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. 16, 2016
Filed:
Feb. 18, 2011
Applicant:
Roy Ball, Coral Springs, FL (US);
Inventor:
Roy Ball, Coral Springs, FL (US);
Assignee:
ABB Technology, AG, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 77/00 (2006.01); H01H 83/00 (2006.01); H01H 71/04 (2006.01); H01H 83/04 (2006.01); G01R 31/327 (2006.01);
U.S. Cl.
CPC ...
H01H 71/04 (2013.01); H01H 83/04 (2013.01); G01R 31/3277 (2013.01); H01H 2071/048 (2013.01);
Abstract
A protective switch assembly () includes switch position sensors () that sense switch blade () position and indicate whether one or more switches () are open. According to another aspect, the voltage and current of the switch circuits are monitored to determine switch position as well as overall circuit status.