Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Reexamination Certificate
2005-06-28
2005-06-28
Ho, Tan (Department: 2821)
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
C343S765000, C343S882000
Reexamination Certificate
active
06911950
ABSTRACT:
The invention relates to a steerable antenna platform including two independently controllable motors for rotating a flat plate or a parabolic dish antenna about two perpendicular axes. The antenna platform includes a semicircular yoke rotatable about a fixed axes with bearings mounted on either end thereof for pivotally supporting the antenna. The antenna platform also includes a ball joint for supporting the center of the antenna, enabling a reduction in the requirements of the two motors.
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Her Majesty the Queen in right of Canada as represented by the
Ho Tan
MaCLean Doug
Teitelbaum & MacLean
Teitelbum Neil
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