Computer timing system having backup trigger switches for timing

Details Computer timing system having backup trigger switches for timing Computer timing system having backup trigger switches for timing

1988-12-07

1990-04-17

Lall, Parshotam S.

Boots, shoes, and leggings

368113, G04F 800

Patent

active

049186302

ABSTRACT:
A computer system is provided for timing contestants on a water race course. A computer interfaces through a card to four switches. A manual and an automatic switch are activated upon the contestant starting the race. Other manual and automatic switches are activated upon the contestant finishing the race. The computer has software which allows the time at which each switch is activated to be recorded and associated with the contestant. The start and finish times are determined by the respective automatic switches unless an automatic switch misfunctions, and doesn't provide a time. In that case, the start or finish time is determined from the affiliated manual switch. The software subtracts start time from finish time to yield elapse time.

REFERENCES:
patent: 4156870 (1979-05-01), Desarzens
patent: 4505595 (1985-03-01), Rose et al.

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