Filed:
Dec. 08, 2015
Applicant:
Siemens Aktiengesellschaft, München, DE;
Inventors:
Andre Borgwardt, Schoenwalde-Ot Paaren, DE;
Marco Bruell, Berlin, DE;
Peter Kopaczewski, Berlin, DE;
Assignee:
SIEMENS AKTIENGESELLSCHAFT, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/252 (2006.01); G01R 19/25 (2006.01); H01H 71/12 (2006.01); G01R 15/18 (2006.01);
U.S. Cl.
CPC ...
G01R 19/2509 (2013.01); G01R 15/181 (2013.01); H01H 71/123 (2013.01);
Abstract
A circuit breaker for a low-voltage circuit is disclosed. In an embodiment, the circuit breaker includes a current conductor, assigned a measuring transducer for measuring the electrical current of the current conductor; a first filter connected to the measuring transducer; an analog/digital converter connected to the first filter; a second, high-pass filter connected to the analog/digital converter; and a digital integrator, connected to the high-pass filter and configured to determine the electrical current of the current conductor.