75726893
Jun 11, 1999
Apr 17, 2001
FIRE AND BURGLAR ALARM SYSTEMS, ALARM NOTIFICATION SYSTEMS COMPRISED OF INITIATION DEVICES NAMELY, MAGNETIC CONTACTS, GLASS-BREAK SENSORS, TAMPER SWITCHES, WATERFLOW SWITCHES, DIGITAL COMMUNICATORS, SMOKE DETECTORS, HEAT DETECTORS, SIRENS, MOTION SENSORS, MANUAL PULL STATIONS, POWER SUPPLIES, DOOR HOLDERS, TRANSMITTERS, RECEIVERS, BELLS, STROBELIGHTS, SPEAKERS AND PRERECORDED EVACUATION INSTRUCTION CHIPS, PERSONAL SECURITY ALARM PROTECTION SYSTEMS COMPRISED OF THEFT ALARMS, TRANSMITTERS, RECEIVERS, ALARM SOUNDERS, MOTION DETECTORS, PROXIMITY SENSORS AND SHOCK AND VIBRATION SENSORS, THEFT PREVENTION SURVEILLANCE SYSTEMS COMPRISED OF TRANSMITTERS, RECEIVERS, ALARM SOUNDERS, VIDEO CAMERAS, INFRA-RED ILLUMINATORS, MOTION DETECTORS, VIDEO MONITORS, MULTIPLEXERS, SWITCHES, RECORDERS AND LOGGING PRINTERS, AUTOMATED CONTROL SYSTEMS AND REMOTE MONITORING SYSTEMS COMPRISED OF TRANSMITTERS, RECEIVERS, PROGRAMMABLE TIMERS, POWER-FAILURE MONITORS, TELEPHONE INTERFACES FOR CONTROL-LINE ALARMS, VIA TELEPHONE LINES, TELEPHONE DIALERS FOR REPORTING ALARMS TO REMOTE LOCATIONS
Electrical and Scientific Apparatus