Alarm monitoring systems; Audio-receivers and video-receivers; Camcorders; Card readers for magnetically encoded cards; Data processing apparatus; Diagnostic apparatus for testing food; Electrical inductors; Electro-dynamic apparatus for the remote control of signals; Fire and smoke detectors; Gas testing instruments; Global positioning system (GPS); Luminous pointers; Magnetic encoded identification bracelets; Mobile data receivers; Radios; Remote video monitoring system consisting primarily...