The receiver module of the device could receive signals from several inductive probes. The inductive probes should be installed on the protruding points of the hoisting machinery.

该装置的接收模块能接收多个感应探头的信号，应用时将感应探头安装在起重机各凸出部位。

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Engineers have been particularly successful with inductive technology, in which a smartphone with an inductive receiver loop embedded into the device itself can be placed on a wireless pad and have its batteries fully replenished without the need for wires or an electrical connection.

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