FR2195126A2 - - Google Patents

Info

Publication number
FR2195126A2
FR2195126A2 FR7327564A FR7327564A FR2195126A2 FR 2195126 A2 FR2195126 A2 FR 2195126A2 FR 7327564 A FR7327564 A FR 7327564A FR 7327564 A FR7327564 A FR 7327564A FR 2195126 A2 FR2195126 A2 FR 2195126A2
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.)
Granted
Application number
FR7327564A
Other languages
French (fr)
Other versions
FR2195126B2 (OSRAM
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.)
INSTITUT NL IND EXTRACTIVES BE
INIEX
Original Assignee
INSTITUT NL IND EXTRACTIVES BE
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 INSTITUT NL IND EXTRACTIVES BE, INIEX filed Critical INSTITUT NL IND EXTRACTIVES BE
Publication of FR2195126A2 publication Critical patent/FR2195126A2/fr
Application granted granted Critical
Publication of FR2195126B2 publication Critical patent/FR2195126B2/fr
Expired 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
    • H04B5/24—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)
  • Communication Cables (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Details Of Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
FR7327564A 1970-02-18 1973-07-27 Expired FR2195126B2 (OSRAM)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR2195126A2 true FR2195126A2 (OSRAM) 1974-03-01
FR2195126B2 FR2195126B2 (OSRAM) 1977-05-13

Family

ID=25647495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327564A Expired FR2195126B2 (OSRAM) 1970-02-18 1973-07-27

Country Status (8)

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

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 (en) * 1986-11-06 1991-02-19 Senstar-Stellar Corporation Intrusion detection system
CA1280488C (en) * 1986-11-06 1991-02-19 Control Data Canada Limited Perimeter intrusion detection system with block ranging capability
DE102008063458B4 (de) * 2008-12-17 2012-03-15 Siemens Aktiengesellschaft Mantelwellensperre, Magnetresonanztomographie-Einrichtung mit Mantelwellensperre und Verwendung der Mantelwellensperre in einer solchen Einrichtung

Citations (1)

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

Patent Citations (1)

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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE GB: "ELECTRONICS LETTERS", 26 NOVEMBRE 1970, VOL. 6, NO. 24, PAGES 767 ET 768. ARTICLE: "RADIOCOMMUNICATION AND CONTROL IN MINES AND TUNNELS". AUTEUR: DE KEYSER ET AL. *

Also Published As

Publication number Publication date
JPS49132911A (OSRAM) 1974-12-20
GB1434975A (en) 1976-05-12
FR2195126B2 (OSRAM) 1977-05-13
DE2337949C3 (de) 1978-11-30
US3829767A (en) 1974-08-13
NL173337B (nl) 1983-08-01
DE2337949B2 (de) 1974-08-08
DE2337949A1 (de) 1974-02-21
NL7310334A (OSRAM) 1974-02-05
BE787158R (fr) 1972-12-01
NL173337C (nl) 1984-01-02
LU68137A1 (OSRAM) 1973-10-16

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