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:
Dec. 09, 2003
Filed:
Jun. 27, 2002
Applicant:
Inventors:
Mario Bilac, Lawrenceville, GA (US);
Peter Spenlove Staley, Kings Park, NY (US);
Assignee:
Siemens Energy & Automation, Inc., Norcross, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/00 ; H02H 7/00 ;
U.S. Cl.
CPC ...
H02H 3/00 ; H02H 7/00 ;
Abstract
A circuit breaker system (FIG. ) using electronic trip units is disclosed. The electronic trip units are coupled to a communications bus whereby the electronic trip units can be reconfigured, controlled, and/or monitored by a central computer. Further, the electronic trip units include a data acquisition circuit (FIG. ) that uses chopping to provide better accuracy and increased dynamic range of current measurements.