Safety volume control for car audio equipment - reduces volume when warning device emits audible signal

The control reduces the danger of accidents by ensuring that the driver can hear audible warning signals without delay even when the reproduction equipment is in use. When the warning device outputs an audible signal a detector provides a control signal to an element which reduces the vol. of the el...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JAEGER,ALOIS, NEUMANN,LOTHAR,ER.NAT
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ALARM SYSTEMS BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION ELECTRICITY ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TRAFFIC CONTROL SYSTEMS
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