Velocity change sensor with double pole sensor

Details Velocity change sensor with double pole sensor Velocity change sensor with double pole sensor

1991-03-01

1992-06-23

Marmor, Charles A.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

Responsive to sensing of acceleration, deceleration, or tilt...

200 6145M, 200 6153, H01H 3514

Patent

active

051234998

ABSTRACT:
An accelerometer for sensing velocity changes particularly suited for passenger restraint systems in a motor vehicle for the deployment of an air bag includes a housing with contact blades and a magnetically biased contacting element. The contacting element is arranged to move toward the contact blades when a deceleration exceeding a threshold level is sensed. The contact blades are spaced away from each other so that one is bent toward the other by the contacting element to form a direct electrical path, thereby deploying the restraint system.

REFERENCES:
patent: 3778572 (1973-12-01), Matsui
patent: 3784773 (1974-01-01), Jubenville
patent: 3840088 (1974-10-01), Murumo et al.
patent: 4039790 (1977-08-01), Treckman
patent: 4718775 (1988-01-01), Keznickl
patent: 4816627 (1989-03-01), Janotik
patent: 4857680 (1989-08-01), Janotik
patent: 4900880 (1990-02-01), Breed
patent: 5005861 (1991-04-01), Breed et al.
patent: 5010217 (1991-04-01), Heuniken et al.

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