| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 05/30/2000 | US6069731 Constant passband variable gain optical amplifier and system for automatically compensating variations in losses on an optical link including an amplifier of this kind |
| 05/30/2000 | US6069720 Optical telecommunications network |
| 05/30/2000 | US6069719 Dynamically reconfigurable optical add-drop multiplexers for WDM optical communication systems |
| 05/30/2000 | US6069718 Distortion penalty measurement procedure in optical systems using noise loading |
| 05/27/2000 | CA2290311A1 Modular filter for extracting optical signals from, and/or inserting them into, multiple-wavelength optical telecommunications systems |
| 05/25/2000 | WO2000030282A1 Code-based optical networks, methods, and apparatus |
| 05/25/2000 | WO2000030281A1 Method and system for securing wavelength division multiplex systems |
| 05/25/2000 | WO2000029887A1 Codes, methods, and apparatus for optical encoding and decoding |
| 05/25/2000 | WO2000029886A1 Resonator fiber bidirectional coupler |
| 05/25/2000 | WO2000018047A3 Pre- and post-compensation techniques for wavelength division multiplexing systems |
| 05/25/2000 | CA2288463A1 Method and apparatus for ancillary data in a wavelength division multiplexed system |
| 05/23/2000 | US6067187 Optical amplifier and optical communication system employing the same |
| 05/23/2000 | US6067181 Laser locking and self filtering device |
| 05/23/2000 | US6067179 Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 05/23/2000 | US6067178 Multiple wavelength division multiplexer with reduced loss |
| 05/23/2000 | US6067177 Method for sub-carrier multiplexed optical signal transmission and apparatus for same |
| 05/17/2000 | EP1001564A1 Balancing of collisions in a soliton transmission system |
| 05/17/2000 | EP1001563A2 Module for the transmission of optical signals |
| 05/17/2000 | EP1001287A2 Multiplexer and demultiplexer for single mode optical fiber communication links |
| 05/17/2000 | EP1000478A1 Optical data processing using electroabsorption modulators |
| 05/17/2000 | EP1000477A1 Multi-band amplification system for dense wavelength division multiplexing |
| 05/17/2000 | EP1000473A2 Communication using spread spectrum methods over optical fibers |
| 05/16/2000 | US6064681 Wavelength stabilized, tunable optical transmitter with high SMSR |
| 05/16/2000 | US6064513 Optical transmission system |
| 05/16/2000 | US6064503 Light source for wavelength division multiplexing communications |
| 05/11/2000 | WO2000027057A1 Amplification of an optical wdm signal |
| 05/11/2000 | WO2000027056A1 Multiple-wavelength amplified telecommunications system with gain compensation |
| 05/11/2000 | WO2000027054A1 Optical transmission apparatuses, methods, and systems |
| 05/11/2000 | DE19848989A1 Verfahren zur kanalweisen Einstellung von Sendesignalleistungen eines Wellenlängenmultiplex-Übertragungssystems A method for channel-wise adjustment of transmitted signal power of a wavelength division multiplexed transmission system |
| 05/11/2000 | CA2349266A1 Multiple-wavelength amplified telecommunications system with gain compensation |
| 05/10/2000 | EP0999707A2 Imaging system |
| 05/10/2000 | EP0999663A2 WDM optical transmission system and an optical transmission line thereof |
| 05/10/2000 | EP0999461A2 Switchable filter |
| 05/10/2000 | EP0998798A1 Method and device for transmitting data by wavelength division multiplexing in an optical ring network |
| 05/10/2000 | CN1252654A Wave length stabilizer in wave division shared optic transmission system |
| 05/09/2000 | US6061485 Method for wavelength division multiplexing utilizing donut mode vertical cavity surface emitting lasers |
| 05/09/2000 | US6061484 Add/drop multiplexer |
| 05/09/2000 | US6061482 Channel layered optical cross-connect restoration system |
| 05/09/2000 | US6061369 Wavelength selectable fiber laser system |
| 05/09/2000 | US6061173 Wavelength-division-multiplexing optical amplifier |
| 05/09/2000 | US6061157 Optical wavelength multiplexing and demultiplexing device and an optical transmission system using the same |
| 05/04/2000 | WO2000025465A1 Method for channel adjustment of transmission signal power in a wavelength division multiplexing transmission system |
| 05/04/2000 | WO2000025457A1 Optical wavelength-division multiplex transmission network device using transceiver having 2-input/2-output optical path switch |
| 05/04/2000 | WO2000025451A1 Method and apparatus for monitoring an optical wdm network |
| 05/03/2000 | EP0998066A2 Transmission system for optical time division multiplexed signal |
| 05/03/2000 | CN1252194A Method for transmitting additional data signals and useful data signal by means of optical links |
| 05/02/2000 | US6058227 Method and apparatus for an opto-electronic circuit switch |
| 05/02/2000 | CA2158599C Rapidly tunable integrated laser |
| 04/27/2000 | WO2000024148A1 Wdm-channel equalizer |
| 04/27/2000 | WO2000002334A3 Method and apparatus for bit synchronization in optical communication and networking systems |
