Wideband antenna and receiver calibration

Details for Australian Patent Application No. 2004310534 (hide)

Owner BAE Systems plc

Inventors Richardson, Michael Richard

Agent Davies Collison Cave

Pub. Number AU-A-2004310534

PCT Pub. Number WO2005/053094

Priority 0327041.0 21.11.03 GB

Filing date 19 November 2004

Wipo publication date 9 June 2005

International Classifications

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

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 27/00 (2006.01) Modulated-carrier systems

H04L 27/12 (2006.01) Modulated-carrier systems

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

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

H04Q 7/34 (2006.01)

H04Q 7/36 (2006.01)

Event Publications

1 June 2006 PCT application entered the National Phase

  PCT publication WO2005/053094 Priority application(s): WO2005/053094

1 November 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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