GB2442892B - Signalling method - Google Patents

Signalling method

Info

Publication number
GB2442892B
GB2442892B GB0800520A GB0800520A GB2442892B GB 2442892 B GB2442892 B GB 2442892B GB 0800520 A GB0800520 A GB 0800520A GB 0800520 A GB0800520 A GB 0800520A GB 2442892 B GB2442892 B GB 2442892B
Authority
GB
United Kingdom
Prior art keywords
signalling method
signalling
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.)
Active
Application number
GB0800520A
Other versions
GB2442892A (en
GB0800520D0 (en
Inventor
Eric John Atherton
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Priority to GB0800520A priority Critical patent/GB2442892B/en
Priority claimed from GB0414352A external-priority patent/GB2415555B/en
Publication of GB0800520D0 publication Critical patent/GB0800520D0/en
Publication of GB2442892A publication Critical patent/GB2442892A/en
Application granted granted Critical
Publication of GB2442892B publication Critical patent/GB2442892B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/544—Setting up communications; Call and signalling arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position 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
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5466—Systems for power line communications using three phases conductors
    • 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
    • H04B2203/5475—Systems for power line communications adapted for drill or well combined with data transmission
GB0800520A 2004-06-26 2004-06-26 Signalling method Active GB2442892B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0800520A GB2442892B (en) 2004-06-26 2004-06-26 Signalling method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0800520A GB2442892B (en) 2004-06-26 2004-06-26 Signalling method
GB0414352A GB2415555B (en) 2004-06-26 2004-06-26 Signalling method

Publications (3)

Publication Number Publication Date
GB0800520D0 GB0800520D0 (en) 2008-02-20
GB2442892A GB2442892A (en) 2008-04-16
GB2442892B true GB2442892B (en) 2008-05-28

Family

ID=39144811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0800520A Active GB2442892B (en) 2004-06-26 2004-06-26 Signalling method

Country Status (1)

Country Link
GB (1) GB2442892B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2951441B1 (en) * 2013-02-02 2017-07-12 Services Pétroliers Schlumberger Telemetry equipment for multiphase electric motor systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340946A (en) * 1998-08-27 2000-03-01 Lucas Ind Plc Sensors and signal encoding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340946A (en) * 1998-08-27 2000-03-01 Lucas Ind Plc Sensors and signal encoding

Also Published As

Publication number Publication date
GB2442892A (en) 2008-04-16
GB0800520D0 (en) 2008-02-20

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