Telecommunications – Carrier wave repeater or relay system – Plural modulated carriers
Patent
1993-08-16
1995-04-18
Kuntz, Curtis
Telecommunications
Carrier wave repeater or relay system
Plural modulated carriers
455 20, 455 22, 455126, H04B 714
Patent
active
054086817
ABSTRACT:
An automatic repeater station, sometimes called a relay system, is disclo. The relay system receives signals, preferably at one band of frequencies, then filters and restores their inherent information, and finally transmits the restored information, preferably at another band of frequencies. Unlike the prior art systems utilizing transceivers and electronically tunable filters, the present invention uses separate receivers and transmitters and is devoid of electronically tunable filters.
REFERENCES:
patent: 3922674 (1975-11-01), Gingras et al.
patent: 4554514 (1985-11-01), Whartenby et al.
patent: 4941200 (1990-07-01), Leslie et al.
patent: 5144258 (1992-09-01), Nakanishi et al.
Bancroft Douglas A.
Levy Yoram
Ressler Elliott L.
Bechtel James B.
Kuntz Curtis
Le Thanh C.
The United States of America as represented by the Secretary of
Tura James V.
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