Digital tuning element and method of making same

Details Digital tuning element and method of making same Digital tuning element and method of making same

1978-04-18

1981-01-06

Smith, Alfred E.

Tuners

Push button and/or lever-type mechanically operated tuner

340347P, 29458, 455170, 455183, H03J 506, H03J 508

Patent

active

042439620

ABSTRACT:
A digital tuning element and method of making same for an electronic tuning means for an automobile radio which has a drive means for positioning said element, detecting means providing an electrical output signal related to the position of said tuning element, and means receiving the output signal for controlling a tuning circuit. The tuning element is a body which is angularly positionable and includes a coding means on its surface, with the detecting means sensing the coding means for providing binary coded output signals over a plurality of output channels to a receiving means for controlling a tuning circuit.

REFERENCES:
patent: 3170155 (1965-02-01), Smith et al.
patent: 3286251 (1966-11-01), Byun et al.
patent: 3569839 (1971-03-01), Dyer
patent: 3845393 (1974-10-01), Basset
patent: 4015253 (1977-03-01), Goldstein
patent: 4025914 (1977-05-01), Akita

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