Security wire sensitive to any disturbance - uses resonance technique involving piezoelectric transducers

A security protection wire equipment, in which one or more security wires are sensitive to any small disturbances or to cutting, uses a mechanical resonance technique involving piezoelectric transducers. A wire (1) is stretched between two spring loaded terminals (6, 7) across the area to be protect...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MEYER,GUENTHER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
Online-Zugang:	Volltext bestellen
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