KR880701500A - 광 통신 시스템 및 이 시스템의 중앙지국과 원격지국 - Google Patents
광 통신 시스템 및 이 시스템의 중앙지국과 원격지국Info
- Publication number
- KR880701500A KR880701500A KR1019870701097A KR870701097A KR880701500A KR 880701500 A KR880701500 A KR 880701500A KR 1019870701097 A KR1019870701097 A KR 1019870701097A KR 870701097 A KR870701097 A KR 870701097A KR 880701500 A KR880701500 A KR 880701500A
- Authority
- KR
- South Korea
- Prior art keywords
- central
- communication system
- optical communication
- remote stations
- stations
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- 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
-
- 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
- H04B10/2587—Arrangements specific to fibre transmission using a single light source for multiple stations
-
- 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
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US844667 | 1986-03-27 | ||
US06/844,667 US4775971A (en) | 1986-03-27 | 1986-03-27 | Optical communication system |
PCT/US1987/000483 WO1987006084A1 (en) | 1986-03-27 | 1987-03-04 | Optical communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880701500A true KR880701500A (ko) | 1988-07-27 |
KR910003238B1 KR910003238B1 (ko) | 1991-05-24 |
Family
ID=25293346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870701097A KR910003238B1 (ko) | 1986-03-27 | 1987-03-04 | 광 통신 시스템 및 이 시스템의 중앙지국과 원격지국 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4775971A (ko) |
EP (1) | EP0261201A1 (ko) |
JP (1) | JPS63502946A (ko) |
KR (1) | KR910003238B1 (ko) |
CA (1) | CA1257652A (ko) |
WO (1) | WO1987006084A1 (ko) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2190789B (en) * | 1986-04-17 | 1990-05-09 | Plessey Co Plc | System for optically coupling components of integrated circuits |
US5175639A (en) * | 1986-11-21 | 1992-12-29 | Hitachi, Ltd. | Optical subscriber network transmission system |
CA1314935C (en) * | 1987-01-05 | 1993-03-23 | British Telecommunications Public Limited Company | Optical communications network |
US4868897A (en) * | 1987-01-19 | 1989-09-19 | Siemens Aktiengesellschaft | Network formed as an optical homodyne or heterodyne receiver circuit |
LU87164A1 (de) * | 1987-12-15 | 1988-08-23 | Siemens Ag | Reflektionssender fuer ein bidirektionales lwl-kommunikationssystem |
ES2090053T3 (es) * | 1989-03-31 | 1996-10-16 | Sel Alcatel Ag | Sistema optico de transmision de comunicaciones para transmision diplex o duplex. |
US5287212A (en) * | 1989-09-07 | 1994-02-15 | Cox Charles H | Optical link |
EP0419710A1 (de) * | 1989-09-28 | 1991-04-03 | Siemens Aktiengesellschaft | Bidirektionales LWL-Telekommunikationssystem für Wellenlängengetrenntlagebetrieb (Bidirektionales WDM) zwischen einer zentralen Telekommunikationsstelle und einer Mehrzahl von dezentralen Telekommunikationsstellen |
US5220448A (en) * | 1990-04-09 | 1993-06-15 | Ascom Tech Ag | Bit and frame synchronization unit for an access node of optical transmission equipment |
GB2245116A (en) * | 1990-06-13 | 1991-12-18 | Gen Electric Co Plc | Telecommunications reflective optical links |
US5245404A (en) * | 1990-10-18 | 1993-09-14 | Physical Optics Corportion | Raman sensor |
US5572347A (en) * | 1991-07-30 | 1996-11-05 | Alcatel Network Systems, Inc. | Switched video architecture for an optical fiber-to-the-curb telecommunications system |
FR2682239B1 (fr) * | 1991-10-04 | 1994-11-04 | Cit Alcatel | Systeme de transmission bidirectionnelle, notamment par fibre optique, avec une porteuse unique pour les deux sens de transmission. |
FR2685150A1 (fr) * | 1991-12-17 | 1993-06-18 | Alcatel Nv | Procede et systeme de transmission optique notamment entre des terminaux d'abonnes et une tete de reseau telephonique. |
