Patent ID: 7331141

Claim:
A control apparatus for automatic sliding doors, wherein the control apparatus may be used with a plurality of door brands and models, the control apparatus comprising: a chassis mounted to a door header; a control box mounted on said chassis, the control box includes a sensor cable assembly and an input/output cable assembly and provides a universal signal interface with means for interpreting sensor signals from a plurality of automatic door models; a motorized pulley mounted on said chassis, wherein the motorized pulley is controlled by said control box; an idler pulley mounted to the door header; a drive medium that revolves on said idler pulley and is moved by said motorized pulley; at least one drive medium bracket that is fastened to the drive medium with a clamp, wherein the bracket is attached to a sliding door; and said chassis includes a mounting means which mounts said control box and motorized pulley in different spatial configurations relative to each other, and the control apparatus is retrofitted to existing automatic doors in service, independent of the make and model of said doors.