ES458606A1 - Un metodo y un aparato para extraer informaciones de tempo- rizacion de una senal portadora modulada con simbolos digitales. - Google Patents
Un metodo y un aparato para extraer informaciones de tempo- rizacion de una senal portadora modulada con simbolos digitales.Info
- Publication number
- ES458606A1 ES458606A1 ES458606A ES458606A ES458606A1 ES 458606 A1 ES458606 A1 ES 458606A1 ES 458606 A ES458606 A ES 458606A ES 458606 A ES458606 A ES 458606A ES 458606 A1 ES458606 A1 ES 458606A1
- Authority
- ES
- Spain
- Prior art keywords
- timing information
- modulated carrier
- extracting timing
- carrier
- 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
Links
- 238000000034 method Methods 0.000 abstract 1
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)
- Communication Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
Un método para extraer informaciones de temporización de una señal portadora modulada con símbolos digitales, estando relacionada la velocidad de los símbolos con la frecuencia del portador, donde un circuito de bloqueo de fase genera una señal de error e incluye un oscilador sensible a dicha señal de error.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68460476A | 1976-05-10 | 1976-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES458606A1 true ES458606A1 (es) | 1978-08-01 |
Family
ID=24748755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES458606A Expired ES458606A1 (es) | 1976-05-10 | 1977-05-09 | Un metodo y un aparato para extraer informaciones de tempo- rizacion de una senal portadora modulada con simbolos digitales. |
Country Status (15)
Country | Link |
---|---|
AR (1) | AR222004A1 (es) |
AU (1) | AU513642B2 (es) |
BR (1) | BR7702901A (es) |
CA (1) | CA1119686A (es) |
DE (1) | DE2721023A1 (es) |
EG (1) | EG13329A (es) |
ES (1) | ES458606A1 (es) |
FR (1) | FR2351549A1 (es) |
GB (1) | GB1579488A (es) |
GR (1) | GR63199B (es) |
IE (1) | IE45139B1 (es) |
IT (1) | IT1101653B (es) |
NL (1) | NL7705119A (es) |
NO (1) | NO771514L (es) |
OA (1) | OA05657A (es) |
Families Citing this family (1)
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 |
-
1977
- 1977-04-28 IE IE860/77A patent/IE45139B1/en unknown
- 1977-04-29 NO NO771514A patent/NO771514L/no unknown
- 1977-05-04 FR FR7713487A patent/FR2351549A1/fr active Granted
- 1977-05-04 AU AU24860/77A patent/AU513642B2/en not_active Expired
- 1977-05-05 BR BR7702901A patent/BR7702901A/pt unknown
- 1977-05-06 IT IT23295/77A patent/IT1101653B/it active
- 1977-05-07 EG EG267/77A patent/EG13329A/xx active
- 1977-05-09 ES ES458606A patent/ES458606A1/es not_active Expired
- 1977-05-09 CA CA000277997A patent/CA1119686A/en not_active Expired
- 1977-05-09 GB GB19325/77A patent/GB1579488A/en not_active Expired
- 1977-05-09 AR AR267532A patent/AR222004A1/es active
- 1977-05-10 NL NL7705119A patent/NL7705119A/xx not_active Application Discontinuation
- 1977-05-10 DE DE19772721023 patent/DE2721023A1/de not_active Withdrawn
- 1977-05-10 GR GR53425A patent/GR63199B/el unknown
- 1977-05-10 OA OA56165A patent/OA05657A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EG13329A (en) | 1981-06-30 |
AU513642B2 (en) | 1980-12-11 |
IE45139L (en) | 1977-11-10 |
AU2486077A (en) | 1978-11-09 |
CA1119686A (en) | 1982-03-09 |
GB1579488A (en) | 1980-11-19 |
DE2721023A1 (de) | 1977-12-01 |
FR2351549B1 (es) | 1980-02-15 |
AR222004A1 (es) | 1981-04-15 |
IE45139B1 (en) | 1982-06-30 |
NL7705119A (nl) | 1977-11-14 |
GR63199B (en) | 1979-10-04 |
FR2351549A1 (fr) | 1977-12-09 |
IT1101653B (it) | 1985-10-07 |
NO771514L (no) | 1977-11-08 |
OA05657A (fr) | 1981-04-30 |
BR7702901A (pt) | 1978-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19981103 |