Acceleration sensor pick-up with magnetic base stabilization

Details Acceleration sensor pick-up with magnetic base stabilization Acceleration sensor pick-up with magnetic base stabilization

1988-08-04

1990-02-13

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

73517R, G01D 534

Patent

active

049009257

ABSTRACT:
An omnidirectional optoelectronic acceleration pick-up for the automatic actuation of passenger safety devices in motor vehicles during emergency conditions, utilizes an inertial body which is held in its rest position by an annular permanent magnetic. When a preset amplitude of acceleration is exceeded, a quasi digital switching behavior is achieved by a radially opening annular gap between the end face of the inertial body and the surface of the annular permanent magnet turned towards that face.

REFERENCES:
patent: 3798454 (1974-03-01), Weiss
patent: 4737630 (1988-04-01), Andersson

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