An intrusion detection system and a method therefor

A dual sensing intrusion detection system comprising a passive infrared radiation detection sensor (12) which generates a first output signal (32) in response to the detection of an intruder in the volume of space, a second detection sensor (6) which is directed to the same volume of space and gener...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	JOHNSON, RICHARD ADAM
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!