Safety arrangement

Details Safety arrangement Safety arrangement

1992-07-24

1994-12-13

Pellinen, A. D.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307121, 280735, B60R 2132, H02H 500

Patent

active

053731930

ABSTRACT:
A safety arrangement for an ignition circuit for an air-bag comprising a series connection between two switches and an ignition squib between a power supply and earth. A potential derived from a predetermined point in the series connection is monitored by a central processing unit and by a comparator which compares the monitored potential with a reference potential. When the monitored potential exceeds predetermined limits, both the central processor unit and the comparator operate to disable the power supply.

REFERENCES:
patent: 4287431 (1981-09-01), Yasui et al.
patent: 4366465 (1982-12-01), Veneziano
patent: 4608501 (1986-08-01), Andres et al.
patent: 4673912 (1987-06-01), Kumasaka et al.
patent: 4851705 (1989-07-01), Musser et al.
patent: 4893109 (1990-01-01), Vrabel et al.
patent: 4950914 (1990-08-01), Kurihara et al.
patent: 4968965 (1990-11-01), Naitou et al.
patent: 5134306 (1992-07-01), Schumacher et al.

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