Drag race reaction timer

Details Drag race reaction timer Drag race reaction timer

1982-09-29

1984-06-26

Roskoski, Bernard

Horology: time measuring systems or devices

Controlled by a disparate device

Electrical device

368 10, 368107, 368110, G04B 4700, G04F 800

Patent

active

044563833

ABSTRACT:
A drag race reaction timer including a displacement measuring means comprising a roller contained within a housing and a switch operable upon contact with said roller. Circuitry is provided to activate yellow and green lamps simulating the start of a drag race and to determine the time difference between the appearance of the green lamp and displacement of the auto by a predetermined distance. If the auto moves the predetermined distance before the appearance of the green light, a red light is activated.

REFERENCES:
patent: 402291 (1889-04-01), Adams
patent: 2388387 (1945-11-01), Cohen
patent: 3054614 (1962-09-01), Dean
patent: 3643158 (1972-02-01), Kroner et al.

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