Traffic light and back-up traffic controller

Communications: electrical – Traffic control indicator

Patent

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Details

340478, 340916, 340931, G08G 1095

Patent

active

052085848

ABSTRACT:
A traffic controller system to be utilized as a primary or a back-up unit capable of operating both with an A.C. or a D.C. power supply. The apparatus utilizes a single timing capacitor and an array of timing resistors to generate all timing information for the operation of a traffic light.

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