Mobile broadcast receiver with channels selectable according to

Details Mobile broadcast receiver with channels selectable according to Mobile broadcast receiver with channels selectable according to

1983-04-13

1984-10-09

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455184, 455186, 455345, H03J 720, H04B 116

Patent

active

044765827

ABSTRACT:
The location coordinates, as well as the transmitting station frequencies, of stations that broadcast the same programs by network arrangements or otherwise, are stored so that when a particular program (network) is selected, all these stations broadcasting the same program as a station being listened to which are not more than a prescribed maximum distance from the station being listened to, may be listed in a table in a working store. While a particular station is being listened to, therefore, continuous checking of the station being listened to with other stations broadcasting the same program for relative reception quality can be carried out automatically while a station is being listened to in a moving vehicle, without taking into account the signals broadcast by stations that are too far away. As soon as some other station broadcasting the same program is found to provide better reception, it is automatically tuned in, and from then on the distance criterion is referred to the location of the new station, a new set of stations for signal comparison is selected and the comparative signal checking process is continued automatically.

REFERENCES:
patent: 4387469 (1983-06-01), Miyazaki et al.
patent: 4430753 (1984-02-01), Shiratani

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