Warning system for racetrack

Details Warning system for racetrack Warning system for racetrack

1989-03-17

1990-08-14

Crosland, Donnie L.

Communications: electrical

Systems

Game reporting

340902, 340905, 340908, G08B 2300

Patent

active

049490672

ABSTRACT:
A race hazard condition alerting system includes a transmitter actuated by a flagman or other race official and a sufficient number of receiver units so that each race car will have a receiver unit. The transmitter transmits a coded signal, which can be received everywhere along the race course, to correspond to a red, yellow, or green flag condition. The receiver units, which are each self-contained with a built-in power supply, receive and decode the signal and then switch on green, yellow, or red lamps. This system provides the race competitors with substantially instantaneous alerting to any hazard condition on the track. In a preferred embodiment, a flash capability is included. The transmitter can also operate a trackside warning light system.

REFERENCES:
patent: 2442851 (1948-06-01), Halstead
patent: 3233217 (1966-02-01), Bost
patent: 3772641 (1973-11-01), Grosser et al.
patent: 3824469 (1974-07-01), Ristenbatt
patent: 4100529 (1978-07-01), Evans
patent: 4196412 (1980-04-01), Sluis et al.
patent: 4438429 (1984-03-01), Park

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