JP2012533788A - 無線周波数識別(rfid)センサを含む放射線暴露時の検知方法及びシステム - Google Patents
無線周波数識別(rfid)センサを含む放射線暴露時の検知方法及びシステム Download PDFInfo
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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
- 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
- G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- 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
- G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—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 at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
-
- 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
- G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0712—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 at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of triggering distinct operating modes or functions dependent on the strength of an energy or interrogation field in the proximity of the record carrier
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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
- G06K19/0716—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
- G06K19/0717—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being capable of sensing environmental conditions such as temperature history or pressure
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Abstract
【選択図】 図1
Description
RFIDセンサは、FRAM(登録商標)メモリチップMB89R118A(富士通株式会社、日本)と共に組み立てられた。これらのチップは、強誘電体メモリと結合した標準的な0.35μmCMOS回路を使用して作成される。MB89R118Aチップの総メモリ量は2000バイトである。FRAM(登録商標)メモリチップは、RFIDタグに組み込まれた。デジタルデータの書込み及び読取りは、Wave Logic LLC(Scotts Valley、CA)のリーダ/ライタを使用して実行された。無線周波数に基づくセンサの複素インピーダンスの測定は、LabVIEWを使用するコンピュータ制御の下で、ネットワークアナライザ(型式E5062A、Agilent Technologies,Inc.、Santa Clara、CA)により実行された。ネットワークアナライザは、注目する範囲にわたる周波数をスキャンし、RFIDセンサからの複素インピーダンス応答を集めるのに使用された。集められた複素インピーダンスデータは、Excel(MicroSoft Inc.、Seattle、WA)、又はKaleidaGraph(Synergy Software、Reading、PA)、及びMatlab(The Mathworks Inc.、Natick、MA)と共に動作するPLS_Toolbox(Eigenvector Research,Inc.、Manson、WA)を使用して分析された。
12 共振回路
14 マイクロチップ
16 アンテナ
18 RFIDリーダ
20 インダクタ
22 コンデンサ
24 抵抗器
30 RFIDタグ
32 メモリチップ
34 CMOSチップ
36 整流器
38 電力供給電圧コントローラ
40 変調器
42 復調器
44 クロック発生器
46 衝突防止機能コントローラ
48 データ入力/出力コントローラ
50 FRAMアクセスコントローラ
52 不揮発性メモリ部品
60 複素インピーダンスの実数部曲線
62 複素インピーダンスの虚数部曲線
64 複素インピーダンスの実数部の最大値の周波数
66 複素インピーダンスの実数部の大きさ
68 複素インピーダンスの虚数部の共振周波数
69 複素インピーダンスの虚数部の反共振周波数
100 複素インピーダンスの虚数部の共振周波数のグラフ
102 複素インピーダンスの虚数部の反共振周波数のグラフ
104 複素インピーダンスの実数部の最大値の周波数のグラフ
106 複素インピーダンスの虚数部の共振周波数のグラフ
108 複素インピーダンスの虚数部の反共振周波数のグラフ
110 複素インピーダンスの実数部の最大値の周波数のグラフ
112 センサをガンマ線に曝す前のデータ点
114 センサをガンマ線に曝した後のデータ点
Claims (10)
- 所定の範囲の電力開始レベル及び所定の共振回路パラメータを有する無線周波数識別(RFID)センサ部品を使用して、環境の物理的、化学的、及び生物学的特性を検知する方法であって、
前記RFIDセンサ部品を活性化し、前記センサ部品を活性化するのに必要な電力レベルの範囲が、前記所定の範囲の電力開始レベルよりも狭いかどうかを判定する段階と、
