Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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10/25/2011 | US8045853 Mechanism for tracking wavelengths in a DWDM network without specialized hardware |
10/25/2011 | US8045852 Channel balancing algorithm |
10/25/2011 | US8045851 Method and apparatus for automatic restoration detection and automatic restoration of optical communication system |
10/25/2011 | US8045259 Active optical fibers with wavelength-selective filtering mechanism, method of production and their use |
10/25/2011 | US8045258 Method for regulating OSNR in a fiber optic communication line using Raman amplification |
10/25/2011 | US8045174 Assessing a network |
10/25/2011 | CA2601485C Distribution module for an optic fiber distribution hub |
10/25/2011 | CA2480944C Movable mirror device and dispersion compensator |
10/25/2011 | CA2437877C Adjustable dispersion compensator with few mode fibers and switchable mode converters |
10/25/2011 | CA2432801C Increasing data throughput in optical fiber transmission systems |
10/21/2011 | CA2740209A1 Compensation of distortion from sbs/iin suppression modulation |
10/20/2011 | WO2011130641A1 Electrically-adaptive dspk and (d)mpsk receivers |
10/20/2011 | WO2011130600A2 Connectors and cables with an optical transmitter |
10/20/2011 | WO2011130472A2 Port mapping in fiber optic network devices |
10/20/2011 | WO2011130193A1 Electronic nonlinearity compensation for optical transmission systems |
10/20/2011 | WO2011130036A1 System and method for scheduling timeslots for transmission by optical nodes in an optical network |
10/20/2011 | WO2011129318A1 Communication system, station-side optical circuit terminating apparatus, user-side optical circuit terminating apparatus, control apparatus, and communication method |
10/20/2011 | WO2011129101A1 Optical amplifier |
10/20/2011 | WO2011127959A1 Method and device for transmission and reception of a polarization multiplexed optical signal |
10/20/2011 | WO2011127781A1 Method and device for improving performance of polarization controller |
10/20/2011 | WO2011127731A1 Registration activation method and system for optical network unit |
10/20/2011 | WO2011127722A1 Crossing capacity processing method for optical transport network (otn) equipment and otn equipment |
10/20/2011 | US20110255880 Ir receiving unit |
10/20/2011 | US20110255879 Electronic Nonlinearity Compensation For Optical Transmission Systems |
10/20/2011 | US20110255878 Bandpass component decimation and transmission of data in cable television digital return path |
10/20/2011 | US20110255877 Digital coherent receiver and receiving method |
10/20/2011 | US20110255876 Optical transmitter |
10/20/2011 | US20110255875 Dual rate qpsk/tcm-qpsk optical modulation |
10/20/2011 | US20110255874 Optical signal processing apparatus, optical receiving apparatus, and optical relay apparatus |
10/20/2011 | US20110255873 Optical Transceiver Modules and Systems and Optical Transceiving Methods |
10/20/2011 | US20110255872 Infrared control system |
10/20/2011 | US20110255871 Mode-Locked Optical Amplifier as a Source for a wdm-WDM Hierarchy Architecture |
10/20/2011 | US20110255866 System and method for scheduling timeslots for transmission by optical nodes in an optical network |
10/20/2011 | US20110255861 Method and Apparatus for Determining a Signal Transfer Characteristic Along a Light Path in an Optical Network |
10/20/2011 | US20110255860 Fault localization method and a fault localization apparatus in a passive optical network and a passive optical network having the same |
10/20/2011 | US20110255859 Method and system for providing fault recovery using composite transport groups |
10/20/2011 | US20110255621 Synchronized multipoint-to-point communication using orthogonal frequency division |
10/20/2011 | US20110255152 Optical amplifier |
10/20/2011 | US20110255151 Optical Network Amplifier Node and Method of Channel Power Depletion Compensation |
10/20/2011 | DE102011001935A1 Radio receiver i.e. ultra wide band radio receiver, for use in ultra wide band radio sensor network for e.g. detecting sensor data, has processing unit equipped such that spatial integrated correlation of reception signals takes place |
10/20/2011 | CA2794601A1 Port mapping in fiber optic network devices |
10/19/2011 | EP2378680A1 Optical network unit (ONU) having controllable optical output and method of controlling the optical output of an ONU |
10/19/2011 | EP2378679A1 Optical electric field transmitter and optical transmission system |
10/19/2011 | EP2169852B1 Device for realizing elongation of data transmission in a passive optical network |
10/19/2011 | EP2011257B1 Protection device for removal of signal interference in a passive optical network |
10/19/2011 | CN202014253U Optical module for asymmetrical 10 Gigabit EPON (Ethernet passive optical network) unit |
10/19/2011 | CN202014252U Single-fiber bidirectional analog signal optical communication device |
10/19/2011 | CN202014251U Self-luminous debugging system of optical network unit based on bosa on board (BOB) |
10/19/2011 | CN202014250U Optical module for symmetrical 10 gigabit EPON (Ethernet passive optical network) unit |
10/19/2011 | CN1918830B Method for regulating the pump power of an optical amplifier |
10/19/2011 | CN102224692A Visible ray communication system and method for transmitting signal |
