9 Automatic control apparatus for use in opening and closing doors, gates, road bars and barriers, namely, electronic access control systems, operator controllers being electrical controlling devices for doors, gates, road bars, and barriers, electric control panels, and electric actuators; parts and accessories thereof, namely, photocells, remote controls for opening and closing doors, gates, road bars and barriers, keypads for use with electric door openers and closers, electric key switches, push-button stations being electric push button switches, sensors and detector units for use in controlling actuation and operation of doors, gates, road bars, and barriers, safety reflectors being luminous signs for safety purposes, flashing and steady safety lights, junction boxes, electric junction box housings, intercoms, video monitors, renewable battery system to provide backup power, encoding and decoding apparatus and instruments, ultrasonic object detectors for detecting motion and door, gate, road bar, and barrier obstructions, radio receivers for remote controls, interactive touch screen terminals, and electric buzzers