Device for preventing drunken driving of vehicle

Details Device for preventing drunken driving of vehicle Device for preventing drunken driving of vehicle

1973-10-10

1976-03-02

Caldwell, John W.

Communications: electrical

Selective

Having indication or alarm

180 99, 307 10R, 317134, 340279, B60R 2504

Patent

active

039421511

ABSTRACT:
An electric circuitry tests the memory and visual capabilities of a driver shutting off the engine if he fails in the test. Digits are flashed one at a time at random on a screen for the driver to memorize. A full set of digits is then flashed in numerical order one at a time for the driver to press a button when each of the memorized digits reappears on the screen.

REFERENCES:
patent: 3054059 (1962-09-01), Ingerman
patent: 3083907 (1963-04-01), Crocker et al.
patent: 3312508 (1967-04-01), Keller et al.
patent: 3350708 (1967-10-01), Adler
patent: 3610943 (1971-10-01), Jones
patent: 3723967 (1973-03-01), Atkins et al.
patent: 3755776 (1973-08-01), Kotras
patent: 3788422 (1974-01-01), Bowler
patent: 3812403 (1974-05-01), Gartner

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