Communications: electrical – Vehicle parking indicators
Patent
1991-02-14
1993-05-04
Ng, Jin F.
Communications: electrical
Vehicle parking indicators
340943, G08G 114
Patent
active
052085864
ABSTRACT:
An apparatus for helping a vehicle operator park or otherwise spot a vehicle at a pre-determined vehicle location. The apparatus includes an ultrasonic pulse generator and receiver which sends a succession of ultrasonic sound pulses into a target area and receives echoes reflected from the vehicle and the surrounding environment. A control circuit then determines from these echoes whether the vehicle has reached its pre-determined vehicle spot. If it has, then at least one alarm is sounded to alert the operator to this fact and allow the vehicle to be brought to a halt.
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Boulos Charles A.
Friberg Nathan J.
Friberg Nathan J.
Miller James W.
Ng Jin F.
Oda Christine K.
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