Seat belt system with starter engine lock and alarm

Details Seat belt system with starter engine lock and alarm Seat belt system with starter engine lock and alarm

1972-05-22

1978-08-15

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

340667, 307 10SB, 180 82C, 200 6158B, B60R 2110

Patent

active

041076451

ABSTRACT:
An automobile equipped with seat belts for the front passengers includes retractors for withdrawing the belts when not in use. Each seat equipped with a belt includes a pressure sensor to provide a signal when the seat is occupied. The retractors include switches indicating whether the belts are extended or retracted. A logic circuit receives the outputs of the sensor and the switches and inhibits the output of power to the starter until the pressure sensors first provide signals indicating the seats are occupied and then the switches associated with each such retractor provide signals indicating the belts have been extended. When an attempt is made to start the car in a normal manner and this sequence of conditions has not occurred, an alarm is sounded as well as the starter being inhibited. Means are provided for allowing the application of power to the starter motor and extinguishing the alarm in the absence of the proper sequence of signals under the control of the driver, in an emergency or when the car stalls.

REFERENCES:
patent: 3359539 (1967-12-01), Fink
patent: 3449714 (1960-06-01), Farley, Jr.
patent: 3500946 (1970-03-01), Boyajian
patent: 3521723 (1970-07-01), Snodgrass
patent: 3693147 (1972-09-01), Seo et al.
patent: 3729059 (1973-04-01), Redmond

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