KR100716862B1 - 무선 네트워크를 위한 통신시스템 내의 전자계 - Google Patents

무선 네트워크를 위한 통신시스템 내의 전자계 Download PDF

Info

Publication number
KR100716862B1
KR100716862B1 KR1020017015432A KR20017015432A KR100716862B1 KR 100716862 B1 KR100716862 B1 KR 100716862B1 KR 1020017015432 A KR1020017015432 A KR 1020017015432A KR 20017015432 A KR20017015432 A KR 20017015432A KR 100716862 B1 KR100716862 B1 KR 100716862B1
Authority
KR
South Korea
Prior art keywords
conductors
radio frequency
signal
electromagnetic field
frequency signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR1020017015432A
Other languages
English (en)
Korean (ko)
Other versions
KR20020022060A (ko
Inventor
조오지 지 채드윅
Original Assignee
가부시키가이샤 코코모· 에무비· 코뮤니케이션즈`
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 가부시키가이샤 코코모· 에무비· 코뮤니케이션즈` filed Critical 가부시키가이샤 코코모· 에무비· 코뮤니케이션즈`
Publication of KR20020022060A publication Critical patent/KR20020022060A/ko
Application granted granted Critical
Publication of KR100716862B1 publication Critical patent/KR100716862B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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)
KR1020017015432A 1999-06-25 2000-06-21 무선 네트워크를 위한 통신시스템 내의 전자계 Expired - Fee Related KR100716862B1 (ko)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
KR20020022060A KR20020022060A (ko) 2002-03-23
KR100716862B1 true KR100716862B1 (ko) 2007-05-09

Family

ID=23332390

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020017015432A Expired - Fee Related KR100716862B1 (ko) 1999-06-25 2000-06-21 무선 네트워크를 위한 통신시스템 내의 전자계

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)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6600896B2 (en) 1999-06-25 2003-07-29 Cocomo Mb Communications, Inc. Exciter system and excitation methods for communications within and very near to vehicles
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890700978A (ko) * 1987-05-01 1989-04-28 마이크로 셀룰러 통신 시스템

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4698639A (en) * 1986-01-14 1987-10-06 The Singer Company Circularly polarized leaky waveguide doppler antenna
US4847903A (en) * 1987-05-22 1989-07-11 Recoton Corporation Wireless remote speaker system
US4980665A (en) * 1987-05-22 1990-12-25 Recoton Corporation Remote control repeater
US4847561A (en) 1988-04-26 1989-07-11 Soohoo Ronald F Domain and domain wall transition spectroscopy
US5230085A (en) * 1991-04-05 1993-07-20 E-Systems, Inc. Method and apparatus for wireless electromagnetic communication within a contained electromagnetic field
US5302960A (en) 1992-07-20 1994-04-12 Digital Equipment Corporation Multi-element susceptibility room
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
US5838226A (en) * 1996-02-07 1998-11-17 Lutron Electronics Co.Inc. Communication protocol for transmission system for controlling and determining the status of electrical devices from remote locations
US5696861A (en) * 1996-08-13 1997-12-09 Schimmeyer; Werner K. Method and apparatus for simultaneously connecting data/signal communication lines and power lines to a data/RF receiver/transmitter
US5805053A (en) * 1996-10-21 1998-09-08 Elcom Technologies, Inc. Appliance adapted for power line communications
US6081728A (en) * 1997-02-28 2000-06-27 Andrew Corporation Strip-type radiating cable for a radio communication system
US5929748A (en) * 1997-06-12 1999-07-27 Microsoft Corporation Automated home control using existing electrical lines as a communications medium
US5926137A (en) * 1997-06-30 1999-07-20 Virginia Tech Intellectual Properties Foursquare antenna radiating element
US6175860B1 (en) * 1997-11-26 2001-01-16 International Business Machines Corporation Method and apparatus for an automatic multi-rate wireless/wired computer network
US6151354A (en) * 1997-12-19 2000-11-21 Rockwell Science Center Multi-mode, multi-band, multi-user radio system architecture
US6160405A (en) * 1998-03-30 2000-12-12 Jovial Test Equipment, Inc. Method and apparatus for remotely changing signal characteristics of a signal generator
US6329928B1 (en) * 1998-12-21 2001-12-11 General Electric Company Magnetic induction meter intra-building communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890700978A (ko) * 1987-05-01 1989-04-28 마이크로 셀룰러 통신 시스템

Also Published As

Publication number Publication date
US6917785B2 (en) 2005-07-12
HK1048020A1 (en) 2003-03-14
ES2241622T3 (es) 2005-11-01
JP4208224B2 (ja) 2009-01-14
EP1596467A1 (en) 2005-11-16
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

Similar Documents

Publication Publication Date Title
KR100716862B1 (ko) 무선 네트워크를 위한 통신시스템 내의 전자계
US6219553B1 (en) Low power wireless network using desktop antenna
US6885846B1 (en) Low power wireless network
Peter Ho et al. Antenna effects on indoor obstructed wireless channels and a deterministic image-based wide-band propagation model for in-building personal communication systems
CN100358181C (zh) 用于室内无线通信的内置天线系统
US20030096575A1 (en) Radio coverage in closed environments
US6871044B2 (en) Exciter system and method for communications within an enclosed space
AU761414B2 (en) Electromagnetic field in a communications system for wireless networks
Wang et al. Numerical investigation of OAM based indoor communication in a corridor with electrical conducting walls
Igboamalu et al. Contact-less PLC: Channel analysis and measurements campaign
Smulders et al. Biconical horn antennas for near uniform coverage in indoor areas at mm-wave frequencies
HK1048020B (en) Method and system for communicating in electromagnetic field for wireless network
CN205545294U (zh) 一种信号干扰系统
Kyritsi et al. Modal analysis of MIMO capacity in a hallway
Pechač et al. Indoor propagation modelling in multi-storey buildings in Prague
JPH06188821A (ja) 小電力無線通信システム
JP4225464B2 (ja) ハブとプローブのシステムおよび方法
Lemmon Analysis of the RF threat to telecommunications switching stations and cellular base stations
JP2000341189A (ja) 建屋内無電源電波中継器
Siu A feasibility study of intrabuilding wireless communications using low level nominal 60 GHz radiation
HK1064219B (en) Built-in antenna system for indoor wireless communications
AU2001278978A1 (en) Exciter system and method for communications within an enclosed space
JP2002374196A (ja) 無線信号装置

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20100504

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20100504