JP2005108245A - Rfidセンサシステムおよびrfid検知方法 - Google Patents
Rfidセンサシステムおよびrfid検知方法 Download PDFInfo
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- JP2005108245A JP2005108245A JP2004287444A JP2004287444A JP2005108245A JP 2005108245 A JP2005108245 A JP 2005108245A JP 2004287444 A JP2004287444 A JP 2004287444A JP 2004287444 A JP2004287444 A JP 2004287444A JP 2005108245 A JP2005108245 A JP 2005108245A
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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
- 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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- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
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Abstract
【解決手段】 RFIDセンサシステムは、RFID検知ドライバ1からの信号を伝送する第1および第2の伝導パス2,3と、これら第1および第2の伝導パス2,3に接続される制御器4と、制御器4に接続されるリーダ5とを備えている。RFID検知ドライバ1を第1および第2の伝導パス2,3に容量結合または直接接合により接続するため、RFID検知ドライバ1に複数のアンテナを設けなくても、RFID検知ドライバ1に電力を供給し、かつRFID検知ドライバ1からの検知信号を受信でき、リーダ5側の構成を大幅に簡略化できる。
【選択図】 図2
Description
図2は本発明の第1の実施形態によるRFIDセンサシステムの概略構成を示すブロック図である。図2のRFIDセンサシステムは、ある領域に空間的に分布される少なくとも1個のRFID検知ドライバ1との間で信号を送受する。RFID検知ドライバ1は、圧力、光、温度、接触、化学成分、また生物学的成分の変化・刺激を検知して、検知結果を示す信号を非接触で送信する。RFID検知ドライバ1が検知する具体的内容は特に問わず、複数種類の変化や刺激を検知してもよい。
第2の実施形態は、第1および第2の伝導パス2,3のいずれか一方にアンテナを接続したものである。
2 第1の伝導パス
3 第2の伝導パス
4 制御器
5 リーダ
11 RFIDチップ
12 チップ取付モジュール
13 パッド
Claims (9)
- 信号を送受信可能な少なくとも一つのRFID検知装置と、
前記RFID検知装置との間で互いに信号を送受可能な2本の導電経路と、
前記2本の導電経路に対して搬送波信号を供給するとともに、前記2本の導電経路上を伝搬する前記搬送波信号に重畳された前記RFID検知信号の送信信号を受信する制御装置と、を備えることを特徴とするRFIDセンサシステム。 - 前記RFID検知装置と前記2本の導電経路とは、非接触で信号を送受することを特徴とする請求項1に記載のRFIDセンサシステム。
- 前記制御信号で受信された前記2本の導電経路上の信号に含まれる、前記RFID検知装置からの送信信号を受信する読取装置を備えることを特徴とする請求項1または2に記載のRFIDセンサシステム。
- 前記2本の導電経路と前記RFID検知装置とは、容量結合により信号の送受を行うことを特徴とする請求項1乃至3のいずれかに記載のRFIDセンサシステム。
- 前記2本の導電経路は、略平行に配置され、
前記制御装置は、前記2本の導電経路に互いに逆相の搬送波信号を供給することを特徴とする請求項1乃至4のいずれかに記載のRFIDセンサシステム。 - 前記RFID検知装置は、
ICチップと、
前記ICチップの両側に配置される2つの導電パターンと、
前記導電パターンの両端部に配置される導電パッドと、を有し、
前記2本の導電経路は、前記2つの導電パッドと対向配置されることを特徴とする請求項1乃至5のいずれかに記載のRFIDセンサシステム。 - 前記RFID検知装置は、前記2本の導電経路上の搬送波信号を利用して電力を生成することを特徴とする請求項1乃至6のいずれかに記載のRFIDセンサシステム。
- 前記2本の導電経路の少なくとも一方に接続され、無線信号を送受信可能なアンテナを備えることを特徴とする請求項1乃至7のいずれかに記載のRFIDセンサシステム。
- 信号を送受信可能な少なくとも一つのRFID検知装置との間で非接触で信号を送受可能な2本の導電経路を設け、
前記2本の導電経路の一端に接続される制御装置は、該2本の導電経路に対して搬送波信号供給するととともに、前記RFID検知装置が前記搬送波信号に重畳した送信信号を受信することを特徴とするRFID検知方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/676,226 US7026936B2 (en) | 2003-09-30 | 2003-09-30 | Distributed RF coupled system |
US10/676,226 | 2003-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005108245A true JP2005108245A (ja) | 2005-04-21 |
JP4837270B2 JP4837270B2 (ja) | 2011-12-14 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004287444A Expired - Fee Related JP4837270B2 (ja) | 2003-09-30 | 2004-09-30 | Rfidセンサシステムおよびrfid検知方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7026936B2 (ja) |
JP (1) | JP4837270B2 (ja) |
TW (1) | TWI249709B (ja) |
WO (1) | WO2005034010A2 (ja) |
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US11755874B2 (en) | 2021-03-03 | 2023-09-12 | Sensormatic Electronics, LLC | Methods and systems for heat applied sensor tag |
US11869324B2 (en) | 2021-12-23 | 2024-01-09 | Sensormatic Electronics, LLC | Securing a security tag into an article |
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JP2001228799A (ja) * | 2000-02-14 | 2001-08-24 | Denso Corp | Idタグおよびidタグ付き物流用容器 |
US20030122655A1 (en) * | 1999-12-15 | 2003-07-03 | U.S. Philips Corporation | Short range communication system |
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US4287515A (en) * | 1979-04-27 | 1981-09-01 | Baker Industries, Inc. | Fire detection system with multiple output signals |
US4394655A (en) * | 1981-03-13 | 1983-07-19 | Baker Industries, Inc. | Bidirectional, interactive fire detection system |
US4742335A (en) * | 1986-06-18 | 1988-05-03 | Baker Industries, Inc. | Sequential and/or random polling system with virtually instantaneous response time |
US6266052B1 (en) * | 1993-09-03 | 2001-07-24 | Display Edge Technology, Ltd. | Power and information distribution system for article display or storage areas and related method |
US6456481B1 (en) * | 2001-05-31 | 2002-09-24 | Greatbatch-Sierra, Inc. | Integrated EMI filter-DC blocking capacitor |
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2003
- 2003-09-30 US US10/676,226 patent/US7026936B2/en not_active Expired - Lifetime
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- 2004-04-02 TW TW093109153A patent/TWI249709B/zh not_active IP Right Cessation
- 2004-09-30 JP JP2004287444A patent/JP4837270B2/ja not_active Expired - Fee Related
- 2004-09-30 WO PCT/US2004/032139 patent/WO2005034010A2/en active Application Filing
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US20030122655A1 (en) * | 1999-12-15 | 2003-07-03 | U.S. Philips Corporation | Short range communication system |
JP2001228799A (ja) * | 2000-02-14 | 2001-08-24 | Denso Corp | Idタグおよびidタグ付き物流用容器 |
Also Published As
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WO2005034010A3 (en) | 2008-09-12 |
US7026936B2 (en) | 2006-04-11 |
US20050068179A1 (en) | 2005-03-31 |
TWI249709B (en) | 2006-02-21 |
JP4837270B2 (ja) | 2011-12-14 |
TW200512656A (en) | 2005-04-01 |
WO2005034010A2 (en) | 2005-04-14 |
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