Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
10/2006
10/12/2006US20060228117 Optical transmission device and optical transmission system
10/12/2006US20060228115 Add/drop multiplexer for OTN/DWDM rings utilizing a pair of muxponders
10/12/2006US20060228114 Wavelength-selective routing using an optical add/drop architecture
10/12/2006US20060228113 Passive optical network unit management and control interface support for a digital subscriber line network
10/12/2006US20060228112 System and method for transmission and reception of traffic in optical light-trails
10/12/2006US20060227412 Amplified optical ring transmission system
10/11/2006EP1710939A1 (D)WDM communication network with protected light sources
10/11/2006EP1710938A1 CDMA encoder-decoder, CDMA communication system, WDM-CDMA communication system
10/11/2006EP1709468A2 Integrated optical multiplexer and demultiplexer for wavelength division transmission of information
10/11/2006EP1086539B1 An optical wdm network having an efficient use of wavelengths and a node therefor
10/11/2006CN2826841Y Integrated optical wavelength-division multiplex detector
10/11/2006CN1845485A System realization method for optical fibre access mixed network
10/11/2006CN1845484A Structure of realizing ROADM and method for manufacturing same
10/11/2006CN1279713C Non-blocking expansion method of three-level Clouse matrix
10/11/2006CN1279708C 光传输系统 The optical transmission system
10/11/2006CN1279664C Tunable single longitudinal mode optical-fiber laser for clearing beat frequency noise
10/11/2006CN1279663C Optical amplifier of amplifying multiple wave length light
10/11/2006CN1279398C Raman amplifier with raised gain resulted from wave-filtering and optical transmission system
10/11/2006CN1279386C Piezoelectric driven F-P chamber tunable optical filters and manufacture thereof
10/11/2006CN1279379C Double micro mirror 2*2 array MEMS optical switch
10/10/2006US7120364 Optical modulator and method for polarization bit interleaving
10/10/2006US7120361 Wavelength tunable multiplexing and demultiplexing filter device and wavelength routing device
10/10/2006US7120359 Broadcast and select all optical network
10/10/2006US7120358 Optical packet routing network system based on optical label switching technique
10/10/2006US7120357 WDM device, client device, network, system and method for allocating wavelength of WDM to a client signal
10/10/2006US7120356 Connection verification for optical switches
10/10/2006US7120334 Optical resonator formed in a planar optical waveguide with distributed optical structures
10/10/2006US7120330 Apparatus for forming a WDM signal having orthogonally polarized optical channels
10/10/2006US7119950 Amplification method and optical amplifier for wavelength division multiplexed signal light
10/10/2006CA2396605C Interconnecting processing units of a stored program controlled system using space division multiplexed free space optics
10/05/2006WO2006103181A1 Adaptive ont for a pon network
10/05/2006WO2005081921A3 Temperature control for coarse wavelength division multiplexing systems
10/05/2006WO2004070457B1 Multiport optical amplifier with narrowcast power equalization
10/05/2006US20060222371 Optical communication system, transmission deterioration compensation method, optical transmission system, and optical receiver system
10/05/2006US20060222367 Optical transmission apparatus
10/05/2006US20060222366 Optical transmission apparatus
10/05/2006US20060222365 SCM-PON using WDM
10/05/2006US20060222364 Fault localization apparatus for optical line in wavelength division multiplexed passive optical network
10/05/2006US20060222363 Drop-and-continue device
10/05/2006US20060222361 Optical packet switching system
10/05/2006US20060221435 Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system
10/05/2006US20060219870 Optical switch apparatus and optical switching system
10/04/2006EP1708397A2 Wavelength division multiplexing transmission device
10/04/2006EP1708391A1 Method and apparatus for improving dual-polarization optical communication performance
10/04/2006EP1708389A1 Optical communication system, PMD precompensation method, optical transmission station, and opitcal receiver station
10/04/2006EP1706972A1 Ultra-wideband communication through twisted-pair wire media
10/04/2006EP1530839A4 A system and method for increasing bandwith efficiency and throughput of a data transmission network
10/04/2006EP1269663A4 A communications network architecture
10/04/2006EP1190517A4 Communication systems and apparatus with synchronous orthogonal coding
10/04/2006CN2824370Y Ring cavity single longitudinal mode erbium doped optical fiber laser
