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:
Oct. 22, 2013

Filed:

Apr. 05, 2012
Applicants:

Yong IL Kwon, Gyeonggi-do, KR;

Han Jin Cho, Seoul, KR;

Tah Joon Park, Gyeonggi-do, KR;

Koon Shik Cho, Seoul, KR;

Inventors:

Yong Il Kwon, Gyeonggi-do, KR;

Han Jin Cho, Seoul, KR;

Tah Joon Park, Gyeonggi-do, KR;

Koon Shik Cho, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is a pad controlling apparatus controlling current and voltage applied to a pad, the pad controlling apparatus including: a voltage drop unit dropping the voltage applied to the pad; a switching unit connected in parallel with the voltage drop unit; and a control unit comparing a level of the dropped voltage and first reference voltage with each other and turning on the switching unit on when the level of the dropped voltage is larger than the first reference voltage. According to the present invention, even though interrupt occurs from the outside, a chip may be normally operated.


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