NO940534L - - Google Patents

Info

Publication number
NO940534L
NO940534L NO940534A NO940534A NO940534L NO 940534 L NO940534 L NO 940534L NO 940534 A NO940534 A NO 940534A NO 940534 A NO940534 A NO 940534A NO 940534 L NO940534 L NO 940534L
Authority
NO
Norway
Prior art keywords
signals
power supply
transmitted
voltage
transmitting
Prior art date
Application number
NO940534A
Other languages
English (en)
Norwegian (no)
Other versions
NO940534D0 (no
Original Assignee
Petroleo Brasileiro Sa
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 Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Publication of NO940534D0 publication Critical patent/NO940534D0/no
Publication of NO940534L publication Critical patent/NO940534L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5458—Monitor sensor; Alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5475—Systems for power line communications adapted for drill or well combined with data transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Selective Calling Equipment (AREA)
NO940534A 1993-02-17 1994-02-16 Integrert strömforsynings- og signal transmisjonssystem NO940534D0 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9300603A BR9300603A (pt) 1993-02-17 1993-02-17 Sistema integrado para transmissão de força e sinal

Publications (2)

Publication Number Publication Date
NO940534D0 NO940534D0 (no) 1994-02-16
NO940534L true NO940534L (de) 1994-08-18

Family

ID=4055867

Family Applications (1)

Application Number Title Priority Date Filing Date
NO940534A NO940534D0 (no) 1993-02-17 1994-02-16 Integrert strömforsynings- og signal transmisjonssystem

Country Status (6)

Country Link
US (1) US5572182A (de)
EP (1) EP0612161A3 (de)
BR (1) BR9300603A (de)
CA (1) CA2115793A1 (de)
EC (1) ECSP941042A (de)
NO (1) NO940534D0 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5975248A (en) * 1995-08-11 1999-11-02 Drucegrove Limited Communications system
GB2300849B (en) * 1995-08-11 1997-10-22 Drucegrove Ltd Communications system
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6473608B1 (en) * 1999-01-12 2002-10-29 Powerdsine Ltd. Structure cabling system
US8593266B2 (en) * 1999-07-01 2013-11-26 Oilfield Equipment Development Center Limited Power line communication system
US6956826B1 (en) 1999-07-07 2005-10-18 Serconet Ltd. Local area network for distributing data communication, sensing and control signals
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
DE20115473U1 (de) * 2001-09-19 2003-02-20 Biester Klaus Universelles Energieversorgungssystem
DE20018560U1 (de) * 2000-10-30 2002-03-21 Cameron Gmbh Steuer- und Versorgungssystem
DE20115471U1 (de) * 2001-09-19 2003-02-20 Biester Klaus Universelles Energieversorgungssystem
US7615893B2 (en) * 2000-05-11 2009-11-10 Cameron International Corporation Electric control and supply system
DE20115474U1 (de) * 2001-09-19 2003-02-20 Biester Klaus Gleichspannungs-Wandlervorrichtung
US6961303B1 (en) 2000-09-21 2005-11-01 Serconet Ltd. Telephone communication system and method over local area network wiring
US7020271B2 (en) * 2003-06-12 2006-03-28 Barbara Isabel Hummel Ring control device
DE20115475U1 (de) * 2001-09-19 2003-02-20 Biester Klaus Gleichspannungs-Wandlervorrichtung
IL152824A (en) 2002-11-13 2012-05-31 Mosaid Technologies Inc A socket that can be connected to and the network that uses it
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
US9683438B2 (en) 2014-09-18 2017-06-20 Baker Hughes Incorporation Communication between downhole tools and a surface processor using a network
US11965409B2 (en) 2022-03-28 2024-04-23 Schlumberger Technology Corporation Downhole device communication using measured electrical property of supplied power

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900842A (en) * 1973-03-29 1975-08-19 Automated Technology Corp Remote automatic meter reading and control system
US3938129A (en) * 1974-08-21 1976-02-10 General Electric Company Power line data transmission system
GB1554411A (en) * 1975-08-09 1979-10-17 Communications Patents Ltd Control systems
US4027286A (en) * 1976-04-23 1977-05-31 Trw Inc. Multiplexed data monitoring system
US4157535A (en) * 1977-05-20 1979-06-05 Lynes, Inc. Down hole pressure/temperature gage connect/disconnect method and apparatus
FR2557717B1 (fr) * 1983-12-30 1987-02-27 Thomson Csf Dispositif de tele-alimentation et de transmission de commandes, pour une station mobile de faisceaux hertziens
US4788448A (en) * 1984-12-06 1988-11-29 Ferranti Subsea Systems, Ltd. Power transfer of direct current with inductive couplings
US4639714A (en) * 1984-12-21 1987-01-27 Ferranti Subsea Systems, Ltd. Combined power and control signal transmission system

Also Published As

Publication number Publication date
ECSP941042A (es) 1994-09-16
NO940534D0 (no) 1994-02-16
EP0612161A2 (de) 1994-08-24
US5572182A (en) 1996-11-05
CA2115793A1 (en) 1994-08-18
EP0612161A3 (de) 1995-07-26
BR9300603A (pt) 1994-10-04

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