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Establishing a boundary zone, detecting intrusions, and identifying intruders who enter said zone
Establishing a boundary zone, detecting intrusions, and identifying intruders who enter said zone
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机译:建立边界区域,检测入侵并识别进入该区域的入侵者
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摘要
A barrier formed by a plurality of free-standing spaced-apart stations which are sensitive to events in a region between them. Each station includes a sensor responsive to an event to be sensed, and may be passive or a combination of emitter and sensor. The technology is preferably electromagnetic, or motion responsive.
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