Collision avoidance system

Details Collision avoidance system Collision avoidance system

1990-08-22

1993-09-28

Crosland, Donnie L.

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in another vehicle

340435, 340556, 340961, 342107, 356 3, 358108, 358110, 358113, G08G 116, B60Q 100

Patent

active

052491579

ABSTRACT:
A collision avoidance system particularly suited for automotive applications includes an electro-optical rangefinder scanner, retroreflectors on target vehicles, and a processing unit. The rangefinder supplies data on the range and angle of target vehicles to the processor, which monitors each target vehicle's position, speed and acceleration and constantly determines and updates target range, angle, velocity, acceleration and predicted separation distances. A warning signal or evasive manuever instructions are issued if the predicted separation at the time of intercept is below a minimum acceptable value.

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patent: 4621705 (1986-11-01), Etoh
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patent: 5039217 (1991-08-01), Maedawa et al.
"Taking the Crush Out of Rush Hour" High Technology Business, Mar. 1989, pp. 26-30.
"Laser Ranging Device Keeps Cars Apart" Arndt, Photonics Spectra, Jul. 1990, pp. 133-134.
Proposal-Center for Intelligent Highway Systems and Autonomous Vehicles, Texas Transportation Inst. Aug. 1990.

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