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. 30, 2017

Filed:

Apr. 30, 2014
Applicants:

Chunghwa Picture Tubes, Ltd., Taoyuan, TW;

Tatung University, Taipei, TW;

Inventors:

Fu-Chiung Cheng, Taipei, TW;

Hsin-Chi Lai, New Taipei, TW;

Pin-Hung Chou, Taipei, TW;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0416 (2013.01);
Abstract

A touch panel circuit and an operation method thereof are disclosed herein. The touch panel circuit includes first scan lines, second scan lines, and a first scan sensing module. The first scan sensing module includes first scan-sensing units corresponding to the first scan lines, respectively. Each first scan sensing unit includes a first logic gate and a second logic gate. The first logic gate includes a first input terminal, a first output terminal, and a first control terminal. The second logic gate includes a second input terminal, a second output terminal, and a second control terminal. The first logic gate and second logic gate enable the first input terminal to connect to the first output terminal and one of the first scan lines, or enable the second input terminal and one of the first scan lines to connect to the second output terminal.


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