Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Patent
1992-05-28
1995-04-25
Urban, Edward F.
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
455135, 455272, H04B 106
Patent
active
054107482
ABSTRACT:
A space diversity receiver comprises a plurality of antenna connectors, with each of which an antenna is to be connected, a signal selecting portion for selecting one of signals from the antenna connectors, a signal processing circuit block for producing an output signal based on a signal selected by the signal selecting portion, wherein a signal sampling operation through which the signals obtained from the antenna connectors are sampled for every short period to be supplied to the signal processing circuit block is performed by the signal selecting portion during a specific period so as to select one of the antenna connectors through which a signal giving rise to the best output signal of the signal processing circuit block is introduce and the signal introduced through the selected antenna connector is continuously selected by the signal selecting portion during a period successive to the specific period, the signal selecting portion being controlled to perform the signal sampling operation in such a manner that noise components in the output signal of the signal processing circuit block resulted from the signal sampling operation are effectively reduced.
REFERENCES:
patent: 3969672 (1976-07-01), Wallander et al.
patent: 4229691 (1981-10-01), Loesch
patent: 4506385 (1985-03-01), Fedde et al.
patent: 4814882 (1989-03-01), Nuimura
Hayashi Toshitada
Nakayama Hiroshi
Okamoto Tadashi
Shimada Yoshihiro
Le Thanh
Shaw, Jr. Philip M.
Sony Corporation
Urban Edward F.
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