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. 02, 2010
Filed:
Aug. 13, 2008
Applicant:
Shin Nakajima, Tokyo, JP;
Inventor:
Shin Nakajima, Tokyo, JP;
Assignee:
Metglas, Inc., Conway, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 33/00 (2006.01); G01R 15/00 (2006.01); H01F 38/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A current transformer detects a sine-wave alternating current having a maximum effective current value I(A) and a frequency f(Hz) and a half-sine-wave rectified current having a maximum peak value I(A) and a frequency f(Hz) in a primary winding, consisting of at least one magnetic core with one turn of primary winding and at least one multiple turns of secondary winding to which a detecting resistor is connected.