Vehicle warning sign system

Details Vehicle warning sign system Vehicle warning sign system

1998-03-18

2000-05-02

Wu, Daniel J.

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in one vehicle only

340902, 340906, 340994, G08G 100

Patent

active

060577851

ABSTRACT:
A vehicle warning sign system for alerting motorists of the existence of a vehicle, such as a school bus, stopped ahead, the system including a transmitter attached to the vehicle for transmitting a wireless signal to a receiver mounted on a sign structure, the sign structure having at least one visual indicator coupled to the receiver for producing a visual signal, the sign structure having an energy source coupled to the visual indicator and the receiver, and the visual indicator being activated when the receiver receives the wireless signal.

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