Tuning device for switching a plurality of broadcast bands and f

Tuners – Push button and/or lever-type mechanically operated tuner

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Details

74483PB, 74 1033, 334 53, H03J 506, H03J 508, H03J 532

Patent

active

039952428

ABSTRACT:
A push button type tuning device comprising a plurality of tuning coils each being made tunable with any of a plurality of receiving broadcast bands, selection levers any of which is selected and pushed in response to a desired broadcast band by operating each push button secured to a pointed end of each selection lever and tuning cores each being adapted to insert into or draw from any of said coils by the pushed selection lever.

REFERENCES:
patent: 3415129 (1968-12-01), Stamm
patent: 3634791 (1972-01-01), Urawashi et al.
patent: 3722299 (1973-03-01), Knight et al.
patent: 3832907 (1974-09-01), Yasuda

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