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. 07, 2003
Filed:
Sep. 12, 2001
Applicant:
Inventors:
David J. Fleming, Cardiff, CA (US);
Hassan Yarpezeshkan, La Jolla, CA (US);
Assignee:
Qualmag, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 4/00 ;
U.S. Cl.
CPC ...
H02J 4/00 ;
Abstract
An uninterruptible transfer switch (UTS) coupled to two or more power sources and a load, said UTS including switches and an inverter, powered through one of several sources routed through rectifiers, capable of sensing power quality of two or more power sources and automatically switching sources when the primary power source is degraded to a predetermined limit and the switching of sources occurring without appreciable power loss on the load side of the UTS.