GB2293950B - Communications system - Google Patents

Communications system

Info

Publication number
GB2293950B
GB2293950B GB9419927A GB9419927A GB2293950B GB 2293950 B GB2293950 B GB 2293950B GB 9419927 A GB9419927 A GB 9419927A GB 9419927 A GB9419927 A GB 9419927A GB 2293950 B GB2293950 B GB 2293950B
Authority
GB
United Kingdom
Prior art keywords
communications system
communications
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 - Fee Related
Application number
GB9419927A
Other versions
GB2293950A (en
GB9419927D0 (en
Inventor
Robin Paul Rickard
Garry Raymond Adams
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to GB9419927A priority Critical patent/GB2293950B/en
Publication of GB9419927D0 publication Critical patent/GB9419927D0/en
Publication of GB2293950A publication Critical patent/GB2293950A/en
Application granted granted Critical
Publication of GB2293950B publication Critical patent/GB2293950B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B3/58—Repeater 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)
GB9419927A 1994-10-04 1994-10-04 Communications system Expired - Fee Related GB2293950B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9419927A GB2293950B (en) 1994-10-04 1994-10-04 Communications system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9419927A GB2293950B (en) 1994-10-04 1994-10-04 Communications system

Publications (3)

Publication Number Publication Date
GB9419927D0 GB9419927D0 (en) 1994-11-16
GB2293950A GB2293950A (en) 1996-04-10
GB2293950B true GB2293950B (en) 1999-04-07

Family

ID=10762275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9419927A Expired - Fee Related GB2293950B (en) 1994-10-04 1994-10-04 Communications system

Country Status (1)

Country Link
GB (1) GB2293950B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19714386C1 (en) * 1997-03-27 1998-10-08 Berliner Kraft & Licht Method and arrangement for data transmission in low-voltage networks
DE19846151C2 (en) * 1998-10-01 2003-12-24 Bewag Ag Method for carrying out the method for data transmission over low-voltage networks
US7176786B2 (en) 2000-01-20 2007-02-13 Current Technologies, Llc Method of isolating data in a power line communications network
US6998962B2 (en) 2000-04-14 2006-02-14 Current Technologies, Llc Power line communication apparatus and method of using the same
EP1371219A4 (en) 2001-02-14 2006-06-21 Current Tech Llc Data communication over a power line
US7173938B1 (en) 2001-05-18 2007-02-06 Current Grid, Llc Method and apparatus for processing outbound data within a powerline based communication system
US7173935B2 (en) 2002-06-07 2007-02-06 Current Grid, Llc Last leg utility grid high-speed data communication network having virtual local area network functionality
US7194528B1 (en) 2001-05-18 2007-03-20 Current Grid, Llc Method and apparatus for processing inbound data within a powerline based communication system
US6980091B2 (en) 2002-12-10 2005-12-27 Current Technologies, Llc Power line communication system and method of operating the same
US7075414B2 (en) 2003-05-13 2006-07-11 Current Technologies, Llc Device and method for communicating data signals through multiple power line conductors
US7321291B2 (en) 2004-10-26 2008-01-22 Current Technologies, Llc Power line communications system and method of operating the same
MX2007005148A (en) * 2004-10-28 2007-07-04 Corridor Systems Inc Distributed antenna system using overhead power lines.
US7856032B2 (en) 2005-04-04 2010-12-21 Current Technologies, Llc Multi-function modem device
US7358808B2 (en) 2005-06-21 2008-04-15 Current Technologies, Llc Method and device for amplification of data signals over power lines
US7675897B2 (en) 2005-09-06 2010-03-09 Current Technologies, Llc Power line communications system with differentiated data services
US7852207B2 (en) 2006-02-14 2010-12-14 Current Technologies, Llc Method for establishing power line communication link
US7796025B2 (en) 2006-03-27 2010-09-14 Current Technologies, Llc Power line communication device and method
US7761079B2 (en) 2006-06-09 2010-07-20 Current Technologies, Llc Power line communication device and method
US8279058B2 (en) 2008-11-06 2012-10-02 Current Technologies International Gmbh System, device and method for communicating over power lines

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911415A (en) * 1973-12-18 1975-10-07 Westinghouse Electric Corp Distribution network power line carrier communication system
US3944723A (en) * 1974-12-05 1976-03-16 General Electric Company Station for power line access data system
US4008467A (en) * 1975-09-16 1977-02-15 Westinghouse Electric Corporation Power line carrier communication system having efficient carrier signal coupling of distribution secondary lines
GB1535834A (en) * 1975-01-31 1978-12-13 Westinghouse Electric Corp Distribution network power line communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911415A (en) * 1973-12-18 1975-10-07 Westinghouse Electric Corp Distribution network power line carrier communication system
US3944723A (en) * 1974-12-05 1976-03-16 General Electric Company Station for power line access data system
GB1535834A (en) * 1975-01-31 1978-12-13 Westinghouse Electric Corp Distribution network power line communication system
US4008467A (en) * 1975-09-16 1977-02-15 Westinghouse Electric Corporation Power line carrier communication system having efficient carrier signal coupling of distribution secondary lines

Also Published As

Publication number Publication date
GB2293950A (en) 1996-04-10
GB9419927D0 (en) 1994-11-16

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Legal Events

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

Effective date: 20011004