Detented UHF television tuner with independent inductive fine tu

Details Detented UHF television tuner with independent inductive fine tu Detented UHF television tuner with independent inductive fine tu

1976-10-20

1977-11-01

Gensler, Paul L.

Tuners

With switching means

Capacitor only modified or substituted by switching

74 1041, 74 106, 334 65, 334 74, 334 88, H03J 114, H03J 506

Patent

active

040567966

ABSTRACT:
A UHF television tuner utilizes a mechanical fine tuning mechanism that alters the operation frequency of the oscillator of the tuner independently of the position of the main tuning shaft. The mechanical fine tuning mechanism utilizes a tuning slug disposed inside a tunable coil of the oscillator, and a rotary to linear motion translating mechanism is disposed within the fine tuning shaft for converting a rotational motion of the fine tuning shaft to a linear motion of the slug inside the coil.

REFERENCES:
patent: 3495196 (1970-02-01), Fulton
patent: 3842683 (1974-10-01), Valdettaro
patent: 3973229 (1976-08-01), Weigel

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