JP2007060382A - 複合アンテナ - Google Patents
複合アンテナ Download PDFInfo
- Publication number
- JP2007060382A JP2007060382A JP2005244301A JP2005244301A JP2007060382A JP 2007060382 A JP2007060382 A JP 2007060382A JP 2005244301 A JP2005244301 A JP 2005244301A JP 2005244301 A JP2005244301 A JP 2005244301A JP 2007060382 A JP2007060382 A JP 2007060382A
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- Japan
- Prior art keywords
- antenna
- conductor
- frequency band
- dielectric substrate
- coiled
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- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/27—Spiral antennas
Abstract
【解決手段】電波方式で使用される第1の周波数帯において動作する第1のアンテナ11と、第1の周波数帯より低い電磁誘導方式で使用される第2の周波数帯において動作する第2のアンテナ12と、第1のアンテナ11と第2のアンテナ12とを一体的に保持する誘電体からなる保持部13とを備える。第1のアンテナ11を形成する導体層の厚さd1を、第2のアンテナ12を形成する導体層の厚さd2より薄くする。
【選択図】 図3
Description
[第1の実施の形態]
はじめに、本発明の第1の実施の形態である複合アンテナ10について、図1〜図4を用いて説明する。図1は複合アンテナ10の外観斜視図であり、図2は同複合アンテナ10の分解斜視図であり、図3は図1におけるA−A矢視断面の拡大図である。
次に、本発明の第2の実施の形態である複合アンテナ20について、図5〜図7を用いて説明する。図5は複合アンテナ20を上方から見た平面図であり、図6は図5におけるB−B矢視断面図であり、図7は同複合アンテナ20を下側から見た平面図である。
例えば複合アンテナ10,20の形状は、矩形状に限定されるものではなく、円形状や、三角形,五角形,六角形等の多角形状としてもよい。
Claims (6)
- 第1の周波数帯において動作する第1のアンテナと、
前記第1の周波数帯より低い第2の周波数帯において動作する第2のアンテナと、
前記第1のアンテナと前記第2のアンテナとを一体的に保持する誘電体からなる保持部とを具備し、
前記第1のアンテナを形成する導体層の厚さを、前記第2のアンテナを形成する導体層の厚さより薄くしたことを特徴とする複合アンテナ。 - 前記第1のアンテナを形成する導体層の厚さを、前記第2の周波数帯の電流が流れる表皮深さより薄くしたことを特徴とする請求項1記載の複合アンテナ。
- 前記第2のアンテナを形成する導体層の厚さを、前記第2の周波数帯の電流が流れる表皮深さ以上としたことを特徴とする請求項1記載の複合アンテナ。
- 前記第1のアンテナをパッチアンテナとし、前記第2のアンテナをコイル状アンテナとしたことを特徴とする請求項1記載の複合アンテナ。
- 前記第1のアンテナを第1の誘電体基板の片面に放射導体を設けるとともに前記第1の誘電体基板の他面に接地導体を設けてなるパッチアンテナとし、
前記第1のアンテナを形成する導体層を前記放射導体の層と前記接地導体の層とし、
前記第2のアンテナを第2の誘電体基板の片面にコイル状導体パターンを設けてなるコイル状アンテナとし、
前記第2のアンテナを形成する導体層を前記コイル状導体パターンの層とし、
前記誘電体からなる保持部を一方の面で前記パッチアンテナの接地導体を保持し他方の面で前記コイル状アンテナの前記コイル状導体パターンを保持する誘電体からなる保持部としたことを特徴とする請求項1記載の複合アンテナ。 - 前記第1のアンテナを誘電体基板の片面に放射導体を設けるとともに前記誘電体基板の他面に接地導体を設けてなるパッチアンテナとし、
前記第1のアンテナを形成する導体層を前記放射導体の層と前記接地導体の層とし、
前記誘電体からなる保持部を前記パッチアンテナの放射利得が小さい外周に設けられた誘電体からなる保持部とし、
前記第2のアンテナを前記保持部の外周に導体を巻回してなるコイル状アンテナとし、
前記第2のアンテナを形成する導体層を前記コイル状アンテナの導体層としたことを特徴とする請求項1記載の複合アンテナ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005244301A JP4071253B2 (ja) | 2005-08-25 | 2005-08-25 | 複合アンテナ |
EP06015224A EP1758204A1 (en) | 2005-08-25 | 2006-07-21 | Composite antenna |
US11/465,293 US7405707B2 (en) | 2005-08-25 | 2006-08-17 | Composite antenna |
CN2006101150980A CN1921225B (zh) | 2005-08-25 | 2006-08-24 | 复合天线 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005244301A JP4071253B2 (ja) | 2005-08-25 | 2005-08-25 | 複合アンテナ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007331127A Division JP4192202B2 (ja) | 2007-12-21 | 2007-12-21 | 複合アンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007060382A true JP2007060382A (ja) | 2007-03-08 |
JP4071253B2 JP4071253B2 (ja) | 2008-04-02 |
Family
ID=36791811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005244301A Expired - Fee Related JP4071253B2 (ja) | 2005-08-25 | 2005-08-25 | 複合アンテナ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7405707B2 (ja) |
