GB2154834B - A two wire dc power/signal transmission system - Google Patents

A two wire dc power/signal transmission system

Info

Publication number
GB2154834B
GB2154834B GB08404772A GB8404772A GB2154834B GB 2154834 B GB2154834 B GB 2154834B GB 08404772 A GB08404772 A GB 08404772A GB 8404772 A GB8404772 A GB 8404772A GB 2154834 B GB2154834 B GB 2154834B
Authority
GB
United Kingdom
Prior art keywords
wire
power
signal transmission
transmission system
signal
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
GB08404772A
Other versions
GB2154834A (en
Inventor
Roy Martin Duncombe
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 GB08404772A priority Critical patent/GB2154834B/en
Publication of GB2154834A publication Critical patent/GB2154834A/en
Application granted granted Critical
Publication of GB2154834B publication Critical patent/GB2154834B/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
    • H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
    • 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
    • H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
    • 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
    • H04B2203/5437—Wired 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
    • H04B2203/5441—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
    • 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
    • H04B2203/547—Systems for power line communications via DC power distribution
    • 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
GB08404772A 1984-02-23 1984-02-23 A two wire dc power/signal transmission system Expired GB2154834B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08404772A GB2154834B (en) 1984-02-23 1984-02-23 A two wire dc power/signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08404772A GB2154834B (en) 1984-02-23 1984-02-23 A two wire dc power/signal transmission system

Publications (2)

Publication Number Publication Date
GB2154834A GB2154834A (en) 1985-09-11
GB2154834B true GB2154834B (en) 1987-07-08

Family

ID=10557081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08404772A Expired GB2154834B (en) 1984-02-23 1984-02-23 A two wire dc power/signal transmission system

Country Status (1)

Country Link
GB (1) GB2154834B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596596B1 (en) * 1986-03-26 1988-12-02 Bendix Electronics Sa METHOD AND DEVICE FOR TRANSMITTING INFORMATION BETWEEN TWO ELECTRONIC CIRCUITS
US4746849A (en) * 1986-12-16 1988-05-24 North American Philips Corporation Two lead bidirectional stepping motor control
FR2639715B1 (en) * 1988-11-30 1991-01-25 Europ Rech Electr Lab INTERFACE WITH A POWER SUPPLY AND COMPUTER COMPRISING SUCH AN INTERFACE
US5179710A (en) * 1988-11-30 1993-01-12 Laboratoire Europeen De Recherches Electroniques Avancees Interface for amplifying logic signal from a signal line having a predetermined logic state to supply power to peripheral device
DK173291D0 (en) * 1991-10-14 1991-10-14 Ole Cramer Nielsen FIELDBUS DATA COMMUNICATION SYSTEM WITH A TWO CONNECTOR CABLE FOR BOTH POWER SUPPLY OF CONNECTED DEVICES AND DATA TRANSFER BETWEEN THESE
FI96073C (en) * 1994-03-31 1996-04-25 Ahlstroem Oy Electronic filter
FR2854002B1 (en) * 2003-04-17 2007-01-19 Seb Sa ELECTRODOMESTIC APPARATUS HAVING TWO SEPARATE ELEMENTS CONNECTED BY AN ELECTRICAL CONNECTION
EP2051396B1 (en) 2007-10-16 2016-01-13 Orange On-line transmission by carrier currents
FR2943826B1 (en) * 2009-03-31 2013-08-23 Alstom Transport Sa TELE-POWERED COUPLING SYSTEM WITH A WIRED COMMUNICATION LINK, AND APPARATUS FOR CONTROLLING AT LEAST ONE ELECTRONIC SWITCH COMPRISING SUCH A COUPLING SYSTEM
US20140203628A1 (en) * 2011-10-24 2014-07-24 Valery Vasilievich Ovchinnikov Power supply of two-wire cummunication line

Also Published As

Publication number Publication date
GB2154834A (en) 1985-09-11

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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: 19930223