An intelligent sensor module with an electrical sensor element and a printed circuit board comprises a bipartite guiding means through which electrical connecting wires are guided to the printed circuit board in an insulated fashion at a certain spacing from one another. Each of the blind slats is formed of a flexible embodiment with a locating member attached at both shorter lateral sides thereon respectively to be registered with the retaining hole of the of the leftright side brackets thereof so as to attach the blind slat onto the doorwindow frame thereby. The Interlock may be a spring-mounted interlock. The equalizer gain values are determined based on the detection signals.