Owner Andrew Corporation

Inventors Graham, Peter Bruce; Gray, Andrew Thomas; Rhodes, Daniel; Roberts, Arthur George

Agent Shelston IP

Pub. Number AU-B-2001280303

PCT Pub. Number WO02/05383

Priority 505656 10.07.00 NZ; 510913 03.04.01 NZ

Filing date 10 July 2001

Wipo publication date 21 January 2002

Acceptance publication date 15 February 2007

H01Q 3/24 (2006.01) Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system - varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching

H01P 1/18 (2006.01) Auxiliary devices - Phase-shifters

H01Q 1/24 (2006.01) Details of, or arrangements associated with, aerials - with receiving set

H01Q 3/26 (2006.01) Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system - varying the relative phase or relative amplitude of energisation between two or more active radiating elements

H01Q 3/36 (2006.01) Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system

H01Q 13/10 (2006.01) Waveguide horns or mouths - Resonant slot aerials

H01Q 21/06 (2006.01) Aerial arrays or systems - Arrays of individually energised aerial units similarly polarised and spaced apart

H01Q 21/20 (2006.01) Aerial arrays or systems - the units being spaced along, or adjacent to, a curvilinear path

H01Q 21/22 (2006.01) Aerial arrays or systems - Aerial units of the array energised non-uniformly in amplitude or phase, e.g. tapered array, binomial array