Resonant frequency tag and method for controlling tag frequency

Details for Australian Patent Application No. 2004222610 (hide)

Owner Checkpoint Systems, Inc.

Inventors Matsumoto, Takeshi; Lendering, Peter; Mazoki, Gary; Bonnin, Luis Francisco Soler; Eckstein, Eric; Appalucci, Lawrence

Agent Cullen & Co

Pub. Number AU-B-2004222610

PCT Pub. Number WO2004/084119

Priority 10/388,344 13.03.03 US

Filing date 23 January 2004

Wipo publication date 30 September 2004

Acceptance publication date 22 February 2007

International Classifications

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

G06K 19/077 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - Constructional details, e.g. mounting of circuits in the carrier

H01F 41/04 (2006.01) Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass - for manufacturing coils

H03H 1/00 (2006.01) Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network

H01F 5/00 (2006.01) Coils

H01F 27/40 (2006.01) Details of transformers or inductances, in general

Event Publications

6 October 2005 PCT application entered the National Phase

  PCT publication WO2004/084119 Priority application(s): WO2004/084119

22 February 2007 Application Accepted

  Published as AU-B-2004222610

21 June 2007 Standard Patent Sealed

19 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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