JP4831183B2 - アンテナ装置 - Google Patents
アンテナ装置 Download PDFInfo
- Publication number
- JP4831183B2 JP4831183B2 JP2009043366A JP2009043366A JP4831183B2 JP 4831183 B2 JP4831183 B2 JP 4831183B2 JP 2009043366 A JP2009043366 A JP 2009043366A JP 2009043366 A JP2009043366 A JP 2009043366A JP 4831183 B2 JP4831183 B2 JP 4831183B2
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- Prior art keywords
- antenna
- magnetic sheet
- magnetic
- antenna device
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Landscapes
- Near-Field Transmission Systems (AREA)
- Coils Or Transformers For Communication (AREA)
Description
図1は、本発明の実施例1におけるアンテナ装置を示す構成図である。
以下、図5〜図7を用いて本発明の実施例2について説明する。なお、詳細な説明については、実施例1を援用する。
以下、図8、図9を用いて本発明の実施例3について説明する。なお、詳細な説明は実施例1、および実施例2を援用する。
2 磁性シート
11 ICチップ
12 アンテナ
13 共振用コンデンサ
14 整合用コンデンサ
15 フィルター用コンデンサ
16 インダクタ
17 抵抗
18 コンデンサ
51 アンテナ装置
52 補強部材
53、55 樹脂シート
54 アンテナ
56 磁性シート
57 金属板
Claims (1)
- 磁性シートと、前記磁性シート上に形成したコイル部と、送信信号を送出し、受信信号を受信するICチップと、前記ICチップと接続し、ローパスフィルタと第1のコンデンサと前記コイル部とを直列に接続し、前記ICチップから送出された送信信号を前記コイル部より送出する送信回路と、前記ICチップと接続し、前記コイル部と前記第1のコンデンサと抵抗部と第2のコンデンサとを直列に接続し、前記コイル部で受信した受信信号を前記ICチップに伝達する受信回路と、を備え、前記コイル部は1ターンで構成され、前記抵抗部の抵抗値を約0.54kΩに設定されており、前記磁性シートは、板状であり、かつ少なくとも複数の磁性体固片の集合体で形成され、前記コイル部の前記磁性シートとは反対側の面に、複数の固片状の補強部材を設け、前記補強部材は、前記磁性体より硬いことを特徴とするアンテナ装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009043366A JP4831183B2 (ja) | 2009-02-26 | 2009-02-26 | アンテナ装置 |
US12/639,238 US8188933B2 (en) | 2008-12-17 | 2009-12-16 | Antenna unit and mobile terminal therewith |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009043366A JP4831183B2 (ja) | 2009-02-26 | 2009-02-26 | アンテナ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010200061A JP2010200061A (ja) | 2010-09-09 |
JP4831183B2 true JP4831183B2 (ja) | 2011-12-07 |
Family
ID=42830254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009043366A Expired - Fee Related JP4831183B2 (ja) | 2008-12-17 | 2009-02-26 | アンテナ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4831183B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5717412B2 (ja) * | 2010-11-26 | 2015-05-13 | ルネサスエレクトロニクス株式会社 | 無線通信用半導体装置 |
KR101968615B1 (ko) * | 2011-05-17 | 2019-04-12 | 삼성전자주식회사 | 근거리 무선 통신 및 무선 전력 전송을 사용하기 위한 장치 및 방법 |
KR101850806B1 (ko) | 2011-07-22 | 2018-04-20 | 히타치 긴조쿠 가부시키가이샤 | 안테나 |
CN104221216B (zh) | 2012-03-30 | 2017-09-05 | 日立金属株式会社 | 近距离无线通信用天线、天线模块以及无线通信装置 |
JP5412594B1 (ja) * | 2012-11-13 | 2014-02-12 | 株式会社Maruwa | アンテナモジュール、アンテナモジュール前駆体及び該アンテナモジュールの製造方法 |
KR20140115209A (ko) * | 2013-03-20 | 2014-09-30 | 삼성에스디아이 주식회사 | 안테나를 갖는 배터리 팩 |
JP6715324B2 (ja) * | 2015-10-05 | 2020-07-01 | アモグリーンテック カンパニー リミテッド | 磁性シート、これを含むモジュールおよびこれを含む携帯用機器 |
JP7415916B2 (ja) * | 2018-04-09 | 2024-01-17 | ソニーグループ株式会社 | 非接触通信媒体及び記録媒体カートリッジ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005228908A (ja) * | 2004-02-13 | 2005-08-25 | Mitsubishi Materials Corp | 高周波磁芯材及びその製造方法並びに該磁芯材を備えたアンテナ |
JP4349319B2 (ja) * | 2004-09-30 | 2009-10-21 | パナソニック株式会社 | 無線通信媒体処理装置 |
JP4218635B2 (ja) * | 2004-12-17 | 2009-02-04 | パナソニック株式会社 | 磁性材の製造方法およびアンテナ装置 |
JP2006101370A (ja) * | 2004-09-30 | 2006-04-13 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
JP2006121579A (ja) * | 2004-10-25 | 2006-05-11 | Denso Corp | ループアンテナ回路及びそれを用いた送受信装置 |
JP2008194865A (ja) * | 2007-02-09 | 2008-08-28 | Matsushita Electric Ind Co Ltd | シート状成形体その製造方法 |
JP4798214B2 (ja) * | 2008-12-17 | 2011-10-19 | パナソニック株式会社 | アンテナ装置 |
-
2009
- 2009-02-26 JP JP2009043366A patent/JP4831183B2/ja not_active Expired - Fee Related
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Publication number | Publication date |
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JP2010200061A (ja) | 2010-09-09 |
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