JP2007318323A - 無線タグ及び無線タグ用アンテナ - Google Patents
無線タグ及び無線タグ用アンテナ Download PDFInfo
- Publication number
- JP2007318323A JP2007318323A JP2006144291A JP2006144291A JP2007318323A JP 2007318323 A JP2007318323 A JP 2007318323A JP 2006144291 A JP2006144291 A JP 2006144291A JP 2006144291 A JP2006144291 A JP 2006144291A JP 2007318323 A JP2007318323 A JP 2007318323A
- Authority
- JP
- Japan
- Prior art keywords
- pair
- wireless tag
- antenna
- tag
- conductor plates
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
-
- 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
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
- Credit Cards Or The Like (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Burglar Alarm Systems (AREA)
Abstract
【解決手段】無線タグ用アンテナは、誘電体基板と、前記誘電体基板の一方面上に設けられた一対の導体板とを有し、一対の導体板は、無線タグ用集積回路の搭載位置に関して点対称な形状を有する。このアンテナ構造は無線タグ用集積回路に整合しやすいので、整合用の調整回路を更に用意しなくて済む。一対の導体板は円偏波信号を送受信できるように、各導体板の輪郭に直線部分を含んでもよい。これにより通信可能な距離が更に拡大される。
【選択図】図1A
Description
「EPC C1G2規格に準拠したRFIDのリーダ/ライターと金属貼付用タグを開発」、三菱電機株式会社 広報部、西暦2005年9月7日、インターネット<http://www.mitsubishielectric.co.jp/news-data/2005/pdf/0907-b.pdf>
本発明は、上記の問題に鑑みてなされたものであり、その課題は、通信可能な距離が長く厚みの薄い無線タグ用アンテナ及び無線タグを提供することである。
を有し、前記一対の導体板は、無線タグ用集積回路の搭載位置に関して点対称な形状を有する無線タグ用アンテナが使用される。
f=(2π√(LC))−1 ;及び
R1=R2;
であることが必要とされる。
誘電体基板と、
前記誘電体基板の一方面上に設けられた一対の導体板と、
を有し、前記一対の導体板は、無線タグ用集積回路の搭載位置に関して点対称な形状を有する
ことを特徴とする無線タグ用アンテナ。
前記一対の導体板及び前記搭載位置が、前記一方面上の或る基準直線に沿って整列する
ことを特徴とする付記1記載の無線タグ用アンテナ。
前記一対の導体板各々の輪郭が、前記基準直線に平行な直線部分を有する
ことを特徴とする付記2記載の無線タグ用アンテナ。
前記一対の導体板各々の輪郭が、前記基準直線に垂直な直線部分を有する
ことを特徴とする付記2記載の無線タグ用アンテナ。
前記一対の導体板各々の輪郭が、実質的に三角形をなす
ことを特徴とする付記2記載の無線タグ用アンテナ。
前記誘電体基板の他方面上に接地導体板が設けられる
ことを特徴とする付記1記載の無線タグ用アンテナ。
前記一対の導体板は、円偏波信号を送受信するように構成される
ことを特徴とする付記1記載の無線タグ用アンテナ。
前記一対の導体板各々の輪郭は、鈍角をなす頂点を1以上有する
ことを特徴とする付記7記載の無線タグ用アンテナ。
前記一対の導体板各々の輪郭は、4より多くの頂点を有する多角形をなす
ことを特徴とする付記8記載の無線タグ用アンテナ。
一方の導体板の給電端子と他方の導体板の給電端子との間の線路に並列に一対のインダクタンス素子が設けられる
ことを特徴とする付記7記載の無線タグ用アンテナ。
前記一対のインダクタンス素子を形成する一対の線路が、前記搭載位置に関して点対称な形状を有する
ことを特徴とする付記10記載の無線タグ用アンテナ。
前記一対の導体板を通じてUHF帯の信号が送受信される
ことを特徴とする付記1記載の無線タグ用アンテナ。
付記1記載の無線タグ用アンテナと、
前記搭載位置に設けられ、前記一対の導体板に接続された無線タグ用集積回路と、
を有することを特徴とする無線タグ。
12,13 一対の導体板
14 タグLSI搭載場所
15 接地導体板
82,83 一対の導体板
84 タグLSI搭載場所
85,86 インダクタンス素子
112,113 一対の導体板
114 タグLSI搭載場所
115,116 インダクタンス素子
E,F 給電端子
Z 直線部分
Claims (10)
- 誘電体基板と、
前記誘電体基板の一方面上に設けられた一対の導体板と、
を有し、前記一対の導体板は、無線タグ用集積回路の搭載位置に関して点対称な形状を有する
ことを特徴とする無線タグ用アンテナ。 - 前記一対の導体板及び前記搭載位置が、前記一方面上の或る基準直線に沿って整列する
ことを特徴とする請求項1記載の無線タグ用アンテナ。 - 前記一対の導体板各々の輪郭が、前記基準直線に平行な直線部分を有する
ことを特徴とする請求項2記載の無線タグ用アンテナ。 - 前記一対の導体板各々の輪郭が、前記基準直線に垂直な直線部分を有する
ことを特徴とする請求項2記載の無線タグ用アンテナ。 - 前記誘電体基板の他方面上に接地導体板が設けられる
ことを特徴とする請求項1記載の無線タグ用アンテナ。 - 前記一対の導体板は、円偏波信号を送受信するように構成される
ことを特徴とする請求項1記載の無線タグ用アンテナ。 - 前記一対の導体板各々の輪郭は、鈍角をなす頂点を1以上有する
ことを特徴とする請求項6記載の無線タグ用アンテナ。 - 一方の導体板の給電端子と他方の導体板の給電端子との間の線路に並列に一対のインダクタンス素子が設けられる
ことを特徴とする請求項6記載の無線タグ用アンテナ。 - 前記一対のインダクタンス素子を形成する一対の線路が、前記搭載位置に関して点対称な形状を有する
ことを特徴とする請求項8記載の無線タグ用アンテナ。 - 請求項1記載の無線タグ用アンテナと、
前記搭載位置に設けられ、前記一対の導体板に接続された無線タグ用集積回路と、
を有することを特徴とする無線タグ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006144291A JP4825582B2 (ja) | 2006-05-24 | 2006-05-24 | 無線タグ及び無線タグ用アンテナ |
TW095135342A TWI324416B (en) | 2006-05-24 | 2006-09-25 | Radio frequency identification tag and antenna for radio frequency identification tag |
