GB8608450D0 - Data transmission systems - Google Patents

Data transmission systems

Info

Publication number
GB8608450D0
GB8608450D0 GB868608450A GB8608450A GB8608450D0 GB 8608450 D0 GB8608450 D0 GB 8608450D0 GB 868608450 A GB868608450 A GB 868608450A GB 8608450 A GB8608450 A GB 8608450A GB 8608450 D0 GB8608450 D0 GB 8608450D0
Authority
GB
United Kingdom
Prior art keywords
data transmission
transmission systems
systems
data
transmission
Prior art date
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
GB868608450A
Other versions
GB2188818A (en
GB2188818B (en
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8608450A priority Critical patent/GB2188818B/en
Publication of GB8608450D0 publication Critical patent/GB8608450D0/en
Priority to FR8704895A priority patent/FR2596903A1/en
Priority to DE19873711602 priority patent/DE3711602A1/en
Publication of GB2188818A publication Critical patent/GB2188818A/en
Application granted granted Critical
Publication of GB2188818B publication Critical patent/GB2188818B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals
    • 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
    • H04B2203/5408—Methods of transmitting or receiving signals via power distribution lines using protocols
    • 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)
  • Selective Calling Equipment (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
GB8608450A 1986-04-07 1986-04-07 Improvements relating to data transmission systems Expired GB2188818B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8608450A GB2188818B (en) 1986-04-07 1986-04-07 Improvements relating to data transmission systems
FR8704895A FR2596903A1 (en) 1986-04-07 1987-04-07 EQUIPMENT FOR FACILITATING THE REMOTE CONTROL OF A POWER CONTROL DEVICE FOR A DATA TRANSMISSION LINK
DE19873711602 DE3711602A1 (en) 1986-04-07 1987-04-07 DATA TRANSFER ARRANGEMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8608450A GB2188818B (en) 1986-04-07 1986-04-07 Improvements relating to data transmission systems

Publications (3)

Publication Number Publication Date
GB8608450D0 true GB8608450D0 (en) 1986-05-14
GB2188818A GB2188818A (en) 1987-10-07
GB2188818B GB2188818B (en) 1989-11-29

Family

ID=10595813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8608450A Expired GB2188818B (en) 1986-04-07 1986-04-07 Improvements relating to data transmission systems

Country Status (3)

Country Link
DE (1) DE3711602A1 (en)
FR (1) FR2596903A1 (en)
GB (1) GB2188818B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225464A (en) * 1988-10-18 1990-05-30 Plessey Co Plc Data transmission systems
GB2256117A (en) * 1991-05-14 1992-11-25 Teleco Oilfield Services Inc Transmission of data pulses on intrinsically safe power lines
NO174488C (en) * 1992-02-12 1994-05-11 Alcatel Stk As Cable for transmitting power and signals
DE4218748C1 (en) * 1992-06-04 1993-10-21 Licentia Gmbh Transmission circuitry for rectangular signals over long transmission path - has pair of twisted conductors respectively coupled at input end to collector and emitter of output transistor of optical coupler receiving signal, and conductors coupled at output by respective ohmic resistors
DE19728500C1 (en) * 1997-07-03 1999-02-11 Energieversorgung Ostbayern Ag Data transmission system for the transmission of data via at least one electrical power cable
DE19742801A1 (en) * 1997-09-27 1999-04-08 Stegmann Max Antriebstech Transmitting process data for regulated drives
GB2337675B (en) 1998-05-22 2001-04-11 Schlumberger Ltd Oil well monitoring and control system communication network

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017845A (en) * 1975-06-16 1977-04-12 Fmc Corporation Circuitry for simultaneous transmission of signals and power

Also Published As

Publication number Publication date
DE3711602A1 (en) 1987-10-08
FR2596903A1 (en) 1987-10-09
GB2188818A (en) 1987-10-07
GB2188818B (en) 1989-11-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee