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A novel optical touch switch structure

Authors :
R. Amarit
S. Sumriddetchkajorn
Source :
CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on Lasers and Electro-Optics (IEEE Cat. No.03TH8671).
Publication Year :
2004
Publisher :
IEEE, 2004.

Abstract

This paper proposes for the first time a novel optical touch switch structure based on the use of light total internal reflection (TIR) concept. Key features include ease of implementation, prevention of the light beam incident on the user's eyes, and ability to accept both strong and weak mechanical forces from users.

Details

Database :
OpenAIRE
Journal :
CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on Lasers and Electro-Optics (IEEE Cat. No.03TH8671)
Accession number :
edsair.doi...........7dd003025a8c07d98bc3ff172c4c6cf0