Title:
An antenna system, card type information media, electronic equipment, and a manufacturing method of an antenna system
Document Type and Number:
Japanese Patent JP6172418
Kind Code:
B2
Abstract:
An antenna device includes a coil including first linear conductors on a first principal surface side of a multilayer body, second linear conductors on a second principal surface side, first end-surface conductors and second end-surface conductors disposed on end surfaces. Each of the first linear conductors includes a first main portion, a first end portion, and a second end portion. Each of the second linear conductors includes a second main portion, a third end portion, and a fourth end portion. The width of each of the first end-surface conductors is smaller than the width of the first main portion and the width of the second main portion. The width of each of the second end-surface conductors is smaller than the width of the first main portion and the width of the second main portion.
Inventors:
Nobuyuki Amano
Application Number:
JP2017511042A
Publication Date:
August 02, 2017
Filing Date:
April 07, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01Q7/00; G06K7/10; G06K19/077; H01P11/00; H01Q1/24
Domestic Patent References:
| JP2014107606A | ||||
| JP2009284476A |
Foreign References:
| WO2012173080A1 |
Attorney, Agent or Firm:
Kaede International Patent Office
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