JP2006119118A5 - - Google Patents

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Publication number
JP2006119118A5
JP2006119118A5 JP2005170651A JP2005170651A JP2006119118A5 JP 2006119118 A5 JP2006119118 A5 JP 2006119118A5 JP 2005170651 A JP2005170651 A JP 2005170651A JP 2005170651 A JP2005170651 A JP 2005170651A JP 2006119118 A5 JP2006119118 A5 JP 2006119118A5
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Japan
Prior art keywords
electromagnetic wave
frequency
wireless tag
detecting
moisture
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JP2005170651A
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Japanese (ja)
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JP4124214B2 (en
JP2006119118A (en
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Priority to JP2005170651A priority Critical patent/JP4124214B2/en
Priority claimed from JP2005170651A external-priority patent/JP4124214B2/en
Publication of JP2006119118A publication Critical patent/JP2006119118A/en
Publication of JP2006119118A5 publication Critical patent/JP2006119118A5/ja
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Publication of JP4124214B2 publication Critical patent/JP4124214B2/en
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Claims (4)

水分に吸収されやすい第１の周波数の電磁波を検知する検知手段と、前記検知手段の検知結果を水分に吸収されにくい第２の周波数の電磁波を用いて送信する無線タグ側通信手段とを備えた無線タグと、
前記第１の周波数の電磁波を発生する検知用電磁波発生手段と、前記第１の周波数の電磁波の検知結果を前記第２の周波数の電磁波にて無線タグから受信する読取装置側通信手段とを備えた読取装置と、
からなる水分検知システム。 Detecting means for detecting an electromagnetic wave having a first frequency that is easily absorbed by moisture, and a wireless tag side communication means for transmitting the detection result of the detecting means using an electromagnetic wave having a second frequency that is difficult to be absorbed by moisture . A wireless tag ,
Detecting electromagnetic wave generating means for generating an electromagnetic wave of the first frequency, and reader-side communication means for receiving a detection result of the electromagnetic wave of the first frequency from a wireless tag with the electromagnetic wave of the second frequency. Reading device,
A moisture detection system consisting of 前記無線タグが外部から照射され、前記第２の周波数の電磁波を電力源として動作する請求項１記載の水分検知システム。 The wireless tag is irradiated from outside, moisture detection system of claim 1, wherein operating the electromagnetic waves of the second frequency as a power source. 前記検知手段は無線タグ側アンテナの共振を用いて前記第１の電磁波を検知し、外部から照射される前記第２の周波数の電磁波は無線タグ側コイルに誘起される誘導電流として電力源に用いる構成とした無線タグと、
前記検知用電磁波発生手段は読取装置側アンテナの共振を用いて前記第１の電磁波を発生し、読取装置側前記通信手段は読取装置側コイルに誘起される誘導電流として前記第２の周波数の電磁波を前記無線タグから受信する読取手段と、
からなる請求項２記載の水分検知システム。 Said sensing means said first electromagnetic wave detected by using the resonance of the RFID antenna, the electromagnetic waves of the second frequency which is radiated from the outside using the power source as an induction current induced in the RFID coil A configured wireless tag;
The detection electromagnetic wave generating means generates the first electromagnetic wave by using resonance of the reading device side antenna, and the reading device side communication means generates the electromagnetic wave having the second frequency as an induced current induced in the reading device side coil. Reading means for receiving from the wireless tag;
The moisture detection system according to claim 2, comprising: 前記第１の周波数の電磁波として２．４５ＧＨｚ帯の電磁波を検知する無線タグと、
前記検知用電磁波発生手段が２．４５ＧＨｚ帯の電磁波を発生する読取手段と、
からなる請求項１〜３いずれか記載の水分検知システム。 A wireless tag for detecting an electromagnetic wave of 2.45GHz band as an electromagnetic wave of the first frequency,
Reading means for generating electromagnetic waves in the 2.45 GHz band by the electromagnetic wave generating means for detection;
The moisture detection system according to any one of claims 1 to 3.
JP2005170651A 2004-09-22 2005-06-10 Moisture detection system Expired - Fee Related JP4124214B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005170651A JP4124214B2 (en) 2004-09-22 2005-06-10 Moisture detection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004275307 2004-09-22
JP2005170651A JP4124214B2 (en) 2004-09-22 2005-06-10 Moisture detection system

Publications (3)

Publication Number Publication Date
JP2006119118A JP2006119118A (en) 2006-05-11
JP2006119118A5 true JP2006119118A5 (en) 2007-05-24
JP4124214B2 JP4124214B2 (en) 2008-07-23

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Family Applications (1)

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JP2005170651A Expired - Fee Related JP4124214B2 (en) 2004-09-22 2005-06-10 Moisture detection system

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JP (1) JP4124214B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102122364B (en) * 2011-02-22 2013-03-06 电子科技大学 RFID wireless communication-based transfusion monitoring system
CN102759535B (en) * 2011-04-27 2014-12-17 航天信息股份有限公司 Device and method for detecting water content of grain on basis of radio frequency identification (RFID) technology
US8442792B1 (en) * 2012-10-26 2013-05-14 Elbex Video Ltd. Method and apparatus for calibrating intelligent AC outlets
JP5942912B2 (en) * 2013-03-27 2016-06-29 株式会社デンソーウェーブ Water content estimation system, wireless tag reader
JP6182572B2 (en) * 2015-07-09 2017-08-16 京セラ株式会社 Portable device, control method and control program
CN108333222A (en) * 2017-01-20 2018-07-27 舍弗勒技术股份两合公司 Workpiece and its aqueous quantity monitoring method of lubricant and system determine method and device
US11154657B2 (en) 2017-12-15 2021-10-26 Arkray, Inc. Method of and apparatus for performing intravenous drip injection

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