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:
Mar. 19, 2013

Filed:

Sep. 21, 2011
Applicant:

Byong-mo Moon, Seoul, KR;

Inventor:

Byong-mo Moon, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A voltage detection device and a semiconductor device including the same are provided. The voltage detection device includes: a first clock generator which generates a first clock signal having a period that changes according to an external voltage; a second clock generator which generates a second clock signal having a predetermined period corresponding to a reference voltage; and a detector which detects a change of the external voltage by comparing the first clock signal with the second clock signal.


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