Radio frequency identification tag with improved directivity and coverage distance stability

Details for Australian Patent Application No. 2005248925 (hide)

Owner Hitachi, Ltd.

Inventors Sakama, Isao; Ashizawa, Minoru

Agent FB Rice

Pub. Number AU-B-2005248925

Priority 2005-133438 28.04.05 JP

Filing date 23 December 2005

Wipo publication date 16 November 2006

Acceptance publication date 13 September 2007

International Classifications

H01Q 23/00 (2006.01) Aerials with active circuits or circuit elements integrated within them or attached to them

H01Q 25/00 (2006.01) Aerials or aerial systems providing at least two radiating patterns

Event Publications

19 January 2006 Complete Application Filed

  Priority application(s): 2005-133438 28.04.05 JP

16 November 2006 Application Open to Public Inspection

  Published as AU-B-2005248925

13 September 2007 Application Accepted

  Published as AU-B-2005248925

17 January 2008 Standard Patent Sealed

19 July 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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