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Title:
非接触ICタグ
Document Type and Number:
Japanese Patent JP4743434
Kind Code:
B2
Abstract:

To provide a non-contact IC tag in which both an original non-contact IC tag and a small-cut non-contact IC tag of resonate at a prescribed same frequency of a UHF band or microwave band.

In the non-contact IC tag 1, two dipole type plane antenna elements 41 and 42 which resonate at a radio wave of a prescribed frequency of a UHF band or a microwave band are connected to two or more antenna input terminals of an IC chip 3 having a diversity function, the IC chip 3 selects one plane antenna element having a higher signal input, a planned cut line 5 at a fixed position for cutting the two dipole type plane antenna elements is provided at a position adjacent to the IC chip 3, and a function of the plane antenna element 41 with no IC chip 3 is eliminated after cutting from the planned cut line 5.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
Hitoshi Mikada
Takuya Inoue
Application Number:
JP2006354240A
Publication Date:
August 10, 2011
Filing Date:
December 28, 2006
Export Citation:
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Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
H01Q3/24; G06K19/07; G06K19/077; G09F3/00; H01Q1/38; H01Q9/26; H04B5/02; H04B7/08
Domestic Patent References:
JP2001292025A
JP5029994A
JP2005284516A
JP2006301828A
JP2007086863A
JP10039758A
JP2005115862A
Foreign References:
WO2005119585A1
WO2006114821A1
Attorney, Agent or Firm:
Satoshi Kanayama
Keiko Fukamachi
Hideo Ito
Hiromi Fujimasu
Naoki Goto