73390822
Sep 28, 1982
ELECTRONIC SURVEILLANCE APPARATUS INCORPORATING RADIO TRANSMISSION AND/OR RECEIVING APPARATUS IN THE AUDIO FREQUENCY RANGES INCLUDING TRANSMITTERS AND/OR RECEIVERS CARRIED UPON THE PERSONAND/OR IN A VEHICLE TOGETHER WITH SUPPLYSOURCES THEREFORE UTILIZED FOR EMERGENCYALARM SYSTEMS IN TACTICAL SITUATIONS ANDFOR THE PROTECTION OF INDIVID UALS AND INCLUDING BEEP TONE CAPABILITY FOR TRACKING OF THE UNIT
Electrical and Scientific Apparatus