Traffic controllers employing static, logic control elements

Claim 1

A TRAFFIC CYCLE CONTROLLER FOR USE AT AN INTERSECTION OF A MAIN STREET AND A CROSS STREET, SAID CROSS STREET HAVING TRAFFIC ACTUABLE DETECTORS THEREIN, A TRAFFIC SIGNAL FOR EACH DIRECTION OF TRAFFIC AT THE INTERSECTION, EACH SAID SIGNAL HAVING AT LEAST A STOP, GO, AND CAUTION SIGNAL INDICATION, SAID SIGNALS CONNECTED TO SAID TRAFFIC CYCLE CONTROLLER AND ADAPTED TO BE ENERGIZED THEREFROM, SAID CONTROLLER HAVING A FIRST SATURABLE CORE REACTOR TIMING MEANS CONNECTED TO BE STARTED AFTER ACTUATION OF ONE OF SAID TRAFFIC ACTUABLE DETECTORS AND TO CAUSE SAID CAUTION SIGNAL TO SAID MAIN STREET TO BE ENERGIZED AND TIMED, A SECOND SATURABLE CORE REACTOR TIMING MEANS CONNECTED TO BE STARTED BY SAID FIRST TIMING MEANS AFTER IT HAS TIMED OUT, SAID SECOND TIMING MEANS ADAPTED TO CAUSE SAID GO SIGNAL TO SAID CROSS STREET TO BE ENERGIZED AND TIMED, AND A THIRD SATURABLE CORE REACTOR TIMING MEANS CONNECTED TO BE STARTED BY SAID SECOND TIMING MEANS AFTER IT HAS TIMED OUT, SAID THIRD TIMING MEANS ADAPTED TO CAUSE SAID CAUTION SIGNAL TO SAID CROSS STREET TO BE ENERGIZED AND TIMED, A FOURTH SATURABLE CORE REACTOR TIMING MEANS CONNECTED TO BE STARTED BY SAID THIRD TIMING MEANS AFTER IT HAS TIMED OUT, SAID FOURTH TIMING MEANS ADAPTED TO CAUSE SAID GO SIGNAL TO SAID MAIN STREET TO BE ENERGIZED AND TIMED FOR A GUARANTEED MINIMUM INTERVAL, AT A FIFTH SATURABLE CORE REACTOR TIMING MEANS CONNECTED TO BE STARTED BY SAID SECOND TIMING MEANS WHEN SAID SECOND TIMING MEANS TIMES OUT, SAID FIFTH TIMING MEANS ADAPTED TO CAUSE SAID GO SIGNAL TO SAID CROSS STREET TO CONTINUE TO BE ENERGIZED AND TO BE TIMED FOR AN EXTENDABLE INTERVAL, SAID FIFTH TIMING MEANS ADAPTED TO BE RESET AFTER ACTUATION OF ONE OF SAID TRAFFIC ACTUABLE DETECTORS WHILE SAID FIFTH TIMING IS TIMING.