Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DUAL IC CARD
Document Type and Number:
Japanese Patent JP2015106331
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To conduct wires formed on a front side and a rear side of an antenna sheet without using means such as a through hole or caulking.SOLUTION: In an IC card of the present invention, all wires including a second coupling coil and an antenna coil formed on an antenna sheet base material are formed at least partially on a first side of the antenna sheet base material and a second opposite side interposing the antenna sheet base material therebetween, respectively. In each of the wires formed on the first side and the second side, at least one or more parts thereof are formed as a capacitor, and the wire formed on the first side and the wire formed on the second side are conducted via the capacitor.

Inventors:
KATAOKA SHIN
Application Number:
JP2013249001A
Publication Date:
June 08, 2015
Filing Date:
December 02, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOPPAN PRINTING CO LTD
International Classes:
G06K19/077; B42D25/305; G06K19/07; H01Q7/00
Domestic Patent References:
JPWO2012005278A12013-09-05
JPH11149538A1999-06-02
JP2002042083A2002-02-08
JP2001043340A2001-02-16