Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
03/2006
03/08/2006CN1745530A Wavelength multiplex transmission system
03/08/2006CN1745529A Optical communication network system
03/08/2006CN1744483A Large bandwidth optical parametric amplifier
03/08/2006CN1744482A Comb type wave filter
03/08/2006CN1744474A Chromatic dispersion compensating apparatus
03/08/2006CN1744471A Modulation with low cross-talk in optical transmission
03/08/2006CN1744469A Light communication system and illumination apparatus therefor
03/08/2006CN1744468A Wavelength-division multiplexing optical transmitter
03/08/2006CN1744448A Dual-fiber optical multiplexing section sharing protective ring protecting method and its node device
03/07/2006US7010233 Interface device for a fiberoptic communication network and methods of using such a device
03/07/2006US7010230 Integrated high-speed multiple-rate optical-time-division-multiplexing module
03/07/2006US7010229 Optical transmission systems including optical amplifiers and methods
03/07/2006US7010228 Optical add-drop multiplexer
03/07/2006US7010227 Optical/radio local access network
03/07/2006US7010226 Packet router for use in optical transmission networks
03/07/2006US7010211 Fiber optical attenuator
03/07/2006US7010189 Optical monitoring apparatus for use in wavelength division multiplexing network
03/07/2006US7010180 System and method for multi-channel mitigation of PMD/PDL/PDG
03/07/2006US7009770 Multi-functional optical device utilizing multiple polarization beam splitters and non-linear interferometers
03/07/2006US7009693 Gain profile measuring method and system and gain profile controlling method and system
03/02/2006US20060045532 Optical communication apparatus, optical communication system and method for transmitting optical signal
03/02/2006US20060045529 System and method for optical transmission
03/02/2006US20060045528 System and method for modularly scalable architecture for optical networks
03/02/2006US20060045527 Multiplexing communication system and crosstalk elimination method
03/02/2006US20060045526 Optical communication system
03/02/2006US20060045525 Optical access network of wavelength division method and passive optical network using the same
03/02/2006US20060045524 Optical access network of wavelength division method and passive optical network using the same
03/02/2006US20060045522 High speed semiconductor waveguide phase-shifter
03/02/2006US20060045521 High-power, multiple output amplifier in a passive optical network
03/02/2006US20060045520 Wavelength-division multiplexing optical transmitter
03/02/2006US20060045519 Dual homing for DWDM networks in fiber rings
03/02/2006US20060045081 Data multiplexing method, field programmable gate array, and optical network
03/02/2006US20060045054 Wireless communication system
03/02/2006US20060044652 Light communication system and illumination apparatus therefor
03/02/2006US20060044646 Optical amplification device, raman amplifier, optical wavelength-division multiplex transmission system and optical wavelength-division multiplex transmission method
03/01/2006EP1630993A1 Cdma transmitting apparatus and cdma transmitting method
03/01/2006EP1630992A2 System and method for modularly scalable architecture for optical networks
03/01/2006EP1630982A1 Signal waveform deterioration compensator
03/01/2006EP1629616A1 A communications system
03/01/2006EP1629347A2 Computing a path for an open ended uni-directional path protected switched ring
03/01/2006EP1222762B1 Optical access telecommunication network
03/01/2006CN2762445Y Mixed multi-density wavelength division multiplex
03/01/2006CN1742453A Output stage for carrying out WDM message transmission and methods for exchanging full light sources in an output stage of this type
03/01/2006CN1741434A Method and apparatus for monitoring wave divided multiplexing system to increase and reduce channel
03/01/2006CN1741433A Optical access network of wavelength division method and passive optical network using the same
03/01/2006CN1741432A Optical code division multiplexing communication method and system,coding device and decoding device
03/01/2006CN1741429A Method and apparatus for realizing low-speed signal transparent transmission in optical transmission network
03/01/2006CN1741326A Ring cavity single-longitudinal mode erbium doping optical fibre laser
03/01/2006CN1741325A Optical amplification device, Raman amplifier, optical wavelength-division multiplex transmission system and optical wavelength-division multiplex transmission method
