Broadcast receiver

Details Broadcast receiver Broadcast receiver

H - Electricity

04

B

325/87

H04B 1/26 (2006.01) H03G 3/34 (2006.01) H03J 5/02 (2006.01) H03J 7/28 (2006.01)

Patent

CA 1044765

ABSTRACT OF THE DISCLOSURE A broadcast receiver having a tuner with a variable local osci- llator for generating a local frequency signal, a divider for dividing the local frequency signal at a variable dividing ratio, a comparator for com- paring the divided local frequency output with a reference signal by which the local oscillator frequency is controlled, a counter having a variable content by which the dividing ratio of the divider is determined for establishing the radio broadcast frequency to which the receiver is tuned, a pulse generator operative to vary the counter content, and a detector circuit for producing an audio signal in response to an output from the tuner., The broadcast receiver further provides with non-voltaic memory device for memorizing contents of the counter at the time when the counter contents change, means for reading out the signal stored in the non-voltaic memory means and presetting the read out signal in the counter when a power source for the receiver is made ON, and a muting circuit for muting the audio signal during the operation of counter for selection.

189731

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