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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="content-type"><title>Optical Trackpad</title></head><body><h1><span class="apple-style-span"><span style="font-size: 12pt; line-height: 115%; font-family: "Times New Roman","serif"; color: black;"><a name="Optical_Trackpad"></a>OpticalTrackpad</span></span></h1><p class="MsoNormal"><span class="apple-style-span"><span style="font-size: 12pt; line-height: 115%; font-family: "Times New Roman","serif"; color: black;">Optical trackpadis an input device that utilizes optical sensor to detect the displacement offingers that move on top of the trackpad. It is used in smartphones fornavigation. It tracks movement in 360 degree very smoothly and at varyingspeed. <o:p></o:p></span></span></p><br><br></body></html>