Open access peer-reviewed chapter

Optical Touch Screen and Its Application as a Next Generation Classroom Response System

Written By

Hong Zhang

Submitted: May 25th, 2011 Reviewed: October 14th, 2011 Published: April 27th, 2012

DOI: 10.5772/36731

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Written By

Hong Zhang

Submitted: May 25th, 2011 Reviewed: October 14th, 2011 Published: April 27th, 2012