Digital traffic coordinator

Details Digital traffic coordinator Digital traffic coordinator

G - Physics

08

G

340/41

G08G 1/07 (2006.01) G08G 1/082 (2006.01)

Patent

CA 1076228

ABSTRACT OF THE DISCLOSURE Traffic control systems often employ a master controller which can control the signalization at numerous intersections within a network or pattern of related traffic flow. Generally these systems utilize a coordinator at each intersection which determines the background cycle length of the signalization and certain programmed functions for the intersection. The master controller provides control information to the coordinator which, in turn, regulates the local controller in accordance with this and other input information. A coordinator according to the invention includes a pulse counter for counting between 0 and 99 upon receipt of counting pulses and has output means for creating a distinct signal upon counting to each digit in the range of 0 to 99. There is further provided means for controlling the frequency of the counting pulses to a frequency equal to one hundred divided by the time of a desired background cycle in seconds and decoding means for creating the selected logic conditions in output circuits when the counter counts to a selected number in the range of 0 to 99.

265597

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