Treadle bar driven potentiometer

Details Treadle bar driven potentiometer Treadle bar driven potentiometer

1975-07-16

1976-06-22

Gensler, Paul L.

Tuners

Push button and/or lever-type mechanically operated tuner

334 15, H03J 508

Patent

active

039654494

ABSTRACT:
A rotary wiper contact supported on a hub is housed between a substrate having a resistive element and a bracket means to form a potentiometer subassembly. The bracket and substrate are fixedly mounted to a pushbutton tuner frame with the hub of the wiper contact directly mounted on the treadle bar for integral movement therewith. Actuation of any pushbutton or the manual tuning shaft to select a predetermined frequency rotates the treadle bar and the wiper contact varying the effective resistance of the potentiometer which controls the voltage of a varactor to tune the receiver.

REFERENCES:
patent: 3662295 (1972-05-01), Rummer
patent: 3739307 (1973-06-01), Maugans
patent: 3792387 (1974-02-01), Arrington et al.

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