Tuner with digitally coded indicia

Details Tuner with digitally coded indicia Tuner with digitally coded indicia

H - Electricity

03

L

365/5

H03L 7/16 (2006.01) H03J 1/04 (2006.01) H03J 5/00 (2006.01) H03J 5/02 (2006.01) H03L 7/183 (2006.01)

Patent

CA 1040766

ABSTRACT OF THE DISCLOSURE In a tuning apparatus for a broadcast receiver having a phase locked loop including a reference signal oscillator, a variable frequency divider which receives the local frequency signal for further dividing the local frequency signal with a variable dividing ratio, frequency and phase comparators for producing a corresponding control voltage for determining the local frequency signal in dependence on the dividing ratio of the variable frequency divider; dial members provided with an indicator movable along the scale for indicating the broadcast frequency received, a series of digitally coded indicia, for example, in the form of holes in the dial member, are provided to respectively correspond to a plurality of broadcasting stations which are adapted to be selectively received by the broadcast receiver.

216788

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