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:
Nov. 17, 2009

Filed:

Apr. 20, 2006
Applicants:

Jun-seok Cho, Gwangmyeong-si, KR;

Young-min Chae, Suwon-si, KR;

Inventors:

Jun-seok Cho, Gwangmyeong-si, KR;

Young-min Chae, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus to generate a high voltage includes an outputting part having a power transforming part formed with a primary and a secondary coil, a switching part to control an output voltage induced in the secondary coil of the power transforming part, by interrupting a current in the primary coil of the power transforming part, a digital controlling part to control an interruption operation of the switching part according to a time constant determining a wave form of the output voltage of the power transforming part and a control reference value determining a level of the output voltage, and a digital interfacing part to convert input control data having first and second forms into the time constant and the control reference value, respectively, and to provide the time constant and the control reference value to the digital controlling part.


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