194714 ⎘
Burglar, theft or intruder alarms; Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using cable transducer means
Sound sensing system
#2Office building security system using fiber sensing
#3Multipoint sensing system
#4Apparatus and method for detecting tampering in flexible structures
#5Security System Using Piezoelectric Sensors
#6Piezoelectric cable-based monitoring system
#7Networked multiband waveguide intrusion detection and localization sensor
#8External perimeter monitoring system
#9Integrated sensor cable for ranging