GB2174273B - System of and apparatus for computer communication along mains wiring - Google Patents

System of and apparatus for computer communication along mains wiring

Info

Publication number
GB2174273B
GB2174273B GB08503746A GB8503746A GB2174273B GB 2174273 B GB2174273 B GB 2174273B GB 08503746 A GB08503746 A GB 08503746A GB 8503746 A GB8503746 A GB 8503746A GB 2174273 B GB2174273 B GB 2174273B
Authority
GB
United Kingdom
Prior art keywords
computer communication
communication along
mains wiring
along mains
wiring
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.)
Expired
Application number
GB08503746A
Other versions
GB2174273A (en
GB8503746D0 (en
Inventor
Raymond Victor Johnson
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.)
VERRAN MICRO MAINTENANCE LIMIT
Original Assignee
VERRAN MICRO MAINTENANCE LIMIT
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 VERRAN MICRO MAINTENANCE LIMIT filed Critical VERRAN MICRO MAINTENANCE LIMIT
Priority to GB08503746A priority Critical patent/GB2174273B/en
Publication of GB8503746D0 publication Critical patent/GB8503746D0/en
Publication of GB2174273A publication Critical patent/GB2174273A/en
Application granted granted Critical
Publication of GB2174273B publication Critical patent/GB2174273B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • 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
    • H04B2203/5408—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
    • H04B2203/5404—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
    • H04B2203/5445—Local network
    • 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
    • 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
    • H04B2203/5491—Systems for power line communications using filtering and bypassing
    • 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
    • H04B2203/5495—Systems for power line communications having measurements and testing channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Communication Control (AREA)
GB08503746A 1985-02-14 1985-02-14 System of and apparatus for computer communication along mains wiring Expired GB2174273B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08503746A GB2174273B (en) 1985-02-14 1985-02-14 System of and apparatus for computer communication along mains wiring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08503746A GB2174273B (en) 1985-02-14 1985-02-14 System of and apparatus for computer communication along mains wiring

Publications (3)

Publication Number Publication Date
GB8503746D0 GB8503746D0 (en) 1985-03-20
GB2174273A GB2174273A (en) 1986-10-29
GB2174273B true GB2174273B (en) 1989-02-01

Family

ID=10574459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08503746A Expired GB2174273B (en) 1985-02-14 1985-02-14 System of and apparatus for computer communication along mains wiring

Country Status (1)

Country Link
GB (1) GB2174273B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763104A (en) * 1986-03-19 1988-08-09 Mitsubishi Denki Kabushiki Kaisha Gateway for use in load control system
FR2695525A1 (en) * 1992-09-10 1994-03-11 Girard Eric Operational equipment for local area computer network - uses carrier current signal on low voltage electricity supply network to link computers or data terminals
ES2076079B1 (en) * 1993-05-31 1997-08-16 Alcatel Standard Electrica COMMUNICATION ADAPTER FOR DATA TRANSMISSION THROUGH MEDIUM AND LOW VOLTAGE ELECTRICAL NETWORKS.
FR2743915B1 (en) * 1996-01-19 1998-04-17 Parienti Raoul SLATE CONNECTING
GB2407013A (en) * 2003-09-30 2005-04-13 Peter John Jones Signalling via mains wiring
GB2450904A (en) * 2007-07-11 2009-01-14 En Twyn Ltd Wall socket faceplate with additional port
EP2645133A1 (en) 2012-03-30 2013-10-02 Leica Geosystems AG Buried service detection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4429299A (en) * 1979-01-05 1984-01-31 Robertshaw Controls Company Two-way AC power line communications system
GB2165724B (en) * 1984-10-13 1988-05-11 Stc Plc Remote meter reading

Also Published As

Publication number Publication date
GB2174273A (en) 1986-10-29
GB8503746D0 (en) 1985-03-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20050213