Patents for H04J 14 - Optical multiplex systems (27,009) |
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10/06/2004 | CN1170382C Optical device for optical communication terminal station and manufacturing method therefor |
10/05/2004 | US6801720 Optical signal quality supervisory device |
10/05/2004 | US6801686 Methods and apparatus for measuring the power spectrum of optical signals |
10/05/2004 | US6801548 Channel ordering for communication signals split for matrix switching |
10/05/2004 | US6801310 Liquid crystal modulator and polarization diversity optics for optical communications |
10/05/2004 | CA2315989C Fast gain control for optical amplifiers |
09/30/2004 | WO2004084504A1 Optical cross-connect equipment and method for controlling optical communication |
09/30/2004 | WO2004084446A2 Shared path protection method and system |
09/30/2004 | US20040190905 Optical transmission system and apparatus |
09/30/2004 | US20040190904 Wavelength selection module comprising variable wavelength selecting section for selecting a plurality of wavelengths |
09/30/2004 | US20040190903 Wavelength allocation method of signal light, and optical transmission apparatus and wavelength division multiplexing optical transmission system using the method |
09/30/2004 | US20040190902 WDM network system and WDM node for use therein |
09/30/2004 | US20040190901 Bi-directional optical network element and its control protocols for WDM rings |
09/30/2004 | US20040190900 Optical network, optical network transmission apparatus, distributed routing control method used for the apparatus, and recording medium which records program for the method |
09/30/2004 | US20040190899 Quality monitoring method and apparatus for wavelength division multiplexed optical signal and optical transmission system using the same |
09/30/2004 | US20040190896 Multi-directional optical branching apparatus |
09/30/2004 | US20040190823 Optical filtering method and apparatus |
09/30/2004 | US20040190821 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 |
09/30/2004 | US20040190820 Optical transmission equipment with dispersion compensation, and dispersion compensating method |
09/30/2004 | US20040190595 Method and apparatus for controlling a frequency hopping laser |
09/30/2004 | US20040190125 Optical amplifier for amplifying multi-wavelength light |
09/30/2004 | US20040190123 Optical transmission apparatus |
09/30/2004 | US20040190121 Optical amplifier |
09/30/2004 | US20040190120 Raman amplifier and optical transmission system using the same |
09/29/2004 | EP1463224A2 Wavelength division multiplexing transmission system |
09/29/2004 | EP1463223A1 Method for optimizing the sequence of passive filter configuration in optical multiplexing /demultiplexing devices |
09/29/2004 | EP1463218A1 Optical filtering method and apparatus |
09/29/2004 | EP1461886A1 Noise reduction in optical communications networks |
09/29/2004 | CN1533080A Two-way add and drop multiplexer module |
09/29/2004 | CN1533079A Automatic control method and device for multiple pump Raman amplifier gain |
09/29/2004 | CN1533078A Wave division multiplex device and its producing method |
09/29/2004 | CN1533077A Active planar wave guide line combining device |
09/29/2004 | CN1533076A Integrated device of output wave from adjust table dense wave division multiplexing system |
09/29/2004 | CN1533060A Optical net, optical net transmitter, distributive route selection control method for said device |
09/28/2004 | US6798993 WDM optical networks arranged for internetworking with packet networks |
09/28/2004 | US6798991 Optical communication systems, optical communication system terminal facilities, optical communication methods, and methods of communicating within an optical network |
09/28/2004 | US6798965 Low loss fiber optic jumper with electronic presence detection |
09/28/2004 | US6798951 Wavelength router with a transmissive dispersive element |
09/28/2004 | US6798936 Optical switching system and optical switching method |
09/28/2004 | US6798773 Physically scoped multicast in multi-access networks |
09/28/2004 | US6798567 Method and apparatus for controlling power transients in an optical communication system |
09/28/2004 | US6798565 Method and arrangement for compensating for cross phase modulation |
09/23/2004 | WO2004082208A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
09/23/2004 | WO2004082183A1 Add-drop device and cross-connect device for wavelength multiplex signals |
09/23/2004 | WO2004082086A1 Method of manufacturing and aligning an etalon |
09/23/2004 | US20040184819 Upgraded optical communication system with increased transmission capacity and method |
09/23/2004 | US20040184814 Wavelength division multiplexing optical repeating transmission method and repeating apparatus |
09/23/2004 | US20040184812 Light branching apparatus and optical communication system using the same |