EP06020271A EP1862946A1 (en) | 2006-05-24 | 2006-09-27 | Radio frequency identification tag and antenna for radio frequency identification tag |
US11/527,331 US7633445B2 (en) | 2006-05-24 | 2006-09-27 | Radio frequency identification tag and antenna for radio frequency identification tag |
KR1020060101693A KR100848237B1 (ko) | 2006-05-24 | 2006-10-19 | 무선 태그 및 무선 태그용 안테나 |
CN2006101371127A CN101079515B (zh) | 2006-05-24 | 2006-10-20 | 射频识别标签和用于射频识别标签的天线 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006144291A JP4825582B2 (ja) | 2006-05-24 | 2006-05-24 | 無線タグ及び無線タグ用アンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007318323A true JP2007318323A (ja) | 2007-12-06 |
JP4825582B2 JP4825582B2 (ja) | 2011-11-30 |
Family
ID=38141274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006144291A Expired - Fee Related JP4825582B2 (ja) | 2006-05-24 | 2006-05-24 | 無線タグ及び無線タグ用アンテナ |
Country Status (6)
Country | Link |
---|---|
US (1) | US7633445B2 (ja) |
EP (1) | EP1862946A1 (ja) |
JP (1) | JP4825582B2 (ja) |
KR (1) | KR100848237B1 (ja) |
CN (1) | CN101079515B (ja) |
TW (1) | TWI324416B (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008136414A1 (ja) * | 2007-04-27 | 2008-11-13 | Nec Corporation | ワイドバンドアンテナ |
WO2009104617A1 (ja) * | 2008-02-18 | 2009-08-27 | 日本電気株式会社 | ワイドバンドアンテナおよびそれを用いたウエア、持ち物 |
JP2009251942A (ja) * | 2008-04-07 | 2009-10-29 | Nec Tokin Corp | 無線タグおよびその使用方法 |
JP2010199895A (ja) * | 2009-02-24 | 2010-09-09 | Fujitsu Ltd | アンテナ装置及び電子機器 |
JP2012252442A (ja) * | 2011-06-01 | 2012-12-20 | Toppan Printing Co Ltd | 非接触icラベル及び情報識別システム |
JP2016116016A (ja) * | 2014-12-12 | 2016-06-23 | 国立研究開発法人情報通信研究機構 | 広帯域円偏波アンテナ |
WO2020009114A1 (ja) * | 2018-07-05 | 2020-01-09 | 株式会社デンソー | アンテナ装置 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7952464B2 (en) * | 2006-10-05 | 2011-05-31 | Intermec Ip Corp. | Configurable RFID tag with protocol and band selection |
US20080180254A1 (en) * | 2007-01-31 | 2008-07-31 | Kajander John A | Circularly-polarized rfid tag antenna structure |
US7868841B2 (en) * | 2007-04-11 | 2011-01-11 | Vubiq Incorporated | Full-wave di-patch antenna |
KR101065651B1 (ko) * | 2009-04-28 | 2011-09-19 | 건국대학교 산학협력단 | 알에프아이디 태그 안테나 |
KR101070486B1 (ko) * | 2010-01-08 | 2011-10-05 | 엘에스산전 주식회사 | Rfid 태그 |
WO2012170865A2 (en) * | 2011-06-09 | 2012-12-13 | Lgc Wireless, Llc | Antenna module having integrated radio frequency circuitry |
KR101464261B1 (ko) * | 2013-10-29 | 2014-11-21 | 위너콤 주식회사 | 룸미러에 장착되는 차량용 하이패스 단말기의 안테나장치 |
US9401738B2 (en) * | 2014-07-15 | 2016-07-26 | Mediatek Singapore Pte. Ltd. | Method for simplified closed-loop antenna tuning |
KR102060406B1 (ko) | 2015-11-04 | 2019-12-30 | 가부시키가이샤 무라타 세이사쿠쇼 | 분파 장치 및 그 설계 방법 |
CN115193141B (zh) | 2017-08-30 | 2024-02-27 | 康明斯滤清系统知识产权公司 | 用于正品过滤器识别的联锁装置 |
US11705617B2 (en) * | 2019-12-04 | 2023-07-18 | Avery Dennison Retail Information Services, Llc | Pad structures for antennas that allow multiple orientations with RFID straps |
CN111815886B (zh) * | 2020-06-16 | 2022-02-15 | 广东齐达科技有限公司 | 安防天线装置的控制方法、装置、防盗系统及存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19703864A1 (de) * | 1997-02-03 | 1998-06-25 | Markus Dr Ing Thieme | Streifenleitungs-Antennenelement für zirkular polarisierte elektromagnetische Wellen |
