INTERACTIVE INPUT SYSTEM WITH VARIABLE REFLECTOR PEN TOOL
摘要
A pen tool for use with a machine vision interactive input system comprises an elongate body, a tip on the body and a variable reflector disposed on the body. The variable reflector comprises a reflecting portion and an attenuating portion configured to control the amount of illumination reflected by the reflecting portion.
申请公布号
WO2013040691(A1)
申请公布日期
2013.03.28
申请号
WO2012CA00882
申请日期
2012.09.24
申请人
SMART TECHNOLOGIES ULC;THOMPSON, SEAN;MCGIBNEY, GRANT;MORRISON, GERALD, D.
发明人
SMART TECHNOLOGIES ULC;THOMPSON, SEAN;MCGIBNEY, GRANT;MORRISON, GERALD, D.