DE3564522D1 - Radiating system for broadcasting in road tunnels and powering equipment for this system - Google Patents

Radiating system for broadcasting in road tunnels and powering equipment for this system

Info

Publication number
DE3564522D1
DE3564522D1 DE8585400240T DE3564522T DE3564522D1 DE 3564522 D1 DE3564522 D1 DE 3564522D1 DE 8585400240 T DE8585400240 T DE 8585400240T DE 3564522 T DE3564522 T DE 3564522T DE 3564522 D1 DE3564522 D1 DE 3564522D1
Authority
DE
Germany
Prior art keywords
waves
tunnel
cable
conducting
coaxial
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
Application number
DE8585400240T
Other languages
English (en)
Inventor
Philippe Piole
Jean Collec
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.)
Telediffusion de France ets Public de Diffusion
Original Assignee
Telediffusion de France ets Public de Diffusion
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 Telediffusion de France ets Public de Diffusion filed Critical Telediffusion de France ets Public de Diffusion
Application granted granted Critical
Publication of DE3564522D1 publication Critical patent/DE3564522D1/de
Expired 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
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
    • 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
    • H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Near-Field Transmission Systems (AREA)
  • Road Paving Structures (AREA)
  • Ceramic Products (AREA)
  • Lining And Supports For Tunnels (AREA)
DE8585400240T 1984-02-21 1985-02-13 Radiating system for broadcasting in road tunnels and powering equipment for this system Expired DE3564522D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8402575A FR2559976B1 (fr) 1984-02-21 1984-02-21 Systeme rayonnant pour la radiodiffusion dans les tunnels routiers et equipement d'alimentation de ce systeme

Publications (1)

Publication Number Publication Date
DE3564522D1 true DE3564522D1 (en) 1988-09-22

Family

ID=9301210

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585400240T Expired DE3564522D1 (en) 1984-02-21 1985-02-13 Radiating system for broadcasting in road tunnels and powering equipment for this system

Country Status (4)

Country Link
EP (1) EP0153239B1 (de)
AT (1) ATE36626T1 (de)
DE (1) DE3564522D1 (de)
FR (1) FR2559976B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590093A1 (fr) * 1985-11-14 1987-05-15 Baudart Patrick Systeme de radiodistribution a frequences multiples pour usage en milieu confine
FR2693610B1 (fr) * 1992-07-08 1994-08-19 By Direct Installation de radiodiffusion en milieu confiné.
US5537637A (en) * 1993-09-21 1996-07-16 Nhk Integrated Technology, Inc. Medium-frequency radio broadcasting retransmission system for confined and electromagnetically shielded areas
DE4335345A1 (de) * 1993-10-16 1995-04-20 Sel Alcatel Ag Funkfeststation und Antennenanordnung zur Funkversorgung eines Tunnels
BE1011350A3 (nl) * 1997-09-04 1999-07-06 Belgacom Naamloze Vennoostscha Draadloos binnenhuis telefoonnetwerk.
FR2770709B1 (fr) * 1997-10-30 2000-02-04 Telediffusion Fse Systeme de radiocommunication a cable rayonnant
EP2933933A1 (de) 2014-04-09 2015-10-21 Witikee SRL Vorrichtung und Verfahren zur selektiven Übertragung von Funksignalen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR833614A (fr) * 1937-06-25 1938-10-26 Materiel Telephonique Perfectionnements aux systèmes de transmission à fréquence élevée
FR1210831A (fr) * 1958-07-28 1960-03-10 Optique Electronique L Répartiteur-mélangeur notamment pour ondes métriques et décimétriques
US3766476A (en) * 1971-05-21 1973-10-16 United Communications Ind Inc Highway radio communication system
GB1389554A (en) * 1972-05-26 1975-04-03 Coal Industry Patents Ltd Radiating line transmission system

Also Published As

Publication number Publication date
ATE36626T1 (de) 1988-09-15
EP0153239A1 (de) 1985-08-28
EP0153239B1 (de) 1988-08-17
FR2559976B1 (fr) 1986-06-06
FR2559976A1 (fr) 1985-08-23

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Legal Events

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