Light emitting traffic sign having vehicle sensing capabilities

Details Light emitting traffic sign having vehicle sensing capabilities Light emitting traffic sign having vehicle sensing capabilities

2006-12-12

2006-12-12

La, Anh V. (Department: 2636)

Communications: electrical

Traffic control indicator

C340S905000, C340S933000, C340S936000

Reexamination Certificate

active

07148813

ABSTRACT:
A traffic system for alerting a driver of a motor vehicle to a traffic sign includes a sensor, a light source and a control unit. The sensor provides a motor vehicle detection signal and the control unit illuminates the light source responsive to the motor vehicle detection signal.

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patent: 6243644 (2001-06-01), Dengler
patent: 6559774 (2003-05-01), Bergan et al.

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