| 摘要 |
a) The invention relates to an audible warning-decelerator device intended for equipping a traffic lane; b) characterised in that it comprises: - a detector 2 placed on the traffic lane 1 in order to be put into operation by the passage of a vehicle and to emit a detection signal S, - a retractable obstacle 3, 31, 32 placed on the traffic lane 1 downstream from the detector 2 at a known distance 2, from the latter, - a processing and control circuit 4 receiving the detection signal S in order to process it and, on the basis of this processing, to create a control signal Sc for operating the retractable obstacle 3, 31, 32. <IMAGE> |
