Power control circuit

The circuit is of a loop-mountable unit of a fire alarm system, and includes: an adjustable current source, arranged to adjust the current from the loop through the power control circuit based on a control signal; an inverting amplifier, arranged to provide the control signal to the adjustable curre...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BENNETT, Steven Ian, COTTRELL, Paul W
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
Online-Zugang:	Volltext bestellen
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