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3D stylus and pressure sensing system for capacitive touch panel

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5 Author(s)
Chih-Lung Lin ; Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, China ; Chia-Sheng Li ; Yi-Ming Chang ; Chia-Che Hung
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This work presents a new simple passive 3D stylus for capacitive touch panels that detects the x,y-directional position and z-directional strength using a peak calibration algorithm. The proposed algorithm can successfully detect the touch information while eliminating noise, ultimately leading smoother and faster tracking. Analysis results of an experiment on a touch panel demonstrate the effectiveness of the proposed stylus system.

Published in:

Consumer Electronics (ICCE), 2012 IEEE International Conference on

Date of Conference:

13-16 Jan. 2012