Electric potentiometer

Details Electric potentiometer Electric potentiometer

1984-09-10

1987-09-15

Goldberg, E. A.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338142, 338162, 338171, H01R 1346

Patent

active

046942726

ABSTRACT:
An electric potentiometer including a wiper lever having brush wipers, which upon a rotational movement about a pivot shaft sweep over electrically conductive layers applied to a carrier plate. A resistor layer is joined at one end to a connection layer and at the other to a grounded connection layer. The layer is joined at one end to a pickup connection layer and at the other, via a supplementary layer resistor, to the connection layer. A sliding layer of electrically non-conductive paste material is disposed between the carrier plate and the resistor layer, the latter of which is formed from a paste material provided with carbon particles. The sliding layer is wider than the width of the wiper and the resistor layer.

REFERENCES:
patent: 432131 (1890-07-01), Flemming
patent: 1826673 (1931-10-01), Raus
patent: 3648216 (1972-03-01), Rector
patent: 3723938 (1973-03-01), Gramm
patent: 4283704 (1981-08-01), Ohtani et al.
patent: 4500866 (1985-02-01), Romann et al.
patent: 4568876 (1986-02-01), Maisch

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