HK1027688A1 - Signal transmission system - Google Patents
Signal transmission systemInfo
- Publication number
- HK1027688A1 HK1027688A1 HK00106675A HK00106675A HK1027688A1 HK 1027688 A1 HK1027688 A1 HK 1027688A1 HK 00106675 A HK00106675 A HK 00106675A HK 00106675 A HK00106675 A HK 00106675A HK 1027688 A1 HK1027688 A1 HK 1027688A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- signal transmission
- transmission system
- signal
- transmission
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9905718A GB2347807B (en) | 1999-03-12 | 1999-03-12 | Signal transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1027688A1 true HK1027688A1 (en) | 2001-01-19 |
Family
ID=10849513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK00106675A HK1027688A1 (en) | 1999-03-12 | 2000-10-20 | Signal transmission system |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1035668A3 (xx) |
JP (1) | JP2000278213A (xx) |
CN (1) | CN1267149A (xx) |
AU (1) | AU2073300A (xx) |
GB (1) | GB2347807B (xx) |
HK (1) | HK1027688A1 (xx) |
NO (1) | NO20001255L (xx) |
RU (1) | RU2000106112A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7509047B2 (en) | 2004-03-12 | 2009-03-24 | Futurewei Technologies, Inc. | System and method for subcarrier modulation in ISM band as supervisory channel |
US7274872B2 (en) * | 2004-03-12 | 2007-09-25 | Futurewei Technologies, Inc. | System and method for subcarrier modulation as supervisory channel |
DE602005012077D1 (de) * | 2004-05-03 | 2009-02-12 | Huawei Tech Co Ltd | System und verfahren zur subträgermodulation im ism-band als beaufsichtigungskanal |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4278850A (en) * | 1978-04-11 | 1981-07-14 | Kokusai Denshin Denwa Co., Ltd. | Monitoring system for optical transmission line repeaters |
JPH04362836A (ja) * | 1991-06-11 | 1992-12-15 | Hamamatsu Photonics Kk | ディジタル通信伝送監視方式 |
US5825515A (en) * | 1991-09-03 | 1998-10-20 | Lucent Technologies Inc. | Supervisory apparatus for optical transmission system |
US5436750A (en) * | 1993-05-07 | 1995-07-25 | Nec Corporation | Optical repeatered transmission with fault locating capability |
GB2314224A (en) * | 1996-06-11 | 1997-12-17 | Stc Submarine Systems Ltd | Fibre optic transmission |
-
1999
- 1999-03-12 GB GB9905718A patent/GB2347807B/en not_active Expired - Fee Related
-
2000
- 2000-02-04 EP EP00300897A patent/EP1035668A3/en not_active Withdrawn
- 2000-03-03 JP JP2000058086A patent/JP2000278213A/ja active Pending
- 2000-03-08 AU AU20733/00A patent/AU2073300A/en not_active Abandoned
- 2000-03-10 RU RU2000106112/09A patent/RU2000106112A/ru not_active Application Discontinuation
- 2000-03-10 NO NO20001255A patent/NO20001255L/no unknown
- 2000-03-10 CN CN00104116A patent/CN1267149A/zh active Pending
- 2000-10-20 HK HK00106675A patent/HK1027688A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1035668A2 (en) | 2000-09-13 |
AU2073300A (en) | 2000-09-14 |
JP2000278213A (ja) | 2000-10-06 |
NO20001255L (no) | 2000-09-13 |
EP1035668A3 (en) | 2004-01-14 |
GB2347807B (en) | 2001-02-28 |
CN1267149A (zh) | 2000-09-20 |
NO20001255D0 (no) | 2000-03-10 |
GB2347807A (en) | 2000-09-13 |
GB9905718D0 (en) | 1999-05-05 |
RU2000106112A (ru) | 2002-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20050312 |