03/01/2006CN1244207C Method and equipment for minimizing total dispersion of optical signal
03/01/2006CN1243996C Method for manufacturing low double-refraction optical-fiber grating
03/01/2006CN1243995C Photo passive device adopting multilayer optical waveguide and basing on array waveguide waveguide interference device
02/2006
02/28/2006US7006771 Optical communication apparatus and optical add/drop apparatus
02/28/2006US7006767 System for transparent node for WDM shared “virtual ring” networks
02/28/2006US7006766 Demultiplexer control system
02/28/2006US7006765 Optical network monitor
02/28/2006US7006727 Combined multiplexer and demultiplexer for optical communication systems
02/28/2006US7006726 Method and apparatus for optical division of a broadband signal into a plurality of sub-band channels
02/28/2006US7006723 Optical add/drop multiplexer
02/28/2006US7006281 Shared variable gain amplifier for WDM channel equalization
02/28/2006US7006278 Wavelength-division multiplexing optical transmission system and repeater station therein
02/23/2006WO2006020538A2 Countermeasures for idle pattern srs interference in ethernet optical network systems
02/23/2006WO2006019216A1 Optical transmission system of ring type
02/23/2006WO2006018831A1 Method and system for hybrid protection in optical networks
02/23/2006WO2005016586A3 Methods of link processing using lasers
02/23/2006US20060039705 Technique for photonic switching
02/23/2006US20060039703 Wavelength division multiplexing optical transmission system
02/23/2006US20060039702 Automatic shutdown system and method for optical multiplexers and demultiplexers
02/23/2006US20060039701 Optical code division multiplexing communication method and system
02/23/2006US20060039700 Passive optical network
02/23/2006US20060039699 Countermeasures for idle pattern SRS interference in ethernet optical network systems
02/23/2006US20060039357 Optical communication system capable of providing analog telephone service
02/23/2006DE10360607B4 Verfahren und Anordnung zum Einfügen von Füllsignalen Method and apparatus for inserting Füllsignalen
02/23/2006DE102005034417A1 Signaling method for quick adjustment in the tilt of a wavelength multiplex signal uses pumping lasers feeding their pumping signals into fiber optical wave-guides
02/23/2006CA2577249A1 Method and system for hybrid protection in optical networks
02/23/2006CA2576944A1 Countermeasures for idle pattern srs interference in ethernet optical network systems
02/23/2006CA2573981A1 A private and secure optical communication system using an optical tapped delay line
02/22/2006EP1628424A2 Optical add/drop multiplexer
02/22/2006EP1628423A1 Optical wavelength multiplex access system
02/22/2006EP1628417A2 Wavelength division multiplexing optical transmission system with dispersion compensation
02/22/2006EP1627485A2 Optical ring network with selective signal regeneration and wavelength conversion
02/22/2006EP1627484A2 Method and system for determining the gain for an optical signal
02/22/2006EP1627483A1 A method for conveying management information
02/22/2006CN1738220A Method for realizing eyes protection in optical communication system
02/22/2006CN1738214A Inter-board channel protection device and method
02/22/2006CN1738213A Method for preventing error connection
02/22/2006CN1737619A Optical duplexer and optical triplexer
02/21/2006US7003231 Method and apparatus for interleaved optical single sideband modulation
02/21/2006US7003229 Method for optimizing the sequence of passive filter configuration in optical mux/demux devices for wavelength division multiplex transmission systems and optical passive filter system obtained with that method
02/21/2006US7003228 Method and apparatus for improved high-speed adaptive equalization
02/21/2006US7003227 Node structure of upgradable wavelength division multiplexing system
02/21/2006US7003226 Wavelength division multiplex optical transmission system
02/21/2006US7003225 Survivable ring transmission system with multiple protection classes
02/21/2006US7002968 Transport system and transport method
02/21/2006US7002898 Asymmetrical transport of data
02/21/2006US7002680 Method and apparatus for measuring waveforms and wavelengths of optical signals
02/21/2006CA2351713C Codes, methods, and apparatus for optical encoding and decoding
02/16/2006WO2005076876A3 Optical combiner device
02/16/2006US20060036831 Multiprocessor
02/16/2006US20060034610 Optical add/drop multiplexer