Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1981-02-12
1986-02-25
Lieberman, Eli
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455601, 455614, 343DIG2, H01Q 128, H04B 900
Patent
active
045732140
ABSTRACT:
A method and apparatus for broadcasting, transferring and disbursing infotion from space to earth uses sunlight as the carrier. An orbiting platform receives sunlight and modulates it with electromagnetic signals carrying the information beamed up from an earth station, communications satellite or aircraft. The modulated sunlight is directed to a designated area on earth from the orbiting platform where it penetrates clouds as well as seawater to reach surface and submerged receiving stations including submarines.
REFERENCES:
patent: 3150320 (1964-09-01), Gruenberg
patent: 3340530 (1967-09-01), Sullivan et al.
Beers R. F.
Johnston Ervin F.
Keough Thomas Glenn
Lieberman Eli
The United States of America as represented by the Secretary of
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