Radio receiver

Details Radio receiver Radio receiver

1983-01-26

1985-06-25

Bookbinder, Marc E.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455166, 455221, H04B 110, H04B 126

Patent

active

045258678

ABSTRACT:
A control unit tunes a tuner to a broadcasting station as determined by frequency data stored in a memory and then to another broadcasting station as determined by other frequency data stored in the memory while it applies a muting pulse to a muting circuit to mute an output from the tuner for a relatively short time. Subsequently, the tuner is tuned to that station having a higher reception level. An audio level sensor connected to the tuner is connected to one input of an AND gate whose other input is supplied with an output from the control unit originating from a command muting signal. When the sensor senses that an audio level of the tuner's output is approximating a zero level, the sensor supplies an output to the AND gate so as to permit the control unit to apply the muting signal to the muting circuit.

REFERENCES:
patent: 4253194 (1981-03-01), Van Deursen
patent: 4414687 (1983-11-01), Hirata
patent: 4420694 (1983-12-01), Yokota et al.
patent: 4430753 (1984-02-01), Shiratani
Das neue MCC-Autoradio sucht sich stets den starksten Programmsender Funk-Technik--34 Jahrgang--Nr. 10/1979, pp. 475-476.

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