73703643
Dec 31, 1987
Apr 25, 1989
ELECTRONIC SECURITY SYSTEMS FOR STORES COMPRISING TRANSMITTING AND RECEIVING ANTENNAS, ASSOCIATED MICROPROCESSOR-CONTROLLED ELECTRONIC CIRCUITRY, POWER SUPPLIES, ALARM SIGNALIZATION, CONVENTIONAL AND FIBER OPTIC CABLING, AND TAGS AND LABELS USED TO TRIGGER SYSTEM ALARMS
Electrical and Scientific Apparatus