Radio receiver

Details Radio receiver Radio receiver

1991-06-04

1992-03-31

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455181, 455186, H04B 1700

Patent

active

051015080

ABSTRACT:
A radio receiver receives a radio broadcast by performing a frequency conversion on the basis of an oscillation signal from a phase locked loop. Specifically, a memory has a data table including broadcasting station data, broadcasting time data, and frequency data necessary for receiving a particular radio broadcast at the broadcasting time. A timer and a key are provided for selecting a broadcasting station. When the key is operated, a key output and time data indicated by the timer are supplied to the data table as input data to indicate the broadcasting station on the data table. The corresponding frequency data is thereupon read out of the data table. The frequency data thus read out is supplied to the phase locked loop, whereby a frequency indicated by the frequency data is selected as the frequency for reception.

REFERENCES:
patent: 3882400 (1975-05-01), Hamada
patent: 4228543 (1980-10-01), Jackson
patent: 4310924 (1982-01-01), Miyasaka et al.
patent: 4403344 (1983-09-01), Yamada et al.
patent: 4626909 (1986-12-01), Ohiki et al.
patent: 4905212 (1990-02-01), Wakahara
patent: 4914517 (1990-02-01), Duffield
Application 56-87940 published in the patent abstract of Japan, vol. 5, No. 159, Oct. 14, 1981.

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