HK121096A - Control of optical systems - Google Patents
Control of optical systemsInfo
- Publication number
- HK121096A HK121096A HK121096A HK121096A HK121096A HK 121096 A HK121096 A HK 121096A HK 121096 A HK121096 A HK 121096A HK 121096 A HK121096 A HK 121096A HK 121096 A HK121096 A HK 121096A
- Authority
- HK
- Hong Kong
- Prior art keywords
- value
- outstation
- parameter
- pct
- signal
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000002123 temporal effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/08—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Semiconductor Lasers (AREA)
- Gyroscopes (AREA)
- Control Of Transmission Device (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878710736A GB8710736D0 (en) | 1987-05-06 | 1987-05-06 | Control of optical systems |
GB878727259A GB8727259D0 (en) | 1987-11-20 | 1987-11-20 | Control of optical systems |
Publications (1)
Publication Number | Publication Date |
---|---|
HK121096A true HK121096A (en) | 1996-07-19 |
Family
ID=26292213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK121096A HK121096A (en) | 1987-05-06 | 1996-07-11 | Control of optical systems |
Country Status (10)
Country | Link |
---|---|
US (1) | US5153764A (xx) |
EP (1) | EP0314724B1 (xx) |
JP (1) | JP2778967B2 (xx) |
AT (1) | ATE78643T1 (xx) |
AU (1) | AU610596B2 (xx) |
CA (1) | CA1315340C (xx) |
DE (1) | DE3873021T2 (xx) |
GB (1) | GB2213671B (xx) |
HK (1) | HK121096A (xx) |
WO (1) | WO1988009093A1 (xx) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2219165B (en) * | 1988-05-27 | 1992-10-21 | Stc Plc | Optical transmission systems |
GB2228846B (en) * | 1989-03-01 | 1993-08-18 | Stc Plc | Fibre optic transmission system |
DE3907497A1 (de) * | 1989-03-08 | 1990-09-13 | Standard Elektrik Lorenz Ag | Optisches nachrichtenuebertragungssystem fuer den teilnehmeranschlussbereich |
EP0423942B1 (en) * | 1989-10-17 | 1996-01-10 | Nortel Networks Corporation | Synchronous network |
GB8923351D0 (en) * | 1989-10-17 | 1989-12-06 | Stc Plc | Multifrequency optical network |
AT392555B (de) * | 1989-10-24 | 1991-04-25 | Alcatel Austria Ag | Verfahren zum uebertragen von binaerinformationen in einem optischen uebertragungsnetzwerk sowie optisches uebertragungsnetzwerk |
GB8926548D0 (en) * | 1989-11-24 | 1990-01-17 | British Telecomm | Passive optical network |
US5036189A (en) * | 1990-04-03 | 1991-07-30 | Raynet Corporation | Thermal control for laser diode used in outside plant communications terminal |
LU87840A1 (fr) * | 1990-05-04 | 1991-05-07 | Siemens Ag | Passives optisches telekommunikationssystem |
FR2664112B1 (fr) * | 1990-06-29 | 1993-05-28 | Abiven Jacques | Procede de reglage de niveau d'emission de terminaux dans un reseau de transmission a l'alternat. |
JPH06502971A (ja) * | 1990-11-22 | 1994-03-31 | ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | 試験装置 |
GB9026932D0 (en) * | 1990-12-12 | 1991-01-30 | Plessey Telecomm | Tdma ranging |
AT398661B (de) * | 1992-07-21 | 1995-01-25 | Alcatel Austria Ag | Empfänger für ein optisches übertragungsnetzwerk |
US5815295A (en) * | 1993-03-11 | 1998-09-29 | Lucent Technologies Inc. | Optical communication system with improved maintenance capabilities |
DE69323544T2 (de) * | 1993-04-27 | 1999-06-17 | Alcatel, Paris | Dispersionskorrekturvorrichtung |
US5471461A (en) * | 1993-04-28 | 1995-11-28 | Allen-Bradley Company, Inc. | Digital communication network with a moderator station election process |
US5519830A (en) * | 1993-06-10 | 1996-05-21 | Adc Telecommunications, Inc. | Point-to-multipoint performance monitoring and failure isolation system |
US5408462A (en) * | 1993-10-07 | 1995-04-18 | Adc Telecommunications, Inc. | Protection switching apparatus and method |
US5453737A (en) * | 1993-10-08 | 1995-09-26 | Adc Telecommunications, Inc. | Control and communications apparatus |
GB2290680B (en) * | 1994-06-22 | 1998-11-18 | Northern Telecom Ltd | Telecommunications system |
US5548581A (en) * | 1994-08-17 | 1996-08-20 | Bellsouth Corporation | System and method for making connection acceptance/rejection decisions in a communication system |
US6334219B1 (en) | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
