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US 6,661,388 B2Granted
Four element array of cassegrain reflector antennas
AssigneeThe Boeing Company
InventorsGlen J. Desargant, Albert Louis Bien
Life of this patent
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AssigneeThe Boeing Company
InventorsGlen J. Desargant, Albert Louis Bien
Estimating the term…
A multi-reflector antenna array capable of simultaneously transmitting and receiving communication signals at Ku-band frequencies is mounted on an exterior surface of an aircraft. The antenna array provides four cassegrain reflector antennas mechanically connected together in a group capable of being simultaneously mechanically scanned. A common support structure fixes the antennas with respect to each other. A drive mechanism and directional azimuth and elevation motors control the position of the array. The aerodynamic drag of the array is minimized using four antennas rather than a single large diameter antenna. Each antenna is positioned on a common horizontal centerline. Two centrally located antennas are positioned between two smaller diameter antennas. The antennas and positioning equipment are both mounted for rotation within a radome. A corporate power combiner/divider is provided to adjust both an amplitude and a phase of each antenna signal.
A multiple element antenna array adapted to be mounted to an exterior surface of a mobile platform, to simultaneously transmit and receive communication signals, comprising:
An antenna array adapted to be mounted to an exterior surface of a high speed mobile platform such as an aircraft, for both transmitting and receiving Ku-band communication signals while providing a low profile, aerodynamically efficient substructure, said antenna array comprising:
An aircraft communication system comprising:
Dependencies are inferred from the claim text.