JP2015524191A - 反応型近距離場rfid通信のための適応的カプラ - Google Patents
反応型近距離場rfid通信のための適応的カプラ Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
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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
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Abstract
Description
Claims (20)
- 任意の幾何学形状の平面金属トレースへ電磁力を結合するための多層電磁カプラ配列であって、
電磁力が結合される金属トレースの至近に配置される電磁カプラ配列の最表面を形成する最表面層と、
表面が前記最表面層によって覆われている誘電体層と、
交流電磁入力場信号を提供するための入力信号ソース層と、
前記位相変更素子の各々と隣接素子との間の位置を空間的に変更するために位相補償を行うようなサイズとされ、かつ互いに配置され、したがって、入力場信号を、最表面にわたって実質的に一定の位相を有する分布した電磁場へ変換する、位相変更素子の1次元または2次元の配列とを備え、
前記位相変更素子の1次元または2次元の配列は、前記入力信号ソース層と前記誘電体層との間に設けられる、多層電磁カプラ配列。 - 前記入力信号ソース層は、ターゲット波長を有する導波入力信号を提供し、前記ターゲット波長は、前記誘電体層の材料の均質な誘電体を伝播する波長であり、
前記位相変更素子の各々のサイズは、前記ターゲット波長の2分の1よりも著しく小さい、請求項1に記載の多層電磁カプラ配列。 - 前記最表面層は、開口部および/または微細構造を有する金属材料を備える、請求項1または2に記載の多層電磁カプラ配列。
- 前記微細構造および/または開口部間の寸法および距離の特徴サイズは、前記誘電体層における電磁場の導波長よりも実質的に小さい、請求項3に記載の多層電磁カプラ配列。
- 前記位相変更素子の1次元または2次元の配列は、伝送線路ネットワークを備える、請求項1〜4のいずれかに記載の多層電磁カプラ配列。
- 前記伝送線路ネットワークは、複数の伝送線路層を備え、
前記伝送線路層の間、および前記最表面から最も遠く離れた伝送線路層と前記入力信号ソース層との間には、さらなる誘電体層が設けられる、請求項5に記載の多層電磁カプラ配列。 - 前記位相変更素子の1次元または2次元の配列は、開口部を有する金属層を備え、前記金属層は、前記誘電体層と前記入力信号ソース層との間に配置される、請求項1〜6のいずれかに記載の多層電磁カプラ配列。
- 開口部を有する前記金属層と前記入力信号ソース層との間には、さらなる誘電体層が設けられる、請求項7に記載の多層電磁カプラ配列。
- 位相変更素子の1次元または2次元の配列に対向する入力信号ソース層側の接地平面層として配置される、さらなる誘電体およびさらなる金属層を備え、したがって、接地平面層は、最表面層に対向する側に、多層電磁カプラ配列全体の最下層を形成する、請求項1〜8のいずれかに記載の多層電磁カプラ配列。
- 入力信号ソース層は、ストリップ伝送線路を備える、請求項1〜9のいずれかに記載の多層電磁カプラ配列。
- 入力信号は、50Ωの同軸ケーブルシステムによって提供される標準導波入力信号である、請求項1〜10のいずれかに記載の多層電磁カプラ配列。
- 前記位相変更素子の各々は、
既定の電気長を有する伝送線路セグメントと共に位相補償素子を形成し、かつ、
既定の電気長の伝送線路セグメントに対する位相補償を達成するための、集中または分布成分のネットワークを含む、請求項1〜11のいずれかに記載の多層電磁カプラ配列。 - 前記素子は、誘導成分および少なくとも1つの容量成分を備える、請求項12に記載の多層電磁カプラ配列。
- 位相変更素子の誘導成分は、誘導ループとして分布形態で実現され、前記ループは、3層のプリント回路基板の片側に配置され、伝送線路セグメントは反対側に配置され、プリント回路基板の中間層は、接地平面として機能する、請求項13に記載の多層電磁カプラ配列。
- 位相変更素子の誘導成分は、誘導ループとして分布形態で実現され、前記平面金属トレースは、RFIDインレイの一部であり、前記誘導ループは、前記RFIDインレイに向けた反応型近距離場結合のための使用に適している、請求項13または14に記載の多層電磁カプラ配列。
- 前記平面金属トレースは、RFIDインレイの一部であり、前記伝送線路セグメントは、前記RFIDインレイに向けた反応型近距離場結合のための使用に適している、請求項12〜14に記載の多層電磁カプラ配列。
- 前記平面金属トレースは、RFIDインレイの一部であり、多層電磁カプラ配列は、電磁力を前記RFIDインレイへ結合することで、前記RFIDインレイを符号化することに適している、請求項1〜16に記載の多層電磁カプラ配列。
- プリンタでの使用に適しており、符号化されるRFIDインレイは、媒体経路に沿ってプリンタ内に案内される媒体上に配置され、
多層電磁カプラ配列の形状は、最表面の全位置において、最表面とプリンタの媒体経路との間の一定の距離に達するように柔軟に適応され得る、請求項15〜17のいずれかに記載の多層電磁カプラ配列。 - 請求項15〜18のいずれかに記載の多層電磁カプラ配列を備える、RFIDプリンタ/エンコーダ。
- 符号化情報をRFIDインレイへ転送するための電磁結合は、反応型近距離場で起こる、請求項19に記載のRFIDプリンタ/エンコーダ。
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EP12168855 | 2012-05-22 | ||
