Method and apparatus for optimizing GPS-based position location in presence of time varying frequency error

Details for Australian Patent Application No. 2003284883 (hide)

Owner Qualcomm, Incorporated

Inventors Simic, Emilija; Patrick, Christopher; Rowitch, Douglas Neal

Agent Madderns

Pub. Number AU-B-2003284883

PCT Number PCT/US2003/0336

PCT Pub. Number WO2004/038447

Priority 60/440,960 16.01.03 US; 10/404,711 31.03.03 US; 60/420,583 22.10.02 US

Filing date 22 October 2003

Wipo publication date 13 May 2004

Acceptance publication date 9 July 2009

International Classifications

G01S 1/02 (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

H04B 7/185 (2006.01) Radio transmission systems, i.e. using radiation field - Space-based or airborne stations

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 60/440,960 16.01.03 US; 10/404,711 31.03.03 US; 60/420,583 22.10.02 US

17 June 2004 Application Open to Public Inspection

  Published as AU-B-2003284883

9 July 2009 Application Accepted

  Published as AU-B-2003284883

5 November 2009 Standard Patent Sealed

17 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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