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. 16, 2018

Filed:

Apr. 29, 2016
Applicants:

Hongfujin Precision Electronics (Zhengzhou) Co., Ltd., Zhengzhou, CN;

Hon Hai Precision Industry Co., Ltd., New Taipei, TW;

Inventors:

Ji-Xiang Yin, Henan, CN;

Jiang-Feng Shan, Henan, CN;

Tsung-Jen Chuang, New Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/00 (2006.01); G01R 33/07 (2006.01); H05K 9/00 (2006.01);
U.S. Cl.
CPC ...
G01R 33/07 (2013.01); H05K 9/0067 (2013.01);
Abstract

A circuit removing static electricity from a connected electronic device includes a detecting device, an amplifier, a switch device, and a control device. The detecting device detects a change of a magnetic flux surrounding the electronic device, and generates an analog electronic signal accordingly. The amplifier connects to the detecting device and amplifies the analog electronic signal. The control device connects to the amplifier, filters an amplified analog electronic signal, and generates a control signal. The switch device connected to the control device as well as the electronic device conducts the static electricity to earth in response to the control signal.


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