Solid state sequence logic circuit

Details Solid state sequence logic circuit Solid state sequence logic circuit

1972-07-31

1978-06-20

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

340278, 307 10SB, 180 82C, B60R 2110

Patent

active

040964680

ABSTRACT:
A solid state sequence logic circuit comprising a plurality of NOR gates fabricated on a single silicon chip generates an electrical signal whenever a seat belt switch is actuated indicating the utilization of the seat belt before a corresponding seat switch is actuated indicating the presence of an occupant. This logic circuit, while primarily intended for use in any type of vehicle, is applicable to determine whenever a pluraity of events takes place in an order other than a predetermined order.

REFERENCES:
patent: 2985773 (1961-05-01), Dobbie
patent: 3340523 (1967-09-01), Whitman
patent: 3399351 (1968-08-01), Reszka
patent: 3587950 (1971-06-01), Haigh et al.
patent: 3742448 (1973-06-01), Motz

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