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31.3: Bare Finger 3‐Dimentional Touch with Multi‐wavelength Sensing
Author(s) -
Wang GuoZhen,
Fang HsuanHe,
Huang YiPai,
Hu KuoJui,
Chen TsuHan
Publication year - 2012
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/j.2168-0159.2012.tb05804.x
Subject(s) - multi touch , liquid crystal display , computer science , wavelength , computer hardware , optics , physics , computer graphics (images) , computer vision
Recent 3D touch systems could only be applied to large display, none of those is suitable for portable devices. Therefore, we presented a 3D (x, y, z) near distance touch system for portable devices. In the proposed system, multi‐wavelength sensing was used to reduce capturing time of bare finger 2D/3D touch system. The resolution in xy‐plane and along z‐axis is 2mm and 4mm individually. Moreover, a 4 inch 3D LCD with the 3‐dimentional finger touch system was successfully demonstrated.
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