Traffic control device transmitter, receiver, relay and...

Details Traffic control device transmitter, receiver, relay and... Traffic control device transmitter, receiver, relay and...

2007-01-23

2007-01-23

Tweel, Jr., John (Department: 2636)

Communications: electrical

Traffic control indicator

C340S905000, C340S539130, C340S005800

Reexamination Certificate

active

10791331

ABSTRACT:
A traffic control device information display system and method. In one embodiment, a receiver receives information about a traffic control device, a processor processes the received information to determine identification information for the traffic control device and to determine if the traffic control device has been improperly moved or knocked down, and a display displays the identification information to an operator and indicates if the traffic control device has been improperly moved or knocked down.

REFERENCES:
patent: 5712632 (1998-01-01), Nishimura et al.
patent: 5973616 (1999-10-01), Grebe et al.
patent: 6008741 (1999-12-01), Shinagawa et al.
patent: 6055478 (2000-04-01), Heron
patent: 6243644 (2001-06-01), Dengler
patent: 6442473 (2002-08-01), Berstis et al.
patent: 6747574 (2004-06-01), Butzer et al.

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