Magnetically actuated electric switch

Details Magnetically actuated electric switch Magnetically actuated electric switch

1983-05-02

1984-11-20

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

335205, H01H 3502, H01H 900

Patent

active

044840411

ABSTRACT:
A magnetically actuated electric switch with a bistable reed switch and with a magnet adapted to be moved past the reed switch within a channel; in its normal position the magnet adheres at a soft iron core and, during occurrence of an acceleration above a predetermined threshold value, is thrown against a compression spring arranged at the other end of the channel; during the to movement, the magnet switches the reed switch into the one stable position and during the fro movement into the other stable position. The switch is suited as acceleration pick-up for vehicles, especially as impact sensor.

REFERENCES:
patent: 2963563 (1960-12-01), Patterson
patent: 3057977 (1962-10-01), Caswell
patent: 3327079 (1967-06-01), Widl
patent: 3569643 (1971-03-01), Clarke et al.
patent: 3619524 (1971-11-01), Gillund
patent: 4181835 (1980-01-01), Stadler et al.

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