Black mirrors and pet alleys

By Colin McLuckie Colin McLuckie 2005-02-22T00:00:00

On the face of it, intruder detectors are simple devices, but it’s by no means easy to produce a unit which reliably detects intruders and discriminates effectively against false alarms. Colin McLuckie of Siemens Building Technologies explains how modern technologies reconcile these two key objectives, and gives useful advice to ...

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