Multi-frequency RFID apparatus and methods of reading RFID tags

Details for Australian Patent Application No. 2005292331 (hide)

Owner Symbol Technologies, Inc.

Inventors Duron, Mark William; Knadle, Richard T. Jr.; Bridgelall, Raj; Charych, Hal

Agent Davies Collison Cave

Pub. Number AU-A-2005292331

PCT Pub. Number WO2006/039229

Priority 10/957,529 30.09.04 US

Filing date 22 September 2005

Wipo publication date 13 April 2006

International Classifications

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

H01Q 21/28 (2006.01) Aerial arrays or systems

H01Q 21/30 (2006.01) Aerial arrays or systems - Combinations of separate aerial units operating in different wavebands and connected to a common feeder system

Event Publications

5 April 2007 PCT application entered the National Phase

  PCT publication WO2006/039229 Priority application(s): WO2006/039229

14 April 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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