Traffic light controller
First Claim
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14. A REMOTE-CONTROL SYSTEM FOR ACTUATING AN AUTOMATIC TRAFFIC-LIGHT CONTROLLER TO PRESENT A "GO" LIGHT IN A FAVORED DIRECTION OF TRAVEL DETERMINED FROM A REMOTE POSITION OBSERVING THE CONTROLLED INTERSECTION, SAID CONTROLLER HAVING A SWITCHING DIAL ROTATED BY POWER FROM A POWER SOURCE AND CYCLICALLY ACTUATING A STEPPING MOTOR FOR STEPPING AROUND A SHAFT HAVING ROTARY SWITCHES EACH CONTROLLING ONE OF THE TRAFFIC LIGHTS OF SAID INTERSECTION, SAID REMOTECONTROL SYSTEM COMPRISING AT THE REMOTE POSITION A TRANSMITTER FOR EMITTING A CARRIER SIGNAL AND INCLUDING PLURAL MODULATION MEANS EACH SELECTIBLE TO UNIQUELY MODULATE THE CARRIER SIGNAL TO INDICATE A FAVORED DIRECTION OF TRAVEL;
- AND SAID CONTROL SYSTEM COMPRISING AT SAID CONTROLLER PULSATING MEANS;
RECEIVER MEANS FOR RECEIVING THE MODULATED CARRIER SIGNAL, PLURAL TUNED MODULATION-SENSITIVE MEANS CONNECTED TO THE RECEIVER AND EACH RESPONSIVE TO THE PRESENCE OF A UNIQUE MODULATION TO OPERATE A PLURALITY OF ASSOCIATED CONTACTS IN EACH TUNED MEANS, INCLUDING FIRST NORMALLY-CLOSED CONTACTS COUPLING THE SWITCHING DIAL TO THE STEPPING MOTOR AND OPENING TO BREAK SAID COUPLING WHEN A TUNED MEANS IS ACTUATED, SECOND NORMALLY-OPEN CONTACTS CLOSING WHEN THE TUNED MEANS IS ACTUATED TO CON-
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14 Claims
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14. A REMOTE-CONTROL SYSTEM FOR ACTUATING AN AUTOMATIC TRAFFIC-LIGHT CONTROLLER TO PRESENT A "GO" LIGHT IN A FAVORED DIRECTION OF TRAVEL DETERMINED FROM A REMOTE POSITION OBSERVING THE CONTROLLED INTERSECTION, SAID CONTROLLER HAVING A SWITCHING DIAL ROTATED BY POWER FROM A POWER SOURCE AND CYCLICALLY ACTUATING A STEPPING MOTOR FOR STEPPING AROUND A SHAFT HAVING ROTARY SWITCHES EACH CONTROLLING ONE OF THE TRAFFIC LIGHTS OF SAID INTERSECTION, SAID REMOTECONTROL SYSTEM COMPRISING AT THE REMOTE POSITION A TRANSMITTER FOR EMITTING A CARRIER SIGNAL AND INCLUDING PLURAL MODULATION MEANS EACH SELECTIBLE TO UNIQUELY MODULATE THE CARRIER SIGNAL TO INDICATE A FAVORED DIRECTION OF TRAVEL;
- AND SAID CONTROL SYSTEM COMPRISING AT SAID CONTROLLER PULSATING MEANS;
RECEIVER MEANS FOR RECEIVING THE MODULATED CARRIER SIGNAL, PLURAL TUNED MODULATION-SENSITIVE MEANS CONNECTED TO THE RECEIVER AND EACH RESPONSIVE TO THE PRESENCE OF A UNIQUE MODULATION TO OPERATE A PLURALITY OF ASSOCIATED CONTACTS IN EACH TUNED MEANS, INCLUDING FIRST NORMALLY-CLOSED CONTACTS COUPLING THE SWITCHING DIAL TO THE STEPPING MOTOR AND OPENING TO BREAK SAID COUPLING WHEN A TUNED MEANS IS ACTUATED, SECOND NORMALLY-OPEN CONTACTS CLOSING WHEN THE TUNED MEANS IS ACTUATED TO CON-
- AND SAID CONTROL SYSTEM COMPRISING AT SAID CONTROLLER PULSATING MEANS;
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Current AssigneeElmasian Living Trust
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Original AssigneeJames E. Ramsey
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InventorsRamsey, James E.
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Application NumberUS04/177,413Time in Patent Office645 DaysField of SearchUS Class Current340/906CPC Class CodesG08G 1/087 Override of traffic control...