EP (1) | EP1758204A1 (ja) |
JP (1) | JP4071253B2 (ja) |
CN (1) | CN1921225B (ja) |
Cited By (8)
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---|---|---|---|---|
JP2007150827A (ja) * | 2005-11-29 | 2007-06-14 | Denso Wave Inc | アンテナ装置 |
JP2009171070A (ja) * | 2008-01-11 | 2009-07-30 | Sony Corp | アンテナモジュール、通信装置及び通信システム |
JP2012159349A (ja) * | 2011-01-31 | 2012-08-23 | Denso Corp | アンテナ装置、レーダ装置、車載レーダシステム |
JP2017022475A (ja) * | 2015-07-08 | 2017-01-26 | Tdk株式会社 | アンテナ装置 |
KR101735370B1 (ko) * | 2015-11-06 | 2017-05-15 | 주식회사 이엠따블유 | 안테나 모듈 및 이를 구비하는 모바일 단말기 |
WO2018093041A1 (ko) * | 2016-11-15 | 2018-05-24 | 엘지이노텍(주) | 멀티 모드 안테나 및 그것을 이용한 무선 전력 수신 장치 |
JP2019169902A (ja) * | 2018-03-26 | 2019-10-03 | パナソニックIpマネジメント株式会社 | Icカード及びicカードケース |
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US8436780B2 (en) * | 2010-07-12 | 2013-05-07 | Q-Track Corporation | Planar loop antenna system |
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US8743006B2 (en) * | 2007-10-31 | 2014-06-03 | Nitta Corporation | Wireless communication-improving sheet member, wireless IC tag, antenna, and wireless communication system using the same |
US8144018B1 (en) * | 2008-03-06 | 2012-03-27 | Sensormatic Electronics, LLC | Combination electronic article surveillance/radio frequency identification antenna and method |
JP4562010B2 (ja) | 2008-06-04 | 2010-10-13 | ミツミ電機株式会社 | アンテナ素子 |
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JP4679631B2 (ja) * | 2008-11-28 | 2011-04-27 | 株式会社東芝 | 電子機器、およびアンテナユニット |
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-
2006
- 2006-07-21 EP EP06015224A patent/EP1758204A1/en not_active Ceased
- 2006-08-17 US US11/465,293 patent/US7405707B2/en not_active Expired - Fee Related
- 2006-08-24 CN CN2006101150980A patent/CN1921225B/zh not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007150827A (ja) * | 2005-11-29 | 2007-06-14 | Denso Wave Inc | アンテナ装置 |
JP4499650B2 (ja) * | 2005-11-29 | 2010-07-07 | 株式会社デンソーウェーブ | アンテナ装置 |
JP2009171070A (ja) * | 2008-01-11 | 2009-07-30 | Sony Corp | アンテナモジュール、通信装置及び通信システム |
JP2012159349A (ja) * | 2011-01-31 | 2012-08-23 | Denso Corp | アンテナ装置、レーダ装置、車載レーダシステム |
JP2017022475A (ja) * | 2015-07-08 | 2017-01-26 | Tdk株式会社 | アンテナ装置 |
KR101735370B1 (ko) * | 2015-11-06 | 2017-05-15 | 주식회사 이엠따블유 | 안테나 모듈 및 이를 구비하는 모바일 단말기 |
WO2018093041A1 (ko) * | 2016-11-15 | 2018-05-24 | 엘지이노텍(주) | 멀티 모드 안테나 및 그것을 이용한 무선 전력 수신 장치 |
JP2019169902A (ja) * | 2018-03-26 | 2019-10-03 | パナソニックIpマネジメント株式会社 | Icカード及びicカードケース |
JP7108902B2 (ja) | 2018-03-26 | 2022-07-29 | パナソニックIpマネジメント株式会社 | Icカード及びicカードケース |
CN112009276A (zh) * | 2019-05-28 | 2020-12-01 | 现代自动车株式会社 | 用于车辆的无线电力传输装置 |
KR20200136664A (ko) | 2019-05-28 | 2020-12-08 | 현대자동차주식회사 | 차량용 무선전력 송신장치 |
Also Published As
Publication number | Publication date |
---|---|
CN1921225B (zh) | 2011-02-16 |
JP4071253B2 (ja) | 2008-04-02 |
US20070046544A1 (en) | 2007-03-01 |
CN1921225A (zh) | 2007-02-28 |
US7405707B2 (en) | 2008-07-29 |
EP1758204A1 (en) | 2007-02-28 |
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