INSTALLATION BURGLAR ALARMS

Brand Owner (click to sort) Address Description
ALARM DOCTOR STUART DAVID GARONZIK 17319 FALLS ROAD UPPERCO MD 21155 installation of burglar alarms and related security devices;
BULWARK SECURITY Bulwark Home Security 5810 S Sosssaman Rd, Ste 106 Mesa AZ 85212 Installation of burglar alarms, fire alarms, medical alarms and other security system alarms;security;
PROTECTED BY GUARDIAN BURGLAR ALARM 1-800-STAY-OUT Guardian Alarm Company 16101 Schaefer Detroit MI 48235 installation of burglar alarms and burglar alarm protection services;PROTECTED BY, BURGLAR ALARM, and 1-800;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A burglar alarm includes a main unit provided with a power supply voltage regulator circuit, a CPU circuit, an FET driving circuit, and an RLC oscillation circuit to convert digital code signals into analog signals, which are amplified and then carried via a power cord; and a decoding horn provided with a power supply voltage regulator circuit, a reference voltage circuit, an RLC oscillation circuit, a comparison circuit, a CPU circuit, and a horn voice driving circuit to decode and compare a received burglar-alarming signal and drive a horn to make vocal and sounding warnings. The burglar alarm is controlled via different frequencies that represent codes 1 and 0, or a base frequency and different pulse widths representing codes 1 and 0, so that the signals are carriable via the power cord without interference from noise on the power word.