...接收器的硬件设计MCE遥控接收器的背面都有两到三个标有1、2等数字的小孔，它们的作用是用于连接被称为“IR emitter（红外发射器）”或者的东东。
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给iPhone添加一个红外发射器，将为集成设备控制开启各种有趣的可能性。
Adding an IR transmitter to the iPhone would open all sorts of interesting possibilities for integrated device control.
室外选用主动式红外探测器，主动红外发射器发出一束经调制的红外光束，投向红外接收器，形成一条警戒线。
Selection of active outdoor infrared detectors, active infrared transmitter sent a bouquet of the infrared beam by the modulation, into the infrared receiver to form a cordon.
9英寸的计算机屏幕周围遍布了红外线发射器和接收器，用于检测到用户的手指的位置。
The 9-inch computer screen was surrounded by infrared transmitters and receivers that detected the position of the user's finger.
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