DE4434730C2 (de) * | 1994-09-28 | 1999-12-09 | Siemens Ag | Telekommunikationsnetz |
US7280564B1 (en) | 1995-02-06 | 2007-10-09 | Adc Telecommunications, Inc. | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing |
USRE42236E1 (en) | 1995-02-06 | 2011-03-22 | Adc Telecommunications, Inc. | Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
CA2223321A1 (en) * | 1995-06-05 | 1996-12-12 | Omnipoint Corporation | Timing adjustment control for efficient time division duplex communication |
MX9800030A (es) * | 1995-06-27 | 1998-03-31 | British Telecomm | Sincronizacion en redes de comunicaciones digitales. |
JP3489087B2 (ja) * | 1995-07-06 | 2004-01-19 | 富士通株式会社 | 光バースト伝送における反射認識方法および装置 |
JP3132638B2 (ja) * | 1995-08-08 | 2001-02-05 | 日本電気株式会社 | 光波長多重伝送方式 |
US6834065B2 (en) * | 2002-05-21 | 2004-12-21 | Carrier Access Corporation | Methods and apparatuses for direct digital drive of a laser in a passive optical network |
DE10236046B4 (de) * | 2002-08-06 | 2011-02-03 | Lastmile Ag | Verfahren und Vorrichtung zum Übertragen von Information über eine optische Datenübertragungsleitung |
EP1670279A1 (en) * | 2004-12-13 | 2006-06-14 | Alcatel | Line-rate configuration method |
WO2012154958A1 (en) | 2011-05-10 | 2012-11-15 | Invensys Systems, Inc. | Multi-drop optical communication |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2068850A5 (xx) * | 1969-10-03 | 1971-09-03 | Cit Alcatel | |
US4317232A (en) * | 1979-01-12 | 1982-02-23 | Deere & Company | Fiber optic signal conditioning circuit |
DE3013533A1 (de) * | 1980-04-08 | 1981-10-15 | Siemens Ag | Schaltungsanordnung mit einer laserdiode zur uebertragung von nachrichtensiglnalen ueber einen lichtwellenleiter |
US4512033A (en) * | 1982-11-29 | 1985-04-16 | C-Cor Labs, Inc. | Remote level adjustment system for use in a multi-terminal communications system |
GB2132452B (en) * | 1982-12-08 | 1986-10-08 | Racel Ses Limited | Radio systems |
DE3314869A1 (de) * | 1983-04-25 | 1984-10-25 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und einrichtung zur ueberwachung von optoelektronischen uebertragungsstrecken fuer seriell ausgesendete digitale signale |
CA1203765A (en) * | 1983-05-11 | 1986-04-29 | Alexander M. Sills | Schwanniomyces castellii strains and brewing process |
CA1227844A (en) * | 1983-09-07 | 1987-10-06 | Michael T.H. Hewitt | Communications network having a single node and a plurality of outstations |
EP0162994A1 (de) * | 1984-05-30 | 1985-12-04 | Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH | Kommunikationsnetz und dessen Verwendung |
JPS60253336A (ja) * | 1984-05-30 | 1985-12-14 | Fujitsu Ltd | 光デ−タハイウエイ制御方式 |
JPS6124338A (ja) * | 1984-07-12 | 1986-02-03 | Nec Corp | 多方向多重通信方式 |
FR2568431A1 (fr) * | 1984-07-27 | 1986-01-31 | Inf Milit Spatiale Aeronaut | Dispositif de controle du fonctionnement d'une liaison a fibre optique et recepteur comportant un tel dispositif |
-
1988
- 1988-05-06 DE DE8888903902T patent/DE3873021T2/de not_active Expired - Lifetime
- 1988-05-06 EP EP88903902A patent/EP0314724B1/en not_active Expired - Lifetime
- 1988-05-06 JP JP63503707A patent/JP2778967B2/ja not_active Expired - Lifetime
- 1988-05-06 AU AU17087/88A patent/AU610596B2/en not_active Expired
- 1988-05-06 AT AT88903902T patent/ATE78643T1/de not_active IP Right Cessation
- 1988-05-06 CA CA000566157A patent/CA1315340C/en not_active Expired - Lifetime
- 1988-05-06 US US07/314,761 patent/US5153764A/en not_active Expired - Lifetime
- 1988-05-06 WO PCT/GB1988/000356 patent/WO1988009093A1/en active IP Right Grant
-
1989
- 1989-01-05 GB GB8900204A patent/GB2213671B/en not_active Expired
-
1996
- 1996-07-11 HK HK121096A patent/HK121096A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5153764A (en) | 1992-10-06 |
CA1315340C (en) | 1993-03-30 |
GB2213671A (en) | 1989-08-16 |
GB2213671B (en) | 1991-06-26 |
EP0314724A1 (en) | 1989-05-10 |
AU1708788A (en) | 1988-12-06 |
EP0314724B1 (en) | 1992-07-22 |
JPH01503586A (ja) | 1989-11-30 |
DE3873021D1 (de) | 1992-08-27 |
GB8900204D0 (en) | 1989-05-04 |
ATE78643T1 (de) | 1992-08-15 |
DE3873021T2 (de) | 1992-12-03 |
JP2778967B2 (ja) | 1998-07-23 |
AU610596B2 (en) | 1991-05-23 |
WO1988009093A1 (en) | 1988-11-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |