Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
11/2003
11/25/2003US6654379 Integrated ring-mesh network
11/20/2003WO2003096584A1 Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal
11/20/2003WO2003096583A1 Method and device for tunable frequency selective filtering of optical signals
11/20/2003WO2003043177A3 Agile spread waveform generator and photonic oscillator
11/20/2003WO2003019839A3 Architectural arrangement for core optical networks
11/20/2003US20030215244 Optical communication system, signal relay apparatus and optical communication connector
11/20/2003US20030215241 Raman optical fiber amplifier using erbium doped fiber
11/20/2003US20030215239 Interleaving bi-directional optical add/drop multiplexer
11/20/2003US20030215238 WDM optical network with passive pass-through at each node
11/20/2003US20030215237 Wavelength-division multiplexing optical transmission system and optical communication method
11/20/2003US20030215236 Optical communication management systems
11/20/2003US20030215233 Wavelength division multiplexing optical communication system
11/20/2003US20030215232 Intelligent optical network element
11/20/2003US20030215231 Optical transmission systems including optical protection systems, apparatuses, and methods
11/20/2003US20030215179 Programmable optical add/drop multiplexer
11/20/2003US20030215178 Bidirectional wavelength cross connect architectures using wavelength routing elements
11/20/2003US20030215175 Method and apparatus for a field upgradable re-configurable optical add/drop switch
11/20/2003US20030214980 Optical demultiplexer and optical transmission system
11/20/2003US20030214698 Optical modulation/multiplexing circuit
11/20/2003US20030214447 Antenna system
11/19/2003EP1363426A1 Multiplexing relay transmission device
11/19/2003EP1363420A2 Optical modulation/multiplexing circuit
11/19/2003EP1363419A2 Interleaving bi-directional optical add/drop multiplexer
11/19/2003EP1363352A1 Vehicle antenna system with fiber-optic signal transmission
11/19/2003EP1362443A1 Regulating radiation component power in wavelength division multiplexed optical communication systems
11/19/2003EP0908034B1 Optical transmission systems using optical amplifiers and wavelength division multiplexing
11/19/2003CN2586973Y Broad band light source device
11/19/2003CN1457538A Gain control and shaping of EDFAS via dual cavity gain control
11/19/2003CN1456932A Dynamic feedback regulating and controlling method for power and gain chart of optical fibre Raman amplifier
11/19/2003CN1456923A Piezo driven F-P chamber tunable optical filters and manufacture thereof
11/19/2003CN1456911A Light division multiplexer made of monopiece lithium niobate crystal
11/19/2003CN1456910A Optical structure for raising supression ratio and fineness of F-P chamber style tunable filter
11/19/2003CN1456909A Interconnected optical fibre network systems
11/18/2003US6650809 Multiple band optical multiplexer and demultiplexer
11/18/2003US6650800 Time slot tunable all-optical packet data demultiplexer
11/18/2003US6650529 Inductor and method of manufacturing same
11/18/2003US6650449 Method and device for network protection
11/13/2003WO2003094398A1 Optical transport system architecture for remote terminal connectivity
11/13/2003WO2003069810A3 Optical fiber communication systems with brillouin effect amplification
11/13/2003WO2003063399A3 Method of seamless migration from static to agile optical networking
11/13/2003WO2003026144A3 Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service in local networks
11/13/2003WO2002087126A3 Optically interconnecting multiple processors
11/13/2003WO2002069540A9 Method and system for a bi-directional path switched network
11/13/2003WO2002054642A9 High density reconfigurable optical multiplexer
11/13/2003US20030212829 System, device, and method for managing communication services in an optical communication system
11/13/2003US20030212812 Multi-priority media access control method for multi-channel slotted ring networks
11/13/2003US20030210915 Optical communication apparatus and optical add/drop apparatus
11/13/2003US20030210909 Optical communications networks utilizing frequency division multiplexing
11/13/2003US20030210860 Method and device for tunable frequency selective filtering of optical signals
11/13/2003US20030210730 Solid-state laser and optical transmitter
11/13/2003US20030210456 Optical Transmission apparatuses, methods, and systems
11/12/2003EP1360844A2 Method and apparatus for improving transmission performance over wavelength division multiplexed optical communication links using forward error correction coding
11/12/2003EP1360790A2 Optical transmission systems including optical protection systems, apparatuses, and methods
11/12/2003CN2586176Y Scissor type packer of fiber glass raster
11/12/2003CN1455881A Network for distribution of signal to multiple user's equipments
11/12/2003CN1455540A Partial wave multiplexer packaging method capable of reducing inserting loss and reflection loss
11/12/2003CN1455530A Method for protecting data signals being transmitted by passing optical conductor
11/12/2003CN1455277A Light interleaving device, light deinterleaving device, interleaving light signal and deinterleaving light signal method
11/12/2003CN1455276A Optical mixer including four isolated end port
11/12/2003CN1127824C Arrangement and method relating to optical transmission
11/11/2003US6647211 Remote control device of acousto-optic tunable filter and optical transmission system containing equalizer using acousto-optic tunable filter and optical transmission system containing optical add/drop multiplexer using acousto-optic tunable filter
11/11/2003US6647209 Multiplexer and demultiplexer for single mode optical fiber communication links
11/11/2003US6646795 Optical amplifier
11/11/2003US6646792 Light amplifier and light transmission system using the same
11/11/2003US6646791 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
11/06/2003WO2003091778A1 Variable wavelength attenuator for spectral grooming and dynamic channel equalization using micromirror routing
11/06/2003WO2003091760A2 Opto-electronic ultra-wideband signal waveform generator and radiator
11/06/2003WO2003021823A3 Ring network made using a dual optical data bus
11/06/2003WO2002089367A3 Multi-function optical performance monitor
11/06/2003US20030208779 System and method for transmitting digital video over an optical fiber
11/06/2003US20030206743 Cross connecting device and optical communication system
11/06/2003US20030206741 Intelligent wavelength division multiplexing systems based on arrays of wavelength tunable lasers and wavelength tunable resonant photodetectors
11/06/2003US20030206740 Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source
11/06/2003US20030206692 Optical transmission system and optical coupler/branching filter
11/06/2003US20030206691 High speed data link and transmitter in the mid-infrared wavelength range
11/06/2003US20030206689 Apparatus for monitoring optical frequencies of WDM signals
11/06/2003US20030206684 Optical cross-connect device and optical network
11/06/2003US20030206552 Simplified control of a transmission network element handling both SDH and OTH signals for signals passing both SDH and OTH parts
11/05/2003EP1359693A2 Method for protecting data signals that are transmitted over optical fibers
11/05/2003EP1359692A1 Optical (de)multiplexing structure and method of (de)multiplexing optical signals
11/05/2003EP1359691A1 Optical interleaver and deinterleaver
11/05/2003EP1359444A1 Bragg grating assisted waveguide coupler optical add/drop multiplexer
11/05/2003EP1359442A1 Apodised complex filter
11/05/2003CN2585502Y Broad pass-band, low crosstalk wave division multiplexer using air-trough graduated output waveguide
11/05/2003CN2585251Y Electric adjustable optical attenuator
11/05/2003CN2585249Y Fresnel holography and condensed type wave division multiplexer and its mfg. equipment
11/05/2003CN1454418A Optical clock signal distribution system in WDM network
11/05/2003CN1453952A Flat wavelength division multiplexing device
11/05/2003CN1453945A Method and equipment for duplex communication in mixed optical fiber-radio system
11/05/2003CN1453602A Wideband adjustable dispersion compensating method
11/05/2003CN1453599A Silicon-base integrated photon device and its manufacture
11/05/2003CN1127234C Light monitoring channel apparatus, system and implementation method for wave divided multiplexing light transmission system
11/04/2003US6643470 FM signal converter, FM signal optical transmitter and FM signal optical receiver
11/04/2003US6643468 Optical communication system, optical transmitting apparatus, optical receiving apparatus, optical communication method, and storage medium
11/04/2003US6643463 Optical wavelength division multiplexing transmission network system using transmitting/receiving apparatuses having 2-input and 2-output optical path switching elements
11/04/2003US6643063 Deinterleaver with high isolation and dispersion compensation and 50/200GHz interleaver and deinterleaver
11/04/2003US6643055 Optical amplifier control
11/04/2003US6643042 Optical communication network node
11/04/2003US6643041 Optical network
11/04/2003US6642872 Optical code converter for optical code division multiplex system