09/23/2004 | US20040184809 Optical transmission apparatus and an optical wavelength multiplex network therewith |
09/23/2004 | US20040184808 Wavelength selector for optical application |
09/23/2004 | US20040184807 Wavelength converter and wavelength division multiplexing transmission method using same |
09/23/2004 | US20040184806 Wavelength division multiplexing-passive optical network capable of integrating broadcast and communication services |
09/23/2004 | US20040184805 Method for maintaining mode-locked state of fabry-perot laser irrespective of temperature change and WDM light source using the same method |
09/23/2004 | US20040184804 All optical multiplexer |
09/23/2004 | US20040184750 All optical logic gates |
09/23/2004 | US20040184732 Integrated optical multiplexer and demultiplexer for wavelength division transmission of information |
09/23/2004 | US20040184723 Multi-channel optical equalizer for intersymbol interference mitigation |
09/23/2004 | US20040184716 Optical switch |
09/23/2004 | US20040184714 Metropolitan photonic switch |
09/23/2004 | US20040184698 Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same |
09/23/2004 | DE10310798A1 Determining network load in transparent optical transmission system involves determining occupancy probability per transmission path for each optical transmission channel in network nodes |
09/23/2004 | CA2819542A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
09/23/2004 | CA2818959A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
09/23/2004 | CA2818683A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
09/23/2004 | CA2501888A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
09/22/2004 | EP1460788A1 Multi-channel optical equalizer for intersymbol interference mitigation |
09/22/2004 | EP1460784A1 System based control of optical amplifier transmission functions |
09/22/2004 | EP1460782A2 Optical amplifier |
09/22/2004 | EP1459118A1 Device for multiplexing an array of optical channels, use for wavelength and add-drop multiplexing |
09/22/2004 | EP1459041A1 Optical spectral power monitors employing time-division-multiplexing detection schemes |
09/22/2004 | EP1088417B1 Method and device for dropping optical channels in an optical transmission system |
09/22/2004 | CN1531237A Method for improving transmission quality of WDM system signal |
09/22/2004 | CN1531227A WDM manicipal optical fiber network |
09/22/2004 | CN1168349C Optical cross connection node for crossing between fiber link and wavelength groups |
09/21/2004 | US6795652 WDM optical network with passive pass-through at each node |
09/21/2004 | US6795629 Optical fiber and optical communication system using this optical fiber |
09/21/2004 | US6795608 Optical communication link |
09/21/2004 | US6795607 Use of tunable laser for optical performance monitoring in WDM system |
09/21/2004 | US6795606 Optical ADD-DROP module which can be expanded modularly |
09/21/2004 | US6795316 WDM add/drop multiplexer module |
09/21/2004 | US6795182 Diffractive fourier optics for optical communications |
09/16/2004 | WO2004079960A1 Content information distributing method and system, and its center station |
09/16/2004 | WO2004079951A1 Optical transmission system |
09/16/2004 | WO2004079950A1 Node device of ring optical network |
09/16/2004 | WO2004079931A2 Pad architecture for backwads compatibility for bi- directional transceiver module |
09/16/2004 | WO2004079420A1 Optical connection device and optoelectronic hybrid apparatus including the same |
09/16/2004 | WO2004079404A2 System and method for performing in-service fiber optic network certification |
09/16/2004 | WO2004079401A2 Optical time division multiplexing |
09/16/2004 | WO2004028197A3 Efficient optical network design using multi-granular optical cross-connects with wavelength band switching |
09/16/2004 | WO2004017546A3 Mixed analog and digital chip-scale reconfigurable wdm network |
09/16/2004 | US20040179855 Wavelength division multiplexing transmission system and remote apparatus and station apparatus used therein |
09/16/2004 | US20040179850 Wavelength dispersion compensation system |
09/16/2004 | US20040179849 Optical receiver and method for controlling dispersion compensation |
09/16/2004 | US20040179845 Optical node processor, optical network system and its control method |
09/16/2004 | US20040179844 Wavelength-division-multiplexed metro optical network |
09/16/2004 | US20040179843 Wavelength division multiplexing light source apparatus using semiconductor optical amplifier |
09/16/2004 | US20040179842 Method of and apparatus for providing multi-wavelength light source |
09/16/2004 | US20040179841 All-optical Time Division Multiplexing system |
09/16/2004 | US20040179840 Optical communication system |
09/16/2004 | US20040179837 Method and arrangement for the determination and separation of single-channel effects on the optical transmission of a wavelength division multiplex (WDM) signal |