JP7095827B2 - Rfid補助アンテナ装置 - Google Patents
Rfid補助アンテナ装置 Download PDFInfo
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- JP7095827B2 JP7095827B2 JP2022514710A JP2022514710A JP7095827B2 JP 7095827 B2 JP7095827 B2 JP 7095827B2 JP 2022514710 A JP2022514710 A JP 2022514710A JP 2022514710 A JP2022514710 A JP 2022514710A JP 7095827 B2 JP7095827 B2 JP 7095827B2
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- conductive pattern
- rfid
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- 239000000463 material Substances 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 10
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
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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
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06K7/10158—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 methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
- G06K7/10178—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 methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field including auxiliary means for focusing, repeating or boosting the electromagnetic interrogation field
-
- 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
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Details Of Aerials (AREA)
- Burglar Alarm Systems (AREA)
Description
第2の実施形態では、導電性パターンが複数の層に形成されたRFID補助アンテナ装置102について例示する。
第3の実施形態では、第2導電性パターンの構成が第2の実施形態で示した例とは異なるRFID補助アンテナ装置について示す。
第4の実施形態では、導電性パターンを形成する基材を備えないRFID補助アンテナ装置について例示する。
第5の実施形態では、導電性パターンが物品の表面に直接形成され、かつ第1容量成分及び第2容量成分を備えるRFID補助アンテナ装置について例示する。
C1…キャパシタ(第1容量成分)
C2,C21,C22…キャパシタ(第2容量成分)
L,L2…インダクタ(インダクタンス成分)
10…物品
11,12…導電性パターン
11D…不連続部
13…基材
14…接着層
20…RFIDタグ付き物品
21,21A,21B…RFIDタグ
30…アンテナ基板
31…リーダ・ライタアンテナ
101,102,103,104,105…RFID補助アンテナ装置
301…リーダ・ライタ
Claims (8)
- 通信対象のRFIDタグに近接する、またはRFIDタグを収容する、物品に設けられる補助アンテナ装置であり、
前記物品を周回する導電性パターンで構成され、
前記物品を周回する前記導電性パターン間に生じる容量成分と前記導電性パターンのインダクタンス成分とで共振回路が構成され、当該共振回路の共振周波数が、前記RFIDタグの通信周波数と一致又はほぼ等しいことを特徴とするRFID補助アンテナ装置。 - 前記容量成分は、第1容量成分及び第2容量成分で構成され、
前記第1容量成分は、前記導電性パターンの前記周回の方向における端部付近同士の間に生じる容量成分であり、
前記導電性パターンは前記周回の方向に長く、当該周回の方向で不連続部を有し、前記第2容量成分は、前記不連続部の前記導電性パターン間に生じる容量成分である、
請求項1に記載のRFID補助アンテナ装置。 - 前記導電性パターンはシート状の基材に形成され、
前記第1容量成分は、前記基材を挟んで前記導電性パターン間に形成される、
請求項2に記載のRFID補助アンテナ装置。 - 前記導電性パターンは前記基材に対して複数層に形成され、
前記第2容量成分は、前記基材の厚み方向に形成される、前記導電性パターンの間隙に生じる、
請求項3に記載のRFID補助アンテナ装置。 - 前記第2容量成分は、前記基材の面方向に形成される、前記導電性パターンの間隙に生じる、
請求項3に記載のRFID補助アンテナ装置。 - 前記導電性パターンは前記物品の表面に形成され、
前記容量成分は、前記物品の表面に沿って対向する前記導電性パターンの間隙に生じる、
請求項1に記載のRFID補助アンテナ装置。 - 前記導電性パターンは前記物品の表面に形成され、
前記第1容量成分及び前記第2容量成分は、前記物品の表面に沿って対向する前記導電性パターンの間隙に生じる、
請求項2に記載のRFID補助アンテナ装置。 - 前記導電性パターンは前記RFIDタグと磁界結合する、
請求項1乃至請求項7のいずれかに記載のRFID補助アンテナ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020078510 | 2020-04-27 | ||
JP2020078510 | 2020-04-27 | ||
PCT/JP2021/002171 WO2021220565A1 (ja) | 2020-04-27 | 2021-01-22 | Rfid補助アンテナ装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JPWO2021220565A1 JPWO2021220565A1 (ja) | 2021-11-04 |
