Optical touch screen based on waveguide sensing

doi:10.1063/1.3615656

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Optical touch screen based on waveguide sensing

2011-08-09

DOI：10.1063/1.3615656

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Abstract

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We disclose a simple, optical touch screen technique based on a planar injection molded polymer waveguide, a single laser, and a small linear detector array. The solution significantly reduces the complexity and cost as compared to existing optical touch technologies. Force detection of a touching finger is also demonstrated. (C) 2011 American Institute of Physics. [doi:10.1063/1.3615656]

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