Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
09/2003
09/25/2003US20030179989 Optical wavelength division multiplexed system using wavelength splitters
09/25/2003US20030179988 Control method and control apparatus for variable wavelength optical filter
09/25/2003US20030179783 Wavelength division multiplexing transmission system
09/25/2003US20030179766 Method and apparatus for cross-talk cancellation in frequency division multiplexed transmission systems
09/25/2003CA2475858A1 Add/drop node for an optical communications network
09/25/2003CA2474644A1 Method of determining a spectral route for a given connection in an optical telecommunication network and nod for delivering the method
09/24/2003EP1347592A1 Metropolitan optical telecommunications network comprising a ring-type core
09/24/2003EP1347591A2 Method of locating faults in optical telecommunication networks
09/24/2003EP1347590A2 Wavelength division multiplexing passive optical network system
09/24/2003EP1347589A1 A wavelength division multiplex transmission system or a polarisation division multiplex system which means for measuring dispersion characteristics, an optical transmitter, an optical receiver and a method therefore
09/24/2003EP1347586A2 Method and apparatus for chromatic dispersion compensation
09/24/2003EP1347585A2 Optical system for gain equalization
09/24/2003EP1346499A2 A system and method for increasing channel capacity of fiber-optic communication networks
09/24/2003EP1346249A2 Optical tapped delay line
09/24/2003CN2575691Y Multifunction household stereo-display device
09/24/2003CN1444070A High-speed expandable optical switch
09/24/2003CN1122343C 光放大器 Optical amplifiers
09/23/2003US6625337 Wavelength-division multiplex optical signal processor and a method of regenerating a wavelength-division multiplexed optical signal
09/23/2003US6624939 50/100 and 50/200 GHz de-interleaver with high isolation and dispersion compensation
09/23/2003US6624918 Voltage control of optical receiver bandwidth
09/23/2003US6624889 Cascaded filter employing an AOTF and narrowband birefringent filters
09/23/2003US6624770 Block coding system and method of data aggregation
09/23/2003US6623187 Wireless optical communication system and wireless optical communication method
09/23/2003US6623186 Optical ethernet overlay for loop topology network
09/22/2003CA2421542A1 System and method for optical transmission
09/21/2003CA2423240A1 Method and apparatus for chromatic dispersion compensation
09/18/2003WO2003077449A1 Dynamic broadband optical equalizer
09/18/2003WO2003077023A1 Resonator assisted mach-zehnder interferometer add/drop filter
09/18/2003WO2003076981A2 Optical wavelength cross connect architectures using wavelength routing elements and methods for performing in-service upgrades
09/18/2003WO2003076979A2 Split-band depressed-profile amplifier and system
09/18/2003WO2003050981A3 Method and an apparatus for optical wdm signal transmission using raman amplification
09/18/2003WO2003028403A3 All-optical switching sites for an agile optical network
09/18/2003WO2003003637A3 Method, system, and apparatus for wireless wavelength division multiplexing
09/18/2003WO2002096002A3 Hybrid wdm/tdm network architecture
09/18/2003WO2002091636A3 Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links
09/18/2003WO2002087277A3 Optical transmission systems including multi-casting systems, apparatuses, and methods
09/18/2003US20030175034 Method and apparatus for optical information transmission
09/18/2003US20030175033 Optical transmission system, optical transmitter and methods thereof
09/18/2003US20030175030 Re-configurable optical add/drop multiplexer module and method
09/18/2003US20030175029 Method of seamless migration from scaleable OADM to a network switching node
09/18/2003US20030175028 Method and apparatus for hitlessly accessing a data signal using a signaling protocol
09/18/2003US20030174980 Optical transmission system
09/18/2003US20030174942 Method and apparatus for spatial domain multiplexing in optical fiber communications
09/18/2003US20030174939 Chromatic dispersion compensation device having an array of micromirrors
09/18/2003US20030174938 Wide band Raman amplifiers
09/18/2003US20030174935 Channel balancer for WDM optical units
09/18/2003US20030174926 Optical circuit
09/18/2003US20030174921 Transmission of orthogonal circular polarizations on a fiber
09/18/2003US20030174743 Absolutely calibrated periodic filters and sources
09/18/2003US20030174713 Arrangement and method relating to switched telecommunications
