BEAMFORMER FOR MULTI-BEAM RECEIVE ANTENNA

Details for Australian Patent Application No. 2002352579 (hide)

Owner EMS TECHNOLOGIES, INC.

Inventors HOWELL, James, M.

Pub. Number AU-A-2002352579

PCT Number PCT/US02/35956

PCT Pub. Number WO2003/043125

Priority 60/345,414 09.11.01 US

Filing date 8 November 2002

Wipo publication date 26 May 2003

International Classifications

H01Q 003/26 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 025/00 Aerials or aerial systems providing at least two radiating patterns

H01Q 021/06 Aerial arrays or systems - Arrays of individually energised aerial units similarly polarised and spaced apart

H04B 007/08 Radio transmission systems, i.e. using radiation field - at receiving station

G01S 013/48

G01S 013/68

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 60/345,414 09.11.01 US

24 July 2003 Application Open to Public Inspection

  Published as AU-A-2002352579

29 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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