This page only described the basic theory of operation of IR remote control. 本頁(yè)面只有描述的基本原理,操作紅外線(xiàn)遙控器。
It emits near-infrared energy and measures whether any significant amount of the IR light is returned. 它發(fā)出接近紅外線(xiàn)的能量并測量有沒(méi)有相當多的紅外線(xiàn)返回。