9 Electrical, electronic and electro-mechanical aid instruments for measuring, signaling, controlling and regulating passenger elevators and freight elevators, escalators and conveyors, namely electrical load measuring sensors, electrical controllers, electro-mechanical controls, optical and acoustic display apparatus, namely lighting metering diode displays, electric luminescent display panels, signaling bells, emergency warning lights, signaling transmitters; electro-magnetic switching and actuating apparatus, namely electric switch plates, electric light switches, electronic motion sensitive switches, electronic touch sensitive switches, elevator car operating panels, remote controls; electrical transformers; apparatus for electronic data processing and associated recorded and unrecorded data carriers, namely data processors, microprocessors, computer hardware memory cards, magnetic computer tapes; access control apparatus for passenger elevators and freight elevators, escalators and conveyors