HU906269D0 - Duplex telecommunication system - Google Patents
Duplex telecommunication systemInfo
- Publication number
- HU906269D0 HU906269D0 HU906269A HU626990A HU906269D0 HU 906269 D0 HU906269 D0 HU 906269D0 HU 906269 A HU906269 A HU 906269A HU 626990 A HU626990 A HU 626990A HU 906269 D0 HU906269 D0 HU 906269D0
- Authority
- HU
- Hungary
- Prior art keywords
- telecommunication system
- duplex telecommunication
- duplex
- telecommunication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0003—Details
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89117968A EP0419710A1 (de) | 1989-09-28 | 1989-09-28 | Bidirektionales LWL-Telekommunikationssystem für Wellenlängengetrenntlagebetrieb (Bidirektionales WDM) zwischen einer zentralen Telekommunikationsstelle und einer Mehrzahl von dezentralen Telekommunikationsstellen |
Publications (3)
Publication Number | Publication Date |
---|---|
HU906269D0 true HU906269D0 (en) | 1991-03-28 |
HUT59271A HUT59271A (en) | 1992-04-28 |
HU208775B HU208775B (en) | 1993-12-28 |
Family
ID=8201941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU906269A HU208775B (en) | 1989-09-28 | 1990-09-28 | Two-direction telecommunication system withn optical wave guide |
Country Status (7)
Country | Link |
---|---|
US (1) | US5119223A (hu) |
EP (1) | EP0419710A1 (hu) |
JP (1) | JPH03120998A (hu) |
CA (1) | CA2026232A1 (hu) |
HU (1) | HU208775B (hu) |
LU (1) | LU87688A1 (hu) |
RU (1) | RU2048703C1 (hu) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU87904A1 (de) * | 1990-08-27 | 1992-01-15 | Siemens Ag | Passives optisches telekommunikationssystem |
EP0523780A3 (en) * | 1991-07-15 | 1993-03-03 | N.V. Philips' Gloeilampenfabrieken | Coherent optical telecommunication network |
JP2986613B2 (ja) * | 1992-05-27 | 1999-12-06 | 株式会社日立製作所 | 光伝送モジュール |
US5311344A (en) * | 1992-09-02 | 1994-05-10 | At&T Bell Laboratories | Bidirectional lightwave transmission system |
ATE160660T1 (de) * | 1993-03-19 | 1997-12-15 | Siemens Ag | Sende-/empfangsschaltung in einem passiven optischen telekommunikationssystem |
FR2710216B1 (fr) * | 1993-09-15 | 1995-10-13 | Abiven Jacques | Trames multidébits pour réseau de télécommunications étoilé arborescent. |
US5680234A (en) * | 1994-10-20 | 1997-10-21 | Lucent Technologies Inc. | Passive optical network with bi-directional optical spectral slicing and loop-back |
US5521734A (en) * | 1994-12-30 | 1996-05-28 | At&T Corp. | One-dimensional optical data arrays implemented within optical networks |
US5694232A (en) * | 1995-12-06 | 1997-12-02 | Ericsson Raynet | Full duplex optical modem for broadband access network |
US5710648A (en) * | 1995-12-29 | 1998-01-20 | Lucent Technologies Inc. | Optical communication system and remote sensor interrogation |
US6631018B1 (en) | 1997-08-27 | 2003-10-07 | Nortel Networks Limited | WDM optical network with passive pass-through at each node |
JP3769109B2 (ja) * | 1997-09-10 | 2006-04-19 | 富士通株式会社 | 光送信装置および光受信装置並びに光通信方法 |
KR100251692B1 (ko) | 1997-09-12 | 2000-04-15 | 윤종용 | 광섬유 가입자 망 |
US6535308B1 (en) * | 1999-02-12 | 2003-03-18 | Marconi Communications, Inc. | Method and apparatus for converting electrical signals and optical signals for bidirectional communication over a single optical fiber |
US6587238B1 (en) * | 2000-04-24 | 2003-07-01 | Sprint Communications Company L.P. | Transmitting an optical signal with corresponding WDM and TDM channels |
RU2197783C2 (ru) * | 2001-03-15 | 2003-01-27 | Аджалов Владимир Исфандеярович | Способ организации доступа к сетям передачи пакетов данных |
EP1271825A1 (en) * | 2001-06-25 | 2003-01-02 | Lucent Technologies Inc. | Method and system for multiplexed optical information transport |
US8180223B2 (en) * | 2006-02-03 | 2012-05-15 | Fujitsu Limited | System and method for extending reach in a passive optical network |
