NL7705119A - METHOD AND DEVICE FOR EXTRACTING TIME INFORMATION FROM A CARRIER WAVE SIGNAL MODULATED WITH DIGITAL SYMBOLS. - Google Patents
METHOD AND DEVICE FOR EXTRACTING TIME INFORMATION FROM A CARRIER WAVE SIGNAL MODULATED WITH DIGITAL SYMBOLS.Info
- Publication number
- NL7705119A NL7705119A NL7705119A NL7705119A NL7705119A NL 7705119 A NL7705119 A NL 7705119A NL 7705119 A NL7705119 A NL 7705119A NL 7705119 A NL7705119 A NL 7705119A NL 7705119 A NL7705119 A NL 7705119A
- Authority
- NL
- Netherlands
- Prior art keywords
- time information
- carrier wave
- wave signal
- signal modulated
- extracting time
- Prior art date
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)
- 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 |
|---|---|
| NL7705119A true NL7705119A (en) | 1977-11-14 |
Family
ID=24748755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7705119A NL7705119A (en) | 1976-05-10 | 1977-05-10 | METHOD AND DEVICE FOR EXTRACTING TIME INFORMATION FROM A CARRIER WAVE SIGNAL MODULATED 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 CA CA000277997A patent/CA1119686A/en not_active Expired
- 1977-05-09 AR AR267532A patent/AR222004A1/en active
- 1977-05-09 ES ES458606A patent/ES458606A1/en not_active Expired
- 1977-05-10 GR GR53425A patent/GR63199B/en unknown
- 1977-05-10 OA OA56165A patent/OA05657A/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 |
|---|---|
| FR2351549A1 (en) | 1977-12-09 |
| AU513642B2 (en) | 1980-12-11 |
| GR63199B (en) | 1979-10-04 |
| ES458606A1 (en) | 1978-08-01 |
| CA1119686A (en) | 1982-03-09 |
| DE2721023A1 (en) | 1977-12-01 |
| BR7702901A (en) | 1978-05-16 |
| AU2486077A (en) | 1978-11-09 |
| AR222004A1 (en) | 1981-04-15 |
| GB1579488A (en) | 1980-11-19 |
| OA05657A (en) | 1981-04-30 |
| FR2351549B1 (en) | 1980-02-15 |
| IE45139L (en) | 1977-11-10 |
| IT1101653B (en) | 1985-10-07 |
| IE45139B1 (en) | 1982-06-30 |
| EG13329A (en) | 1981-06-30 |
| NO771514L (en) | 1977-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |