IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Design of force measurement module for force touch screens
Yong-Min LeeSangjoon Lee
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JOURNALS FREE ACCESS

2017 Volume 14 Issue 20 Pages 20170805

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Abstract

This paper presents a force touch technology that uses strain gauge sensors for next-generation 3D touch screens. We developed a force measurement module using strain gauges, and configured a system that was identifiable according to touch pressure, and tested the force measurement module. We found that the thickness of the base pad in the force measurement module is very important for touch sensitivity, and carried out thickness optimization of the base pad. We successfully conducted an experiment to display touch signals on a screen with various touch pressure and multi-touch testing. This study confirmed the possibility of applying to the force touch screen using the force measurement module.

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© 2017 by The Institute of Electronics, Information and Communication Engineers
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