Resistive controller using magnetic repulsion

Details Resistive controller using magnetic repulsion Resistive controller using magnetic repulsion

1999-04-26

1999-12-07

Donovan, Lincoln

Electrical resistors

Resistance value responsive to a condition

Force-actuated

338 99, 338113, 338114, H01C 1010

Patent

active

05999083&

ABSTRACT:
A membrane potentiometer that uses magnets to keep the membranes separated. A controller has a backplate and a cover that has sidewalls and a top wall which has a central opening defining a cavity. The cover mounts to the backplate. A pair of membrane potentiometer are interposed between the cover and the backplate to receive a first voltage, and output a second voltage that is a percentage of the first voltage. A pair of magnet assemblies are located on outer surfaces of the membrane potentiometer to generate a magnetic repulsion force to keep the membrane potentiometer separated from each other.

REFERENCES:
patent: 3968467 (1976-07-01), Lampen et al.
patent: 4494105 (1985-01-01), House
patent: 4503705 (1985-03-01), Polchaninoff
patent: 4532395 (1985-07-01), Zukowski
patent: 5079536 (1992-01-01), Chapman
patent: 5208576 (1993-05-01), Wunderlich et al.
patent: 5228562 (1993-07-01), Burk
patent: 5241308 (1993-08-01), Young
patent: 5876106 (1999-03-01), Kordecki

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