Door having a flexible curtain and a wireless emitter inside the curtain

A door system comprising a flexible curtain and a structure, said structure including uprights for guiding said flexible curtain, the flexible curtain having a ballasting and sealing element, a free end provided with said ballasting and sealing element, and at least one reinforcing element parallel to the ballasting and sealing element, wherein the door system also comprises a driving unit supported by the structure, the driving unit being configured to drive the curtain between an opening position and a closing position, and a detection unit configured to detect an encounter of the curtain with an obstacle, said encounter causing, when the detection unit is activated, a stopping or a reverse displacement of the curtain, the detection unit being carried at least partly by the reinforcing element which is integrated within a lower part of the curtain, the detection unit being situated upstream of the ballasting and sealing element along a closing trajectory of the curtain between the reinforcing element and the ballasting and sealing element, wherein the curtain includes at least one emitter, said at least one emitter cooperating with the detection unit in order to emit a radio signal following a triggering of the detection unit, the radio signal emitted by said at least one emitter being received by at least one receiver cooperating with the driving unit, and the curtain comprises at least one support member adjacent one of the uprights in order to support said at least one emitter in a lateral area of the curtain, and wherein said at least one emitter is arranged inside the curtain, and wherein the curtain comprises an inspection shutter arranged to permit access to the at least one emitter through a cutout arranged on one face of the flexible curtain, and wherein the curtain includes at least one flexible pocket therein containing the at least one emitter.