B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 25/10 (2006.01) B60R 25/00 (2006.01) G08B 13/00 (2006.01) G08B 13/04 (2006.01)
Patent
CA 2326547
An anti-vandalism detection and alarm system is disclosed for detecting (3, 16) and reporting (7, 51, 52) the scratching of relatively hard materials (12) such as glass and plastic which generate characteristic sound or vibration frequencies during scratching, and for detecting (36) and reporting (51, 52) the cutting and slashing of relatively soft materials (28, 29) such as fabric, leather and plastic.
L'invention concerne un système de détection et d'alarme antivandalisme servant à détecter (3, 16) et signaler (7, 51, 52) des éraflures produites sur des matières (12) relativement dures telles que du verre et du plastique, et qui produisent des fréquences de sons ou de vibrations caractéristiques au cours de l'éraflure; et servant à détecter (36) et signaler (51, 52) des coupures et des entailles produites sur des matières (28, 29) relativement souples telles que du tissu, du cuir et du plastique.
Nextbus Information Systems Llc
Smart & Biggar
LandOfFree
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