Vehicle speed detection system

Claim 1

IN A VEHICLE SPEED DETECTION SYSTEM INSTALLED ALONG A ROAD, IN COMBINATION, VEHICLE REPORTING MEANS ADAPTED TO REPORT A VEHICLE PASSING A PREDETERMINED POINT ON THE ROAD; ACTUATING MEANS INCLUDIING ACTUATOR RELAY SWITCH MEANS MOVABLE FROM OPEN TO CLOSED POSITION FOR ACTUATING SAID VEHICLE REPORTING MEANS; FIRST VEHICLE DETECTOR MEANS INSTALLED AT A POINT OF THE ROAD A PREDETERMINED DISTANCE FROM SAID PREDETERMINED POINT IN DIRECTION OPPOSITE TO THE DIRECTION OF TRAFFIC AND INCLUDING FIRST NORMALLY OPEN SWITCH MEANS MOVABLE TO CLOSE POSITION BY A VEHICLE PASSING SAID FIRST DETECTOR MEANS; SECOND VEHICLE DETECTOR MEANS INSTALLED AT SAID PREDETERMINED POINT OF THE ROAD AND INCLUDING SECOND NORMALLY OPEN SWITCH MEANS CHANGEABLE TO CLOSED POSITION BY A VEHICLE PASSING SAID SECOND DETECTOR MEANS, SAID SECOND DETECTOR MEANS CAUSING, WHEN SAID SECOND SWITCH MEANS ARE IN CLOSED POSITION, SAID ACTUATOR RELAY SWITCH MEANS TO MOVE TO CLOSED POSITION; ACTUATOR MEANS CHANGEABLE FROM INOPERATIVE TO OPERATIVE POSITION BY SAID FIRST SWITCH MEANS BEING MOVE TO CLOSED POSITION AND REMAINING NON-RESPONSIVE TO REPEATED CLOSING OF SAID FIRST SWITCH MEANS UNLESS SAID ACTUATOR MEANS ARE RETURNED TO INOPERATIVE POSITION; FIRST TIMER MEANS CONTROLLED BY SAID ACTUATOR MEANS SO AS TO BE STARTED TO OPERATE WHEN THE LATTER ARE CHANGED TO OPERATIVE POSITION AND RETURNING SAID ACTUATOR MEANS TO INOPERATIVE REFERENCE TIME PERIOD, SAID PREDETERMINED REFERENCE TIME PERIOD BEING THE TIME REQUIRED BY A VEHICLE TRAVELLING FROM SAID FIRST TO SAID SECOND VEHICLE DETECTOR MEANS AT MAXIMUM PERMISSIBLE SPEED; AND SECOND TIMER MEANS CONTROLLED BY SAID FIRST TIMER MEANS SO AS TO BE STARTED TO OPERATE AT THE END OF SAID PREDETERMINED TIME PERIOD AND BLOCKING SAID ACTUATOR MEANS FROM BEING CHANGED TO OPERATIVE POSITION FOR A PREDETERMINED ADDITIONAL TIME PERIOD.