Racecar timing and track condition alert system and method

Details Racecar timing and track condition alert system and method Racecar timing and track condition alert system and method

1990-10-03

1993-08-31

Black, Thomas G.

Boots, shoes, and leggings

340323R, 368 6, G04F 808, G08B 108

Patent

active

052414876

ABSTRACT:
In a preferred embodiment, one or more timing stations disposed around a racecar track. At each station, a timing signal in the form of a repeating or oscillating beam of laser light causes a photodetector mounted on a racecar to turn on and off, the photodetector outputting a stream of electrical pulses. A microprocessor associated with the photodetector receives the stream of pulses, determines the real time when the signal is received, and stores that real time. When the microprocessor receives an RF polling signal, unique to that racecar, from a base station, the microprocessor transmits the real time data to the base station. When a second timing signal is received from the same or a second timing station, a second real time is determined, stored, and transmitted to the base station. The base station then computes the difference between the two real times. The base station processes data from all racecars in a race by sequentially polling the racecars. Different pulse rates are employed at different timing stations and recognized by the microprocessors so that lap time, total time, time through corners, and time in pit stops can be determined for each racecar. In a further embodiment, there is provided an on-board track condition display responsive to signals transmitted from the base station to the racecars.

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