Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
05/2003
05/22/2003US20030097471 Routing in transmission networks
05/22/2003US20030095777 Attenuation devices
05/22/2003US20030095743 Wavelength router with a transmissive dispersive element
05/22/2003US20030095737 Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs
05/22/2003US20030095736 Transmitter photonic integrated circuit (TxPIC) chip architectures and drive systems and wavelength stabilization for TxPICs
05/22/2003US20030095734 Method and device for transmitting an optical signal by polarization scrambling
05/22/2003US20030095577 Node judging method, communication system, and node measuring apparatus
05/22/2003US20030095500 Methods for distributed shared mesh restoration for optical networks
05/22/2003US20030095323 Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) signal lights
05/22/2003US20030095311 Hyrbid-integrated high-speed OTDM module
05/22/2003US20030095310 Optical communication apparatus and method
05/22/2003US20030095309 Multi-wavelength optical access networks
05/22/2003US20030095307 Reconfigurable optical add/drop multiplexer having an array of micro-mirrors
05/22/2003US20030095305 Liquid crystal modulator and polarization diversity optics for optical communications
05/22/2003US20030095304 All-optical timing jitter measurement system and method
05/21/2003EP1313347A1 Routing in transport networks
05/21/2003EP1312182A1 Optical transmission system
05/21/2003EP1312181A2 Device and method for optical performance monitoring in an optical communications network
05/21/2003EP1312180A2 Optical communications network with protection paths
05/21/2003EP1312174A2 Device and method for monitoring signal direction in an optical communications network
05/21/2003CN2552017Y High-flat low-crosstalk wavelength division multiplexing device with optimization input
05/21/2003CN1419754A Power controlling network element
05/21/2003CN1419753A Free-space optical WDM communication system
05/21/2003CN1419355A Method for monitoring wavelength, power and signal/noise ratio of optical fibre communication for DWDM
05/21/2003CN1419354A WDM system channel power dynamic equalization method equalizing optical amplifier thereof
05/21/2003CN1419353A Optical code division multiple control channel based optical burst package switching system
05/21/2003CN1419143A Optical path mixing device
05/20/2003US6567580 Optical combiner system and method
05/20/2003US6567579 Multi-channel, multi-mode redundant optical local loop having a bus topology
05/20/2003US6567429 Wide area multi-service broadband network
05/20/2003US6567207 Optical transmission systems and optical amplifiers for use therein
05/20/2003US6567198 Wavelength stabilizer in WDM optical transmission system
05/20/2003US6567197 Optical ring network architecture
05/20/2003US6567196 Dense WDM optical multiplexer and demultiplexer
05/16/2003CA2412040A1 Attenuation devices
05/15/2003WO2003041320A2 Configurable optical add/drop multiplexer with partial or complete wavelength drop capability
05/15/2003WO2003041306A2 Characterization of a transmission path of an optical signal having an optical communication signal
05/15/2003WO2003040775A2 Liquid crystal modulator and polarization diversity optics for optical communications
05/15/2003WO2002037624A3 Wavelength-selective demultiplexer
05/15/2003US20030091274 Configurable optical add/drop multiplexer with partial or complete wavelength drop capability
05/15/2003US20030091273 Branching unit
05/15/2003US20030091071 Waveguide-type optical multiplexer/demultiplexer
05/15/2003US20030091021 Physically scoped multicast in multi-access networks
05/15/2003US20030090995 Pre-provisioning a light path setup
05/15/2003US20030090785 Light amplifier and light transmission system using the same
05/15/2003US20030090783 Optical system and method
05/15/2003US20030090763 Echelle grating interleaver
05/15/2003US20030090761 Optical WDM transmission system having a distributed arrangement of regenerators
05/15/2003US20030090760 Method for transmitting at least one first and one second data signal in polarization division multiplex in an optical transmission system
05/15/2003US20030090759 Optical ring network architecture
05/15/2003US20030090757 Noise light elimination method, noise light elimination apparatus and optical transmission system, using stimulated brillouin scattering
