Patents for H04J 14 - Optical multiplex systems (27,009) |
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08/13/2002 | US6433923 Optical transmission path having sections which overcompensate for dispersion occurring in the sections |
08/13/2002 | US6433904 Method and apparatus for improving transmission performance over wavelength division multiplexed optical communication links using forward error correction coding |
08/13/2002 | US6433903 Optical management channel for wavelength division multiplexed systems |
08/13/2002 | US6433900 Optical wavelength multiplexing system having a redundant configuration |
08/13/2002 | US6433864 Apparatus for monitoring optical signal-to-noise ratio of optical signals in WDM optical transmission system |
08/13/2002 | US6433715 High-speed serial-to-parallel and analog-to-digital conversion |
08/08/2002 | WO2002061996A1 Optical demultiplexer |
08/08/2002 | WO2002061989A1 A method and system for transmission in an optical network |
08/08/2002 | WO2002061981A2 Fiber optic communications |
08/08/2002 | WO2001030005A9 System and method for transmitting and restoring an optical signal |
08/08/2002 | US20020107979 Computer data transmission over a telecommunictions network |
08/08/2002 | US20020106158 Apparatus and method for wavelength division multiplexing |
08/08/2002 | US20020106147 Optical multiplexer and optical demultiplexer |
08/08/2002 | US20020106146 Optical network structure |
08/08/2002 | US20020106060 Communication system with multicarrier telephony transport |
08/08/2002 | US20020105963 MAC protocol for optical packet-switched ring network |
08/08/2002 | US20020105950 Computer data transmission over a telecommunications network |
08/08/2002 | US20020105719 Optical transmission path having sections which overcompensate for dispersion occurring in the sections |
08/08/2002 | US20020105715 Raman amplifier and optical transmission system using the amplifier |
08/08/2002 | US20020105705 Optical CDMA communications system using OTDC device |
08/08/2002 | US20020105695 Power balanced optical add multiplexer and power balancing methods therefore |
08/08/2002 | US20020105694 Power balanced optical add/drop multiplexer and power balancing methods therefore |
08/08/2002 | US20020105693 Optical transmission unit and system |
08/08/2002 | US20020105692 Hierarchical WDM in client-server architecture |
08/08/2002 | DE19930975C2 Verfahren zur Ermittlung des individuellen Übersprechens in Wellenlängenmultiplex-Systemen und Wellenlängenmultiplex-System A method for determining the individual crosstalk in wavelength division multiplexed systems and wavelength division multiplexing system |
08/07/2002 | EP1229683A2 Upstream synchronisation in a multi-point to point communications system |
08/07/2002 | EP1229368A2 Optical combiner system and method |
08/07/2002 | EP1229361A2 Multiple band optical multiplexer and demultiplexer |
08/07/2002 | EP1228660A1 Connection protection between clients and optical cross-connect switches |
08/07/2002 | EP1228388A1 Volume or stacked holographic diffraction gratings for wavelength division multiplexing and spectroscopy |
08/07/2002 | CN1362806A Routing and wavelength distributing method for optical wavelength division multiplexing network |
08/06/2002 | US6430715 Protocol and bit rate independent test system |
08/06/2002 | US6430336 Device and method for minimizing optical channel drift |
08/06/2002 | US6430201 Method and apparatus for transporting gigabit ethernet and fiber channel signals in wavelength-division multiplexed systems |
08/06/2002 | US6429974 Add-drop multiplexer |
08/06/2002 | US6429966 Multistage optical amplifier with Raman and EDFA stages |
08/06/2002 | CA2370606A1 Multiple band optical multiplexer and demultiplexer |
08/06/2002 | CA2276275C Switchable wavelength router |
08/06/2002 | CA2260314C Optical signal translator unit |
08/06/2002 | CA2246148C Distortion penalty measurement procedure in optical systems using noise loading |
08/01/2002 | WO2002060123A2 Method and system for processing downstream packets of an optical network |
08/01/2002 | WO2002060105A1 Grooming of channels in wavelength division multiplexed optical communication systems |
08/01/2002 | WO2002060097A1 A method and apparatus for variable rate pipes |
08/01/2002 | WO2002060095A2 Processing of optical performance data in an optical wavelenght division multiplexed communication system |
08/01/2002 | WO2002059658A2 Multi-channel optical filter |
08/01/2002 | WO2002030019A3 System and method for communicating optical signals between a data service provider and subscribers |
08/01/2002 | WO2002003576A3 Method for determining optimum pre-compensation in an optical system |
08/01/2002 | US20020102937 Communication system with multicarrier telephony transport |
08/01/2002 | US20020102050 Apparatus and method for control messaging in an optical network |
08/01/2002 | US20020102049 Optical combiner system and method |
