Method of fire detection and fire detection installation

A fire alarm installation possessing increased intelligence which enables differentiating between smoldering fires and fires having open or licking flames. This capability is obtained in that the fire alarm installation possesses two sensor elements working according to different functional principl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SCHEIDWEILER, ANDREAS
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A fire alarm installation possessing increased intelligence which enables differentiating between smoldering fires and fires having open or licking flames. This capability is obtained in that the fire alarm installation possesses two sensor elements working according to different functional principles and an evaluation circuit contains circuit elements which form the quotient of the signals received from both sensor elements. The different sensor elements can be united in a single fire alarm housing which simultaneously contains the evaluation circuit.