05/15/2003US20030090755 Osnr montoring method and apparatus for the optical networks
05/15/2003US20030090672 Deinterleaver with high isolation and dispersion compensation and 50/200GHz interleaver and deinterleaver
05/14/2003CN2550969Y Code model converting device for digital communication
05/14/2003CN1417968A Light signal regulating method and light transmission system for high-speed transmission system
05/14/2003CN1417617A Intelligent film filter
05/14/2003CN1417605A Waveguide type light synthesizer/splitter
05/13/2003US6563980 Method and device for spectral level balancing in wavelength division multiplex multi-channel systems
05/13/2003US6563978 Optical transmission system and optical coupler/branching filter
05/13/2003US6563895 Optical bit rate converter
05/13/2003US6563846 Multifunction optical transmitter for DWDM system
05/13/2003US6563630 Optical amplifier apparatus
05/13/2003US6563617 Optical apparatus using a 2D-spatial light modulator
05/13/2003US6563616 Optical demultiplexer
05/13/2003US6563615 Technique for detecting noise on a data channel
05/13/2003US6563614 Optical transmission system and amplifier control apparatuses and methods
05/13/2003US6563613 Optical subscriber network, and delay measurement method
05/13/2003CA2193018C Method and apparatus for reducing adverse effects of optical beat interference in optical communication systems
05/09/2003CA2411228A1 Waveguide-type optical multiplexer/demultiplexer
05/08/2003WO2003039084A1 Wdm network system and wdm node used therein
05/08/2003US20030086649 Integrated optical multiplexer and demultiplexer for wavelength division transmission of information
05/08/2003US20030086644 Field reconfigurable line cards for an optical transport system
05/08/2003US20030086151 Bidirectional coding splitter
05/08/2003US20030086140 Method and system for processing downstream packets of an optical network
05/07/2003EP1309123A2 Ultrahigh-speed clock extraction circuit for optical signals
05/07/2003EP1309119A2 A branching unit
05/07/2003EP1309118A1 Wavelength division multiplexing optical fibre network
05/07/2003EP1309117A1 Distributed coding network
05/07/2003EP1309116A1 Bidirectional coding splitter
05/07/2003EP1308755A2 Single-mode optical fiber and composite optical line
05/07/2003EP1307987A1 Bi-directional wavelength division multiplexing/demultiplexing devices
05/07/2003CN1416236A Function integration type reconfigurable optical add/drop multiplexing module
05/07/2003CN1416234A System of dual fibers two-way channel/multiplexing segment rotating loop for wavelength division multiplexing optical network
05/07/2003CN1415991A Plateau type wavelength division multiplexer of pass band realized by three point focusing
05/07/2003CN1415983A Single-mode fiber glass and composite optical line
05/07/2003CN1108046C Method for inhibiting continuous errors in ring-shaped optical SDH network
05/06/2003US6560386 Tunable optical add/drop multiplexer
05/06/2003US6560267 Solid-state laser and optical transmitter
05/06/2003US6560008 Controlling apparatus and controlling method for wavelength division multiplexing optical amplifier
05/06/2003US6560007 Bit-phase synchronized optical pulse stream local generator
05/06/2003US6560000 Wavelength-dependent optical signal processing using an angle-to-offset module
05/06/2003US6559994 Optical fiber transmitter for long distance subcarrier multiplexed lightwave systems
05/06/2003US6559992 Adjustable chromatic dispersion compensation
05/06/2003US6559990 Optical delay circuit having optical loop for repeatedly introducing delay time between input data and output data and method used therein
05/06/2003US6559989 Optical packet header processing apparatus for optical packet switch
05/06/2003US6559988 Optical wavelength add/drop multiplexer for dual signal transmission rates
05/06/2003US6559986 Method for converting the signal modulation of channels of an optical multiplex system to subcarrier frequencies
05/06/2003US6559985 Method and system for determining channel power in an optical communications network
05/06/2003US6559984 Apparatus for monitoring optical path based on the identification of optical cross-connect input ports
05/06/2003US6559943 Fiber optic system including digital controller for fiber optic tunable filter and associated methods
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