Electronically variable resistance device

Details Electronically variable resistance device Electronically variable resistance device

1981-07-23

1983-06-28

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Fluid- or gas pressure-actuated

H01C 1002

Patent

active

043908608

ABSTRACT:
A variable resistance device having a moveable globule of liquid metal, contained in a channel, and having contact on one side with a resistive surface and on another side with a conductive surface, the resistive surface and conductive surface isolated from each other. The globule is moved by pumping a fluid through the channel, using a bi-directional fluidic pump whose pumping action is caused by selectively heating an adsorbent material. Selective heating is accomplished with a resistive material, dissipating power and controlled electronically.

REFERENCES:
patent: 1745447 (1930-02-01), Pesout
patent: 3900816 (1975-08-01), Kiyono
patent: 4165952 (1979-08-01), Bennett

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