GB2094598B - Transmission systems for transmitting signals over power distribution networks and transmitters for use therein - Google Patents

Transmission systems for transmitting signals over power distribution networks and transmitters for use therein

Info

Publication number
GB2094598B
GB2094598B GB8204838A GB8204838A GB2094598B GB 2094598 B GB2094598 B GB 2094598B GB 8204838 A GB8204838 A GB 8204838A GB 8204838 A GB8204838 A GB 8204838A GB 2094598 B GB2094598 B GB 2094598B
Authority
GB
United Kingdom
Prior art keywords
transmitters
power distribution
transmitting signals
transmission systems
signals over
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
GB8204838A
Other versions
GB2094598A (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.)
Sangamo Weston Ltd
Atos Origin IT Services Inc
Original Assignee
Sangamo Weston Ltd
Sangamo Weston Inc
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 Sangamo Weston Ltd, Sangamo Weston Inc filed Critical Sangamo Weston Ltd
Priority to GB8204838A priority Critical patent/GB2094598B/en
Publication of GB2094598A publication Critical patent/GB2094598A/en
Application granted granted Critical
Publication of GB2094598B publication Critical patent/GB2094598B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • 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
    • 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
    • H04L27/103—Chirp modulation
    • 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
    • H04B2203/5433—Remote metering
    • 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
    • H04B2203/5441—Wireless systems or telephone
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB8204838A 1981-02-26 1982-02-18 Transmission systems for transmitting signals over power distribution networks and transmitters for use therein Expired GB2094598B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8204838A GB2094598B (en) 1981-02-26 1982-02-18 Transmission systems for transmitting signals over power distribution networks and transmitters for use therein

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8106106 1981-02-26
GB8204838A GB2094598B (en) 1981-02-26 1982-02-18 Transmission systems for transmitting signals over power distribution networks and transmitters for use therein

Publications (2)

Publication Number Publication Date
GB2094598A GB2094598A (en) 1982-09-15
GB2094598B true GB2094598B (en) 1985-03-27

Family

ID=26278565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8204838A Expired GB2094598B (en) 1981-02-26 1982-02-18 Transmission systems for transmitting signals over power distribution networks and transmitters for use therein

Country Status (1)

Country Link
GB (1) GB2094598B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5970127A (en) 1997-10-16 1999-10-19 Phonex Corporation Caller identification system for wireless phone jacks and wireless modem jacks
US6055435A (en) 1997-10-16 2000-04-25 Phonex Corporation Wireless telephone connection surge suppressor
US6107912A (en) 1997-12-08 2000-08-22 Phonex Corporation Wireless modem jack

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165724B (en) * 1984-10-13 1988-05-11 Stc Plc Remote meter reading
DE3515127A1 (en) * 1985-04-26 1986-10-30 Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg NETWORKED MULTIPLE ACCESS DEVICE
DE3515663A1 (en) * 1985-05-02 1986-11-06 Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg METHOD FOR TRANSMITTING INFORMATION ABOUT ELECTRICAL ENERGY SUPPLY NETWORKS
CH671658A5 (en) * 1986-01-15 1989-09-15 Bbc Brown Boveri & Cie
DE3606354A1 (en) * 1986-02-27 1987-09-03 Bbc Brown Boveri & Cie METHOD FOR TRANSMITTING DATA OVER THE CABLES OF A POWER SUPPLY NETWORK
JPS63114333A (en) * 1986-10-31 1988-05-19 Nec Home Electronics Ltd Radio bus system
US5090024A (en) * 1989-08-23 1992-02-18 Intellon Corporation Spread spectrum communications system for networks
US5319634A (en) * 1991-10-07 1994-06-07 Phoenix Corporation Multiple access telephone extension systems and methods
CA2223666C (en) * 1997-12-04 2002-02-05 Andrew Cullen Power distribution grid communication system
US6157292A (en) * 1997-12-04 2000-12-05 Digital Security Controls Ltd. Power distribution grid communication system
ES2200712B1 (en) * 2002-08-28 2005-05-01 Union Fenosa Distribucion, S.A. MODEM FOR SENDING CONTROL MESSAGES THROUGH A HIGH VOLTAGE ELECTRICAL POWER DISTRIBUTION NETWORK.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5970127A (en) 1997-10-16 1999-10-19 Phonex Corporation Caller identification system for wireless phone jacks and wireless modem jacks
US6055435A (en) 1997-10-16 2000-04-25 Phonex Corporation Wireless telephone connection surge suppressor
US6107912A (en) 1997-12-08 2000-08-22 Phonex Corporation Wireless modem jack

Also Published As

Publication number Publication date
GB2094598A (en) 1982-09-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950218