Electronic article tracking system for retail rack using loop antenna

Details for Australian Patent Application No. 2005239398 (hide)

Owner Checkpoint Systems, Inc.

Inventors Bremer, Peter

Agent Cullen & Co

Pub. Number AU-B-2005239398

PCT Pub. Number WO2005/106816

Priority 60/566,130 28.04.04 US

Filing date 25 April 2005

Wipo publication date 10 November 2005

Acceptance publication date 8 November 2007

International Classifications

G08B 13/24 (2006.01) Burglar, theft, or intruder alarms - by interference with electromagnetic field distribution

G06K 7/08 (2006.01) Methods or arrangements for sensing record carriers - by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes

G06K 7/10 (2006.01) Methods or arrangements for sensing record carriers - by electromagnetic radiation, e.g. optical sensing

H01Q 1/44 (2006.01) Details of, or arrangements associated with, aerials - using equipment having another main function to serve additionally as an aerial

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

Event Publications

16 November 2006 PCT application entered the National Phase

  PCT publication WO2005/106816 Priority application(s): WO2005/106816

8 November 2007 Application Accepted

  Published as AU-B-2005239398

6 March 2008 Standard Patent Sealed

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