FR2391604B1 - - Google Patents

Info

Publication number
FR2391604B1
FR2391604B1 FR7815366A FR7815366A FR2391604B1 FR 2391604 B1 FR2391604 B1 FR 2391604B1 FR 7815366 A FR7815366 A FR 7815366A FR 7815366 A FR7815366 A FR 7815366A FR 2391604 B1 FR2391604 B1 FR 2391604B1
Authority
FR
France
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
FR7815366A
Other languages
French (fr)
Other versions
FR2391604A1 (fr
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Publication of FR2391604A1 publication Critical patent/FR2391604A1/fr
Application granted granted Critical
Publication of FR2391604B1 publication Critical patent/FR2391604B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Alarm Systems (AREA)
FR7815366A 1977-05-20 1978-05-18 Installation radio pour tunnels Granted FR2391604A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH628077A CH615545A5 (en) 1977-05-20 1977-05-20 Tunnel radio system

Publications (2)

Publication Number Publication Date
FR2391604A1 FR2391604A1 (fr) 1978-12-15
FR2391604B1 true FR2391604B1 (it) 1982-09-17

Family

ID=4307063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815366A Granted FR2391604A1 (fr) 1977-05-20 1978-05-18 Installation radio pour tunnels

Country Status (6)

Country Link
AT (1) AT377400B (it)
CH (1) CH615545A5 (it)
DE (1) DE2728765C2 (it)
FR (1) FR2391604A1 (it)
IT (1) IT1095625B (it)
YU (1) YU55778A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT372661B (de) * 1980-12-01 1983-11-10 Voest Alpine Ag Anlage zur induktiven uebertragung von signaltelegrammen zwischen einer ortsfesten sende- und empfangsstation und einzelnen foerdermitteln
NZ240907A (en) * 1990-12-14 1995-01-27 Ainsworth Tech Inc Communication system: signal level adjusting interface between distribution and antenna systems
FR2770709B1 (fr) * 1997-10-30 2000-02-04 Telediffusion Fse Systeme de radiocommunication a cable rayonnant
DE19950882C2 (de) * 1999-10-22 2001-10-18 Motorola Inc Kommunikationssystem für ein Gebiet mit eingeschränkten Empfangsmöglichkeiten
CN103595458B (zh) * 2012-08-14 2017-12-15 西门子公司 一种基于电缆的通信设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1389554A (en) * 1972-05-26 1975-04-03 Coal Industry Patents Ltd Radiating line transmission system
GB1485156A (en) * 1974-08-07 1977-09-08 Coal Ind Radiating line telecommunication systems
GB1497288A (en) * 1975-03-07 1978-01-05 Coal Ind Telecommunication system

Also Published As

Publication number Publication date
IT7823563A0 (it) 1978-05-18
AT377400B (de) 1985-03-11
FR2391604A1 (fr) 1978-12-15
YU55778A (en) 1982-08-31
IT1095625B (it) 1985-08-10
DE2728765C2 (de) 1986-02-13
DE2728765A1 (de) 1978-11-30
CH615545A5 (en) 1980-01-31
ATA364378A (de) 1983-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse