Graphical user interface software; human machine interfaces (HMI), in the nature of of electronic display interfaces; electronic display interfaces, namely, human machine interfaces (HMI) used as interfaces for control and automation applications and Human Machine Interface (HMI) operating software; human machine interfaces (HMI), namely, keyboards with graphic displays or touch screen displays and input/output devices for communication with technical equipment, namely, sensors and signal towers; human machine interfaces (HMI) in the nature of touch screens; switch units for motor vehicles, namely, multiplex electric switches; motor vehicle control panels comprised of numeric keypads, namely, electric control panels; motor vehicle control panels comprised of membrane keypads, namely, low power switches for electric control panels; motor vehicle control panels comprised of analog joysticks, namely, hand held multiplex electric switches; Electrical control units (ECU) for controlling hydrostatic transmissions, braking systems, servo-directions, lights, hydraulic valves, fans and DC motors in motor vehicles; automotive battery chargers; power distributing boxes; electric relays; electronic data loggers; global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; negative impedance converters, namely, electronic converters; voltage regulators; temperature sensors; keyless entry for motor vehicles, namely, keyless entry system and keyless ignition switch system for automotive vehicles comprised of a microprocessor, electronic signal receiver, and key fob with electronic signal transponder; computer software for use in tracking and monitoring motor vehicle information