DE4240627A1 (de) * | 1992-12-03 | 1994-06-09 | Bosch Gmbh Robert | Integriert-optische Schaltung und Kopfstation für eine integriert-optische Schaltung |
US5600473A (en) * | 1993-06-04 | 1997-02-04 | Ciena Corporation | Optical amplifier systems with add/drop multiplexing |
US5579143A (en) * | 1993-06-04 | 1996-11-26 | Ciena Corporation | Optical system with tunable in-fiber gratings |
US5539564A (en) * | 1993-09-22 | 1996-07-23 | Nippon Telegraph And Telephone Corporation | Point-to-multipoint optical transmission system |
DE69501686T2 (de) * | 1994-06-14 | 1998-06-25 | Nippon Telegraph & Telephone | Bidirektionales, optisches Übertragungssystem |
US5710653A (en) * | 1995-03-06 | 1998-01-20 | Fiber Optic Network Solutions Corp. | Linear multi-output optical transmitter system |
US5875048A (en) * | 1995-03-06 | 1999-02-23 | Cfx Communication Systems,Llc | Linear multi-output optical transmitter system |
US5808764A (en) * | 1995-12-28 | 1998-09-15 | Lucent Technologies, Inc. | Multiple star, passive optical network based on remote interrogation of terminal equipment |
US6201820B1 (en) | 1997-03-05 | 2001-03-13 | Silkroad, Inc. | Optically modulated laser beam transceiver |
US6252689B1 (en) * | 1998-04-10 | 2001-06-26 | Aircuity, Inc. | Networked photonic signal distribution system |
DE69926178T2 (de) * | 1998-05-29 | 2006-01-12 | Broadband Royalty Corp., Wilmington | Optischer Sender mit mehreren optischen Quellen |
US6108331A (en) * | 1998-07-10 | 2000-08-22 | Upstate Systems Tec, Inc. | Single medium wiring scheme for multiple signal distribution in building and access port therefor |
US6721503B1 (en) * | 1998-08-26 | 2004-04-13 | Georgia Tech Research Corporation | System and method for bi-directional optical communication using stacked emitters and detectors |
US6603584B1 (en) * | 1998-08-26 | 2003-08-05 | Georgia Tech Research Corporation | System and method for bi-directional optical communication |
US6141132A (en) * | 1999-02-02 | 2000-10-31 | Silkroad, Inc. | Method of modulating a coherent light source with an electronic digital data stream |
GB0013366D0 (en) * | 2000-06-01 | 2000-07-26 | Vipswitch Inc | Optical communicator |
US7145704B1 (en) | 2003-11-25 | 2006-12-05 | Cheetah Omni, Llc | Optical logic gate based optical router |
NL1018499C2 (nl) * | 2001-07-09 | 2003-01-16 | Bt Ignite Nederland B V | Glasvezel communicatienetwerk voor huisaansluitingen. |
US7489836B2 (en) * | 2003-03-17 | 2009-02-10 | Intel Corporation | Optical interconnect system for high speed microprocessor input/output (IO) |
JP4765000B2 (ja) * | 2003-11-20 | 2011-09-07 | 富士電機株式会社 | 絶縁ゲート型半導体装置 |
US7366368B2 (en) | 2004-06-15 | 2008-04-29 | Intel Corporation | Optical add/drop interconnect bus for multiprocessor architecture |
JP5193199B2 (ja) * | 2006-07-20 | 2013-05-08 | フランス・テレコム | 増幅光信号のリモート変調を用いた長距離パッシブ光ネットワーク |
GB2441790A (en) * | 2006-09-12 | 2008-03-19 | Qinetiq Ltd | Electro-optic waveguide polarisation modulator |
US7920794B1 (en) | 2007-01-05 | 2011-04-05 | Lockheed Martin Corporation | Free space optical communication |
US7885548B1 (en) | 2007-01-24 | 2011-02-08 | Lockheed Martin Corporation | Free space optical communication |
EP1986360A1 (en) * | 2007-04-27 | 2008-10-29 | National University of Ireland Galway | Optical signal processing |
US20090247006A1 (en) * | 2008-01-22 | 2009-10-01 | Wi3, Inc., New York | Network access point having interchangeable cartridges |
GB0801395D0 (en) * | 2008-01-25 | 2008-03-05 | Qinetiq Ltd | Network having quantum key distribution |
US8855316B2 (en) * | 2008-01-25 | 2014-10-07 | Qinetiq Limited | Quantum cryptography apparatus |
GB0801408D0 (en) * | 2008-01-25 | 2008-03-05 | Qinetiq Ltd | Multi-community network with quantum key distribution |
GB0801492D0 (en) * | 2008-01-28 | 2008-03-05 | Qinetiq Ltd | Optical transmitters and receivers for quantum key distribution |
