Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
09/2000
09/27/2000EP1039669A2 System and method for secure multiple wavelength communication on optical fibers
09/27/2000CN1267981A 光通信系统 The optical communication system
09/27/2000CN1267980A Wave separating multiplex system for optical cut-in ring
09/26/2000US6125104 Network node for switching quality detector to incoming signal specified by request message from adjacent node
09/26/2000US6124959 Optical wavelength-division multiplexing transmission system
09/26/2000US6124957 Optical signal translator unit
09/26/2000CA2210536C Optical switch
09/22/2000CA2300235A1 Wavelength division multiplexed system for optical access rings
09/21/2000WO2000055995A1 A receiver transponder for protected networks
09/21/2000WO2000036780A3 High speed linking module
09/20/2000EP1036445A1 Wdm ring transmission system
09/20/2000CN1267156A 信号传输系统 A signal transmission system
09/20/2000CN1267149A Signal transmission system
09/20/2000CN1267148A 信号传输系统 A signal transmission system
09/19/2000US6122096 Expandable wavelength-selective and loss-less optical add/drop system
09/19/2000US6122095 Wavelength-selective and loss-less optical add/drop multiplexer
09/16/2000CA2301235A1 Tunable optical filter
09/14/2000WO2000054447A1 Multiple-wavelength optical communication system with optical amplifiers
09/14/2000WO2000034972A3 Reconfigurable multiwavelength network elements
09/14/2000CA2364429A1 Multiple-wavelength optical communication system with optical amplifiers
09/13/2000EP1035680A2 Signal transmission system
09/13/2000EP1035679A2 Signal transmission system
09/13/2000EP1035671A2 Dispersion Compensating optical transmission line and system
09/13/2000EP1035670A2 Optical amplifier arranged to offset raman gain
09/13/2000EP1035669A1 Optical signal quality monitor
09/13/2000EP1035668A2 Optical signal transmission system
09/13/2000EP1035622A1 Magnectically tunable and latchable broad-range semiconductor laser
09/13/2000EP1034627A1 Crosstalk reduction in a bidirectional optical link
09/13/2000CN1266315A Wave division multiplexer
09/12/2000US6118566 Optical upconverter apparatuses, methods, and systems
09/12/2000US6118565 Coherent optical communication system
09/12/2000US6118564 Optical time division demultiplexing apparatus and demultiplexed signal switching method as well as optical time division multiplex transmission system
09/12/2000US6118563 Methods and apparatus for reducing four-wave mixing
09/12/2000US6118562 Wavelength aligning apparatus using arrayed waveguide grating
09/12/2000US6118561 Wavelength division multiplexing optical transmitter and wavelength division multiplexing-demultiplexing optical transmission-reception system
09/12/2000US6118479 Optical transmission method, error rate evaluation method applied in optical transmission and apparatus for generating a signal for error rate evaluation
09/08/2000WO2000052865A1 Optical networks
09/08/2000WO2000052864A2 Hybrid wavelength selective optical router and switch
09/08/2000WO2000029887A8 Codes, methods, and apparatus for optical encoding and decoding
09/08/2000CA2361133A1 Hybrid wavelength selective optical router and switch
09/07/2000DE19906813A1 Optical add-drop-multiplexer
09/06/2000EP1033842A2 Wavelength division multiplexed optical communication system having reduced short wavelength loss
09/06/2000EP1033841A2 Reconfigurable add/drop for optical fiber communication systems
09/06/2000EP1033835A2 Optical central office
09/06/2000EP1033834A2 Wavelength division multiplexing optical amplifier and optical communication system
09/06/2000EP1033794A1 Optical gain equalizer, and optical amplifier and wavelength-division multiplex transmitter both comprising the optical gain equalizer
09/06/2000EP1033604A2 Reversible ring coupler for optical networks
09/06/2000EP1033003A2 Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
09/06/2000CN1265475A 增益控制光放大器 Optical amplifier gain control
09/05/2000US6115517 Optical communication network apparatus and optical switching network
09/05/2000US6115516 Wavelength division multiplex branching unit and method of operation for optical transmission systems
09/05/2000US6115173 Optical amplifying transmission system and optical amplifier
09/05/2000US6115158 Optical communication system and optical transmitting device applied thereto
09/05/2000US6115157 Methods for equalizing WDM systems
09/05/2000US6115156 Demultiplexer device for wavelength-division multiplexed optical fiber communication
09/05/2000US6115155 System for dealing with faults in an optical link
09/05/2000US6115154 Method and system for detecting loss of signal in wavelength division multiplexed systems
09/05/2000CA2026658C Asynchronous optical communication system_
09/04/2000CA2298323A1 System and method for secure multiple wavelength communication on optical fibers
09/04/2000CA2295407A1 Simplified 1 + 1 optical protection
08/2000
08/31/2000WO2000051278A1 Wdm ring transmission system having amplified dropped channels
08/31/2000WO2000051277A2 Flexible optical multiplexer
08/31/2000WO2000020986A9 Device, method, and system for implementing quality of service zero latency networks using dense wavelength division multiplexing
08/31/2000CA2353815A1 Wdm ring transmission system having amplified dropped channels
08/30/2000EP0827676B1 Optical switch
08/30/2000CN1264972A Dual-side zero-angle up and down carriers division multiplex/demultiplex and optical insertion multiplex devices
08/30/2000CN1264971A Single-side zero-angle up and down carriers division multiplex/demultiplex and optical insertion multiplex devices
08/30/2000CN1264941A Wide range semiconductor laser having magnetic tunning and latch
08/29/2000US6111681 WDM optical communication systems with wavelength-stabilized optical selectors
08/29/2000US6111679 Method and system for optical multichannel transmission using coherence division multiplexing with optical filtering
08/29/2000US6111675 System and method for bi-directional transmission of telemetry service signals using a single fiber
08/29/2000US6111674 Multiple reflection multiplexer and demultiplexer
08/29/2000US6111673 High-throughput, low-latency next generation internet networks using optical tag switching
08/29/2000US6111672 Method, apparatus, and computer program product for optical network restoration
08/24/2000WO2000049752A1 Add-drop-multiplexer and optical wavelength division multiplex transmission system
08/24/2000WO2000049751A1 Network nodes with optical add/drop modules
08/24/2000WO2000049750A1 System and method providing a separate control channel for a wavelength division multiplexed network
08/24/2000WO2000049741A1 Method and apparatus for providing optical amplification and gain equalization to an optical signal in an optical communication system
08/24/2000WO2000049687A1 Wdm transmitter
08/24/2000DE19906862A1 Network node for optical ring networks
08/24/2000CA2363572A1 System and method providing a separate control channel for a wavelength division multiplexed network
08/23/2000EP1030481A1 A cross-connect device and a method for switching based on space switching and grouping of channels
08/23/2000EP1030480A2 Configurable optical circuit
08/23/2000EP1030479A1 Device for reconfigurable optical filtering and add-drop multiplexer incorporating the same
08/23/2000EP1030478A2 Optical wavelength division multiplex system and method thereof
08/23/2000EP1030473A2 High capacity optical fiber network operating in the 1.4 um region
08/23/2000EP1030471A1 Regenerated optical WDM transmission system
08/23/2000EP1030470A2 Lightwave communication systems using semiconductor optical amplifiers
08/23/2000EP1030469A2 Optical communication apparatus and optical add/drop apparatus
08/23/2000EP1030200A1 Optical fibre with large effective area and strong chromatic dispersion
08/23/2000CN1264231A Optical signal transmission method for reducing degenerate caused by non-linear effect
08/23/2000CN1264230A High-capacity fibre-optical network working in 1.4 mu m range
08/23/2000CN1264056A Light-wave communication system using semiconductor light amplifier
08/22/2000US6108474 Optical pulse compressor for optical communications systems
08/22/2000US6108471 Compact double-pass wavelength multiplexer-demultiplexer having an increased number of channels
08/22/2000US6108468 Optical branching device and method of optical transmission
08/22/2000US6108339 Synchronous optical network using a ring architecture
08/22/2000US6108311 Multichannel ring and star networks with limited channel conversion
08/22/2000US6108123 Optical communication system and optical amplifier
08/22/2000US6105835 Hanger
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