JP2002525726A (ja) * | 1998-09-11 | 2002-08-13 | モトローラ・インコーポレイテッド | 静電無線周波数識別タグ装置とこれに関連する方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6215402B1 (en) * | 1998-03-13 | 2001-04-10 | Intermec Ip Corp. | Radio frequency identification transponder employing patch antenna |
US6320509B1 (en) | 1998-03-16 | 2001-11-20 | Intermec Ip Corp. | Radio frequency identification transponder having a high gain antenna configuration |
US6147606A (en) | 1998-03-26 | 2000-11-14 | Intermec Ip Corp. | Apparatus and method for radio frequency transponder with improved read distance |
TW518802B (en) | 2001-10-03 | 2003-01-21 | Accton Technology Corp | Broadband circularly polarized panel antenna |
US7336243B2 (en) * | 2003-05-29 | 2008-02-26 | Sky Cross, Inc. | Radio frequency identification tag |
CA2489262A1 (en) | 2003-12-10 | 2005-06-10 | Asahi Glass Company, Limited | Planar antenna |
US7158037B2 (en) | 2004-03-22 | 2007-01-02 | Avery Dennison Corporation | Low cost method of producing radio frequency identification tags with straps without antenna patterning |
JP4348282B2 (ja) | 2004-06-11 | 2009-10-21 | 株式会社日立製作所 | 無線用icタグ、及び無線用icタグの製造方法 |
KR100680711B1 (ko) * | 2004-08-21 | 2007-02-09 | 삼성전자주식회사 | 향상된 대역폭을 갖는 소형 안테나와 무선 인식 및 무선센서 트랜스폰더에 이용되는 소형 렉테나 |
US7501955B2 (en) | 2004-09-13 | 2009-03-10 | Avery Dennison Corporation | RFID device with content insensitivity and position insensitivity |
KR100952797B1 (ko) * | 2004-12-14 | 2010-04-14 | 후지쯔 가부시끼가이샤 | 안테나 및 비접촉형 태그 |
US7262701B1 (en) * | 2005-05-23 | 2007-08-28 | National Semiconductor Corporation | Antenna structures for RFID devices |
US7468407B2 (en) * | 2005-09-26 | 2008-12-23 | National Starch And Chemical Investment Holding Copporation | Metal salts of quinolinols and quinolinol derivatives in curable compositions |
JP4794974B2 (ja) * | 2005-10-19 | 2011-10-19 | 富士通株式会社 | タグアンテナ,これを用いるタグ及びrfidシステム。 |
-
2006
- 2006-05-24 JP JP2006144291A patent/JP4825582B2/ja not_active Expired - Fee Related
- 2006-09-25 TW TW095135342A patent/TWI324416B/zh not_active IP Right Cessation
- 2006-09-27 EP EP06020271A patent/EP1862946A1/en not_active Withdrawn
- 2006-09-27 US US11/527,331 patent/US7633445B2/en not_active Expired - Fee Related
- 2006-10-19 KR KR1020060101693A patent/KR100848237B1/ko not_active IP Right Cessation
- 2006-10-20 CN CN2006101371127A patent/CN101079515B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19703864A1 (de) * | 1997-02-03 | 1998-06-25 | Markus Dr Ing Thieme | Streifenleitungs-Antennenelement für zirkular polarisierte elektromagnetische Wellen |
JP2002525726A (ja) * | 1998-09-11 | 2002-08-13 | モトローラ・インコーポレイテッド | 静電無線周波数識別タグ装置とこれに関連する方法 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008136414A1 (ja) * | 2007-04-27 | 2008-11-13 | Nec Corporation | ワイドバンドアンテナ |
US8314739B2 (en) | 2007-04-27 | 2012-11-20 | Nec Corporation | Wideband antenna |
WO2009104617A1 (ja) * | 2008-02-18 | 2009-08-27 | 日本電気株式会社 | ワイドバンドアンテナおよびそれを用いたウエア、持ち物 |
US7948445B2 (en) | 2008-02-18 | 2011-05-24 | Nec Corporation | Wideband antenna and clothing and articles using the same |
JP2009251942A (ja) * | 2008-04-07 | 2009-10-29 | Nec Tokin Corp | 無線タグおよびその使用方法 |