前記環境の前記物理的、化学的、及び生物学的特性の少なくとも1つを検知する段階と、
1つ以上の選択された共振パラメータを使用して前記環境の前記検知特性を定量化する段階であり、パラメータの前記選択が、前記センサを活性化するのに必要な電力レベルの範囲に一部基づいている、段階と
を含む方法。 - 前記RFIDセンサからの前記選択された共振パラメータが、前記RFIDセンサの複素インピーダンス応答から計算されたパラメータ、前記RFIDセンサの前記複素インピーダンス応答の実数部、前記RFIDセンサの前記複素インピーダンス応答の虚数部を含む、請求項1記載の方法。
- 前記RFIDセンサからの前記選択された共振パラメータが、前記RFIDセンサの等価回路に関する前記RFIDセンサの共振応答から計算されたパラメータを含む、請求項1記載の方法。
- 前記環境の前記物理的、化学的、及び生物学的特性を定量化する段階が、前記RFIDセンサのメモリチップ内に記憶された係数を含む伝達関数を通して、前記検知特性を前記RFIDセンサからの前記選択された共振パラメータに関連付けることを含む、請求項1記載の方法。
- 電力レベルの前記範囲が所定の閾値よりも狭いとき、前記選択パラメータが、複素インピーダンス応答から計算されたFp、Zp、F1、F2パラメータの1つ以上から構成される、請求項1記載の方法。
- 電力レベルの前記範囲が所定の閾値よりも狭くないとき、前記選択パラメータが、複素インピーダンス応答から計算されたF1、F2、Fp、Zpパラメータの1つ以上から構成される、請求項1記載の方法。
- 電力レベルの前記範囲が所定の閾値よりも狭いとき、前記選択パラメータが、複素インピーダンス応答から計算されたパラメータの1群から構成され、電力レベルの前記範囲が所定の閾値よりも狭くないとき、前記選択パラメータが、複素インピーダンス応答から計算されたパラメータの別の群から構成される、請求項1記載の方法。
- 前記センサを活性化するのに必要な電力レベルの前記範囲の変化が、前記センサ部品をガンマ線に曝すことにより発生する、請求項1記載の方法。
- 前記検知特性を定量化する前記段階が、信号オフセット、信号ドリフト、信号ノイズ、及びセンサ応答の勾配の1つ以上を調整する補正スキームを適用することを含む、請求項1記載の方法。
- 所定の電力開始レベルを有するRFIDセンサ部品を使用して物理的、化学的、及び生物学的特性を検知するように構成されたセンサシステムであって、
前記RFIDセンサ部品を使用する、前記パラメータを検知する電子センサと、
前記特性に対応する前記センサからの1つ以上の信号を読み取るインタロゲータユニットと、
前記センサ部品を活性化するのに必要な電力レベルの範囲が、前記所定の範囲の電力開始レベルよりも狭いかどうかを識別する比較器ユニットと
を備える、センサシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/503,626 US8207827B2 (en) | 2009-07-15 | 2009-07-15 | Methods and systems for sensing upon radiation exposure |
US12/503,626 | 2009-07-15 | ||
PCT/SE2010/050791 WO2011008157A1 (en) | 2009-07-15 | 2010-07-07 | Method and system for sensing upon radiation exposure comprising a radio frequency identification (rfid) sensor |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012533788A true JP2012533788A (ja) | 2012-12-27 |
JP2012533788A5 JP2012533788A5 (ja) | 2013-08-15 |
JP5709861B2 JP5709861B2 (ja) | 2015-04-30 |
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Application Number | Title | Priority Date | Filing Date |
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JP2012520569A Active JP5709861B2 (ja) | 2009-07-15 | 2010-07-07 | 無線周波数識別(rfid)センサを含む放射線暴露時の検知方法及びシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8207827B2 (ja) |
EP (1) | EP2454706B1 (ja) |
JP (1) | JP5709861B2 (ja) |
CN (1) | CN102473234B (ja) |
WO (1) | WO2011008157A1 (ja) |
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EP2454706A1 (en) | 2012-05-23 |
EP2454706B1 (en) | 2017-06-28 |
US8207827B2 (en) | 2012-06-26 |
EP2454706A4 (en) | 2014-09-03 |
JP5709861B2 (ja) | 2015-04-30 |
CN102473234A (zh) | 2012-05-23 |
US20110012736A1 (en) | 2011-01-20 |
CN102473234B (zh) | 2015-01-28 |
WO2011008157A1 (en) | 2011-01-20 |
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