SG138542A1 - Wireless communication system and wireless communication method - Google Patents

Wireless communication system and wireless communication method

Info

Publication number
SG138542A1
SG138542A1 SG200704122-1A SG2007041221A SG138542A1 SG 138542 A1 SG138542 A1 SG 138542A1 SG 2007041221 A SG2007041221 A SG 2007041221A SG 138542 A1 SG138542 A1 SG 138542A1
Authority
SG
Singapore
Prior art keywords
electric field
interference area
wireless communication
field level
rfid tag
Prior art date
Application number
SG200704122-1A
Other languages
English (en)
Inventor
Shigeru Hatakeyama
Shigeru Yamazaki
Hiroki Murayama
Koichi Hirano
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of SG138542A1 publication Critical patent/SG138542A1/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
    • 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
    • G06K7/10346—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 far field type, e.g. HF types or dipoles
    • 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
    • G06K7/10158—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 methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
    • G06K7/10178—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 methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field including auxiliary means for focusing, repeating or boosting the electromagnetic interrogation field
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/18—Reflecting surfaces; Equivalent structures comprising plurality of mutually inclined plane surfaces, e.g. corner reflector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Near-Field Transmission Systems (AREA)
SG200704122-1A 2006-06-09 2007-06-07 Wireless communication system and wireless communication method SG138542A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006160694 2006-06-09
JP2007130849A JP4407720B2 (ja) 2006-06-09 2007-05-16 無線通信システム及び無線通信方法

Publications (1)

Publication Number Publication Date
SG138542A1 true SG138542A1 (en) 2008-01-28

Family

ID=38510471

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200704122-1A SG138542A1 (en) 2006-06-09 2007-06-07 Wireless communication system and wireless communication method

Country Status (5)

Country Link
US (1) US20070290805A1 (ja)
EP (1) EP1865438A1 (ja)
JP (1) JP4407720B2 (ja)
AU (1) AU2007202701A1 (ja)
SG (1) SG138542A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4325670B2 (ja) * 2006-12-28 2009-09-02 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
JP2010114560A (ja) * 2008-11-05 2010-05-20 Toshiba Corp 読取装置及び管理システム
JP5407771B2 (ja) * 2009-11-05 2014-02-05 大日本印刷株式会社 Ｒｆｉｄタグシステム
US8416062B2 (en) * 2009-11-30 2013-04-09 Symbol Technologies, Inc. Method and apparatus for improving RFID tag reading
US8421604B2 (en) 2009-11-30 2013-04-16 Symbol Technologies, Inc. Method and apparatus for identifying read zone of RFID reader
JP2011249890A (ja) * 2010-05-24 2011-12-08 Hitachi Ltd 無線通信システムおよび無線通信方法
CN104579459B (zh) * 2013-10-25 2018-03-16 华为技术有限公司 一种光纤链路识别的方法、设备和***
JP6957251B2 (ja) * 2017-07-18 2021-11-02 東芝テック株式会社 無線タグ読み取り装置
CN109731790A (zh) * 2019-02-26 2019-05-10 广州攸畅信息科技有限公司 基于rfid的物流快递分拣装置、***及方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE511867A (ja) * 1951-06-05
US4194209A (en) * 1977-12-30 1980-03-18 The United States Of America As Represented By The Secretary Of The Air Force Broadband waveguide lens antenna and method of fabrication
US4769646A (en) * 1984-02-27 1988-09-06 United Technologies Corporation Antenna system and dual-fed lenses producing characteristically different beams
US4804970A (en) * 1985-05-06 1989-02-14 Harris Corp. Equiphase refractive antenna lens
US4825223A (en) * 1986-11-25 1989-04-25 Tsiger Systems Corporation Microwave reflector assembly
US5606334A (en) * 1995-03-27 1997-02-25 Amarillas; Sal G. Integrated antenna for satellite and terrestrial broadcast reception
US5675349A (en) * 1996-02-12 1997-10-07 Boeing North American, Inc. Durable, lightweight, radar lens antenna
US6091867A (en) * 1997-05-02 2000-07-18 Neos Technologies, Inc. M input port by N output port optical switching system
US6441740B1 (en) * 1998-02-27 2002-08-27 Intermec Ip Corp. Radio frequency identification transponder having a reflector
US6320509B1 (en) * 1998-03-16 2001-11-20 Intermec Ip Corp. Radio frequency identification transponder having a high gain antenna configuration
GB9914162D0 (en) * 1999-06-18 1999-08-18 Secr Defence Brit Steerable transponders
US6236315B1 (en) * 1999-10-19 2001-05-22 Lucent Technologies Inc. Method and apparatus for improving the interrogation range of an RF tag
FR2806214B1 (fr) * 2000-03-10 2003-08-01 Agence Spatiale Europeenne Antenne reflectrice comportant une pluralite de panneaux
JP3554764B2 (ja) * 2000-11-20 2004-08-18 独立行政法人 宇宙航空研究開発機構 移動制御反射板を用いたアクティブ吸音パネルシステム
US7136588B1 (en) * 2000-12-22 2006-11-14 Cheetah Omni, Llc Apparatus and method for optical add/drop multiplexing
US7100052B2 (en) * 2001-02-01 2006-08-29 Loran Technologies, Inc. Electronic vehicle product and personal monitoring
US6829092B2 (en) * 2001-08-15 2004-12-07 Silicon Light Machines, Inc. Blazed grating light valve
US6680711B2 (en) * 2002-01-08 2004-01-20 The Boeing Company Coincident transmit-receive beams plus conical scanned monopulse receive beam
US20050156806A1 (en) * 2002-02-22 2005-07-21 Tomozo Ohta Radio communication system
EP1504401B1 (en) * 2002-05-16 2008-07-09 United Parcel Service Of America, Inc. Systems and methods for package sortation and delivery using radio frequency identification technology
US7084836B2 (en) * 2003-05-15 2006-08-01 Espenscheid Mark W Flat panel antenna array
JP2006020083A (ja) * 2004-07-01 2006-01-19 Omron Corp タグ通信用アンテナ、タグ通信装置、タグ通信システム、タグ通信装置のスキャン調整方法、およびスキャン調整プログラム
JP4270187B2 (ja) * 2005-09-27 2009-05-27 日本電気株式会社 無線通信システム及び方法

Also Published As

Publication number Publication date
JP2008017452A (ja) 2008-01-24
AU2007202701A1 (en) 2008-01-03
EP1865438A1 (en) 2007-12-12
US20070290805A1 (en) 2007-12-20
JP4407720B2 (ja) 2010-02-03

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