JP2010199895A (ja) * | 2009-02-24 | 2010-09-09 | Fujitsu Ltd | アンテナ装置及び電子機器 |
US8537052B2 (en) | 2009-02-24 | 2013-09-17 | Fujitsu Limited | Antenna and electronic device equipped with the same |
JP2012252442A (ja) * | 2011-06-01 | 2012-12-20 | Toppan Printing Co Ltd | 非接触icラベル及び情報識別システム |
JP2016116016A (ja) * | 2014-12-12 | 2016-06-23 | 国立研究開発法人情報通信研究機構 | 広帯域円偏波アンテナ |
WO2020009114A1 (ja) * | 2018-07-05 | 2020-01-09 | 株式会社デンソー | アンテナ装置 |
US11502426B2 (en) | 2018-07-05 | 2022-11-15 | Denso Corporation | Antenna device |
Also Published As
Publication number | Publication date |
---|---|
EP1862946A1 (en) | 2007-12-05 |
JP4825582B2 (ja) | 2011-11-30 |
TW200744256A (en) | 2007-12-01 |
CN101079515A (zh) | 2007-11-28 |
KR100848237B1 (ko) | 2008-07-24 |
US20070273527A1 (en) | 2007-11-29 |
US7633445B2 (en) | 2009-12-15 |
TWI324416B (en) | 2010-05-01 |
KR20070113080A (ko) | 2007-11-28 |
CN101079515B (zh) | 2012-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4825582B2 (ja) | 無線タグ及び無線タグ用アンテナ | |
JP4363409B2 (ja) | Rfidタグ及びその製造方法 | |
Zhang et al. | A dual-layer broadband compact UHF RFID tag antenna for platform tolerant application | |
TW200832234A (en) | RFID tag | |
JP2007116300A (ja) | タグアンテナ,これを用いるタグ及びrfidシステム。 | |
JP2008123231A (ja) | Rfidタグ読取システムおよびrfidタグ読取方法 | |
Li et al. | Eye-shaped segmented reader antenna for near-field UHF RFID applications | |
WO2016127595A1 (zh) | 无线射频识别rfid标签天线 | |
Lin et al. | Design of an omnidirectional polarized RFID tag antenna for safety glass applications | |
Sanil et al. | Design of an U shaped slotted patch antenna for RFID Vehicle Identification | |
Chang et al. | A dual-environment active RFID tag antenna mountable on metallic objects | |
JP2006180043A (ja) | 電子タグシステム | |
Faudzi et al. | Microstrip dipole UHF-RFID tag antenna for metal object tagging | |
Lin et al. | Compact shorted inverted‐L antenna with circular polarisation for RFID handheld reader | |
Wang | A compact antenna design for UHF RFID applications | |
JP4710844B2 (ja) | Rfidタグ | |
Kholodnyak et al. | 3D antenna for UHF RFID tags with eliminated read-orientation sensitivity | |
Tseng et al. | Circularly polarized circular microstrip RFID tag antenna | |
KR100973608B1 (ko) | Uhf 대역 rfid 리더기용 원형 편파 안테나 구조 | |
Petrariu et al. | Metal mountable microstrip patch UHF RFID tag antenna | |
Tikhov et al. | A novel small antenna for passive RFID transponder | |
KR100993274B1 (ko) | 전파 인식 태그에 적용 가능하고 빔 방향 조절이 가능한평면형 안테나 | |
KR20070009892A (ko) | 등방성 복사패턴을 갖는 광대역 안테나 | |
Kuo et al. | Compact circularly polarized circular microstrip tag antenna mountable on metallic surface | |
Mun et al. | A compact dual-band RFID tag antenna mountable on metallic objects |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090309 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100927 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101207 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110126 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110816 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110912 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140916 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |