Variable resistor

Details Variable resistor Variable resistor

1988-02-24

1989-10-31

Shaw, Clifford C.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338157, H01C 1028

Patent

active

048780405

ABSTRACT:
A variable resistor includes strip-shaped conductive and resistive elements on an insulator plate. A cylindrical-shaped, conductive roller element can be rolled over the conductive and resistive elements to vary resistance. Thereby, substantially all sliding movement or contact is eliminated, which eliminates noise and prevents excessive wear.

REFERENCES:
patent: 2256833 (1941-09-01), McDonald

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