Trouble detection apparatus for automobile air-bag system

Details Trouble detection apparatus for automobile air-bag system Trouble detection apparatus for automobile air-bag system

1989-04-28

1990-07-31

Orsino, Joseph A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

280735, B60Q 100

Patent

active

049453360

ABSTRACT:
Acceleration speed sensor (3) and trigger means (4) for separating air-bag includes a Wheatstone bridge with reference resistors, (7A, 8A), whereby when trouble occurs, the balance of Wheatstone bridge is lost and current flows to current transformer (12), wherein D.C. noise component is isolated by the current transformer (12) and A.C. noise component is attenuated by phase detection by using reference pulse signals (V.sub.0).

REFERENCES:
patent: 3622974 (1971-11-01), Best et al.
patent: 3803569 (1974-04-01), Iwasaki et al.
patent: 4287431 (1981-09-01), Yasui et al.
patent: 4673912 (1987-06-01), Kumasaka et al.
patent: 4835513 (1989-05-01), McCurdy et al.

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