Traffic light control buffer
First Claim
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1. IN A TRAFFIC LIGHT CONTROL SYSTEM, CONTROLLER MEANS AND STEPPING SWITCH MEANS, SAID CONTROLLER MEANS ACTUATING SAID SWITCH MEANS FOR ADVANCING A TRAFFIC LIGHT DISPLAY THROUGH A CYCLE INCLUDING A PLURALITY OF LIGHT ENERGIZING PERIODS IN RESPONSE TO A SERIES OF CLOCK PULSES, SAID CONTROLLER MEANS COMPRISING:
- A PLURALITY OF REGISTERS, EACH ONE CAPABLE OF STORING NUMBERS REPRESENTING THE DURATION OF A LIGHT ENERGIZING PERIOD OF SAID CYCLE;
AND COUNTING MEANS FOR COUNTING A NUMBER OF SAID CLOCK PULSES CORRESPONDING TO THE NUMBER STORED IN EACH ONE OF SAID REGISTERS AND FOR PROVIDING A CONTROL SIGNAL TO ADVANCE SAID TRAFFIC LIGHT DISPLAY AT THE COMPLETION OF EACH CLOCK PULSE COUNT CORRESPONDING TO SAID NUMBERS STORED IN SAID REGISTERS.
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1 Claim
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1. IN A TRAFFIC LIGHT CONTROL SYSTEM, CONTROLLER MEANS AND STEPPING SWITCH MEANS, SAID CONTROLLER MEANS ACTUATING SAID SWITCH MEANS FOR ADVANCING A TRAFFIC LIGHT DISPLAY THROUGH A CYCLE INCLUDING A PLURALITY OF LIGHT ENERGIZING PERIODS IN RESPONSE TO A SERIES OF CLOCK PULSES, SAID CONTROLLER MEANS COMPRISING:
- A PLURALITY OF REGISTERS, EACH ONE CAPABLE OF STORING NUMBERS REPRESENTING THE DURATION OF A LIGHT ENERGIZING PERIOD OF SAID CYCLE;
AND COUNTING MEANS FOR COUNTING A NUMBER OF SAID CLOCK PULSES CORRESPONDING TO THE NUMBER STORED IN EACH ONE OF SAID REGISTERS AND FOR PROVIDING A CONTROL SIGNAL TO ADVANCE SAID TRAFFIC LIGHT DISPLAY AT THE COMPLETION OF EACH CLOCK PULSE COUNT CORRESPONDING TO SAID NUMBERS STORED IN SAID REGISTERS.
- A PLURALITY OF REGISTERS, EACH ONE CAPABLE OF STORING NUMBERS REPRESENTING THE DURATION OF A LIGHT ENERGIZING PERIOD OF SAID CYCLE;
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Current AssigneeRobert A. Jensen, Wilbur J. Levine
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Original AssigneeRobert A. Jensen, Wilbur J. Levine
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InventorsJensen, Robert A., Levine, Wilbur J.
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Application NumberUS04/363,147Time in Patent Office1,008 DaysField of SearchUS Class Current340/913CPC Class CodesG08G 1/081 Plural intersections under ...