| 04/27/2000 | DE19940302A1 Tunable Add-Drop-Continue-module with optical filter for signal transmission |
| 04/27/2000 | CA2343822A1 Wdm-channel equalizer |
| 04/26/2000 | EP0996308A1 Telecommunications network comprising means for managing transmission resources of network elements |
| 04/26/2000 | EP0996243A1 Method and apparatus for monitoring an optical WDM network |
| 04/26/2000 | EP0995286A1 Method for transmitting overhead information for wavelength division multiplex networks for fibre-optic information transmission |
| 04/25/2000 | US6055094 Optical amplifying apparatus |
| 04/25/2000 | US6055093 Optical amplifying apparatus and linear relay optical amplifier transmitter |
| 04/25/2000 | US6055092 Multi-wavelength light amplifier |
| 04/25/2000 | US6055082 Optical transmission system |
| 04/25/2000 | US6055078 Real time wavelength monitoring circuit |
| 04/25/2000 | US6055077 Multimedia distribution system using fiber optic lines |
| 04/25/2000 | CA2185880C Communication system for performing wavelength division multiplexing communications, and wavelength control method used in the system |
| 04/20/2000 | WO2000022765A1 Optical unidirectional ring network |
| 04/20/2000 | WO2000022741A2 Optical and programmable fiber optic wavelength add/drop system |
| 04/20/2000 | WO2000022479A1 Optical filter, adjustable add-drop-continue module and circuit for bundled cross-connect functionality |
| 04/20/2000 | DE19847410A1 Optical unidirectional ring network |
| 04/19/2000 | EP0994595A2 Wavelength multiplexer/demultiplexer and optical transmission apparatus |
| 04/19/2000 | EP0994594A1 Method and apparatus for extraction and insertion of a channel for a wavelenght division multiplexing optical transmission |
| 04/19/2000 | EP0994585A1 Power equalisation in a WDM optical transmission system comprising several amplifiers |
| 04/19/2000 | EP0994584A1 Repeater for a long-haul optical fiber transmission system using WDM |
| 04/19/2000 | EP0994583A1 Method and apparatus for controlling the optical power of an optical transmission signal |
| 04/19/2000 | EP0994582A1 Reconfigurable fiber network for wireless communication |
| 04/19/2000 | EP0993710A1 Wdm optical communication systems with wavelength-stabilized optical selectors |
| 04/19/2000 | CN1250988A Wave length multiplexer/demultiplexer and optical transmission apparatus |
| 04/19/2000 | CA2286785A1 Telecommunications network including means of managing network element transmission resources |
| 04/18/2000 | US6052499 Optical demultiplexer filter system to eliminate cross-talk side-lobes |
| 04/18/2000 | CA2173237C Optical switching device |
| 04/15/2000 | CA2286391A1 Channel extraction and insertion process and system for wavelength-multiplexed optical transmission |
| 04/13/2000 | WO2000021230A2 Wdm transmitter and receiver |
| 04/13/2000 | WO2000021224A2 Array and method for monitoring the performance of dwdm multiwavelenght systems |
| 04/13/2000 | WO2000020986A1 Device, method, and system for implementing quality of service zero latency networks using dense wavelength division multiplexing |
| 04/13/2000 | WO2000020906A1 Optical fibre useful for wavelength multiplexing transmission system |
| 04/13/2000 | CA2346392A1 Device, method, and system for implementing quality of service zero latency networks using dense wavelength division multiplexing |
| 04/12/2000 | EP0992842A1 Device for regenerating a wavelength division multiplexed signal comprising a saturable absorber |
| 04/12/2000 | EP0992818A1 Dispersion shifted optical fiber with positive dispersion at 1550 nm |
| 04/12/2000 | EP0992137A1 Method for transmitting a signal in a network |
| 04/12/2000 | CN1250282A Light increasing-downleading multiplexer and wave division multiplex optical chain-circuit |
| 04/12/2000 | CN1051418C Optical fibre digital communication system with time division multiplex access (TDMA) coupling |
| 04/11/2000 | US6049405 Optical node in an optical bus network |
| 04/11/2000 | CA2032861C Single wire, infrared, randomly reflected, automotive multiplexing system |
| 04/08/2000 | CA2285101A1 Integrated ring-mesh network |
| 04/06/2000 | WO2000019651A2 Improvement in optical multichannel systems |
| 04/06/2000 | WO2000019249A1 High-q optical microwave processor using hybrid delay-line filters |
| 04/06/2000 | WO2000001098A9 Dispersion compensating element having substantially uniform spectral nonlinearity |
| 04/06/2000 | DE19845701A1 Anordnungen zur Überwachung der Performance von DWDM-Mehrwellenlängensystemen Arrangements for monitoring the performance of multi-wavelength DWDM systems |
| 04/06/2000 | CA2341862A1 High-q optical microwave processor using hybrid delay-line filters |
| 04/05/2000 | EP0991217A2 Low cost WDM system |
| 04/05/2000 | EP0990323A1 Method for optically transmitting signalling and control information in optical wavelength multiplex networks |
| 04/05/2000 | CN1249871A Switchable wavelength router |
| 04/05/2000 | CA2282938A1 Device for regenerating a wavelength-multiplexed signal including a saturable absorbent |