BOUNDARY GARD
SECURITY SENSORS, NAMELY, ACTIVE TYPE SENSOR USING NEAR-INFRARED RADIATION, PASSIVE TYPE SENSOR USING FAR-INFRARED RADIATION, MICROWAVE SENSORS, ULTRASONIC SENSORS, ELECTRONIC MAT SWITCH USING ELECTROSTATIC CAPACITY, ACTIVE INFRARED PRESENCE SENSORS, BEAM SENSORS, PHOTOELECTRIC SENSORS, FIBER-TYPE PHOTOELECTRIC SENSORS, GLASS BREAK SENSORS, ELECTRIC MAGNETIC-CONTACT SWITCH; WARNING APPARATUS AND INSTRUMENTS FOR SECURITY PURPOSES, NAMELY, SOUND ALARMS, BUZZERS, LIGHTS WITH SENSOR, RADIO TRANSM...
Cancelled · February 19, 1998 · 75436840 ·