WO2008084682A1 - 無線タグ通信装置及び無線タグ通信システム - Google Patents

無線タグ通信装置及び無線タグ通信システム Download PDF

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Publication number
WO2008084682A1
WO2008084682A1 PCT/JP2007/074880 JP2007074880W WO2008084682A1 WO 2008084682 A1 WO2008084682 A1 WO 2008084682A1 JP 2007074880 W JP2007074880 W JP 2007074880W WO 2008084682 A1 WO2008084682 A1 WO 2008084682A1
Authority
WO
WIPO (PCT)
Prior art keywords
wireless tag
communication
tag communication
directivity
communication device
Prior art date
Application number
PCT/JP2007/074880
Other languages
English (en)
French (fr)
Inventor
Takuya Nagai
Hiroaki Fujino
Original Assignee
Brother Kogyo Kabushiki Kaisha
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
Priority claimed from JP2006353009A external-priority patent/JP2008164379A/ja
Priority claimed from JP2007032633A external-priority patent/JP4853317B2/ja
Application filed by Brother Kogyo Kabushiki Kaisha filed Critical Brother Kogyo Kabushiki Kaisha
Publication of WO2008084682A1 publication Critical patent/WO2008084682A1/ja

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/28—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics

Abstract

　簡単な構成により実用的なセキュリティシステムを実現する無線タグ通信装置を提供する。 　無線タグ１４との間の通信の指向性を制御する指向性制御部５４と、その指向性制御部５４により定められる各指向性における無線タグ１４からの返信信号に基づいて所定の領域内における通信状態の変化を検出する通信状態変化検出部６６とを、備えたものであることから、電波遮蔽物或いは電波反射物としての移動体９４の移動による無線タグ１４との間の通信の阻害やマルチパスの形成等を観察することで、所定の領域内における移動体９４の移動を簡便に検出することができる。
PCT/JP2007/074880 2006-12-27 2007-12-25 無線タグ通信装置及び無線タグ通信システム WO2008084682A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006-353009 2006-12-27
JP2006353009A JP2008164379A (ja) 2006-12-27 2006-12-27 無線タグ通信装置及び無線タグ通信システム
JP2007-032633 2007-02-13
JP2007032633A JP4853317B2 (ja) 2007-02-13 2007-02-13 無線タグ通信装置

Publications (1)

Publication Number Publication Date
WO2008084682A1 true WO2008084682A1 (ja) 2008-07-17

Family

ID=39608578

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074880 WO2008084682A1 (ja) 2006-12-27 2007-12-25 無線タグ通信装置及び無線タグ通信システム

Country Status (1)

Country Link
WO (1) WO2008084682A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2259445A3 (en) * 2009-06-05 2015-04-15 Fujitsu Limited Radio wave control apparatus, radio wave control system, and radio wave control method
EP3771925A1 (en) * 2019-07-31 2021-02-03 Zumtobel Lighting GmbH Luminaire and lighting trunking system with rfid antenna

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003006753A (ja) * 2001-06-19 2003-01-10 Hitachi Kokusai Electric Inc マイクロ波侵入検出装置
JP2005228292A (ja) * 2004-01-16 2005-08-25 Matsushita Electric Ind Co Ltd 物品位置検出方法、無線タグ位置校正システムおよび物品位置検出装置
JP2005315816A (ja) * 2004-04-30 2005-11-10 Fujitsu Ltd アクティブターゲット装置を用いた遮蔽体検出方法およびプログラム
JP2006266966A (ja) * 2005-03-25 2006-10-05 Daikin Ind Ltd 測位システムおよび測位方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003006753A (ja) * 2001-06-19 2003-01-10 Hitachi Kokusai Electric Inc マイクロ波侵入検出装置
JP2005228292A (ja) * 2004-01-16 2005-08-25 Matsushita Electric Ind Co Ltd 物品位置検出方法、無線タグ位置校正システムおよび物品位置検出装置
JP2005315816A (ja) * 2004-04-30 2005-11-10 Fujitsu Ltd アクティブターゲット装置を用いた遮蔽体検出方法およびプログラム
JP2006266966A (ja) * 2005-03-25 2006-10-05 Daikin Ind Ltd 測位システムおよび測位方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2259445A3 (en) * 2009-06-05 2015-04-15 Fujitsu Limited Radio wave control apparatus, radio wave control system, and radio wave control method
EP3771925A1 (en) * 2019-07-31 2021-02-03 Zumtobel Lighting GmbH Luminaire and lighting trunking system with rfid antenna
WO2021018648A1 (en) * 2019-07-31 2021-02-04 Zumtobel Lighting Gmbh Luminaire and lighting trunking system with rfid antenna

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