H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/7
H01Q 1/34 (2006.01) H01Q 1/18 (2006.01)
Patent
CA 1158765
Abstract A stabilised antenna arrangement A stabilised ship borne antenna arrangement is provided with an antenna which is stabilised against pitching and rolling motions of the ship on which it is mounted. The antenna is intended to rotate in azimuth about a stabilised vertical axis and it is mounted on a rotatable member which rotates about an unstabilised axis, which is fixed relative to the ship. Linear actuators link the antenna to the rotatable member with the lengths of the actuators being adjusted so as to maintain the vertical axis of the antenna as it rotates. The stabilised portion of the antenna arrangement is relatively light with a low centre of gravity.
376627
Coghill Ian
Crook Richard W.
James David R.
Kirby Eades Gale Baker
Marconi Company Limited (the)
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