JP2008160781A - Rfidリーダ用多重ループアンテナ、これを有するrfidリーダ、及びこれを有するrfidシステム - Google Patents
Rfidリーダ用多重ループアンテナ、これを有するrfidリーダ、及びこれを有するrfidシステム Download PDFInfo
- Publication number
- JP2008160781A JP2008160781A JP2007000548A JP2007000548A JP2008160781A JP 2008160781 A JP2008160781 A JP 2008160781A JP 2007000548 A JP2007000548 A JP 2007000548A JP 2007000548 A JP2007000548 A JP 2007000548A JP 2008160781 A JP2008160781 A JP 2008160781A
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- rfid reader
- loop antenna
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
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- 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
- H01Q7/04—Screened antennas
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
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- 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
- H01Q1/2216—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 interrogator/reader equipment
-
- 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
- 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
- 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
- H01Q7/02—Collapsible antennas; Retractable antennas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
【解決手段】RFIDリーダ用多重ループアンテナは、RFIDタグと電磁気誘導により情報を交換するためのものであって、1回以上巻回された3つ以上の巻線グループを含み、それぞれの巻線グループが直列及び並列に接続されている。
【選択図】図1
Description
本発明によるRFIDリーダ用多重ループアンテナは、少なくともN個(ここで、Nは3以上の整数であり、本実施例では3つである)の巻線グループ100、210、220が、V0の電圧を印加する第1電源入力端子410及び第2電源入力端子420を基準に互いに直並列に接続されている。
210 第1並列巻線グループ
220 第2並列巻線グループ
410 第1電源入力端子
420 第2電源入力端子
Claims (8)
- RFIDタグと電磁気誘導により情報を交換するためのRFIDリーダ用ループアンテナであって、
1回以上巻回された3つ以上の巻線グループを含み、
前記それぞれの巻線グループが直列及び並列に接続されていることを特徴とするRFIDリーダ用多重ループアンテナ。 - 前記それぞれの巻線グループが全て同一方向に巻回されていることを特徴とする請求項1に記載のRFIDリーダ用多重ループアンテナ。
- 前記RFIDタグが物品の一部をなすことを特徴とする請求項1に記載のRFIDリーダ用多重ループアンテナ。
- 前記物品が携帯用物品であることを特徴とする請求項3に記載のRFIDリーダ用多重ループアンテナ。
- 前記それぞれの巻線グループが間隔をおいて設置されていることを特徴とする請求項1に記載のRFIDリーダ用多重ループアンテナ。
- 請求項1から請求項5のいずれかに記載の多重ループアンテナを含むRFIDリーダ。
- 請求項6のRFIDリーダとRFIDタグとを含むRFIDシステム。
- RFIDタグと電磁気誘導により情報を交換するためのRFIDリーダ用ループアンテナであって、
一端が第1電源入力端子に接続される1つ以上の直列巻線グループと、
一端が前記直列巻線グループの他端に接続され、他端が第2電源入力端子に接続される複数の並列巻線グループと、
を含むことを特徴とするRFIDリーダ用多重ループアンテナ。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20060130804 | 2006-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008160781A true JP2008160781A (ja) | 2008-07-10 |
| JP4452782B2 JP4452782B2 (ja) | 2010-04-21 |
Family
ID=39541978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007000548A Expired - Fee Related JP4452782B2 (ja) | 2006-12-20 | 2007-01-05 | Rfidリーダ用多重ループアンテナ、これを有するrfidリーダ、及びこれを有するrfidシステム |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20080150693A1 (ja) |
| JP (1) | JP4452782B2 (ja) |
| KR (1) | KR100965494B1 (ja) |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010200314A (ja) * | 2009-01-30 | 2010-09-09 | Toda Kogyo Corp | 磁性体アンテナ及びrfタグ並びに該rfタグを実装した基板 |
| JP2013511925A (ja) * | 2009-11-23 | 2013-04-04 | ハリス コーポレイション | 周転円構造及び等方性放射を有する平面通信アンテナ及び関連する方法 |
| JP2014175864A (ja) * | 2013-03-08 | 2014-09-22 | Nucurrent Inc | 高効率の無線通信用多層ワイヤ構造 |
| JP2014212383A (ja) * | 2013-04-17 | 2014-11-13 | 日本電信電話株式会社 | 逆相二重ループアンテナ |
| JP2016150212A (ja) * | 2015-02-19 | 2016-08-22 | 株式会社セガゲームス | 自動麻雀卓および遊技用卓 |
| JP2017183950A (ja) * | 2016-03-30 | 2017-10-05 | 株式会社バンダイ | 玩具システム及び玩具 |
| US9941729B2 (en) | 2015-08-07 | 2018-04-10 | Nucurrent, Inc. | Single layer multi mode antenna for wireless power transmission using magnetic field coupling |
| US9941743B2 (en) | 2015-08-07 | 2018-04-10 | Nucurrent, Inc. | Single structure multi mode antenna having a unitary body construction for wireless power transmission using magnetic field coupling |
| US9941590B2 (en) | 2015-08-07 | 2018-04-10 | Nucurrent, Inc. | Single structure multi mode antenna for wireless power transmission using magnetic field coupling having magnetic shielding |