US20070280690A1 (en) * | 2006-06-02 | 2007-12-06 | Fujitsu Limited | System and Method for Managing Power in an Optical Network |
US20080138063A1 (en) * | 2006-12-11 | 2008-06-12 | Youichi Akasaka | System and Method for Protecting an Optical Network |
US7970281B2 (en) * | 2007-01-26 | 2011-06-28 | Fujitsu Limited | System and method for managing different transmission architectures in a passive optical network |
US20090304387A1 (en) * | 2008-06-04 | 2009-12-10 | Gooch & Housego Plc | Optical data network for bilateral communication between a plurality of communication nodes |
US20130064545A1 (en) * | 2011-09-12 | 2013-03-14 | Chen-Kuo Sun | Point-to-Multipoint Simultaneous Optical Transmission System |
US9071357B1 (en) | 2014-07-11 | 2015-06-30 | Emcore Corporation | Data communications system including an optical fiber data link disposed between serial bidirectional electrical data busses |
RU205443U1 (ru) * | 2020-11-03 | 2021-07-14 | федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский университет ИТМО" (Университет ИТМО) | Устройство фотонной квантовой связи |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2922418C2 (de) * | 1979-06-01 | 1981-12-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Dienstintegriertes Nachrichtenübertragungs- und Vermittlungssystem für Ton, Bild und Daten |
ATE60478T1 (de) * | 1984-08-10 | 1991-02-15 | Siemens Ag | Diensteintegrierendes telekommunikationssystem fuer schmalband-dienste. |
JPS6189735A (ja) * | 1984-10-08 | 1986-05-07 | Nippon Telegr & Teleph Corp <Ntt> | 光通信方式の時分割方向制御伝送方式 |
DE3507064A1 (de) * | 1985-02-28 | 1986-08-28 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Optisches nachrichtenuebertragungssystem im teilnehmeranschlussbereich |
DE3528252A1 (de) * | 1985-08-07 | 1987-02-12 | Standard Elektrik Lorenz Ag | Faseroptische verteileranlage fuer breitbandige signale |
US4775971A (en) * | 1986-03-27 | 1988-10-04 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical communication system |
AU596451B2 (en) * | 1986-10-31 | 1990-05-03 | Alcatel N.V. | Optical communication system |
US4901306A (en) * | 1987-02-24 | 1990-02-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Wavelength-division multiplexed optical fiber network |
DE3825126A1 (de) * | 1987-10-24 | 1989-05-03 | Kabelmetal Electro Gmbh | Verfahren zur bidirektionalen uebertragung optischer signale ueber einen lichtwellenleiter |
DE3822803A1 (de) * | 1987-10-24 | 1989-05-03 | Kabelmetal Electro Gmbh | Verfahren zur bidirektionalen uebertragung optischer signale ueber lichtwellenleiter |
EP0330190A3 (de) * | 1988-02-26 | 1991-07-24 | Alcatel SEL Aktiengesellschaft | Optische Übertragungseinrichtung zum Senden und Empfangen von optischen Signalen bei der Nachrichtenübertragung über einen Lichtwellenleiter |
JPH0265538A (ja) * | 1988-07-06 | 1990-03-06 | American Teleph & Telegr Co <Att> | 光通信網 |
-
1989
- 1989-09-28 EP EP89117968A patent/EP0419710A1/de not_active Ceased
-
1990
- 1990-02-23 LU LU87688A patent/LU87688A1/de unknown
- 1990-09-21 JP JP2253989A patent/JPH03120998A/ja active Pending
- 1990-09-26 CA CA002026232A patent/CA2026232A1/en not_active Abandoned
- 1990-09-27 RU SU904831139A patent/RU2048703C1/ru active
- 1990-09-28 HU HU906269A patent/HU208775B/hu not_active IP Right Cessation
- 1990-09-28 US US07/589,204 patent/US5119223A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
RU2048703C1 (ru) | 1995-11-20 |
HUT59271A (en) | 1992-04-28 |
HU208775B (en) | 1993-12-28 |
JPH03120998A (ja) | 1991-05-23 |
US5119223A (en) | 1992-06-02 |
CA2026232A1 (en) | 1991-03-29 |
LU87688A1 (de) | 1990-07-24 |
EP0419710A1 (de) | 1991-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HMM4 | Cancellation of final prot. due to non-payment of fee |