Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
05/1998
05/12/1998US5751454 Wavelength bypassed ring networks
05/07/1998WO1998019416A1 Transient suppression in optical wavelength division multiplex network
05/07/1998WO1998019415A1 Programmable wavelength router
05/07/1998WO1998019409A2 High-performance parallel processors based on star-coupled wavelength division multiplexing optical interconnects
05/07/1998CA2268131A1 Programmable wavelength router
05/06/1998EP0840473A1 Adaptation device for optical communication network
05/06/1998EP0840469A2 Device and method to suppress q-switching in an optical amplifying device
05/06/1998CA2217077A1 Crosstalk suppression in a multipath optical amplifier
05/05/1998US5748824 Positive dispersion optical waveguide
05/05/1998US5748815 Optical component adapted to monitor a multiwavelength link and add-drop multiplexer using this component, application to optical networks
05/05/1998US5748364 Amplified telecommunication system for wavelength-division multiplexing transmissions
05/05/1998US5748350 Dense wavelength division multiplexer and demultiplexer devices
05/05/1998US5748349 Gratings-based optical add-drop multiplexers for WDM optical communication system
05/05/1998US5748348 Optical communication system for cable-television signals and for subscriber-assigned signals
04/1998
04/30/1998WO1998018231A1 Optical spectral multiplexer for inserting and extracting
04/30/1998CA2238888A1 Optical spectral multiplexer for inserting and extracting
04/30/1998CA2217793A1 Adapting device for optical communication network
04/29/1998EP0838918A1 Device for add-dropping wavelength multiplexed channels
04/29/1998EP0838913A2 Stable power control for optical transmission systems
04/29/1998CN1180465A Multiple reflection multiplexer and demultiplexer
04/29/1998CN1180464A Optical network and arrangement and method in such network
04/29/1998CN1180462A Multi-point to point communication system
04/29/1998CA2217546A1 Device and method to suppress q-switching in an optical amplifying device
04/28/1998US5745837 Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA
04/28/1998US5745613 Wavelength-division multiplexing optical communication apparatus and method therefor
04/28/1998US5745612 Wavelength sorter and its application to planarized dynamic wavelength routing
04/28/1998US5745582 Audio signal transmitting apparatus audio signal receiving apparatus and audio signal transmitting and receiving system
04/28/1998US5745283 Method and apparatus for controlling optical amplifier used for optically amplifying wavelength-division multiplexed signal
04/28/1998US5745271 Attenuation device for wavelength multiplexed optical fiber communications
04/28/1998US5745270 Method and apparatus for monitoring and correcting individual wavelength channel parameters in a multi-channel wavelength division multiplexer system
04/28/1998US5745269 Method for the management of wavelength-division-multiplexed optical loops
04/28/1998CA2057881C Optical networks
04/24/1998CA2217119A1 Extraction-insertion device for wavelength multiplexed channels
04/23/1998WO1998017043A2 Massively parallel processor networks with optical express channels
04/23/1998DE19710033C1 Signal modulation conversion method for optical multiplex system
04/22/1998EP0837607A2 Server system for delivering signal and delivery method of signal therein
04/22/1998EP0837576A2 Transient suppression in an optical wavelength division multiplexed network
04/22/1998EP0837575A2 Optical communication system employing spectrally sliced optical source
04/22/1998EP0837572A2 Optical network, optical division and insertion node and recovery system from network failure
04/21/1998US5742605 Synchronous optical network using a ring architecture
04/21/1998US5742585 Network for connecting a plurality of nodes using a plurality of channels
04/21/1998US5742416 Bidirectional WDM optical communication systems with bidirectional optical amplifiers
04/21/1998US5742415 Optical switching device
04/21/1998US5742414 Multiplicity of services via a wavelength division router
04/18/1998CA2214483A1 Transient suppression in an optical wavelength division multiplexed network
04/16/1998WO1998016018A2 Wavelength division multiplexed signal amplifier
04/16/1998WO1998015993A1 Lossless optical transmission system architecture
04/16/1998WO1998015861A1 Method and apparatus for combining add/drop optical signal lines from a plurality of branching units
