194708 ⎘
Burglar, theft or intruder alarms; Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using pulse-type detection circuits
Anomaly detection system and method
#2System and method for radiating RF waveforms using discontinues associated with a utility transmission line
#3System and method for intrusion detection using a time domain radar array
#4System and method for intrusion detection using a time domain radar array
#5System and method for radiating RF waveforms using discontinues associated with a utility transmission line