Variable resistor

Details Variable resistor Variable resistor

1999-09-30

2000-10-10

Easthom, Karl D.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338176, 338123, 338125, H01C 1030

Patent

active

061306002

ABSTRACT:
A variable resistor includes a circuit board having a conductive layer and a plurality of impedance layers arranged under the conductive layer, a slide having a metal contact plate movably mounted over the conductive layer and the impedance layers, wherein the impedance layers and the conductive layer have electric contacts respectively connected to circuit devices, output potentials at the electric contacts being relatively changed when the slide is moved with over the metal conductive layer and the impedance layers thereby controlling current flowing through the circuit devices.

REFERENCES:
patent: 4223294 (1980-09-01), Moffitt et al.
patent: 4693111 (1987-09-01), Arnold et al.
patent: 5291176 (1994-03-01), Fujita
patent: 5673015 (1987-09-01), Arnold et al.

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