Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1977-04-29
1978-10-03
Lieberman, Eli
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
33321, H01Q 118
Patent
active
041187075
ABSTRACT:
An antenna apparatus comprising a gimbals with two axes crossing at right angles mounted on a fixed stand, an antenna base attached to said gimbals to be rocked with the rotation of said gimbals and holding an antenna, flywheels attached to said antenna base for stabilizing said antenna base applying the principle of precession of gyro, a first driving mechanism for rocking said antenna in the elevational direction, a second driving mechanism for rocking said antenna in the azimuthal direction, and a third driving mechanism for shifting the center of gravity on said gimbals in a direction across the direction of rotation of said first driving mechanism.
REFERENCES:
patent: 3893123 (1975-07-01), Bieser
patent: 4020491 (1977-04-01), Bieser et al.
Kobayashi Kenzo
Yoshida Takashi
Lieberman Eli
Tokyo Shibaura Electric Co. Ltd.
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