TRAFFIC SIGNAL CONTROL SYSTEM
PROBLEM TO BE SOLVED: To provide a traffic signal control system which interlockingly controls traffic lights at right timing according to a flow of vehicles, by outputting interlock signals from a traffic signal control base unit to a plurality of traffic signal control child units, at different ti...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a traffic signal control system which interlockingly controls traffic lights at right timing according to a flow of vehicles, by outputting interlock signals from a traffic signal control base unit to a plurality of traffic signal control child units, at different timings. SOLUTION: The traffic signal control system includes the traffic signal control base unit 22 which is located at an intersection 1 and a plurality of traffic signal control child units 26, 29 located at a downstream side or an upstream side of a travelling direction of the vehicle in the intersection 1. The traffic signal control base unit 22 outputs the interlocking signals to each of the traffic signal control child units 26, 29, at different timings. Each of the traffic signal control child units 26, 29 switch-controls an operation of the traffic light by synchronizing steps according to the interlocking signals. COPYRIGHT: (C)2011,JPO&INPIT |
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