JPWO2021220565A5 JPWO2021220565A5 (ja) | 2022-05-18 |
JP7095827B2 true JP7095827B2 (ja) | 2022-07-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022514710A Active JP7095827B2 (ja) | 2020-04-27 | 2021-01-22 | Rfid補助アンテナ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US12033022B2 (ja) |
JP (1) | JP7095827B2 (ja) |
DE (1) | DE212021000247U1 (ja) |
WO (1) | WO2021220565A1 (ja) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3047027U (ja) | 1997-09-10 | 1998-03-31 | 株式会社エフ・アイ・ティ | 携帯電話機の電磁シールド装置 |
JP2000049512A (ja) | 1998-07-28 | 2000-02-18 | Murata Mfg Co Ltd | 共振器、フィルタ、デュプレクサ及び通信機装置 |
JP2003179526A (ja) | 2001-12-11 | 2003-06-27 | Sony Corp | 非接触通信システム、並びに非接触通信補助装置および方法 |
JP2004221623A (ja) | 2001-12-18 | 2004-08-05 | Murata Mfg Co Ltd | 共振器、フィルタ、デュプレクサ、および通信装置 |
JP2006188282A (ja) | 2005-02-17 | 2006-07-20 | Appax Co Ltd | 箱 |
JP2009152862A (ja) | 2007-12-20 | 2009-07-09 | Tamura Seisakusho Co Ltd | 可変インダクタンスコイル、並びにそれを備えたブースターアンテナおよび読取書込装置 |
WO2012005278A1 (ja) | 2010-07-08 | 2012-01-12 | 株式会社村田製作所 | アンテナ及びrfidデバイス |
JP2013175141A (ja) | 2012-02-27 | 2013-09-05 | Mitomo Shoji Kk | 無線icタグ |
WO2013161608A1 (ja) | 2012-04-27 | 2013-10-31 | 株式会社村田製作所 | コイルアンテナおよび通信端末装置 |
WO2018056363A1 (ja) | 2016-09-26 | 2018-03-29 | 株式会社村田製作所 | Rfidタグ付き金属製キャップおよびそれを備える容器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5370581B2 (ja) | 2010-03-24 | 2013-12-18 | 株式会社村田製作所 | Rfidシステム |
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2021
- 2021-01-22 JP JP2022514710A patent/JP7095827B2/ja active Active
- 2021-01-22 WO PCT/JP2021/002171 patent/WO2021220565A1/ja active Application Filing
- 2021-01-22 DE DE212021000247.1U patent/DE212021000247U1/de active Active
-
2022
- 2022-05-12 US US17/742,950 patent/US12033022B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3047027U (ja) | 1997-09-10 | 1998-03-31 | 株式会社エフ・アイ・ティ | 携帯電話機の電磁シールド装置 |
JP2000049512A (ja) | 1998-07-28 | 2000-02-18 | Murata Mfg Co Ltd | 共振器、フィルタ、デュプレクサ及び通信機装置 |
JP2003179526A (ja) | 2001-12-11 | 2003-06-27 | Sony Corp | 非接触通信システム、並びに非接触通信補助装置および方法 |
JP2004221623A (ja) | 2001-12-18 | 2004-08-05 | Murata Mfg Co Ltd | 共振器、フィルタ、デュプレクサ、および通信装置 |
JP2006188282A (ja) | 2005-02-17 | 2006-07-20 | Appax Co Ltd | 箱 |
JP2009152862A (ja) | 2007-12-20 | 2009-07-09 | Tamura Seisakusho Co Ltd | 可変インダクタンスコイル、並びにそれを備えたブースターアンテナおよび読取書込装置 |
WO2012005278A1 (ja) | 2010-07-08 | 2012-01-12 | 株式会社村田製作所 | アンテナ及びrfidデバイス |
JP2013175141A (ja) | 2012-02-27 | 2013-09-05 | Mitomo Shoji Kk | 無線icタグ |
WO2013161608A1 (ja) | 2012-04-27 | 2013-10-31 | 株式会社村田製作所 | コイルアンテナおよび通信端末装置 |
WO2018056363A1 (ja) | 2016-09-26 | 2018-03-29 | 株式会社村田製作所 | Rfidタグ付き金属製キャップおよびそれを備える容器 |
Also Published As
Publication number | Publication date |
---|---|
US12033022B2 (en) | 2024-07-09 |
JPWO2021220565A1 (ja) | 2021-11-04 |
DE212021000247U1 (de) | 2022-08-31 |
WO2021220565A1 (ja) | 2021-11-04 |
US20220269872A1 (en) | 2022-08-25 |
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