Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
03/2003
03/27/2003WO2003026178A1 Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service
03/27/2003WO2003026167A1 Improvements in or relating to signal transmission in an optical system
03/27/2003WO2003026150A1 Ethernet over multi-carrier frequency-division multiplexing (fdm)
03/27/2003WO2003026144A2 Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service in local networks
03/27/2003WO2001089119A3 Variable rate high-speed input and output in optical communication networks
03/27/2003WO2001067659A9 Optical power managed network node for processing dense wavelength division multiplexed optical signals
03/27/2003US20030059160 Optical clock signal distribution system in WDM network
03/27/2003US20030059159 Method and a system for protecting data transmitted on an optical ring formed of a single optical fiber
03/27/2003US20030059157 Wavelength modulation for optical based switching and routing
03/27/2003US20030059154 Optical switching system and optical switching method
03/27/2003US20030058885 Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service in local networks
03/27/2003US20030058520 Reconfigurable wavelength multiplexers and filters employing micromirror array in a gires-tournois interferometer
03/27/2003US20030058507 Optical transmitter and wavelength division multiplexing transmission system
03/27/2003US20030058505 Passive distribution of wavelengths in optical networks
03/27/2003US20030058504 Method and system for mitigating nonlinear transmission impairments in fiber-optic communications systems
03/27/2003US20030058500 Optical signal processing system
03/27/2003US20030058499 Method and system for optical time division multiplexed fiber communications with coherent detection
03/27/2003US20030058497 All-optical switching sites for an agile optical network
03/27/2003US20030058496 Topology discovery in optical WDM networks
03/27/2003US20030058495 CS-RZ optical clock signal generator, and a resynchronized optical multiplexer containing such a generator
03/27/2003US20030058494 Control of parameters in a global optical controller
03/27/2003CA2462578A1 Improvements in or relating to signal transmission in an optical system
03/27/2003CA2460581A1 Allocation of bit streams for communication over multi-carrier frequency-division multiplexing (fdm)
03/26/2003EP1296470A2 Optical transmission systems using optical amplifiers and wavelength division multiplexing
03/26/2003EP1296423A1 Optical amplifier device
03/26/2003EP1295424A2 Polarization division multiplexer
03/26/2003EP1295423A2 Apparatus and method for demultiplexing a time multiplexed signal
03/26/2003EP1295422A1 Arrangement and method relating to switched telecommunications
03/26/2003EP1295416A2 Method for determining the optimum pre-compensation in an optical transmission system
03/26/2003EP1295413A1 Reflectometer with non - reciprocal optical components
03/26/2003EP1295369A1 Wavelength selectable fiber laser system
03/26/2003CN2541856Y Power balance multiband optical fiber laser array
03/26/2003CN1406342A Circularly polarized fiber in optical circuits
03/26/2003CN1406022A Daisy chain wave-division shared apparatus and daisy chain wave-division multiplexing system and transmission network
03/26/2003CN1406021A Channel distribution device of optical monitoring channel-unit in wave-division multiplexing system
03/26/2003CN1406020A Integrated de-multiplexer for use in sparse wave-division multiplexer
03/26/2003CN1406019A Controller for controlling changeable light attenuator
03/26/2003CN1406018A Controller for controlling changeable light attenuator
03/26/2003CN1406017A Controller for controlling changeable light attenuator
03/26/2003CN1406016A Controller for controlling changeable light attenuator
03/26/2003CN1406014A OCDM detection apparatus
03/26/2003CN1405996A Frequency distribution plan having shared signals on left and right with filtration and transmission system thereof
03/25/2003US6539148 Channel equalizer with acousto-optic variable attenuators
03/25/2003US6539145 Module for multiplexing and/or demultiplexing optical signals
03/25/2003US6539109 Imaging system
03/25/2003US6538803 Optical amplifier and optical wavelength division multiplexing communication system
03/25/2003US6538783 Optical systems including add drop devices and methods
03/25/2003US6538782 Light branching/inserting apparatus and light branching apparatus using wavelength selection filter
