Receiver with automatic receiving-station switching function

Details Receiver with automatic receiving-station switching function Receiver with automatic receiving-station switching function

1995-05-31

1998-04-28

Pham, Chi H.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

4551861, 455212, H04B 116

Patent

active

057458456

ABSTRACT:
A receiver with an automatic receiving-station switching function for automatically switching a current receiving frequency from a reception frequency of a broadcast wave in reception to a reception frequency of a broadcast wave of another station, which is in a good reception condition, when a reception condition of the former broadcast wave becomes poor. After detecting deterioration of the reception condition of a received signal, when the level of a detected signal obtained by detecting the received signal is kept equal to or lower than a threshold value for a predetermined time or longer, the receiver sets muting means to a signal cutoff state to stop the audio output before the activation of the automatic receiving-station switching function. Even if the reception condition becomes poor, the muting means does not cut off an audio signal until the low level of the audio output in the currently receiving broadcasted program continues.

REFERENCES:
patent: 5050234 (1991-09-01), Ohteru
patent: 5404588 (1995-04-01), Henze
patent: 5428825 (1995-06-01), Tomohiro et al.
patent: 5493711 (1996-02-01), Koyama

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