FR2080581A1 - - Google Patents

Info

Publication number
FR2080581A1
FR2080581A1 FR7100142A FR7100142A FR2080581A1 FR 2080581 A1 FR2080581 A1 FR 2080581A1 FR 7100142 A FR7100142 A FR 7100142A FR 7100142 A FR7100142 A FR 7100142A FR 2080581 A1 FR2080581 A1 FR 2080581A1
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
FR7100142A
Other languages
French (fr)
Other versions
FR2080581B1 (nl
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.)
INIEX
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
Publication of FR2080581A1 publication Critical patent/FR2080581A1/fr
Application granted granted Critical
Publication of FR2080581B1 publication Critical patent/FR2080581B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
    • 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
    • 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
    • H01Q13/28—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements or conductive elements forming artificial dielectric
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Waveguide Aerials (AREA)
  • Communication Cables (AREA)
FR7100142A 1970-02-18 1971-01-05 Expired FR2080581B1 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE85381 1970-02-18

Publications (2)

Publication Number Publication Date
FR2080581A1 true FR2080581A1 (nl) 1971-11-19
FR2080581B1 FR2080581B1 (nl) 1974-10-11

Family

ID=3841321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7100142A Expired FR2080581B1 (nl) 1970-02-18 1971-01-05

Country Status (9)

Country Link
JP (1) JPS553855B1 (nl)
BE (1) BE746177A (nl)
CA (1) CA931238A (nl)
DE (1) DE2104467C3 (nl)
FR (1) FR2080581B1 (nl)
GB (1) GB1327864A (nl)
LU (1) LU62476A1 (nl)
NL (1) NL149047B (nl)
ZA (1) ZA71950B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE834291A (fr) * 1975-10-07 1976-02-02 Systeme de radiocommunications pour milieux confines
DE3004882A1 (de) * 1980-02-09 1981-08-20 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Abstrahlendes koaxiales hochfrequenz-kabel
GB2212985A (en) * 1987-12-01 1989-08-02 Alison Microsystems Limited Slotted antenna
GB2235336B (en) * 1989-06-23 1994-05-11 Hunting Eng Ltd Communication via leaky cables
FR2659512B1 (fr) * 1990-03-09 1994-04-29 Cogema Installation de communication en hyperfrequences.
GB2415544B (en) * 2004-06-25 2006-11-29 Motorola Inc RF communication device and method of using it and antenna and antenna construction for use in the device and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455224A (en) * 1944-06-16 1948-11-30 Buchwalter Louise Antenna
US3364489A (en) * 1964-09-17 1968-01-16 Melpar Inc Traveling wave antenna having radiator elements with doubly periodic spacing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455224A (en) * 1944-06-16 1948-11-30 Buchwalter Louise Antenna
US3364489A (en) * 1964-09-17 1968-01-16 Melpar Inc Traveling wave antenna having radiator elements with doubly periodic spacing

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
(REVUE AMERICAINE"IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY",VOLUME VI-18,NO.2,AOUT 1969,ARTICLEGUIDED LADIATION BY COAXIAL CABLE FOR TRAIN WIRELESS SYSTEMS IN TUNNELS"AUTEURS MIKOSHIBA ET NURITA,PAGES 66-69. *
8,JUILLET *
AOUT 1970,ARTICLE"LES LIAISONS *
AOUT 1970,ARTICLE"LES LIAISONS RADIO-ELECTRIQUES PAR CABLE COAXIAL DANS LA MINE",AUTEUR DELOGNE,PAGES 967-975.) *
GUIDED LADIATION BY COAXIAL CABLE FOR TRAIN WIRELESS SYSTEMS IN TUNNELS"AUTEURS MIKOSHIBA ET *
NURITA,PAGES 66-69. *
RADIO-ELECTRIQUES PAR CABLE COAXIAL DANS LA MINE",AUTEUR DELOGNE,PAGES 967-975.) *
REVUE AMERICAINE"IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY",VOLUME VI-18,NO.2,AOUT 1969,ARTICLE *
REVUE BELGE:"ANNALES DES MINES DE BELGIQUE",NO.7 *

Also Published As

Publication number Publication date
GB1327864A (en) 1973-08-22
BE746177A (fr) 1970-08-18
JPS553855B1 (nl) 1980-01-28
DE2104467A1 (de) 1971-08-26
NL7101966A (nl) 1971-08-20
LU62476A1 (nl) 1971-08-11
CA931238A (en) 1973-07-31
DE2104467B2 (de) 1973-04-05
NL149047B (nl) 1976-03-15
ZA71950B (en) 1971-12-29
FR2080581B1 (nl) 1974-10-11
DE2104467C3 (de) 1978-09-07

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