Communications: radio wave antennas – Antennas – Antenna components
Patent
1986-08-20
1988-12-20
Sikes, William L.
Communications: radio wave antennas
Antennas
Antenna components
H01Q 1520
Patent
active
047928158
ABSTRACT:
There is disclosed a reception system for satellite signals. The system includes parabolic petals, each having a reflective receiving surface, each of the petals constituting one radial segment of a surface of a parabaloid. There is also provided a servo-motor for controlling the polar position of one or more of the petals about the common polar axis, thereby enabling the overlap or nesting of one or more of said petals onto each other, this providing an amplification control means for receiving surface. Additionally provided is an actuator for changing and controlling the direction of the polar axis of the reception system. There is also furnished a control shaft for electro-mechanically defining a particular channel parameter reception matrix, this matrix constituting one or more of the channel parameters of signal strength, geosynchronous direction of the antenna axis, transponder polarity and frequency, video polarity and bandwidth, and subcarrier frequency. by preprogramming many such control shafts, a tuning panel can be created by which a user need only press a particular control shaft to tune into a particular channel of a particular transponder of a particular satellite that is of interest to the user. Included also are an enclosure for enclosing the folded satellite dish and means for automatically deploying the dish from its enclosure.
REFERENCES:
patent: 3618101 (1971-11-01), Emde et al.
Sikes William L.
Wise Robert E.
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