BE834291A - Systeme de radiocommunications pour milieux confines - Google Patents

Systeme de radiocommunications pour milieux confines

Info

Publication number
BE834291A
BE834291A BE6045207A BE6045207A BE834291A BE 834291 A BE834291 A BE 834291A BE 6045207 A BE6045207 A BE 6045207A BE 6045207 A BE6045207 A BE 6045207A BE 834291 A BE834291 A BE 834291A
Authority
BE
Belgium
Prior art keywords
confined areas
radiocommunications system
radiocommunications
confined
areas
Prior art date
Application number
BE6045207A
Other languages
English (en)
French (fr)
Inventor
P Delogne
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 filed Critical
Priority to BE6045207A priority Critical patent/BE834291A/xx
Publication of BE834291A publication Critical patent/BE834291A/xx
Priority to DE19762618772 priority patent/DE2618772A1/de
Priority to GB27837/76A priority patent/GB1541278A/en
Priority to CA257,239A priority patent/CA1088202A/fr
Priority to FR7622392A priority patent/FR2327686A1/fr
Priority to JP51092732A priority patent/JPS5246712A/ja
Priority to US05/728,045 priority patent/US4152648A/en
Priority to JP1982028402U priority patent/JPS6016131Y2/ja

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Waveguide Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
BE6045207A 1975-10-07 1975-10-07 Systeme de radiocommunications pour milieux confines BE834291A (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE6045207A BE834291A (fr) 1975-10-07 1975-10-07 Systeme de radiocommunications pour milieux confines
DE19762618772 DE2618772A1 (de) 1975-10-07 1976-04-29 Nachrichtenuebertragungssystem
GB27837/76A GB1541278A (en) 1975-10-07 1976-07-05 Comounication system particularly suitable for establishing radioelectric communication in tunnels and along linear paths above the ground
CA257,239A CA1088202A (fr) 1975-10-07 1976-07-19 Systeme de radiocommunications pour milieux confines
FR7622392A FR2327686A1 (fr) 1975-10-07 1976-07-22 Systeme de radiocommunications pour milieux confines
JP51092732A JPS5246712A (en) 1975-10-07 1976-08-03 Limited space radio communication system
US05/728,045 US4152648A (en) 1975-10-07 1976-09-30 Radiocommunication system for confined spaces
JP1982028402U JPS6016131Y2 (ja) 1975-10-07 1982-02-26 限定空間用無線通信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE6045207A BE834291A (fr) 1975-10-07 1975-10-07 Systeme de radiocommunications pour milieux confines

Publications (1)

Publication Number Publication Date
BE834291A true BE834291A (fr) 1976-02-02

Family

ID=3874654

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6045207A BE834291A (fr) 1975-10-07 1975-10-07 Systeme de radiocommunications pour milieux confines

Country Status (7)

Country Link
US (1) US4152648A (zh)
JP (2) JPS5246712A (zh)
BE (1) BE834291A (zh)
CA (1) CA1088202A (zh)
DE (1) DE2618772A1 (zh)
FR (1) FR2327686A1 (zh)
GB (1) GB1541278A (zh)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH627879A5 (en) * 1978-06-06 1982-01-29 Siemens Ag Albis Antenna 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
JPH0690003B2 (ja) * 1983-09-06 1994-11-14 アンリツ株式会社 走間厚み計
FR2552272B1 (fr) * 1983-09-15 1986-04-11 Cables De Lyon Geoffroy Delore Cable electrique coaxial rayonnant
DE3611077C2 (de) * 1986-04-03 1997-11-20 Daimler Benz Aerospace Ag Anordnung zur drahtlosen Informationsübertragung mittels elektromagnetischer Wellen extrem niedriger Frequenzen
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
DE4106890A1 (de) * 1991-03-05 1992-09-10 Rheydt Kabelwerk Ag Strahlendes hochfrequenzkabel
DE4331171A1 (de) * 1993-09-14 1995-03-16 Rheydt Kabelwerk Ag Abstrahlendes koaxiales Hochfrequenzkabel
DE4335345A1 (de) * 1993-10-16 1995-04-20 Sel Alcatel Ag Funkfeststation und Antennenanordnung zur Funkversorgung eines Tunnels
US5898350A (en) * 1997-11-13 1999-04-27 Radio Frequency Systems, Inc. Radiating coaxial cable and method for making the same
US20050079818A1 (en) * 2002-11-01 2005-04-14 Atwater Philip L. Wireless communications system
EP1739789B1 (en) * 2005-06-30 2007-10-31 Institut Scientifique de Service Public Radiating coaxial cable
EP1742298A1 (en) * 2005-06-30 2007-01-10 Institut Scientifique de Service Public Radiating coaxial cable
US7471258B2 (en) * 2006-04-26 2008-12-30 Hrl Laboratories, Llc Coaxial cable having high radiation efficiency
US8395878B2 (en) 2006-04-28 2013-03-12 Orica Explosives Technology Pty Ltd Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof
US8750709B1 (en) 2008-07-18 2014-06-10 Hrl Laboratories, Llc RF receiver front-end assembly
US8995838B1 (en) 2008-06-18 2015-03-31 Hrl Laboratories, Llc Waveguide assembly for a microwave receiver with electro-optic modulator
US8180183B1 (en) 2008-07-18 2012-05-15 Hrl Laboratories, Llc Parallel modulator photonic link
US8059045B1 (en) 2008-08-18 2011-11-15 Hrl Laboratories, Llc Antenna having an impedance matching section for integration into apparel
US7956818B1 (en) 2008-09-17 2011-06-07 Hrl Laboratories, Llc Leaky coaxial cable with high radiation efficiency
US9335568B1 (en) 2011-06-02 2016-05-10 Hrl Laboratories, Llc Electro-optic grating modulator
JP7224762B2 (ja) * 2018-02-27 2023-02-20 三菱重工業株式会社 無線通信システムおよび飛しょう体
CN109037955B (zh) * 2018-08-07 2019-11-05 江苏亨鑫科技有限公司 一种应用于带状狭长区域的漏缆布置方法
KR20240028920A (ko) 2022-08-25 2024-03-05 주식회사 엘지화학 폴리에스테르 수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE746177A (fr) * 1970-02-18 1970-08-18 Iniex Systeme de telecommunications par voie radio-electrique en milieu confine (
DE2022990A1 (de) * 1970-05-12 1971-12-02 Kabel Metallwerke Ghh Hochfrequenzleitung
US3691488A (en) * 1970-09-14 1972-09-12 Andrew Corp Radiating coaxial cable and method of manufacture thereof
US3781725A (en) * 1972-05-04 1973-12-25 Sumitomo Electric Industries Leaky coaxial cable
US3947834A (en) * 1974-04-30 1976-03-30 E-Systems, Inc. Doppler perimeter intrusion alarm system using a leaky waveguide

Also Published As

Publication number Publication date
CA1088202A (fr) 1980-10-21
FR2327686B1 (zh) 1982-05-28
GB1541278A (en) 1979-02-28
DE2618772A1 (de) 1977-04-21
DE2618772C2 (zh) 1987-01-15
FR2327686A1 (fr) 1977-05-06
JPS588253U (ja) 1983-01-19
JPS6016131Y2 (ja) 1985-05-20
US4152648A (en) 1979-05-01
JPS5246712A (en) 1977-04-13

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: L INSTITUT NATIONAL DES INDUSTRIES EXTRACTIVES

Effective date: 19951007