Title:
A bobbin member for non-contact information media and non-contact information media, a body member for non-contact information media, and a manufacturing method of non-contact information media
Document Type and Number:
Japanese Patent JP6039583
Kind Code:
B2
Abstract:
A contactless information medium includes: a body forming an outer shape of the contactless information medium; an IC chip housed in the body; a coil antenna which is formed of a string of conductive wire, both ends of the conductive wire being connected to the IC chip, and which includes a main arrangement pattern provided along a closed curve and a plurality of sub-arrangement patterns, each of which has a smaller diameter than the main arrangement pattern; and a plurality of bobbins provided in the body and arranged along the closed curve, the string of conductive wire being wound around the plurality of bobbins along the closed curve to form the main arrangement pattern, the string of conductive wire being wound around each of the bobbins to form the sub-arrangement patterns.
Inventors:
Masayuki Miura
Mikiyuki Otsuka
Shuhei Okubo
Mikiyuki Otsuka
Shuhei Okubo
Application Number:
JP2013551561A
Publication Date:
December 07, 2016
Filing Date:
December 05, 2012
Export Citation:
Assignee:
Nippon Jojo Co., Ltd.
International Classes:
H01Q7/00; G06K19/077; H01Q1/40
Domestic Patent References:
| JP2002217634A | ||||
| JP2003036431A | ||||
| JP2009147560A | ||||
| JP2004112685A | ||||
| JP2006215957A | ||||
| JP50011155A |
Attorney, Agent or Firm:
Sakai International Patent Office