JP4208224B2 - ワイヤレスネットワークのための電磁界通信方法及びシステム - Google Patents

ワイヤレスネットワークのための電磁界通信方法及びシステム Download PDF

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Publication number
JP4208224B2
JP4208224B2 JP2001506639A JP2001506639A JP4208224B2 JP 4208224 B2 JP4208224 B2 JP 4208224B2 JP 2001506639 A JP2001506639 A JP 2001506639A JP 2001506639 A JP2001506639 A JP 2001506639A JP 4208224 B2 JP4208224 B2 JP 4208224B2
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Japan
Prior art keywords
radio frequency
frequency signal
electromagnetic field
building
signal
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JP2001506639A
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Japanese (ja)
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JP2003512748A (ja
JP2003512748A5 (enExample
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ジー チャドウィック ジョージ
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株式会社ココモ・エムビー・コミュニケーションズ
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Radio Relay Systems (AREA)
  • Details Of Aerials (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Near-Field Transmission Systems (AREA)
JP2001506639A 1999-06-25 2000-06-21 ワイヤレスネットワークのための電磁界通信方法及びシステム Expired - Fee Related JP4208224B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/340,218 US7099621B1 (en) 1999-06-25 1999-06-25 Electromagnetic field communications system for wireless networks
US09/340,218 1999-06-25
PCT/US2000/011886 WO2001001516A1 (en) 1999-06-25 2000-06-21 Electromagnetic field in a communications system for wireless networks

Publications (3)

Publication Number Publication Date
JP2003512748A JP2003512748A (ja) 2003-04-02
JP2003512748A5 JP2003512748A5 (enExample) 2006-01-05
JP4208224B2 true JP4208224B2 (ja) 2009-01-14

Family

ID=23332390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001506639A Expired - Fee Related JP4208224B2 (ja) 1999-06-25 2000-06-21 ワイヤレスネットワークのための電磁界通信方法及びシステム

Country Status (10)

Country Link
US (3) US7099621B1 (enExample)
EP (2) EP1596467A1 (enExample)
JP (1) JP4208224B2 (enExample)
KR (1) KR100716862B1 (enExample)
CN (2) CN1642031A (enExample)
AT (1) ATE294454T1 (enExample)
DE (1) DE60019792T2 (enExample)
ES (1) ES2241622T3 (enExample)
IL (1) IL146666A (enExample)
WO (1) WO2001001516A1 (enExample)

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US6704579B2 (en) 2001-02-15 2004-03-09 Ensemble Communications System and method of automatically calibrating the gain for a distributed wireless communication system
KR20040018236A (ko) * 2001-07-19 2004-03-02 가부시키가이샤 코코모· 에무비· 코뮤니케이션즈` 밀폐공간내의 여진기 시스템과 통신방법
JP2005117568A (ja) * 2003-10-10 2005-04-28 Cocomo Mb Communications Inc 電磁界通信システム及びその構築方法
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
US20050170808A1 (en) * 2004-01-29 2005-08-04 Hamilton Gordon E. Radio interoperability system
IL161869A (en) * 2004-05-06 2014-05-28 Serconet Ltd A system and method for carrying a signal originating is wired using wires
US7933554B2 (en) * 2004-11-04 2011-04-26 The United States Of America As Represented By The Secretary Of The Army Systems and methods for short range wireless communication
US7813451B2 (en) 2006-01-11 2010-10-12 Mobileaccess Networks Ltd. Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
EP1841135A1 (en) * 2006-03-31 2007-10-03 Sony Deutschland Gmbh System for home-installed data transmission
WO2009053910A2 (en) 2007-10-22 2009-04-30 Mobileaccess Networks Ltd. Communication system using low bandwidth wires
US8175649B2 (en) 2008-06-20 2012-05-08 Corning Mobileaccess Ltd Method and system for real time control of an active antenna over a distributed antenna system
US7843347B2 (en) * 2008-01-30 2010-11-30 Intermac Ip Corp. Near-field and far-field antenna-assembly and devices having same
US20100179701A1 (en) * 2009-01-13 2010-07-15 At&T Intellectual Property I, L.P. Irrigation system with wireless control
WO2010089719A1 (en) 2009-02-08 2010-08-12 Mobileaccess Networks Ltd. Communication system using cables carrying ethernet signals
EP2630769B1 (en) * 2010-10-18 2018-12-19 Nokia Solutions and Networks Oy Network control
WO2013142662A2 (en) 2012-03-23 2013-09-26 Corning Mobile Access Ltd. Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods
CN102940526A (zh) * 2012-10-17 2013-02-27 上海安通医疗科技有限公司 一种推拉控制头电极的射频消融导管
US9184960B1 (en) 2014-09-25 2015-11-10 Corning Optical Communications Wireless Ltd Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference

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US3400221A (en) * 1963-06-14 1968-09-03 Gen Electric Music distribution system using fm transmission over house wiring
US4428078A (en) * 1979-03-26 1984-01-24 The Boeing Company Wireless audio passenger entertainment system (WAPES)
JPS598437A (ja) * 1982-07-06 1984-01-17 Iwata Electric:Kk コ−ドレス送受信装置
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US5437057A (en) * 1992-12-03 1995-07-25 Xerox Corporation Wireless communications using near field coupling
JP2749248B2 (ja) * 1993-07-28 1998-05-13 ローム株式会社 コードレス電話機
US5798693A (en) * 1995-06-07 1998-08-25 Engellenner; Thomas J. Electronic locating systems
US5832364A (en) * 1995-10-06 1998-11-03 Airnet Communications Corp. Distributing wireless system carrier signals within a building using existing power line wiring
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Also Published As

Publication number Publication date
US6917785B2 (en) 2005-07-12
HK1048020A1 (en) 2003-03-14
ES2241622T3 (es) 2005-11-01
EP1596467A1 (en) 2005-11-16
KR100716862B1 (ko) 2007-05-09
IL146666A0 (en) 2002-07-25
EP1234353B1 (en) 2005-04-27
ATE294454T1 (de) 2005-05-15
CN1358341A (zh) 2002-07-10
IL146666A (en) 2005-05-17
JP2003512748A (ja) 2003-04-02
US20030143945A1 (en) 2003-07-31
DE60019792T2 (de) 2006-01-26
DE60019792D1 (de) 2005-06-02
US7099621B1 (en) 2006-08-29
KR20020022060A (ko) 2002-03-23
WO2001001516A1 (en) 2001-01-04
CN1642031A (zh) 2005-07-20
EP1234353A1 (en) 2002-08-28
CN1213512C (zh) 2005-08-03
US20040266334A1 (en) 2004-12-30

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