H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
79/10, 351/13, 3
H01Q 1/18 (2006.01) H01Q 1/34 (2006.01)
Patent
CA 1223341
ABSTRACT OF THE DISCLOSURE Device for stabilising and aiming an antenna, more particularly on a ship. The device, which can be used on merchant vessels having only a course reference, comprises on a base a mounting having bearing orientation means and supporting a gyroscopic assembly with two degrees of freedom, whose outer cardan transmission has an axis X of rotation per- pendicular to the bearing axis, its inner cardan transmission having an axis Y of rotation at right angles to the axis X and being connected to the antenna during aiming. The gyroscopic assembly comprises a single flywheel of conside- rable kinetic force in relation to the inertia of the antenna. Each cardan transmission has a torque motor controlled by a loop whose feedback signal is delivered by an orientational pickup of the other cardan transmission. The means for orien- tation around the bearing axis are adapted to ensure substan- tially the aiming of the antenna in bearing, and therefore to retain the gyroscopic assembly close to the canonical position.
463053
Le Gall Jean-Claude
Mathieu Bernard
Le Gall Jean-Claude
Mathieu Bernard
Robic Robic & Associes/associates
LandOfFree
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