03/25/2003US6538781 Multimedia distribution system using fiber optic lines
03/25/2003US6538777 Method for establishing connections by allocating links and channels
03/20/2003WO2003024011A2 Optical performance monitor
03/20/2003WO2003024010A1 Wdm network node module
03/20/2003WO2002075990A3 Add/drop multiplexer based on a dual core fiber comprising means for optimizing a connection
03/20/2003WO2002018985A3 Optical filter having a shaped filter function
03/20/2003US20030056227 Cable television system with digital reverse path architecture
03/20/2003US20030053752 System and method for controlling spectral passband profile
03/20/2003US20030053749 Wavelength router
03/20/2003US20030053748 DC WDM device and DC WDM system and transmission network using the same
03/20/2003US20030053493 Allocation of bit streams for communication over-multi-carrier frequency-division multiplexing (FDM)
03/20/2003US20030053484 Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service
03/20/2003US20030053476 Mapping of bit streams into MPEG frames
03/20/2003US20030053194 Methods and systems for high performance, wide bandwidth optical communication systems using raman amplification
03/20/2003US20030053193 Noise figure measuring system for optical amplifier
03/20/2003US20030053180 Methods of optical communication and optical communication systems
03/20/2003US20030053176 Passive optical network system for effectively utilizing communication bandwidth
03/20/2003US20030053175 Dynamically reconfigurable optical smart node
03/20/2003US20030053173 Wavelength dependent optical attenuator and variable attenuation profile controller
03/20/2003US20030053171 Optical configuration, in particular for bidirectional WDM systems, and a transceiving module for bidirectional optical data transmission
03/20/2003US20030053168 Channel allocation apparatus of OSU in WDM system
03/20/2003US20030053166 Method and apparatus of transmitting several digital signals over a common optical fiber
03/20/2003US20030053163 Analogous channel method for performance monitoring and equalization in optical networks
03/19/2003EP1294118A1 Data transmission system
03/19/2003EP1293813A1 Multiple grating optical wavelength monitor
03/19/2003EP1293057A1 Wdm signal monitoring
03/19/2003CN1404254A Expandable multicasting light exchange structure with light-regulating shunt
03/19/2003CN1404253A Temperature-insensitive integrated wavelength division multiplexer
03/19/2003CN1403865A Intelligent erbium-doped fiber amplifier
03/19/2003CN1403864A Dynamic adjustable optical add and drop multiplexer module
03/19/2003CN1403840A Optical circulator and its polarized light circulating device
03/19/2003CN1103454C Single mode optical fibre
03/18/2003US6535715 Hybrid/fiber coax video and telephony communication system with poly-phase filtering
03/18/2003US6535675 Optical fiber having a chromatic dispersion slope that is shallow
03/18/2003US6535665 Acousto-optic devices utilizing longitudinal acoustic waves
03/18/2003US6535661 Optical signal processing method and optical signal processing apparatus
03/18/2003US6535660 Raman-amplified optical transmission system
03/18/2003US6535335 Optical polarization encoder
03/18/2003US6535313 Dynamically assignable optical signal access control apparatus
03/18/2003US6535312 Versatile optical switching for wavelength-division multiplexed system
03/18/2003US6535309 Optical multiplexing/demultiplexing apparatus and optical multiplexing/demultiplexing method
03/18/2003US6535289 System and method for optical heterodyne detection of an optical signal
03/13/2003WO2003021836A1 Compact wavelength filter using optical birefringence and reflective elements
03/13/2003WO2003021835A2 Technique for channel count and power control in optical networks
03/13/2003WO2003021823A2 Ring network made using a dual optical data bus
03/13/2003WO2003021341A2 Optical processing
03/13/2003WO2003021316A1 Free-space wavelength routing systems with interleaved channels
03/13/2003WO2002093221A3 Integrated optical ring resonators for optical signal analysis
03/13/2003WO2002087091A3 Burst-mode digital transmitter
03/13/2003WO2002033466A3 Optical serial link
03/13/2003WO2001095537A3 Athermalization and pressure desensitization of diffraction grating based wdm devices
03/13/2003US20030048977 Dispersion-compensated optical fiber amplifier
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