Communications: electrical – External condition vehicle-mounted indicator or alarm – Transmitter in another vehicle
Patent
1995-06-16
1998-01-20
Hofsass, Jeffery
Communications: electrical
External condition vehicle-mounted indicator or alarm
Transmitter in another vehicle
340556, 340557, 180167, 2504911, G08G 116
Patent
active
057105537
ABSTRACT:
The present invention relates to an apparatus and method for detecting when an object is in a path of a vehicle by transversely transmitting a light beam from the uppermost portion of the vehicle towards the object. The light beam contacts the object when the distance to the object from the ground is smaller than the height of the vehicle and the object is in the path of the vehicle. The reflected beam can be observed by a person in the vehicle alerting the person of insufficient clearance for the vehicle. Preferably, the light beam is a collimated beam emitted from a semiconductor laser diode.
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Hofsass Jeffery
Wu Daniel J.
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