10/19/2011 | CN102224691A Visible ray communication system, transmission apparatus, and signal transmission method |
10/19/2011 | CN102224690A Frequency offset polarization multiplexing modulation format and system incorporating the same |
10/19/2011 | CN102223585A Intelligent reconfigurable optical distribution frame and intelligent reconfigurable optical fiber communication system |
10/19/2011 | CN102223352A GPON (Gigabit Passive Optical Network) system and PPPoE (Point-to-point Protocol over Ethernet) configuration method for realizing same |
10/19/2011 | CN102223340A Terabit transmission rate coherent light orthogonal frequency division multiplexing (OFDM) system based on optical comb |
10/19/2011 | CN102223333A Bias point control method and device of DQPSK (Differential Quaternary Reference Phase Shift Keying) demodulator |
10/19/2011 | CN102223310A Parallel signaling based multi-cast recovery mechanism in distributed intelligent optical network |
10/19/2011 | CN102223282A Method for establishing virtual multi-Ethernet channel through optical fibre |
10/19/2011 | CN102223185A Method and system for determining topology structure of passive optical network |
10/19/2011 | CN102223184A Dispersion compensation method and device |
10/19/2011 | CN102223183A Non-relay optical fiber transmission system and method |
10/19/2011 | CN102223182A Control method and device for drive current |
10/19/2011 | CN102223181A Control method of electrical variable optical attenuator and optical attenuation system |
10/19/2011 | CN102223180A Optical module with low power consumption and realizing method thereof |
10/19/2011 | CN102223179A Method and device for configuring relay single plate |
10/19/2011 | CN102223178A Adjustable microwave millimeter wave generator for photonic crystal fiber |
10/19/2011 | CN102223177A Ultra-long distance optical communication system and ultra-long distance optical communication method based on single-photon detection |
10/19/2011 | CN102223176A Method and device for monitoring optical layer of passive optical network based on two-dimensional optical orthogonal code |
10/19/2011 | CN102223175A Method for optimizing receiving parts of high-speed optical module |
10/19/2011 | CN102223174A Optical module integrated with function of optical time domain reflectometer |
10/19/2011 | CN102223156A Hot backup matrix of NGB (Next Generation Broadcasting) optical network |
10/19/2011 | CN102222057A Infrared data association system and method for operating infrared data association (IrDA) module in same |
10/19/2011 | CN102221751A Method and device for improving performances of polarization controller |
10/19/2011 | CN102221727A Apodizing device and method for realizing single exposure |
10/19/2011 | CN102221375A Optical-fiber-circuit-based communication light source sensing system and method |
10/19/2011 | CN102221332A Fiber grating multi-point sensing device for unconsolidated strata as well as monitoring system and method |
10/19/2011 | CN101442385B Test device of digital communication error rate |
10/19/2011 | CN101442364B Light coherent receiver, frequency difference estimation apparatus and method for light coherent receiver |
10/19/2011 | CN101266379B High power optical apparatus employing large-mode-area, multimode, gain-producing optical fibers |
10/18/2011 | USRE42848 Information transmission system using light as communication medium, information transmission method, image pickup device, and computer programmed product |
10/18/2011 | US8041233 Adaptive equalization in coherent fiber optic communication |
10/18/2011 | US8041232 Optical transmitter and control method thereof |
10/18/2011 | US8041231 Supervisory controlling method and supervisory controlling system of optical repeater |
10/18/2011 | US8041230 System and method for optoelectrical communication |
10/18/2011 | US8041229 System and method for optoelectrical communication |
10/18/2011 | US8041228 Fiber optical transmission system, transmitter and receiver for DQPSK modulated signals and method for stabilizing the same |
10/18/2011 | US8041227 Apparatus and method for near-field communication |
10/18/2011 | US8041226 Optical transceiver with equalizing function and a method to setup the optical transceiver |
10/18/2011 | US8041225 Contactless infrared data transmission for wind turbines |
10/18/2011 | US8041224 Optical frequency division multiplexed communications over the horizon |
10/18/2011 | US8041223 Method and apparatus for establishing system delay time and frame length in time division duplexing system |
10/18/2011 | US8041222 Radio over fiber link apparatus of time division duplex scheme |
10/18/2011 | US8041221 Method and apparatus for coupling optical signal with packaged circuits via optical cables and lightguide couplers |
10/18/2011 | US8041220 Remote control device and remote control system |
10/18/2011 | US8041216 System and method for channel-adaptive error-resilient burst mode transmission |
10/18/2011 | US8041214 Photonic network packet routing method and packet router for photonic network |
10/18/2011 | US8041212 Method and arrangements for determining the optical signal-to-noise ratio for an optical transmission system |
10/18/2011 | US8041211 Optical signal quality monitoring apparatus and method |
10/18/2011 | US8041169 Optical signal processing device |