data encoded access control card readers and components for use therewith; data gathering multiplex systems comprising transponders, annunciators, multiplexers and controllers; electronic voting systems comprising programmable logic controllers, microprocessors, audio amplifiers, mixers, microphones, loud speakers, visual displays and voting stations; graphic annunciators in the nature of personal computer monitors, touchscreen monitors, and annunciator panels comprised of illustrated overlay membranes or display panels; integrated graphic control panels for use electronic controls and audio and visual annunciators; telephones and communication apparatus, namely, intercom panels and stations; lighting control systems comprising remote relay control of lighting and power circuits; microprocessor based controls comprising power supplies, relays, programmable logic controllers, computers, monitors, touchscreens and control panels
data encoded access control card readers and components for use therewith; data gathering multiplex systems comprising transponders, annunciators, multiplexers and controllers; electronic voting systems comprising programmable logic controllers, microprocessors, audio amplifiers, mixers, microphones, loud speakers, visual displays and voting stations; graphic annunciators in the nature of personal computer monitors, touchscreen monitors, and annunciator panels comprised of illustrated overlay membranes or display panels; integrated graphic control panels for use electronic controls and audio and visual annunciators; telephones and communication apparatus, namely, intercom panels and stations; lighting control systems comprising remote relay control of lighting and power circuits; microprocessor based controls comprising power supplies, relays, programmable logic controllers, computers, monitors, touchscreens and control panels
data encoded access control card readers and components for use therew...