08/01/2002 | US20020101652 Optical amplifier for amplifying multi-wavelength light |
08/01/2002 | US20020101637 Method for channel balance |
08/01/2002 | US20020101636 Self-adjusting optical add-drop multiplexer and optical networks using same |
08/01/2002 | US20020101635 Communication system |
08/01/2002 | US20020101634 Polarization beam combiner for fiber optic applications |
08/01/2002 | US20020101633 Optical transmission apparatus, optical transmission system, and optical terminal station |
08/01/2002 | US20020101631 Processing of optical performance data in an optical wavelength division multiplexed communication system |
08/01/2002 | DE10110270C1 Verfahren zur Ermittlung von Wechselwirkungen zwischen mehreren optischen Kanälen eines Wellenlängen-Multiplex Signals Procedure for the determination of interactions between a plurality of optical channels of a wavelength-multiplexed signal |
08/01/2002 | CA2435336A1 Grooming of channels in wavelength division multiplexed optical communication systems |
08/01/2002 | CA2426831A1 Method and system for processing downstream packets of an optical network |
07/31/2002 | EP1227611A2 Wavelength multiplex optical communication module |
07/31/2002 | EP1227610A2 Distributed intelligence MAC protocols for DWDM ring networks |
07/31/2002 | EP1227606A1 Optical transmission device and optical repeating device |
07/31/2002 | EP1226675A1 A device and a method for optical multiplexing/demultiplexing |
07/31/2002 | EP1226674A1 Optical add-drop filter |
07/31/2002 | EP1226668A1 Method for measuring the performance of broadband dense wavelength division multiplexer (dwdm) using non-linear iterative algorithm |
07/31/2002 | EP0652652B1 Method and apparatus for receiving monitoring signal |
07/30/2002 | US6427043 Wavelength dispersion compensating method and optical transmission system |
07/30/2002 | US6426832 Wavelength-multiplexed light amplifying apparatus, optical amplifier and optical add-and-drop apparatus using wavelength-multiplexed light amplifying basic unit |
07/30/2002 | US6426830 Single lens turnable wavelength division multiplexing fabry-perot filter using MEMS technology |
07/30/2002 | US6426821 Optical upconverter apparatuses, methods and systems |
07/30/2002 | US6426818 Optical interconnect for high speed processor |
07/30/2002 | US6426817 Optical wavelength multiplexing system and terminal |
07/30/2002 | US6426816 Wide transmission optical comb filter with wide pass band and wide stop band |
07/30/2002 | US6426815 WDM ring transmission system having two hubs |
07/30/2002 | CA2277665C Optical waveguiding component comprising a band-pass filter |
07/25/2002 | WO2002058316A1 Data time difference absorbing circuit, and data receving method and device |
07/25/2002 | WO2002058302A1 Wdm optical communications system |
07/25/2002 | WO2002058301A2 Split wave method and apparatus for transmitting data in long-haul optical fiber systems |
07/25/2002 | WO2002058285A2 Optical cdma communications system using otdl device |
07/25/2002 | WO2002057815A2 Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same |
07/25/2002 | WO2001090804A3 Acousto-optic variable attenuator with active cancellation of back reflections |
07/25/2002 | WO2001088571A8 Multi-channel optical transceiver |
07/25/2002 | WO2001022627A9 Method and system to reduce fwm penalty in nrz wdm systems |
07/25/2002 | US20020098798 Communication system with multicarrier telephony transport |
07/25/2002 | US20020098797 Acquisition and tracking in communication system with multicarrier telephony transport |
07/25/2002 | US20020098796 Hybrid/fiber coax video and telephony communication system with poly-phase filtering |
07/25/2002 | US20020098795 Communicating errors in a telecommunications system |
07/25/2002 | US20020097971 Optical fiber and optical communication system using this optical fiber |
07/25/2002 | US20020097954 Communication network, wavelength division multiplex transmission equipment, optical switch equipment, and optical attribute/state administering method for them |
07/25/2002 | US20020097731 Distributed intelligence MAC protocols for DWDM ring networks |
07/25/2002 | US20020097671 Method for selecting a restoration path in a mesh network |
07/25/2002 | US20020097481 Wdm optical communication system using co-propagating raman amplification |
07/25/2002 | US20020097473 Method and system for identifying undesired products of non-linear optical mixing |
07/25/2002 | US20020097467 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 |
07/25/2002 | US20020097466 Non-moving parts add/drop device |
07/25/2002 | US20020097464 Method for adjusting time delays and device for synchronization of channels in a WDM system |
07/25/2002 | US20020097463 Quality of service (QoS) based supervisory network for optical transport systems |
07/25/2002 | US20020097462 Optical transmission device and optical transmission system |
07/25/2002 | US20020097461 Bi-directional wavelength switched ring optical protection switching protocol |