MA22078A1 - Installation de communication en hyperfrequences - Google Patents

Installation de communication en hyperfrequences

Info

Publication number
MA22078A1
MA22078A1 MA22351A MA22351A MA22078A1 MA 22078 A1 MA22078 A1 MA 22078A1 MA 22351 A MA22351 A MA 22351A MA 22351 A MA22351 A MA 22351A MA 22078 A1 MA22078 A1 MA 22078A1
Authority
MA
Morocco
Prior art keywords
communication facility
microwave communication
microwave
facility
communication
Prior art date
Application number
MA22351A
Other languages
English (en)
Inventor
M Charles
J Fabre
Original Assignee
Cogema
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 Cogema filed Critical Cogema
Publication of MA22078A1 publication Critical patent/MA22078A1/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
    • H04B5/28—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)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Paints Or Removers (AREA)
MA22351A 1990-03-09 1991-03-06 Installation de communication en hyperfrequences MA22078A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9003043A FR2659512B1 (fr) 1990-03-09 1990-03-09 Installation de communication en hyperfrequences.

Publications (1)

Publication Number Publication Date
MA22078A1 true MA22078A1 (fr) 1991-10-01

Family

ID=9394581

Family Applications (1)

Application Number Title Priority Date Filing Date
MA22351A MA22078A1 (fr) 1990-03-09 1991-03-06 Installation de communication en hyperfrequences

Country Status (8)

Country Link
US (1) US5230080A (fr)
AU (1) AU636722B2 (fr)
CA (1) CA2037830A1 (fr)
FR (1) FR2659512B1 (fr)
MA (1) MA22078A1 (fr)
OA (1) OA09287A (fr)
TN (1) TNSN91011A1 (fr)
ZA (1) ZA911645B (fr)

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DE69225510T2 (de) * 1991-02-28 1998-09-10 Hewlett Packard Co Modulbauförmiges Antennensystem mit verteilten Elementen
US5669065A (en) * 1994-09-15 1997-09-16 Mine Radio Systems Inc. Completely redundant communication system utilizing radiating transmission line
US6041216A (en) * 1998-01-07 2000-03-21 Tunnel Radio Of America, Inc. Radio communication system for use in tunnels
USD419160S (en) * 1998-05-14 2000-01-18 Northrop Grumman Corporation Personal communications unit docking station
US6169730B1 (en) 1998-05-15 2001-01-02 Northrop Grumman Corporation Wireless communications protocol
US6223062B1 (en) 1998-05-15 2001-04-24 Northrop Grumann Corporation Communications interface adapter
US6304559B1 (en) 1998-05-15 2001-10-16 Northrop Grumman Corporation Wireless communications protocol
US6041243A (en) * 1998-05-15 2000-03-21 Northrop Grumman Corporation Personal communications unit
US6243573B1 (en) 1998-05-15 2001-06-05 Northrop Grumman Corporation Personal communications system
US6141426A (en) * 1998-05-15 2000-10-31 Northrop Grumman Corporation Voice operated switch for use in high noise environments
USD421002S (en) * 1998-05-15 2000-02-22 Northrop Grumman Corporation Personal communications unit handset
US6195561B1 (en) * 1998-07-03 2001-02-27 Tunnel Radio Of America, Inc. Antenna system for two-way UHF underground radio system
US6621469B2 (en) 1999-04-26 2003-09-16 Andrew Corporation Transmit/receive distributed antenna systems
US6812905B2 (en) 1999-04-26 2004-11-02 Andrew Corporation Integrated active antenna for multi-carrier applications
US6701137B1 (en) 1999-04-26 2004-03-02 Andrew Corporation Antenna system architecture
US6362787B1 (en) 1999-04-26 2002-03-26 Andrew Corporation Lightning protection for an active antenna using patch/microstrip elements
US6583763B2 (en) * 1999-04-26 2003-06-24 Andrew Corporation Antenna structure and installation
DE60032979T8 (de) * 1999-09-06 2007-09-06 Honda Giken Kogyo K.K. Funksystem eines Fahrzeuges
US6448930B1 (en) 1999-10-15 2002-09-10 Andrew Corporation Indoor antenna
AU2001234463A1 (en) * 2000-01-14 2001-07-24 Andrew Corporation Repeaters for wireless communication systems
CA2407601A1 (fr) * 2000-04-29 2001-11-08 Merck Patent Gesellschaft Mit Beschraenkter Haftung Nouveau element c delta 5 de phospholipase humaine
EP1429471A4 (fr) * 2001-09-19 2007-03-07 Mitsubishi Electric Corp Systeme de communication utilisant une ligne de transmission a courant de fuite
US7231224B1 (en) * 2001-11-13 2007-06-12 Atheros Communications, Inc. Cable having embedded access points
US7623868B2 (en) * 2002-09-16 2009-11-24 Andrew Llc Multi-band wireless access point comprising coextensive coverage regions
US6983174B2 (en) * 2002-09-18 2006-01-03 Andrew Corporation Distributed active transmit and/or receive antenna
US6844863B2 (en) 2002-09-27 2005-01-18 Andrew Corporation Active antenna with interleaved arrays of antenna elements
US6906681B2 (en) * 2002-09-27 2005-06-14 Andrew Corporation Multicarrier distributed active antenna
US7280848B2 (en) * 2002-09-30 2007-10-09 Andrew Corporation Active array antenna and system for beamforming
US20040203804A1 (en) * 2003-01-03 2004-10-14 Andrew Corporation Reduction of intermodualtion product interference in a network having sectorized access points
US6972622B2 (en) * 2003-05-12 2005-12-06 Andrew Corporation Optimization of error loops in distributed power amplifiers
US20080211730A1 (en) 2007-01-26 2008-09-04 Woosnam Calvin H Gimbaled Mount System for Satellites
US8725188B1 (en) 2007-07-20 2014-05-13 Kutta Technologies, Inc. Enclosed space communication systems and related methods
US7940188B2 (en) 2008-02-07 2011-05-10 Veltek Associates, Inc. Air sampling system having a plurality of air sampling devices with their own flow switches
US8885559B2 (en) 2009-03-20 2014-11-11 Innovative Wireless Technologies, Inc. Method and apparatus for reliable communications in underground and hazardous areas
WO2010107441A1 (fr) 2009-03-20 2010-09-23 Innovative Wireless Technologies, Inc. Protocole de réseau maillé ad hoc distribué pour des communications en zones minières souterraines et des zones à risques
US11011820B2 (en) * 2014-01-20 2021-05-18 Telefonaktiebolaget Lm Ericsson (Publ) Antenna system providing coverage for multiple-input multiple-output, MIMO, communication, a method and system
US9939416B2 (en) 2014-08-28 2018-04-10 Veltek Assoicates, Inc. Programmable logic controller-based system and user interface for air sampling in controlled environments

