Nonvolatile programmable switch

Details Nonvolatile programmable switch Nonvolatile programmable switch

1997-07-15

1998-10-06

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335179, H01H 5122

Patent

active

058183167

ABSTRACT:
A nonvolatile programmable switch includes first and second magnetizable conductors having first and second ends, respectively, each of which is a north or south pole. The ends are mounted for relative movement between a first position in which they are in contact and a second position in which they are insulated from each other. The first conductor is permanently magnetized and the second conductor is switchable in response to a magnetic field applied thereto. Programming means are associated with the second conductor for switchably magnetizing the second conductor so that the second end is alternatively a north or south pole. The first and second ends are held in the first position by magnetic attraction and in the second position by magnetic repulsion.

REFERENCES:
patent: 2907846 (1959-10-01), Wilhem
patent: 3295023 (1966-12-01), Peras
patent: 3356909 (1967-12-01), Polssek
patent: 3525958 (1970-08-01), Rauterberg
patent: 4237439 (1980-12-01), Nemoto
patent: 5216396 (1993-06-01), Stahly

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