Harness, Dickey & Pierce, P.L.C.
Infrared touch screen
This invention provides an infrared touch screen, comprising: a touch detecting region; a plurality of edges containing at least a first edge and a second edge, wherein the first edge and the second edge are opposite to each other, there are infrared emitters and infrared receivers fixed on the first edge and there are infrared emitters and infrared receivers fixed on the second edge; and a phase managing mechanism configured to control the phase alternation of the infrared touch screen which has a plurality of phases containing at least a first phase and a second phase. With the structure change and phase managing mechanism application in this infrared touch screen, the light interference caused by varying ambient light can be reduced or eliminated effectively.
BEIJING IRTOUCH SYSTEMS CO., LTD
G G G G G G
G06F G06F G06F G06F G06F G06F
additional inventional additional additional additional additional
Xinbin Xinlin Jianjun
Liu Ye Liu