Powerbeam公司的方案是为接收设备配备一枚小型荧光灯泡，这样传输器的摄像头就能跟踪光线，并适时引导激光束方向。
Powerbeam's solution is to fit a small fluorescent bulb to the receiving device so that a camera on the transmitter can track the light and steer the laser beam accordingly.
Powerbeam公司的产品应该不存在这样的危险：如果传输器上的小摄像头没能捕捉到接收器灯泡发出的微弱光线，激光就会在几微秒内关掉。
That shouldn't be a danger with PowerBeam's products: if the small camera on the transmitter fails to see the small light bulb of the receiver, it shuts down the laser within milliseconds.
同时作为故障保护，如果接收器发现能量接收端有一个无故中断，还会通过无线电向传输器发送一个信息。
And as a failsafe, the receiver also sends a message to the transmitter via radio if it notices an unexplained interruption in power reception.
甚至就是经验丰富的业内人士，也对移动宽带的兴起感到意外。移动宽带使用内置接收器或外接“传输器”，通过高速移动网络向笔记本提供因特网连接。
Even industry veterans have been surprised by the rapid take-up of mobile broadband-using built-in receivers or plug-in "dongles" to provide Internet access to laptops via high-speed mobile networks.
甚至就是经验丰富的业内人士，也对移动宽带的兴起感到意外。移动宽带使用内置接收器或外接“传输器”，通过高速移动网络向笔记本提供因特网连接。
Even industry veterans have been surprised by the rapid take-up of mobile broadband-using built-in receivers or plug-in "dongles" to provide Internet access to laptops via high-speed mobile networks.
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