Automated traffic control system having an interactive...

Details Automated traffic control system having an interactive... Automated traffic control system having an interactive...

2006-01-17

2006-01-17

Hofsass, Jeffery (Department: 2636)

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in another vehicle

C340S933000, C200S019170

Reexamination Certificate

active

06987464

ABSTRACT:
A traffic priority defining system implemented by emergency vehicles at an intersection. A signal, designated the second electronic signal, post emanation, is electronically verified as to source and sent to the controller for a traffic control device, such as a tricolor traffic light, to override the primary signal operating the traffic light for opposing traffic. One of the colored lights, usually yellow, is actuated to a second operational mode, to display an icon of an emergency situation. The specified color light's incandescent bulb resumes normal full to yield a yellow glow at the proper time.

REFERENCES:
patent: 4271408 (1981-06-01), Teshima et al.
patent: 4704610 (1987-11-01), Smith et al.
patent: 2004/0008127 (2004-01-01), Manavi et al.
patent: 2005/0128104 (2005-06-01), Karabinis

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