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:
May. 04, 2010

Filed:

Jan. 23, 2008
Applicants:

Ming-dou Ker, Hsinchu, TW;

Cheng-cheng Yen, Hsinchu, TW;

Chi-sheng Liao, Hsinchu, TW;

Tung-yang Chen, Tainan County, TW;

Inventors:

Ming-Dou Ker, Hsinchu, TW;

Cheng-Cheng Yen, Hsinchu, TW;

Chi-Sheng Liao, Hsinchu, TW;

Tung-Yang Chen, Tainan County, TW;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A transient detection circuit including a detecting unit, a setting unit, and a memory unit. The transient detection circuit provides an information signal to an external instrument when an electrostatic discharge (ESD) event occurs. The detecting unit is coupled between a first power line and a second power line for detecting the ESD event. The setting unit sets a level of a first node according to the detection result. The memory unit controls the information signal according to the level of the first node. The information signal is at a first level when the ESD event occurs in the first power line.


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