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.

Date of Patent:
Jun. 14, 2011

Filed:

Jan. 15, 2008
Applicant:

Jong-hwa Cho, Suwon-si, KR;

Inventor:

Jong-hwa Cho, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A high voltage power supply includes a current overflow prevention unit to detect a change in a load of a device that is operated by an output power supplied from a transformer and to ground filtered signals that are input to first and second comparison units according to the detection result.


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