Satellite-based positioning system receiver for weak signal operation

Details for Australian Patent Application No. 2001255988 (hide)

Owner Sigtec Navigation Pty Ltd

Inventors Glennon, Eamonn P.; Dempster, Andrew G.; Bryant, Roderick C.; Dougan, Stanley L.

Agent FB Rice

Pub. Number AU-B-2001255988

PCT Pub. Number WO01/86318

Priority 60202464 08.05.00 US

Filing date 7 May 2001

Wipo publication date 20 November 2001

Acceptance publication date 22 February 2007

International Classifications

G01S 5/14 (2006.01) Position-fixing by co-ordinating two or more direction or position-line determinations - Determining absolute distances from a plurality of spaced points of known location

G01S 1/00 (2006.01) Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters

Event Publications

22 February 2007 Application Accepted

  Published as AU-B-2001255988

21 June 2007 Standard Patent Sealed

4 December 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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