WO2008111435A1 - 無線タグ、無線タグリーダ及びパルス符号化鍵検出回路とそれらを用いた無線タグシステム - Google Patents

無線タグ、無線タグリーダ及びパルス符号化鍵検出回路とそれらを用いた無線タグシステム Download PDF

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Publication number
WO2008111435A1
WO2008111435A1 PCT/JP2008/053871 JP2008053871W WO2008111435A1 WO 2008111435 A1 WO2008111435 A1 WO 2008111435A1 JP 2008053871 W JP2008053871 W JP 2008053871W WO 2008111435 A1 WO2008111435 A1 WO 2008111435A1
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WO
WIPO (PCT)
Prior art keywords
radio tag
radio
tag reader
reader
detection circuit
Prior art date
Application number
PCT/JP2008/053871
Other languages
English (en)
French (fr)
Inventor
Hitoshi Kitayoshi
Original Assignee
Hitoshi Kitayoshi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitoshi Kitayoshi filed Critical Hitoshi Kitayoshi
Priority to US12/530,225 priority Critical patent/US8559486B2/en
Priority to EP08721291.6A priority patent/EP2124348B1/en
Publication of WO2008111435A1 publication Critical patent/WO2008111435A1/ja
Priority to US13/953,201 priority patent/US9607186B2/en

Links

Classifications

    • 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
    • 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
    • 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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Near-Field Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

　無線タグ側で容易にＭＰＳＫ変調サブキャリア信号を返送する方法に加えて、無線タグリーダ側でその変調波を精度良く復調するための通信プロトコルや回路方式を実現することができ、無線タグから無線ダグリーダへのデータ伝送の長距離化と高速化を実現することができ、かつ無線タグの長寿命化を実現することができる無線タグシステムを提供する。 　無線タグリーダ４０と無線タグ２０，３０との間で無線通信を行う無線タグシステムであって、前記無線タグ２０，３０側においては共振型昇圧回路２３，３３を備え、無線タグリーダ４０からの質問キャリア周波数ｆoからfｓだけ周波数オフセットしたサブキャリア信号に返送情報を乗せ、無線タグリーダ４０側においては直交検波補償回路５４を有し、サンプリング周波数４fｓの発信回路５５を備えていることによって無線タグから無線タグリーダへのデータ伝送の長距離化と高速化を実現する。また、無線タグにはパルス符号化鍵検出回路３４を備え、少なくとも２組の充放電時定数回路と、それぞれに接続する２組のコンパレータ及び入力信号と、これら２組のコンパレータ出力の論理積によって外部からの入力パルス幅が一定範囲内であるか否かを外部からの入力信号電力数μＷのみで他の電源を用いることなく判定することによって無線タグの長寿命化を実現する。  
PCT/JP2008/053871 2007-03-06 2008-03-04 無線タグ、無線タグリーダ及びパルス符号化鍵検出回路とそれらを用いた無線タグシステム WO2008111435A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/530,225 US8559486B2 (en) 2007-03-06 2008-03-04 RF tag, RF tag reader, and pulse code key detecting circuit, and RF tag system using them
EP08721291.6A EP2124348B1 (en) 2007-03-06 2008-03-04 Radio tag system
US13/953,201 US9607186B2 (en) 2007-03-06 2013-07-29 RF tag system which allows a scheduled start RF tag and a remote start RF tag to share the same frequency band

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-056108 2007-03-06
JP2007056108A JP4823943B2 (ja) 2007-03-06 2007-03-06 無線タグ、無線タグリーダ及びパルス符号化鍵検出回路とそれらを用いた無線タグシステム

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/530,225 A-371-Of-International US8559486B2 (en) 2007-03-06 2008-03-04 RF tag, RF tag reader, and pulse code key detecting circuit, and RF tag system using them
US13/953,201 Division US9607186B2 (en) 2007-03-06 2013-07-29 RF tag system which allows a scheduled start RF tag and a remote start RF tag to share the same frequency band

Publications (1)

Publication Number Publication Date
WO2008111435A1 true WO2008111435A1 (ja) 2008-09-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053871 WO2008111435A1 (ja) 2007-03-06 2008-03-04 無線タグ、無線タグリーダ及びパルス符号化鍵検出回路とそれらを用いた無線タグシステム

Country Status (4)

Country Link
US (2) US8559486B2 (ja)
EP (1) EP2124348B1 (ja)
JP (1) JP4823943B2 (ja)
WO (1) WO2008111435A1 (ja)

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WO2016060065A1 (ja) * 2014-10-17 2016-04-21 国立大学法人東北大学 回転系装着型圧電発電装置、自立無線通信端末、および無線通信システム
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Cited By (4)

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Publication number Priority date Publication date Assignee Title
US11192055B2 (en) 2017-08-30 2021-12-07 Cummins Filtration Ip, Inc. Interlock for genuine filter recognition
US11633684B2 (en) 2017-08-30 2023-04-25 Cummins Filtration Ip, Inc. Interlock for genuine filter recognition
CN110070167A (zh) * 2017-12-08 2019-07-30 恩智浦有限公司 用于连接的rfid标签的有源接收器
CN110070167B (zh) * 2017-12-08 2024-04-02 恩智浦有限公司 用于连接的rfid标签的有源接收器

Also Published As

Publication number Publication date
EP2124348B1 (en) 2019-10-23
EP2124348A1 (en) 2009-11-25
JP2008219624A (ja) 2008-09-18
US20100245052A1 (en) 2010-09-30
US20130314215A1 (en) 2013-11-28
US8559486B2 (en) 2013-10-15
JP4823943B2 (ja) 2011-11-24
US9607186B2 (en) 2017-03-28
EP2124348A4 (en) 2016-06-22

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