Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1986-12-22
1990-03-06
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
342362, 455 12, H04B 7188
Patent
active
049070037
ABSTRACT:
The invention provides a master controller to store and call up on command a plurality of setups for numerous satellites. An antenna is directed to a desired satellite, the polarization of the feed horn is changed to that of the signal to be received and a receiver or receivers are switched to the proper band, C or Ku. A transponder is selected as are audio and/or video frequencies, half or full transponder modes in the Ku band, and video reverse. The setup is recalled by an operator or by a timer which can call or set up at prescribed periodic intervals or on a one-time basis. An operator can change one or more parameters of a specific setup. The controller can institute an antenna search routine for developing a new setup to maximize the signal strength by looking at a narrow band AGC signal whereby to permit an operator to acquire a new satellite and store all of the necessary parameters for the setup or to use a frequency controller of the receiver to define the audio and video frequencies to be employed while using the antenna control to acquire the satellite and peak the signals and then store a setup from the information generated by the two controlling elements.
REFERENCES:
patent: 3316552 (1967-04-01), Reid
patent: 3931623 (1976-01-01), Sones et al.
patent: 4263539 (1981-04-01), Barton
patent: 4387393 (1983-06-01), Nicholson
patent: 4538175 (1985-08-01), Balbes et al.
patent: 4625235 (1986-11-01), Watson
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patent: 4743909 (1988-05-01), Nakamura et al.
patent: 4796032 (1989-01-01), Sakurai et al.
"A Frequency Reuse K-Band 60-Foot Antenna System . . . "; C. J. Butts; ICC Conference; Jun. 1980.
GTE Lenkurt Demodulator; "Satellite Communications Update Part Two"; May/Jun. 1979.
Mahani Farid
Marshall Darrell R.
O'Cull Douglas
Microdyne Corporation
Swann Tod
Tarcza Thomas H.
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