burglar alarm pad

In computer security, an intruder detector comprising a support with a matrix of foil or fine wire. The footstep of an intruder breaks the foil or wire, and an alarm is activated.; 在計算機安全學中,一種入侵者檢測器。它由金屬薄膜或細線組成,一旦入侵者的腳步 破壞了它們,警報器便啟動。