Owner BAE Systems plc

Inventors Richardson, Michael Richard

Agent Davies Collison Cave

Pub. Number AU-B-2004310544

PCT Pub. Number WO2005/053175

Priority 0327041.0 21.11.03 GB

Filing date 19 November 2004

Wipo publication date 9 June 2005

Acceptance publication date 13 August 2009

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 21/28 (2006.01) Aerial arrays or systems

H04B 1/16 (2006.01) Details of transmission systems, not covered by a single one of groups - Circuits

H04B 1/40 (2006.01) Details of transmission systems, not covered by a single one of groups - Circuits

H04B 7/155 (2006.01) Radio transmission systems, i.e. using radiation field - Ground-based stations

H04B 17/00 (2006.01) Monitoring

H04L 7/08 (2006.01) Arrangements for synchronising receiver with transmitter - the synchronisation signals recurring cyclically

H04L 27/12 (2006.01) Modulated-carrier systems

H04L 27/22 (2006.01) Modulated-carrier systems - Demodulator circuits

H04L 27/227 (2006.01) Modulated-carrier systems - using coherent demodulation

H04B 7/08 (2006.01) Radio transmission systems, i.e. using radiation field - at receiving station

H04L 25/02 (2006.01) Baseband systems - Details

H04L 27/00 (2006.01) Modulated-carrier systems

H04L 27/26 (2006.01) Modulated-carrier systems - Systems using multi-frequency codes