| 摘要 |
A portable metal detection system that includes a hand/wrist mounted metal detector with two search coils mounted on the palm side of the detector. The mounted metal detector includes a wireless transmitter and a small rechargeable fuel cell. The detection system also includes a separate housing that contains a wireless receiver, a small rechargeable fuel cell and an adjustable vibration or audio alert circuitry. The separate housing may be worn anywhere on the operator of the system. Once the hand/wrist mounted metal detector detects a metal object, the wireless transmitter sends a signal to the wireless receiver in the separate housing that activates the vibration or audio alert circuitry. The separation of the detection device and the alert circuitry prevents a metal detection detainee from hearing or feeling a metal detection alert.
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