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1235888A (en) * 1967-08-17 1971-06-16 Sumitomo Electric Industries Improvements in or relating to radio transmission systems for communication with moving bodies
GB1248222A (en) * 1968-02-13 1971-09-29 Coal Industry Patents Ltd Radio frequency communication systems
BE746177A (fr) * 1970-02-18 1970-08-18 Iniex Systeme de telecommunications par voie radio-electrique en milieu confine (
US3803366A (en) * 1971-12-30 1974-04-09 Kokusai Electric Co Ltd Duplex communication system using plurality of hand sets
GB1371291A (en) * 1972-05-09 1974-10-23 Coal Industry Patents Ltd Radio frequency communication systems
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US4777652A (en) * 1982-07-27 1988-10-11 A.R.F. Products Radio communication systems for underground mines
US4652857A (en) * 1983-04-29 1987-03-24 Meiksin Zvi H Method and apparatus for transmitting wide-bandwidth frequency signals from mines and other power restricted environments
DE3710455A1 (de) * 1987-03-30 1988-10-20 Licentia Gmbh Verfahren zur uebertragung von funksignalen und funkuebertragungssystem zur ausfuehrung des verfahrens
US5093929A (en) * 1987-05-29 1992-03-03 Stolar, Inc. Medium frequency mine communication system
US4879755A (en) * 1987-05-29 1989-11-07 Stolar, Inc. Medium frequency mine communication system
US4972505A (en) * 1988-12-06 1990-11-20 Isberg Reuben A Tunnel distributed cable antenna system with signal top coupling approximately same radiated energy

Also Published As

Publication number Publication date
OA09287A (fr) 1992-08-31
FR2659512B1 (fr) 1994-04-29
ZA911645B (en) 1992-05-27
AU7274491A (en) 1991-09-12
US5230080A (en) 1993-07-20
TNSN91011A1 (fr) 1992-10-25
CA2037830A1 (fr) 1991-09-10
FR2659512A1 (fr) 1991-09-13
AU636722B2 (en) 1993-05-06

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