Variable resistor disk assembly

Details Variable resistor disk assembly Variable resistor disk assembly

1980-11-13

1982-09-28

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338128, 338174, H01C 1016

Patent

active

043520847

ABSTRACT:
A compact configuration of resistive elements, plural circularly-arranged fixed contacts upon, or mountable upon, a printed circuit board (PCB), to comprise a rotary variable resistor.
In one embodiment, fixed contacts are disposed upon one side of a PCB, in which through-conductors connect to a resistor pattern upon a separate ceramic substrate.
In another embodiment, fixed contacts occupy the central area, and resistors and interconnecting conductors surround the same; all on one side of a ceramic substrate.
Mutually insulated spring wipers connect to the fixed contacts to allow rotary variation of resistance.

REFERENCES:
patent: 795570 (1905-07-01), Anderson
patent: 2215124 (1940-09-01), Kock et al.
patent: 3448427 (1969-06-01), Baskett
patent: 3805209 (1974-04-01), Keranen

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