09/18/2003US20030174659 Network control system for optical communication networks
09/18/2003US20030174387 Tunable multimode laser diode module, tunable multimode wavelength division multiplex raman pump, and amplifier, and a system, method, and computer program product for controlling tunable multimode laser diodes, raman pumps, and raman amplifiers
09/18/2003US20030174386 Optical communication system
09/18/2003CA2478416A1 Communication system and split-bnd amplifying apparatus using a depressed profile fiber amplifier
09/18/2003CA2411792A1 Absolutely calibrated periodic filters and sources
09/17/2003EP1345468A2 Data transmission in gigabit ethernet passive optical network
09/17/2003EP1345347A2 Optical transmission system, optical transmitter and methods thereof
09/17/2003EP1345346A2 System and method for assigning traffic to wavelengths in optical networks
09/17/2003EP1345345A1 Wide band raman amplifiers
09/17/2003EP1345342A1 An optical transmitter for transmitting signals with high data rates, an optical transmission system and a method therefor
09/17/2003EP1345294A2 Tunable multimode pump source for a Raman amplifier
09/17/2003EP1345051A2 Transmission of orthogonally circularly polarized beams on a fiber
09/17/2003EP1344362A2 Wdm communication system using dmpsk and optical filtering
09/17/2003EP1344337A2 Optically amplified receiver
09/17/2003CN1442976A Low cost wave band multiplex/demultiplex device
09/17/2003CN1442975A Optical transmitter optical transmission system and method used for high data speed transmission signal
09/17/2003CN1442967A Photo transmitting device
09/17/2003CN1442727A 40†ù40 wave length no blocking optical switch
09/17/2003CN1121626C Controller for controlling light changeable attenuator
09/16/2003US6621958 Athermalization and pressure desensitization of diffraction grating based WDM devices
09/16/2003US6621621 Line amplification system for wavelength switched optical networks
09/16/2003US6621620 Optical amplification system using Raman amplification
09/16/2003US6621612 Full spectrum optical communication system and methods thereof
09/16/2003US6619867 Optical transmission system
09/16/2003US6619865 Optical frequency division multiplexing network
09/16/2003CA2298408C Method of optical signal transmission with reduced degradation by non-linear effects
09/12/2003WO2003075165A1 Optical communication apparatus and method
09/12/2003WO2003075060A1 Tuneable filter arrangement
09/11/2003US20030172336 Self synchronous scrambler apparatus and method for use in dense wavelength division multiplexing
09/11/2003US20030170035 Optical transmission apparatus
09/11/2003US20030170032 Data transmission method in gigabit ethernet passive optical network
09/11/2003US20030170030 Optical delay unit
09/11/2003US20030170029 WDM optical network with passive pass-through at each node
09/11/2003US20030170028 Optical transmitter, optical repeater, optical receiver and optical transmission method
09/11/2003US20030170027 WDM optical network with passive pass-through at each node
09/11/2003US20030170026 WDM optical network with passive pass-through at each node
09/11/2003US20030170025 Optical wavelength cross connect architectures using wavelength routing elements
09/11/2003US20030169988 Single-mode optical fiber and composite optical line
09/11/2003US20030169967 Chromatic dispersion compensation in a broadband optical transmission system
09/11/2003US20030169961 Methods for performing in-service upgrades of optical wavelength cross connects
09/11/2003US20030169566 WDM add/drop multiplexer module
09/11/2003US20030169487 Method and apparatus for controlling power transients in an optical communication system
09/11/2003US20030169470 Method and system for bi-directional path switched network
09/11/2003US20030168708 Variable wavelength attenuator for spectral grooming and dynamic channel equalization using micromirror routing
09/10/2003EP1343266A2 Optical transmission apparatus
09/10/2003EP1342330A2 Fiber optic system including digital controller for fiber optic tunable filter and associated methods
09/10/2003EP1342114A1 Device for frequency band demultiplexing
09/10/2003EP1342106A2 Point-to-multipoint passive optical network that utilizes variable-length packets and variable-length upstream tine slots
09/10/2003EP1008239B1 Device for adding and dropping optical signals
09/10/2003CN1441284A Polarization-independent folded waveguide grating array
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