div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: The leap-motion device system - CUHK src=https:reader036fdocumentsusreader036viewer202207161862d1e44490b0a01ded51ad06html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpThe HTC controller device systemp pThe leap-motion device systempdiv