JP4651474B2 - コイルアンテナ装置 - Google Patents
コイルアンテナ装置 Download PDFInfo
- Publication number
- JP4651474B2 JP4651474B2 JP2005217325A JP2005217325A JP4651474B2 JP 4651474 B2 JP4651474 B2 JP 4651474B2 JP 2005217325 A JP2005217325 A JP 2005217325A JP 2005217325 A JP2005217325 A JP 2005217325A JP 4651474 B2 JP4651474 B2 JP 4651474B2
- Authority
- JP
- Japan
- Prior art keywords
- coil antenna
- antenna device
- magnetic core
- metal
- coil
- 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.)
- Active
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- 229910052751 metal Inorganic materials 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 32
- 239000011347 resin Substances 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- 238000007747 plating Methods 0.000 claims description 15
- 239000010409 thin film Substances 0.000 claims 1
- 239000006247 magnetic powder Substances 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 13
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000007822 coupling agent Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 iron silicon aluminum Chemical compound 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Images
Landscapes
- Support Of Aerials (AREA)
Description
2 巻線コイル
3 コイルアンテナ
4 ドアハンドル
5 絶縁層
6 磁心
7 磁心より長いヨーク
Claims (1)
- 磁心と前記磁心に巻回されたコイルを備えたコイルアンテナと前記コイルアンテナの近傍に設置された金属筐体または金属めっき付き樹脂筐体を備えたコイルアンテナ装置において、前記コイルアンテナのある側の、前記金属筐体または前記金属めっき付き樹脂筐体の表面に絶縁層と、前記コイルの内側で、かつ前記絶縁層のある側と反対側に前記磁心に沿って装着された前記磁心より長い薄帯状のヨークを備えたことを特徴とするコイルアンテナ装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005217325A JP4651474B2 (ja) | 2005-07-27 | 2005-07-27 | コイルアンテナ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005217325A JP4651474B2 (ja) | 2005-07-27 | 2005-07-27 | コイルアンテナ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007036691A JP2007036691A (ja) | 2007-02-08 |
JP4651474B2 true JP4651474B2 (ja) | 2011-03-16 |
Family
ID=37795392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005217325A Active JP4651474B2 (ja) | 2005-07-27 | 2005-07-27 | コイルアンテナ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4651474B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008252462A (ja) * | 2007-03-30 | 2008-10-16 | Mitsubishi Materials Corp | キーレスエントリシステム |
US8907859B2 (en) | 2012-06-19 | 2014-12-09 | Intel Corporation | Edge-emitting antennas for ultra slim wireless mobile devices |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001308629A (ja) * | 2000-02-18 | 2001-11-02 | Aisin Seiki Co Ltd | ループアンテナ装置 |
JP2002204122A (ja) * | 2000-11-06 | 2002-07-19 | Mitsubishi Materials Corp | Rfid用アンテナ |
JP2004125606A (ja) * | 2002-10-02 | 2004-04-22 | Nec Tokin Corp | 電波時計用アンテナ |
JP2005039809A (ja) * | 2003-07-02 | 2005-02-10 | Nec Tokin Corp | コイルアンテナ |
US20050122270A1 (en) * | 2003-12-02 | 2005-06-09 | Casio Computer Co., Ltd | Electronic device and antenna apparatus |
WO2005053096A1 (ja) * | 2003-11-27 | 2005-06-09 | Hitachi Metals, Ltd. | アンテナ並びにこれを用いた電波時計、キーレスエントリーシステム及びrfidシステム |
JP2006060432A (ja) * | 2004-08-18 | 2006-03-02 | Mitsui Chemicals Inc | 電波送受信アンテナ |
JP2006304080A (ja) * | 2005-04-22 | 2006-11-02 | Hitachi Metals Ltd | 磁性体で封止したアンテナを有する電子回路 |
-
2005
- 2005-07-27 JP JP2005217325A patent/JP4651474B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001308629A (ja) * | 2000-02-18 | 2001-11-02 | Aisin Seiki Co Ltd | ループアンテナ装置 |
JP2002204122A (ja) * | 2000-11-06 | 2002-07-19 | Mitsubishi Materials Corp | Rfid用アンテナ |
JP2004125606A (ja) * | 2002-10-02 | 2004-04-22 | Nec Tokin Corp | 電波時計用アンテナ |
JP2005039809A (ja) * | 2003-07-02 | 2005-02-10 | Nec Tokin Corp | コイルアンテナ |
WO2005053096A1 (ja) * | 2003-11-27 | 2005-06-09 | Hitachi Metals, Ltd. | アンテナ並びにこれを用いた電波時計、キーレスエントリーシステム及びrfidシステム |
US20050122270A1 (en) * | 2003-12-02 | 2005-06-09 | Casio Computer Co., Ltd | Electronic device and antenna apparatus |
JP2006060432A (ja) * | 2004-08-18 | 2006-03-02 | Mitsui Chemicals Inc | 電波送受信アンテナ |
JP2006304080A (ja) * | 2005-04-22 | 2006-11-02 | Hitachi Metals Ltd | 磁性体で封止したアンテナを有する電子回路 |
Also Published As
Publication number | Publication date |
---|---|
JP2007036691A (ja) | 2007-02-08 |
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