BE787158R - Systeme de telecommunications par voie radioelectrique en milieu confine - Google Patents

Systeme de telecommunications par voie radioelectrique en milieu confine

Info

Publication number
BE787158R
BE787158R BE787158A BE787158A BE787158R BE 787158 R BE787158 R BE 787158R BE 787158 A BE787158 A BE 787158A BE 787158 A BE787158 A BE 787158A BE 787158 R BE787158 R BE 787158R
Authority
BE
Belgium
Prior art keywords
radio
telecommunications system
confined environment
electric
electric telecommunications
Prior art date
Application number
BE787158A
Other languages
English (en)
Inventor
P Delogne
Original Assignee
Iniex
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 Iniex filed Critical Iniex
Application granted granted Critical
Publication of BE787158R publication Critical patent/BE787158R/fr

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
    • H04B5/24—Inductive coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/04—Adaptation for subterranean or subaqueous use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/203—Leaky coaxial lines
    • 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
    • H03H7/38—Impedance-matching networks
    • 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)
  • Waveguide Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Communication Cables (AREA)
  • Details Of Aerials (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
BE787158A 1970-02-18 1972-08-03 Systeme de telecommunications par voie radioelectrique en milieu confine BE787158R (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE85381 1970-02-18
BE120619 1972-08-03

Publications (1)

Publication Number Publication Date
BE787158R true BE787158R (fr) 1972-12-01

Family

ID=25647495

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787158A BE787158R (fr) 1970-02-18 1972-08-03 Systeme de telecommunications par voie radioelectrique en milieu confine

Country Status (8)

Country Link
US (1) US3829767A (fr)
JP (1) JPS49132911A (fr)
BE (1) BE787158R (fr)
DE (1) DE2337949C3 (fr)
FR (1) FR2195126B2 (fr)
GB (1) GB1434975A (fr)
LU (1) LU68137A1 (fr)
NL (1) NL173337C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001774A (en) * 1975-01-08 1977-01-04 Exxon Production Research Company Method of transmitting signals from a drill bit to the surface
US4023136A (en) * 1975-06-09 1977-05-10 Sperry Rand Corporation Borehole telemetry system
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
CA1280487C (fr) * 1986-11-06 1991-02-19 Senstar-Stellar Corporation Systeme detecteur d'intrusion
CA1280488C (fr) * 1986-11-06 1991-02-19 Control Data Canada Limited Systeme de detection d'intrus dans un perimetre divise en blocs
DE102008063458B4 (de) * 2008-12-17 2012-03-15 Siemens Aktiengesellschaft Mantelwellensperre, Magnetresonanztomographie-Einrichtung mit Mantelwellensperre und Verwendung der Mantelwellensperre in einer solchen Einrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2082842A5 (fr) * 1970-03-27 1971-12-10 Boulore Christian

Also Published As

Publication number Publication date
NL7310334A (fr) 1974-02-05
DE2337949A1 (de) 1974-02-21
NL173337B (nl) 1983-08-01
LU68137A1 (fr) 1973-10-16
GB1434975A (en) 1976-05-12
US3829767A (en) 1974-08-13
DE2337949B2 (de) 1974-08-08
FR2195126B2 (fr) 1977-05-13
DE2337949C3 (de) 1978-11-30
JPS49132911A (fr) 1974-12-20
NL173337C (nl) 1984-01-02
FR2195126A2 (fr) 1974-03-01

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