Variable resistor utilizing extension type conductive rubber

Details Variable resistor utilizing extension type conductive rubber Variable resistor utilizing extension type conductive rubber

1990-03-05

1992-11-10

Lateef, Marvin M.

Electrical resistors

Mechanically variable

Deformable

338209, 338 39, H01C 1010

Patent

active

051627752

ABSTRACT:
A variable resistor that utilizes, as its resistive component, an extension type conductive elastomer such as a conductive silicone rubber cross-linked and then impregnated with a silicone oil, that will experience a change in electrical resistance responsive to an extension thereof. The elastomer is interposed as a sheet between a pair of electrodes and a pushing member that is capable of movement so as to press the elastomer against the ends of electrodes, creating an extension of that elastomer between the electrodes. The magnitude of which elastomer extension corresponds to the force exerted on the pushing member, and in proportion to the change in electrical resistance of that elastomer as measured across the electrodes.

REFERENCES:
patent: 4281013 (1979-04-01), Iida
patent: 4503705 (1985-03-01), Polchaninoff
patent: 4596912 (1986-06-01), Hattori
patent: 4639711 (1987-01-01), Edholm et al.
patent: 4847586 (1989-07-01), Tanaga et al.
patent: 4918416 (1990-04-01), Kunikane
patent: 5036306 (1991-07-01), Bergkvist

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