Variable resistance attenuator

Details Variable resistance attenuator Variable resistance attenuator

1974-08-22

1976-03-16

Askin, Laramie E.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

323 96, 333 81R, 338127, 338142, H03H 726, H01C 1302, H01C 1016, H01C 1022

Patent

active

039449629

ABSTRACT:
A variable-resistance attenuator having first and second resistive layers deposited upon an insulating substrate. Input and output terminals are electrically connected at spaced intervals to one of the resistive layers and a common terminal is electrically connected to the remaining one of the resistive layers. A pair of contacts are adapted to make slidable electrical engagement, each with an associated one of the resistive layers. Conductive bridging means mechanically and electrically connect the sliding contacts. Mechanical means are provided for simultaneous movement of the sliding contacts to change the resistance in a smooth and continuous fashion.

REFERENCES:
patent: 3693062 (1972-09-01), Von Vick
patent: 3846731 (1974-11-01), Dumas et al.
German Utility Model (Gebrauchsmuster), No. 1,957,345, Mar. 23, 1967.

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