GB1579488A - System for extracting timing information from a modulated carrier - Google Patents

System for extracting timing information from a modulated carrier Download PDF

Info

Publication number
GB1579488A
GB1579488A GB19325/77A GB1932577A GB1579488A GB 1579488 A GB1579488 A GB 1579488A GB 19325/77 A GB19325/77 A GB 19325/77A GB 1932577 A GB1932577 A GB 1932577A GB 1579488 A GB1579488 A GB 1579488A
Authority
GB
United Kingdom
Prior art keywords
signal
oscillator
carrier
derived
signals
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
GB19325/77A
Other languages
English (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.)
Schlumberger Technology Corp
Original Assignee
Schlumberger Technology Corp
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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of GB1579488A publication Critical patent/GB1579488A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • E21B47/20—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry by modulation of mud waves, e.g. by continuous modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid Mechanics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Communication Control (AREA)
GB19325/77A 1976-05-10 1977-05-09 System for extracting timing information from a modulated carrier Expired GB1579488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68460476A 1976-05-10 1976-05-10

Publications (1)

Publication Number Publication Date
GB1579488A true GB1579488A (en) 1980-11-19

Family

ID=24748755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19325/77A Expired GB1579488A (en) 1976-05-10 1977-05-09 System for extracting timing information from a modulated carrier

Country Status (15)

Country Link
AR (1) AR222004A1 (enExample)
AU (1) AU513642B2 (enExample)
BR (1) BR7702901A (enExample)
CA (1) CA1119686A (enExample)
DE (1) DE2721023A1 (enExample)
EG (1) EG13329A (enExample)
ES (1) ES458606A1 (enExample)
FR (1) FR2351549A1 (enExample)
GB (1) GB1579488A (enExample)
GR (1) GR63199B (enExample)
IE (1) IE45139B1 (enExample)
IT (1) IT1101653B (enExample)
NL (1) NL7705119A (enExample)
NO (1) NO771514L (enExample)
OA (1) OA05657A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220200750A1 (en) * 2020-12-17 2022-06-23 Intel Corporation Closed-loop baud rate carrier and carrier frequency tuning for wireless chip-to-chip interface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220200750A1 (en) * 2020-12-17 2022-06-23 Intel Corporation Closed-loop baud rate carrier and carrier frequency tuning for wireless chip-to-chip interface
US12212510B2 (en) * 2020-12-17 2025-01-28 Intel Corporation Closed-loop baud rate carrier and carrier frequency tuning for wireless chip-to-chip interface

Also Published As

Publication number Publication date
OA05657A (fr) 1981-04-30
AU513642B2 (en) 1980-12-11
GR63199B (en) 1979-10-04
IT1101653B (it) 1985-10-07
FR2351549A1 (fr) 1977-12-09
CA1119686A (en) 1982-03-09
NO771514L (no) 1977-11-08
IE45139B1 (en) 1982-06-30
FR2351549B1 (enExample) 1980-02-15
AR222004A1 (es) 1981-04-15
ES458606A1 (es) 1978-08-01
BR7702901A (pt) 1978-05-16
IE45139L (en) 1977-11-10
EG13329A (en) 1981-06-30
NL7705119A (nl) 1977-11-14
DE2721023A1 (de) 1977-12-01
AU2486077A (en) 1978-11-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee