DE69427847D1 - Mittelfrequenzrundfunkübertragungssystem - Google Patents

Mittelfrequenzrundfunkübertragungssystem

Info

Publication number
DE69427847D1
DE69427847D1 DE69427847T DE69427847T DE69427847D1 DE 69427847 D1 DE69427847 D1 DE 69427847D1 DE 69427847 T DE69427847 T DE 69427847T DE 69427847 T DE69427847 T DE 69427847T DE 69427847 D1 DE69427847 D1 DE 69427847D1
Authority
DE
Germany
Prior art keywords
transmission system
broadcast transmission
medium frequency
frequency broadcast
medium
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
DE69427847T
Other languages
English (en)
Other versions
DE69427847T2 (de
Inventor
Tadao Sugita
Tatehiko Toyosawa
Kazumi Shoji
Shinich Watanabe
Atsumi Fujiwara
Masaaki Kitanda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NHK Integrated Technology Inc
Japan Broadcasting Corp
Original Assignee
NHK Integrated Technology Inc
Japan Broadcasting 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
Priority claimed from JP5234892A external-priority patent/JP2935626B2/ja
Priority claimed from JP5305537A external-priority patent/JP2790769B2/ja
Application filed by NHK Integrated Technology Inc, Japan Broadcasting Corp filed Critical NHK Integrated Technology Inc
Application granted granted Critical
Publication of DE69427847D1 publication Critical patent/DE69427847D1/de
Publication of DE69427847T2 publication Critical patent/DE69427847T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H04H20/80—Wired systems using carrier waves having frequencies in two or more frequency bands, e.g. medium wave and VHF
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H04B5/266—One coil at each side, e.g. with primary and secondary coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
DE69427847T 1993-09-21 1994-03-11 Mittelfrequenzrundfunkübertragungssystem Expired - Fee Related DE69427847T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5234892A JP2935626B2 (ja) 1993-09-21 1993-09-21 中波ラジオ伝送方法
JP5305537A JP2790769B2 (ja) 1993-12-06 1993-12-06 トンネル内への中波ラジオ伝送方法

Publications (2)

Publication Number Publication Date
DE69427847D1 true DE69427847D1 (de) 2001-09-06
DE69427847T2 DE69427847T2 (de) 2002-04-04

Family

ID=26531829

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69427847T Expired - Fee Related DE69427847T2 (de) 1993-09-21 1994-03-11 Mittelfrequenzrundfunkübertragungssystem

Country Status (4)

