...网 关键字：综合自动化；设备供电；事故信号；网络通讯；制约回路 [gap=388]Keywords: integrated automation; equipment supply; accident signal; network communication; control loop ..
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可以利用现有广播的环境辐射为设备供电么？
Can devices be powered using ambient radiation from existing broadcasts?
这样就能直接给设备供电，无需借助磁场和感应电流。
Power is transferred to each device by direct contact rather than via a magnetic field and induction.
这听起来象是不多，但是足以给设备供电，并证明这一原理。
It does not sound like much, but it was enough to power the device and demonstrate the principle.
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