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Title:
アンテナ装置およびその製造方法
Document Type and Number:
Japanese Patent JP6750488
Kind Code:
B2
Abstract:
To suppress deviation between a median value of a resonance frequency distribution of a manufactured antenna device and a design value of a resonance frequency, provided are an antenna device and a manufacturing method for the antenna device, the antenna device including at least: a plurality of rod-like cores (20) arranged in series; a coil (30) formed by winding a conductive wire; and a capacitor electrically connected to the coil (30), in which a first rod-like core (20A), which is selected from the plurality of rod-like cores (20), and a second rod-like core (20B), which is selected from the plurality of rod-like cores (20) and is arranged on any one end portion side of the first rod-like core (20A), are arranged apart from each other, and in which at least one end surface, which is selected from an end surface (22A) of the first rod-like core (20A) on a side on which the second rod-like core (20B) is arranged and an end surface (22B) of the second rod-like core (20B) on a side on which the first rod-like core (20A) is arranged, is located on an inner peripheral side of the coil (30).

Inventors:
Inoue
Doji Isao
Kei Tanaka
Takanari Fujimaki
Yoshinori Miura
Kawasaki Taishi
Hiromitsu Kuriki
Rokuka Takanobu
Hiroyuki Miyazaki
Application Number:
JP2016235337A
Publication Date:
September 02, 2020
Filing Date:
December 02, 2016
Export Citation:
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Assignee:
Sumida Corporation
International Classes:
H01Q7/08; H01P11/00
Domestic Patent References:
JP48019550Y1
JP9027708A
JP8271659A
JP2014146873A
JP2016134848A
Foreign References:
US20090278689
CN1507677A
Attorney, Agent or Firm:
Iat International Patent Business Corporation