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:
Apr. 13, 2010

Filed:

Dec. 28, 2006
Applicants:

Shi-quan Lin, Guangdong, CN;

Shin-hong Chung, Guangdong, CN;

Han-che Wang, Guangdong, CN;

Kuan-hong Hsieh, Guangdong, CN;

Xin Zhao, Guangdong, CN;

Inventors:

Shi-Quan Lin, Guangdong, CN;

Shin-Hong Chung, Guangdong, CN;

Han-Che Wang, Guangdong, CN;

Kuan-Hong Hsieh, Guangdong, CN;

Xin Zhao, Guangdong, CN;

Assignees:

Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd., Longhua Town, Bao'an District, Shenzhen, Guangdong Province, P.R.C., unknown;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
Abstract

A touch sensing apparatus is provided. The apparatus includes a flip-flop (), a sensor (), an AC signal (), and a detector (). The AC signal supplies AC signals to the flip-flop. The flip-flop outputs a first output signal at the output of flip-flop when the sensor is not touched. The sensor receives electricity signals from the object, and causes a delay of the AC signal inputted to the first input of the flip-flop, the delay of the AC signal to be inputted to the first input of the flip-flop further causes the flip-flop to output a second output signal at the output of the flip-flop. The detector detects a change from the first output signal to the second output signal at the output of the flip-flop and accordingly identifies a touch on the sensor.


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