Stabilized platform for scanning antenna

Details Stabilized platform for scanning antenna Stabilized platform for scanning antenna

1984-12-18

1987-03-03

Lieberman, Eli

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343766, H01Q 118, H01Q 134

Patent

active

046479392

ABSTRACT:
An arrangement for a vehicle- or vessel-borne surveillance apparatus is provided with a two-axis, vehicle- or vessel-borne gimbal system (2, 3) and a platform (4) suspended by said gimbal system (2, 3). The platform (4) can be stabilized about the orthogonal axes (AA', BB') of the gimbal system (2,3) with respect to an earth-fixed reference position. The surveillance apparatus (5) is mounted rotatably about an axis (6) perpendicular to the platform (4). The arrangement comprises two linear actuators (7), being mounted directly on the vehicle or vessel, but acting on the platform (4), to permit the above platform stabilization through a mutually equidirectional or opposite motion. The arrangement further comprises a mechanical, universal coupling to transmit the rotational motion produced by a drive mechanism (8), being mounted directly on the vehicle or vessel, to the surveillance apparatus (5).

REFERENCES:
patent: 2477574 (1949-08-01), Braddon
patent: 3968496 (1976-07-01), Brunvoll
patent: 3999184 (1976-12-01), Fuss
patent: 4197548 (1980-04-01), Smith et al.
patent: 4442435 (1984-04-01), Kiryu et al.

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