| US9948129B2 (en) | 2015-08-07 | 2018-04-17 | Nucurrent, Inc. | Single structure multi mode antenna for wireless power transmission using magnetic field coupling having an internal switch circuit |
| US9960628B2 (en) | 2015-08-07 | 2018-05-01 | Nucurrent, Inc. | Single structure multi mode antenna having a single layer structure with coils on opposing sides for wireless power transmission using magnetic field coupling |
| US9960629B2 (en) | 2015-08-07 | 2018-05-01 | Nucurrent, Inc. | Method of operating a single structure multi mode antenna for wireless power transmission using magnetic field coupling |
| US10063100B2 (en) | 2015-08-07 | 2018-08-28 | Nucurrent, Inc. | Electrical system incorporating a single structure multimode antenna for wireless power transmission using magnetic field coupling |
| US10432032B2 (en) | 2016-12-09 | 2019-10-01 | Nucurrent, Inc. | Wireless system having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling |
| US10636563B2 (en) | 2015-08-07 | 2020-04-28 | Nucurrent, Inc. | Method of fabricating a single structure multi mode antenna for wireless power transmission using magnetic field coupling |
| US10658847B2 (en) | 2015-08-07 | 2020-05-19 | Nucurrent, Inc. | Method of providing a single structure multi mode antenna for wireless power transmission using magnetic field coupling |
| US10879705B2 (en) | 2016-08-26 | 2020-12-29 | Nucurrent, Inc. | Wireless connector receiver module with an electrical connector |
| US10903688B2 (en) | 2017-02-13 | 2021-01-26 | Nucurrent, Inc. | Wireless electrical energy transmission system with repeater |
| US10985465B2 (en) | 2015-08-19 | 2021-04-20 | Nucurrent, Inc. | Multi-mode wireless antenna configurations |
| US11056922B1 (en) | 2020-01-03 | 2021-07-06 | Nucurrent, Inc. | Wireless power transfer system for simultaneous transfer to multiple devices |
| US11152151B2 (en) | 2017-05-26 | 2021-10-19 | Nucurrent, Inc. | Crossover coil structure for wireless transmission |
| US11205848B2 (en) | 2015-08-07 | 2021-12-21 | Nucurrent, Inc. | Method of providing a single structure multi mode antenna having a unitary body construction for wireless power transmission using magnetic field coupling |
| US11227712B2 (en) | 2019-07-19 | 2022-01-18 | Nucurrent, Inc. | Preemptive thermal mitigation for wireless power systems |
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| JP5029371B2 (ja) * | 2008-01-08 | 2012-09-19 | パナソニック株式会社 | アンテナ装置およびその調整方法 |
| WO2010066955A1 (fr) | 2008-12-11 | 2010-06-17 | Yves Eray | Circuit d'antenne rfid |
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2007
- 2007-01-05 JP JP2007000548A patent/JP4452782B2/ja not_active Expired - Fee Related
- 2007-06-28 US US11/770,350 patent/US20080150693A1/en not_active Abandoned
- 2007-11-30 KR KR1020070123991A patent/KR100965494B1/ko active Active
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| US9941590B2 (en) | 2015-08-07 | 2018-04-10 | Nucurrent, Inc. | Single structure multi mode antenna for wireless power transmission using magnetic field coupling having magnetic shielding |
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| US9948129B2 (en) | 2015-08-07 | 2018-04-17 | Nucurrent, Inc. | Single structure multi mode antenna for wireless power transmission using magnetic field coupling having an internal switch circuit |
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| US11025070B2 (en) | 2015-08-07 | 2021-06-01 | Nucurrent, Inc. | Device having a multimode antenna with at least one conductive wire with a plurality of turns |
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Also Published As
| Publication number | Publication date |
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| KR100965494B1 (ko) | 2010-06-24 |
| KR20080058176A (ko) | 2008-06-25 |
| US20080150693A1 (en) | 2008-06-26 |
| JP4452782B2 (ja) | 2010-04-21 |
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