04/16/1998WO1998006191A3 Automatic feedback gain control in a doped fiber amplifier
04/16/1998CA2267779A1 Method and apparatus for combining add/drop optical signal lines from a plurality of branching units
04/15/1998EP0836343A2 Wavelenght bypassed ring networks
04/15/1998EP0835567A1 Add/drop multiplexer node
04/14/1998US5740289 Optical arrangement for amplifying WDM signals
04/14/1998US5739937 Optical unit for restoring a pulse pattern, receiver suitable for use in a transmission system comprising such a unit
04/14/1998US5739934 Wavelength division multiplexing lightwave transmission system
04/14/1998US5739932 Optical transmission system constructing method and system
04/08/1998EP0835035A1 Variable delay apparatus for optical signals
04/08/1998EP0835005A2 Optical repeater and optical transmission system
04/08/1998EP0835003A1 Channel add-drop device over a multichannel bidirectional optical link
04/08/1998EP0835002A1 Optical network
04/08/1998EP0723676B1 Optical switching device
04/08/1998EP0705509A4 An optical communications system for transmitting information signals having different wavelengths over a same optical fiber
04/07/1998US5737110 Optical communication system using dark soliton lightwave
04/07/1998US5737106 Wavelength selective optical delay line
04/07/1998CA2216010A1 Variable delay device for optical signals
04/04/1998CA2217263A1 Optical repeater and optical transmission system
04/03/1998CA2215128A1 Device for inserting/extracting channels on a two-way multichannel optical link
04/02/1998WO1998013964A1 Optical mach-zehnder time division demultiplexer
04/02/1998WO1998013963A1 A multiplicity of services via a wavelength division router
04/01/1998EP0833473A2 Device for realising an Add/Drop method of optical powers transmitted in wavelength-multiplex
04/01/1998EP0833255A2 Multi-processor system using an optical communication with a different frequency band for each communication destination
04/01/1998EP0832526A1 Cdma communication system in which bit rates are dynamically allocated
04/01/1998EP0832443A1 Optical multiplexing device and method
04/01/1998CN1178047A Optical amplifier arrangement
03/1998
03/31/1998CA2186817A1 Optical communication system utilizing photonic patterns
03/30/1998CA2216579A1 Multi-processor system using an optical communication with a different frequency band for each communication destination
03/25/1998CN1177240A 光通讯系统 Optical Communication Systems
03/19/1998WO1998011682A1 System with optical amplifier
03/19/1998WO1998011681A1 System with feedback controlled optical amplifiers
03/18/1998EP0829981A2 System and method for mitigating cross-saturation in optically amplified networks
03/18/1998EP0829980A2 Optical communications system
03/18/1998EP0829979A2 Multi-wavelength light source and discrete-wavelength-variable light source
03/18/1998EP0829978A2 Digital optical transmitter and digital optical receiver making communication by superimposing subdata on modulated waveform of main data
03/18/1998CN1176546A Optical communication system employing spectrally sliced optical source
03/17/1998US5729369 Method of tracking a plurality of discrete wavelengths of a multifrequency optical signal for use in a passive optical network telecommunications system
03/11/1998EP0828357A2 Optical element power control
03/11/1998EP0828174A2 Optical wavelength converter device and optical pulse phase detecting circuit
03/11/1998EP0827676A1 Optical switch
03/10/1998US5726787 Apparatus and method for improving signal-to-noise ratio in wavelength division multiplexing soliton transmission systems
03/10/1998US5726785 Optical add-drop multiplexer using optical circulators and photoinduced Bragg gratings
03/10/1998US5726784 WDM optical communication system with remodulators and diverse optical transmitters
03/10/1998US5726783 Optical fibre communication system
03/05/1998WO1998009407A1 Method for optimising a mostly optical network
03/05/1998WO1998009397A1 Simultaneous wavelength-division multiplexing and broadcast transmission system
03/05/1998WO1998009396A1 Switchable wavelength add/drop component
03/05/1998CA2264027A1 Method for optimising a mostly optical network
03/05/1998CA2231642A1 Switchable wavelength add/drop component
03/04/1998EP0827357A2 Cross-connect network node
03/04/1998CN1175334A Node in optical TDM network
03/03/1998US5724383 Method for generating and encoding signals for spread spectrum communication
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