AR222004A1 - APPARATUS TO DETERMINE THE TRANSITION TIME OF A SYMBOL OF A MODULATED CARRIER SIGNAL WITH DIGITAL SYMBOLS - Google Patents
APPARATUS TO DETERMINE THE TRANSITION TIME OF A SYMBOL OF A MODULATED CARRIER SIGNAL WITH DIGITAL SYMBOLSInfo
- Publication number
- AR222004A1 AR222004A1 AR267532A AR26753277A AR222004A1 AR 222004 A1 AR222004 A1 AR 222004A1 AR 267532 A AR267532 A AR 267532A AR 26753277 A AR26753277 A AR 26753277A AR 222004 A1 AR222004 A1 AR 222004A1
- Authority
- AR
- Argentina
- Prior art keywords
- symbol
- carrier signal
- transition time
- modulated carrier
- digital symbols
- Prior art date
Links
- 230000007704 transition Effects 0.000 title 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68460476A | 1976-05-10 | 1976-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR222004A1 true AR222004A1 (en) | 1981-04-15 |
Family
ID=24748755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR267532A AR222004A1 (en) | 1976-05-10 | 1977-05-09 | APPARATUS TO DETERMINE THE TRANSITION TIME OF A SYMBOL OF A MODULATED CARRIER SIGNAL WITH DIGITAL SYMBOLS |
Country Status (15)
Country | Link |
---|---|
AR (1) | AR222004A1 (en) |
AU (1) | AU513642B2 (en) |
BR (1) | BR7702901A (en) |
CA (1) | CA1119686A (en) |
DE (1) | DE2721023A1 (en) |
EG (1) | EG13329A (en) |
ES (1) | ES458606A1 (en) |
FR (1) | FR2351549A1 (en) |
GB (1) | GB1579488A (en) |
GR (1) | GR63199B (en) |
IE (1) | IE45139B1 (en) |
IT (1) | IT1101653B (en) |
NL (1) | NL7705119A (en) |
NO (1) | NO771514L (en) |
OA (1) | OA05657A (en) |
-
1977
- 1977-04-28 IE IE860/77A patent/IE45139B1/en unknown
- 1977-04-29 NO NO771514A patent/NO771514L/en unknown
- 1977-05-04 AU AU24860/77A patent/AU513642B2/en not_active Expired
- 1977-05-04 FR FR7713487A patent/FR2351549A1/en active Granted
- 1977-05-05 BR BR7702901A patent/BR7702901A/en unknown
- 1977-05-06 IT IT23295/77A patent/IT1101653B/en active
- 1977-05-07 EG EG267/77A patent/EG13329A/en active
- 1977-05-09 GB GB19325/77A patent/GB1579488A/en not_active Expired
- 1977-05-09 ES ES458606A patent/ES458606A1/en not_active Expired
- 1977-05-09 AR AR267532A patent/AR222004A1/en active
- 1977-05-09 CA CA000277997A patent/CA1119686A/en not_active Expired
- 1977-05-10 OA OA56165A patent/OA05657A/en unknown
- 1977-05-10 GR GR53425A patent/GR63199B/en unknown
- 1977-05-10 DE DE19772721023 patent/DE2721023A1/en not_active Withdrawn
- 1977-05-10 NL NL7705119A patent/NL7705119A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GR63199B (en) | 1979-10-04 |
NO771514L (en) | 1977-11-08 |
OA05657A (en) | 1981-04-30 |
IE45139L (en) | 1977-11-10 |
DE2721023A1 (en) | 1977-12-01 |
FR2351549A1 (en) | 1977-12-09 |
FR2351549B1 (en) | 1980-02-15 |
AU2486077A (en) | 1978-11-09 |
IT1101653B (en) | 1985-10-07 |
CA1119686A (en) | 1982-03-09 |
EG13329A (en) | 1981-06-30 |
ES458606A1 (en) | 1978-08-01 |
AU513642B2 (en) | 1980-12-11 |
IE45139B1 (en) | 1982-06-30 |
GB1579488A (en) | 1980-11-19 |
NL7705119A (en) | 1977-11-14 |
BR7702901A (en) | 1978-05-16 |
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