Communications: electrical – Land vehicle alarms or indicators – External alarm or indicator of movement
Patent
1996-08-27
1998-03-24
Hofsass, Jeffery
Communications: electrical
Land vehicle alarms or indicators
External alarm or indicator of movement
340472, 340475, 340478, B60Q 134
Patent
active
057317550
ABSTRACT:
A U-turn indicator having a series of sequentially illuminated lights forming the shape of `U`. The indicator is for vehicles or vehicle travel paths. In combination with a vehicle, a plurality of indicators is used. Preferably, an anterior non-inverted `U`, a posterior inverted `U`, and a side laterally dispositioned `U`. In combination with vehicle travel paths, an inverted `U` indicator is used in conjunction with a conventional traffic light or the equivalent. The U-turn indicator is activated by an actuator (a operator accessible switch in a vehicle or a vehicle presence sensor in the path). The control module responds to the actuator and generates a control signal, thus sequentially illuminating the series of lights.
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Hofsass Jeffery
Litman Richard C.
Wu Daniel J.
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