Country Link
US (2) US5537637A (de)
EP (1) EP0644666B1 (de)
KR (1) KR100297507B1 (de)
DE (1) DE69427847T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537637A (en) * 1993-09-21 1996-07-16 Nhk Integrated Technology, Inc. Medium-frequency radio broadcasting retransmission system for confined and electromagnetically shielded areas
FI100501B (fi) * 1994-12-15 1997-12-15 Nokia Telecommunications Oy Solukkomatkaviestinjärjestelmä
US5832364A (en) * 1995-10-06 1998-11-03 Airnet Communications Corp. Distributing wireless system carrier signals within a building using existing power line wiring
US6615021B1 (en) 1999-11-02 2003-09-02 Andrew Corporation Method and apparatus for transmitting radio frequency signals to and from a pager
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
JP2002026841A (ja) * 2000-07-05 2002-01-25 Fuji Television Network Inc 地下放送システム
ES2187351B1 (es) * 2001-06-08 2004-03-16 Tv Transit S A Sistema de emision de señales de video y sonido aplicable a ferrocarriles
JP3749513B2 (ja) * 2002-06-25 2006-03-01 東芝テック株式会社 無線通信システム
US7283020B2 (en) * 2003-03-04 2007-10-16 Nokia Corporation Signal extracting arrangement
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
IL161869A (en) 2004-05-06 2014-05-28 Serconet Ltd A system and method for carrying a signal originating is wired using wires
WO2006020275A2 (en) * 2004-07-15 2006-02-23 Richard Sharpe Local 2-way paging systems and associated methods
US20090091425A1 (en) * 2005-07-15 2009-04-09 Richard Sharpe Pager Solutions For Wireless Device System And Associated Methods
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
JP2007243906A (ja) * 2006-02-07 2007-09-20 Toshiba Corp 閉空間用放送装置
AT504530B1 (de) * 2007-06-25 2008-06-15 Cablerunner Austria Gmbh Netzwerk und verfahren zur übertragung von daten
US8725188B1 (en) 2007-07-20 2014-05-13 Kutta Technologies, Inc. Enclosed space communication systems and related methods
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
WO2010089719A1 (en) 2009-02-08 2010-08-12 Mobileaccess Networks Ltd. Communication system using cables carrying ethernet signals
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
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
KR102361251B1 (ko) 2020-02-11 2022-02-11 한국전자기술연구원 다회용 마약 농도 측정 장치 및 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT36626B (de) * 1908-02-22 1909-03-10 Hugo Keller Gaskarburator.
GB1389554A (en) * 1972-05-26 1975-04-03 Coal Industry Patents Ltd Radiating line transmission system
JPS4933512A (de) * 1972-07-26 1974-03-28
CH612552A5 (en) * 1977-04-29 1979-07-31 Autophon Ag Method for forming induction loops and its application in paging systems
GB2063028B (en) * 1979-09-26 1984-05-16 Pioneer Electronic Corp Community television system with remote controlled switching
US4476574A (en) * 1980-09-17 1984-10-09 The United States Of America As Represented By The United States Department Of Energy Radio frequency communication system utilizing radiating transmission lines
US4777652A (en) * 1982-07-27 1988-10-11 A.R.F. Products Radio communication systems for underground mines
US4457019A (en) * 1982-08-12 1984-06-26 By-Word Corporation System for separately receiving multiple station audio-tour signals
FR2559976B1 (fr) * 1984-02-21 1986-06-06 Telediffusion Fse Systeme rayonnant pour la radiodiffusion dans les tunnels routiers et equipement d'alimentation de ce systeme
JPS61289737A (ja) * 1985-06-18 1986-12-19 Matsushita Electric Ind Co Ltd トンネル内再放送装置
FR2584253B1 (fr) * 1985-07-01 1988-05-06 Pomagalski Sa Telecabine a transmission d'informations par le cable
JPH0746877B2 (ja) * 1985-12-11 1995-05-17 株式会社日立製作所 移動無線通信システム
US4879755A (en) * 1987-05-29 1989-11-07 Stolar, Inc. Medium frequency mine communication system
JPH0253333A (ja) * 1988-08-18 1990-02-22 Matsushita Electric Ind Co Ltd 誘導式無線伝送装置
DE69023904T2 (de) * 1989-04-28 1996-06-13 Karoly Charles Abraham Übertragungsvorrichtung über hochspannungslinie.
US5537637A (en) * 1993-09-21 1996-07-16 Nhk Integrated Technology, Inc. Medium-frequency radio broadcasting retransmission system for confined and electromagnetically shielded areas

Also Published As

Publication number Publication date
DE69427847T2 (de) 2002-04-04
US5537637A (en) 1996-07-16
KR950010395A (ko) 1995-04-28
US5689804A (en) 1997-11-18
KR100297507B1 (ko) 2001-10-24
EP0644666B1 (de) 2001-08-01
EP0644666A1 (de) 1995-03-22

Similar Documents

Publication Publication Date Title
DE69427847D1 (de) Mittelfrequenzrundfunkübertragungssystem
DE69625425D1 (de) Datenrundfunkempfänger
DE59308734D1 (de) Verkehrsrundfunkempfänger
DE69408343T2 (de) Übertragungssystem
DE69407472T2 (de) Datenrundfunksystem
DE69417710T2 (de) Fernsehempfänger
DE69411469T2 (de) Rundfunksignalempfänger
DE69515025D1 (de) Fernsehempfänger
DE69726110D1 (de) Videoübertragungssystem
DE59407500D1 (de) Hochfrequenzempfänger
DE69408613D1 (de) Hochfrequenzübertragungskabel
DE69322868D1 (de) Fernsehempfänger
DE69322669T2 (de) Videosignalübertragung
DE69732746D1 (de) Signalübertragungssystem mit verringerter komplexität
FI952770A0 (fi) Radiosiirtojärjestelmä
DE69328176D1 (de) Übertragungssystem
DE69420085T2 (de) Fernsehempfänger
DE59507471D1 (de) Datenübertragungssystem
DE69605935D1 (de) Zellulares übertragungssystem
DE69514191D1 (de) Mikrowellenübertragungssystem
DE69511219D1 (de) Hochauflösender Fernsehempfänger
DE69525511D1 (de) Video-Übertragungssystem
EP0656705A3 (de) System zur orthogonalen Frequenzmultiplexierung.
DE69732994D1 (de) Hochfrequenz-signalempfänger
DE69505983T2 (de) Getriebesystem

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee