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:
May. 31, 1977
Filed:
Aug. 13, 1976
Applicant:
Inventors:
Max S Macrander, Warrenville, IL (US);
Ronald F Kowalik, Lombard, IL (US);
Assignee:
GTE Automatic Electric Laboratories Incorporated, Northlake, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ; H01F / ;
U.S. Cl.
CPC ...
323 48 ; 179 / ; 3402 / ; 307350 ;
Abstract
A circuit for use with a transformer having a plurality of windings monitors the direct current flow through a first winding and provides a corresponding compensation current to a second winding. The circuit also provides an output signal indicating whether the magnitude of the compensation current is greater than or less than a predetermined magnitude.