Communications: electrical – External condition vehicle-mounted indicator or alarm – Transmitter in another vehicle
Patent
1992-11-24
1994-08-16
Peng, John K.
Communications: electrical
External condition vehicle-mounted indicator or alarm
Transmitter in another vehicle
340904, 340942, 340936, 340556, 180169, 367909, 342 70, G08G 116
Patent
active
053390750
ABSTRACT:
An apparatus for alerting the driver of a vehicle to the presence of another vehicle in an adjacent lane while changing lanes, in which an ultrasonic transmitter emits acoustic energy which, if reflected from an adjacent vehicle within a zone of coverage, is received on an ultrasonic receiver and processed to produce an audible warning to the driver indicative of the relative speed and position of the adjacent vehicle. One of three distinct audible warning tones alerts the driver to an approaching vehicle, a receding vehicle, or a vehicle whose relative speed is the same.
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Abst Terrill
Keilen Don H.
Abst Terrill
O'Banion John P.
Peng John K.
Tong Nina
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