Traffic supervisory system
First Claim
1. TRAFFIC SURVEILLANCE SYSTEM FOR SERVEYING VEHICULAR TRAFFICE SPEED AND VOLUME CONDITIONS OVER A HIGHWAY FACILITY AND COMPRISING A TRAFFICE SAMPLING STATION HAVING VEHICULAR SPEED AND PASSAGE DETECTION APPARATUS FOR PRODUCING ELECTRICAL SIGNALS INDICATIVE OF THE SPEED AND PASSAGE OF MOVING VEHICLES, MEANS FOR COMBINING THE SPEED AND PASSAGE SIGNALS TO PRODUCE A COMPOSITE ELECTRICAL SIGNAL, SAID COMBINING MEANS INCLUDING MAKE-BEFORE-BREAK RELAY CIRCUIT MEANS ACTIVIATED RESPONSIVE TO THE SAID PASSAGE SENSING DETECTION APPARATUS OUTPUT SIGNALS, OSCILLATION MEANS OPERABLY RESPONSIVE TO THE ACTIVATED RELAY MEANS FOR PRODUCING AN OSCILLATORY SIGNAL OUTPUT, AND OUTPUT CIRCUIT MEANS FOR RECEIVING THE OSCILLATORY SIGNAL INDICATIVE OF THE TRAFFIC PASSAGE AND THE SPEED SIGNAL INDICATIVE OF THE VEHICLE SPEED AND PRODUCING THEREFROM THE OUTPUT COMPOSITE ELECTRICAL SIGNAL, MEANS FOR TRASMITTING THE COMPOSITE ELECTRICAL SIGNAL ALONG A PRE-DETERMINED TRANSMISSION PATH, A REMOTE SAMPLINGSTATION MONITOR FOR RECEIVING THE TRANSMITTED COMPOISTE ELECTRICAL SIGNAL AND COMPRISING A SIGNAL RESOLVER FOR RECEIVING AND RESOLVING THE COMPOSITE SIGNAL INTO THE TRAFFICE PASSAGE ELECTRICAL SIGNALS AND SPEED ELECTRICAL SIGNALS,
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Accused Products
14 Citations
1 Claim
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1. TRAFFIC SURVEILLANCE SYSTEM FOR SERVEYING VEHICULAR TRAFFICE SPEED AND VOLUME CONDITIONS OVER A HIGHWAY FACILITY AND COMPRISING A TRAFFICE SAMPLING STATION HAVING VEHICULAR SPEED AND PASSAGE DETECTION APPARATUS FOR PRODUCING ELECTRICAL SIGNALS INDICATIVE OF THE SPEED AND PASSAGE OF MOVING VEHICLES, MEANS FOR COMBINING THE SPEED AND PASSAGE SIGNALS TO PRODUCE A COMPOSITE ELECTRICAL SIGNAL, SAID COMBINING MEANS INCLUDING MAKE-BEFORE-BREAK RELAY CIRCUIT MEANS ACTIVIATED RESPONSIVE TO THE SAID PASSAGE SENSING DETECTION APPARATUS OUTPUT SIGNALS, OSCILLATION MEANS OPERABLY RESPONSIVE TO THE ACTIVATED RELAY MEANS FOR PRODUCING AN OSCILLATORY SIGNAL OUTPUT, AND OUTPUT CIRCUIT MEANS FOR RECEIVING THE OSCILLATORY SIGNAL INDICATIVE OF THE TRAFFIC PASSAGE AND THE SPEED SIGNAL INDICATIVE OF THE VEHICLE SPEED AND PRODUCING THEREFROM THE OUTPUT COMPOSITE ELECTRICAL SIGNAL, MEANS FOR TRASMITTING THE COMPOSITE ELECTRICAL SIGNAL ALONG A PRE-DETERMINED TRANSMISSION PATH, A REMOTE SAMPLINGSTATION MONITOR FOR RECEIVING THE TRANSMITTED COMPOISTE ELECTRICAL SIGNAL AND COMPRISING A SIGNAL RESOLVER FOR RECEIVING AND RESOLVING THE COMPOSITE SIGNAL INTO THE TRAFFICE PASSAGE ELECTRICAL SIGNALS AND SPEED ELECTRICAL SIGNALS,
Specification
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- Resources
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Current AssigneeJohn L. Barker
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Original AssigneeJohn L. Barker
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InventorsBarker, John L.
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Application NumberUS03/658,704Time in Patent Office2,983 DaysField of SearchUS Class Current342/59CPC Class CodesG08G 1/0104 Measuring and analyzing of ...
