Magnetic switch

Details Magnetic switch Magnetic switch

1980-11-17

1982-01-19

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

323368, 338275, 335207, H01L 4304, H01L 4306

Patent

active

043119816

ABSTRACT:
An electric switch magnetically activatable including a Hall Effect sensor with a permanent magnet fixed on one side of the sensor and magnetic shielding interposed between the sensor and fixed magnet to direct flux away from the sensor, such that an operating magnet upon movement toward and away from the other side of the sensor cooperates with fixed magnet to produce an increased magnetic field through the sensor to activate the latter.

REFERENCES:
patent: 3873957 (1975-03-01), Wurscher et al.
patent: 3950719 (1976-04-01), Maxwell
patent: 4188605 (1980-02-01), Stout

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