GB0809045D0 (en) * | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Quantum key distribution involving moveable key device |
GB0809044D0 (en) * | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Multiplexed QKD |
GB0809038D0 (en) | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Quantum key device |
GB0819665D0 (en) * | 2008-10-27 | 2008-12-03 | Qinetiq Ltd | Quantum key dsitribution |
GB0822254D0 (en) * | 2008-12-05 | 2009-01-14 | Qinetiq Ltd | Method of performing authentication between network nodes |
GB0822253D0 (en) * | 2008-12-05 | 2009-01-14 | Qinetiq Ltd | Method of establishing a quantum key for use between network nodes |
GB0822356D0 (en) * | 2008-12-08 | 2009-01-14 | Qinetiq Ltd | Non-linear optical device |
GB0917060D0 (en) | 2009-09-29 | 2009-11-11 | Qinetiq Ltd | Methods and apparatus for use in quantum key distribution |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3584220A (en) * | 1966-04-09 | 1971-06-08 | Hitachi Ltd | Optical communication system |
US4135202A (en) * | 1973-12-03 | 1979-01-16 | Communications Patents Limited | Broadcasting systems with fibre optic transmission lines |
US4198118A (en) * | 1976-09-27 | 1980-04-15 | The Boeing Company | Power equalizing multiport optical coupler |
IT1159851B (it) * | 1978-06-20 | 1987-03-04 | Cselt Centro Studi Lab Telecom | Perfezionamenti ai sistemi di trasmissione a divisione di lunghezza d'onda |
US4289373A (en) * | 1978-08-17 | 1981-09-15 | Nippon Electric Co., Ltd. | Bidirectional optical fiber transmission system |
US4281253A (en) * | 1978-08-29 | 1981-07-28 | Optelecom, Inc. | Applications of dual function electro-optic transducer in optical signal transmission |
US4227260A (en) * | 1978-11-06 | 1980-10-07 | The Singer Company | Electronic active star element for an optical data transmission system |
JPS55162640A (en) * | 1979-06-06 | 1980-12-18 | Kokusai Denshin Denwa Co Ltd <Kdd> | Light source redundancy system in optical communication |
US4367548A (en) * | 1980-04-10 | 1983-01-04 | Harris Corporation | Subscriber station for providing multiple services to a subscriber |
US4491983A (en) * | 1981-05-14 | 1985-01-01 | Times Fiber Communications, Inc. | Information distribution system |
FR2513049A1 (fr) * | 1981-09-15 | 1983-03-18 | Thomson Csf | Systeme de communication optique et reseau telephonique comprenant un tel systeme |
US4436365A (en) * | 1981-10-21 | 1984-03-13 | Bell Telephone Laboratories, Incorporated | Data link using integrated optics devices |
EP0110388B1 (en) * | 1982-11-29 | 1987-10-07 | Nec Corporation | Optical time-division switching system employing optical bistable devices |
US4642804A (en) * | 1985-05-10 | 1987-02-10 | Bell Communications Research, Inc. | Shared laser lightwave transmission systems |
-
1986
- 1986-03-27 US US06/844,667 patent/US4775971A/en not_active Expired - Lifetime
-
1987
- 1987-03-04 WO PCT/US1987/000483 patent/WO1987006084A1/en not_active Application Discontinuation
- 1987-03-04 KR KR1019870701097A patent/KR910003238B1/ko not_active IP Right Cessation
- 1987-03-04 JP JP62502103A patent/JPS63502946A/ja active Pending
- 1987-03-04 EP EP87902223A patent/EP0261201A1/en not_active Ceased
- 1987-03-25 CA CA000532971A patent/CA1257652A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
WO1987006084A1 (en) | 1987-10-08 |
CA1257652A (en) | 1989-07-18 |
US4775971A (en) | 1988-10-04 |
EP0261201A1 (en) | 1988-03-30 |
KR910003238B1 (ko) | 1991-05-24 |
JPS63502946A (ja) | 1988-10-27 |
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Legal Events
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A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20020429 Year of fee payment: 12 |
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LAPS | Lapse due to unpaid annual fee |