WARNING SYSTEM AND METHOD

WARNING SYSTEM AND METHOD

A warning device particularly useful for the deaf or partially deaf comprising a mechanical vibration generator responsive to signals produced by a trigger signal generator to which it is operatively connected, the trigger signal generator being responsive to various external sources of different na...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: JOLY H,FR, FOSSARD H,FR
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:A warning device particularly useful for the deaf or partially deaf comprising a mechanical vibration generator responsive to signals produced by a trigger signal generator to which it is operatively connected, the trigger signal generator being responsive to various external sources of different natures, such as an alarm clock, a door bell or a car horn.