Title:
アンテナ装置
Document Type and Number:
Japanese Patent JP5696770
Kind Code:
B2
Abstract:
An antenna device (217) comprises a coil antenna (100) that includes a coil conductor (21), a planar conductor (11) and a booster antenna (130) The coil conductor is wound around a winding axis, the planar conductor includes a surface and an edge end portion, the surface extending along the winding axis, the edge end portion being adjacent to a coil opening of the coil conductor (21) The booster antenna (130) is coupled to the planar conductor (11) and the coil antenna (100) through a magnetic field or the booster antenna (130) is coupled to the planar conductor (11) or the coil antenna (100) through a magnetic field. The booster antenna (130) is attached to a housing (320) of equipment in which the booster antenna (130) is embedded.
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Inventors:
Teppei Miura
Jun Sasaki
Hiroyuki Kubo
Katsumi Taniguchi
Tokiko Kato
Ozawa Shindai
Satoshi Ishino
Jun Sasaki
Hiroyuki Kubo
Katsumi Taniguchi
Tokiko Kato
Ozawa Shindai
Satoshi Ishino
Application Number:
JP2013249177A
Publication Date:
April 08, 2015
Filing Date:
December 02, 2013
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01Q7/06
Domestic Patent References:
| JP3503467A | ||||
| JP2008042761A |
Foreign References:
| WO2008090745A1 | ||||
| US20030057288 |
Attorney, Agent or Firm:
Kaede International Patent Office