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:
Apr. 01, 2008
Filed:
Nov. 05, 2004
Applicants:
Frank Greizer, Kaufungen, DE;
Sven Bremicker, Alheim-Baumbach, DE;
Inventors:
Frank Greizer, Kaufungen, DE;
Sven Bremicker, Alheim-Baumbach, DE;
Assignee:
SMA Technologie AG, Niestetal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The subject matter of the present invention is a method of automatically recognizing an electrical system by which both the voltage of an electrical system () and the phase angle between phases of the system are monitored so that human technical failure upon connecting a plant () to said electrical system () be reliably prevented.