Field-shaping shielding for radio frequency identification (RFID) system

Details for Australian Patent Application No. 2005217933 (hide)

Owner 3M Innovative Properties Company

Inventors Lieffort, Seth A.; Goff, Edward D.

Agent Freehills

Pub. Number AU-A-2005217933

PCT Pub. Number WO2005/083836

Priority 10/784,109 20.02.04 US

Filing date 7 January 2005

Wipo publication date 9 September 2005

International Classifications

G08B 13/14 (2006.01) Burglar, theft, or intruder alarms - by lifting or attempted removal of hand-portable articles

H01Q 7/00 (2006.01) Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

H01Q 19/02 (2006.01) Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic

Event Publications

7 September 2006 PCT application entered the National Phase

  PCT publication WO2005/083836 Priority application(s): WO2005/083836

5 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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