EP12168855.0 | 2012-05-22 | ||
PCT/EP2013/060496 WO2013174861A1 (en) | 2012-05-22 | 2013-05-22 | Adaptive coupler for reactive near field rfid communication |
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JP2015524191A true JP2015524191A (ja) | 2015-08-20 |
JP2015524191A5 JP2015524191A5 (ja) | 2016-01-14 |
JP5855316B2 JP5855316B2 (ja) | 2016-02-09 |
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US11329697B2 (en) | 2015-11-27 | 2022-05-10 | Sato Holdings Kabushiki Kaisha | Multi-layer electromagnetic coupler arrangement |
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US11861445B2 (en) * | 2020-03-11 | 2024-01-02 | Sato Holdings Kabushiki Kaisha | Electromagnetic coupler arrangement |
US11392783B2 (en) | 2020-03-12 | 2022-07-19 | KYOCERA AVX Components (San Diego), Inc. | RFID printer-encoder having a multi-mode active antenna |
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EP1755068A2 (en) * | 2005-08-19 | 2007-02-21 | Printronix, Inc. | Capacitively-coupled RFID encoder |
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US7425887B2 (en) * | 2005-09-21 | 2008-09-16 | Zih Corporation | Multi-layered efficient RFID coupler |
US7796041B2 (en) | 2008-01-18 | 2010-09-14 | Laird Technologies, Inc. | Planar distributed radio-frequency identification (RFID) antenna assemblies |
EP3736904A1 (en) | 2008-08-22 | 2020-11-11 | Duke University | Metamaterials for surfaces and waveguides |
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US8254833B2 (en) | 2009-05-11 | 2012-08-28 | Zih Corp. | Near field coupling devices and associated systems and methods |
WO2011045844A1 (en) | 2009-10-16 | 2011-04-21 | Kabushiki Kaisha Sato | Magnetic rfid coupler with balanced signal configuration |
US8934857B2 (en) * | 2010-05-14 | 2015-01-13 | Qualcomm Incorporated | Controlling field distribution of a wireless power transmitter |
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EP1755068A2 (en) * | 2005-08-19 | 2007-02-21 | Printronix, Inc. | Capacitively-coupled RFID encoder |
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US11329697B2 (en) | 2015-11-27 | 2022-05-10 | Sato Holdings Kabushiki Kaisha | Multi-layer electromagnetic coupler arrangement |
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US9917476B2 (en) | 2018-03-13 |
US20150130289A1 (en) | 2015-05-14 |
JP5855316B2 (ja) | 2016-02-09 |
WO2013174861A1 (en) | 2013-11-28 |
EP2852914A1 (en) | 2015-04-01 |
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