Solid state switch

Details Solid state switch Solid state switch

1978-07-03

1980-08-05

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

323 94H, H01L 4304

Patent

active

042164583

ABSTRACT:
A switch assembly with reduced number of mechanical parts in conjunction with an improved Hall Effect generator provides a more reliable, longer life switch. In one embodiment, the rocking motion of a rocker member is translated into linear motion to move a magnet relative to the Hall Effect generator. As the rocker member is rotated by pressure applied to the higher of its actuation surfaces, rotation is set up about a pivot point, causing the rocker member to shift the magnet to the opposite side of the base of the rocker assembly. This shift of the magnet changes the magnetic field to which the Hall Effect generator is exposed from one magnetic polarity to an opposite magnetic polarity which causes a respective change in output voltage of the Hall Effect generator from a first predetermined voltage to a second predetermined voltage. An audible "snap" is generated by the magnet when it contacts the side of the base.

REFERENCES:
patent: 3139600 (1964-06-01), Rasmanis et al.
patent: 3703695 (1972-11-01), Mogi
patent: 3845445 (1974-10-01), Braun et al.
patent: 3988710 (1976-10-01), Sidor et al.

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