Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Reexamination Certificate
2007-06-11
2008-12-09
Donovan, Lincoln (Department: 2821)
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
C343S765000, C343S78100P, C343S882000
Reexamination Certificate
active
07463206
ABSTRACT:
A self-stabilizing antenna is pivotable about an axis of elevation, a cross-level axis and an azimuth axis. The antenna comprises an antenna member (1) for transfer of signals between said antenna member and a satellite, and a frame member (6) on which the antenna member (1) is mounted for mounting thereof on said movable support. The frame member (6) includes mounting members (7, 8and9) permitting pivotal movement of the antenna member about said axes. The antenna further comprises driving units (12, 14) for pivotal movement of the antenna member (1) about said axes, electronic units (21, 22) for sensing and controlling the pivotal movements of the antenna member (1) and for the transfer of signals between the antenna member and a satellite, a signal transformer unit (5), a signal amplifier unit (23), a signal transfer unit (30) and a gyroscope unit (24). For providing an antenna which is kept still during transmission and/or reception of signals from a satellite, said units (5, 12, 14, 21, 22, 23, 24and30) are provided such that more than 50% of the total mass of the antenna is concentrated to the antenna member (1) and/or to the frame member (6) in direct connection with the antenna member (FIG.1).
REFERENCES:
patent: 6204823 (2001-03-01), Spano et al.
patent: 7173571 (2007-02-01), Webb et al.
patent: 7256749 (2007-08-01), DeSargant et al.
patent: 7301505 (2007-11-01), King
Donovan Lincoln
Naval Electronics AB
Tarolli, Sundheim Covell & Tummino LLP
Tran Chuc
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