10/04/2006CN1842984A Use of polarization for differentiation of information
10/04/2006CN1841981A Wavelength division multiplexing transmission device
10/04/2006CN1841969A Optical communication system, transmission deterioration compensation method, optical transmission system, and optical receiver system
10/04/2006CN1841968A Optical transmission apparatus
10/04/2006CN1841174A Optical amplifier for amplifying multi-wavelength light
10/04/2006CN1278506C Optically amplified back-up receiver system and method for back-up optical communication path
10/04/2006CN1277886C Waveguide tube and composition
10/03/2006US7116914 Optical signal regenerator
10/03/2006US7116908 Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio
10/03/2006US7116906 Wireless optical system for high bandwidth communications
10/03/2006US7116905 Method and system for control signaling in an open ring optical network
10/03/2006US7116904 Optical communications system
10/03/2006US7116876 Optical fiber for metro network
10/03/2006US7116874 Enhanced supercontinuum generation in highly nonlinear fibers using strong bragg gratings
10/03/2006US7116861 Method of monitoring and controlling the bit error rate (BER) in an optical communication network
10/03/2006US7116851 Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving performance
10/03/2006CA2425204C Linear wavelength dwdm
10/03/2006CA2366250C Wdm optical communication system using co-propagating raman amplification
10/03/2006CA2165119C Antiresonant waveguide apparatus for periodically selecting a series of at least one optical wavelength from an incoming light signal
09/2006
09/28/2006WO2006031340A3 System and method for spectral loading an optical transmission system
09/28/2006US20060216041 Optical signal receiver, optical signal monitoring unit, and optical signal monitoring method
09/28/2006US20060216031 Discretely ITU-T channel grid wavelength tunable single longitudinal mode erbium-doped fiber ring laser
09/28/2006US20060216030 Optical add-drop multiplexer
09/28/2006US20060216029 Method and system for improving upstream efficiency in extended broadcasting networks
09/28/2006US20060216028 Wavelength division multiplexing transmission system, wavelength division multiplexing transmission apparatus and method for controlling wavelength division multiplexing transmission apparatus
09/28/2006US20060216027 Wavelength division multiplexing transmission apparatus using a multiple wavelength light source
09/28/2006US20060216026 Wavelength division multiplexing transmission device
09/28/2006US20060215960 Optical demultiplexing device and optical monitoring device
09/28/2006US20060215956 Encoder/decoder for optical CDMA
09/27/2006EP1705819A2 Wavelength division multiplexing transmission apparatus using a multiple wavelength light source
09/27/2006EP1705813A1 An optical service agent for managing communication services in an optical communication system
09/27/2006EP1704688A1 Method for the optimised transmission of data bursts between an emitted and a received network node
09/27/2006EP1704662A1 Device for temporal subsampling of an otdm optical signal, otdm-wdm converter comprising same and otdm-wdm converter
09/27/2006EP1382203A4 Burst-mode digital transmitter
09/27/2006CN2822040Y Light module for light line terminal
09/27/2006CN1839576A Generating sets of tailored laser pulses
09/27/2006CN1839575A Easily configurable and expandible modular type node structure for an optical communication network
09/27/2006CN1839013A Methods for link processing using laser
09/27/2006CN1838576A Wavelength division multiplexing transmission apparatus using a multiple wavelength light source
09/27/2006CN1838548A Passive optical network backup protection device
09/27/2006CN1837869A Polarized non-sensitive array waveguide grating
09/26/2006US7113709 Redundant WDM transmission system optical receiver with reduced variable optical attenuators and/or variable dispersion compensation modules
09/26/2006US7113706 Systems and methods for placing line terminating equipment of optical communication systems in customer points of presence
09/26/2006US7113705 Methods and apparatus for sensing multiple wavelengths simultaneously in a single wavelength sensing device
09/26/2006US7113704 Tunable add/drop node for optical network
09/26/2006US7113703 Optical transmission system and optical transmission device
09/26/2006US7113702 Wavelength division multiplexing optical transmission system and transmission method
09/26/2006US7113701 Optical packet routing network system based on optical label switching technique
09/26/2006US7113700 Optical transmission system
09/26/2006US7113667 FEC enhanced system for an optical communication network