| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 02/11/2004 | CN1474532A High insulation degree wavelength management module |
| 02/11/2004 | CN1138377C Single-side zero-angle up-and-down carriers division multiplex/demultiplex and optical insertion multiplex devices |
| 02/11/2004 | CN1138163C Array waveguide assembly and apparatus for monitoring light signals using same |
| 02/10/2004 | US6690886 Suppression of four-wave mixing in ultra dense WDM optical communication systems through optical fibre dispersion map design |
| 02/10/2004 | US6690848 Metropolitan photonic switch |
| 02/10/2004 | US6690846 Dispersion-compensated optical wavelength router |
| 02/05/2004 | WO2003081789A3 Tunable pulse width generation of return-to-zero format for system optimization |
| 02/05/2004 | WO2003076979A3 Split-band depressed-profile amplifier and system |
| 02/05/2004 | WO2003047145A3 Methods and devices to minimize the optical loss when multiplexing a plurality of tunable laser sources |
| 02/05/2004 | US20040022545 Optical transport system architecture for remote terminal connectivity |
| 02/05/2004 | US20040022536 Broadcast/communication unified passive optical network system |
| 02/05/2004 | US20040022304 Ultra-wideband communication though local power lines |
| 02/05/2004 | DE19963802B4 Verfahren zur Phasensynchronisierung optischer RZ-Datensignale Method of phase synchronization of optical RZ data signals |
| 02/05/2004 | DE19959813B4 Synchrones digitales Nachrichtenübertragungssystem Synchronous digital communication system |
| 02/05/2004 | DE19936421B4 Optischer Hinzufügungs-Wegfall Multiplexer und den Multiplexer verwendende optische Wellenlängenmultiplexverbindung In addition, optical multiplexers and articulating eliminating the multiplexer used wavelength division multiplexed optical link |
| 02/05/2004 | DE10228750A1 Verfahren zur Messung der Signal-Rauschabstände OSNR in einem Wellenlängen-Multiplex(-WDM)-Übertragungssystem Method for measuring the signal-to-noise ratios OSNR in a wavelength division multiplexing (-WDM) transmission system |
| 02/05/2004 | DE10147892B4 Verfahren zur Übertragung von mindestens einem ersten und zweiten Datensignal im Polarisationsmultiplex in einem optischen Übertragungssystem Method for transmitting at least a first and second data signal in polarization division multiplex in an optical transmission system |
| 02/05/2004 | DE10132584B4 Verfahren und Anordnung zur Ermittlung und Trennung von Einzelkanaleffekten bei der optischen Übertragung eines Wellenlängen-Multiplex(-WDM)-Signals Method and apparatus for determining and Separation of Single-channel effects in the optical transmission of a wavelength division multiplexing (-WDM) signal |
| 02/05/2004 | DE10116558B4 Selbstheilende Ringstruktur zur optischen Nachrichtenübertragung im Wellenlängenmultiplex und Add/Drop-Multiplexer hierfür Self-healing ring structure for optical communication wavelength-division multiplexing and add / drop multiplexer this |
| 02/05/2004 | DE10011068B4 Anordnung zur Unterdrückung von Instabilitäten in einem optischen Wellenlängen-Multiplex-Ringnetz Arrangement for suppressing instabilities in an optical wavelength division multiplexing ring network |
| 02/04/2004 | EP1387515A2 Method for assigning wavelengths in wavelength division multiplexing ring communication network |
| 02/04/2004 | EP1387511A2 Broadcast/communication unified passive optical network system |
| 02/04/2004 | EP1387510A1 One-core two-way optical transmission system |
| 02/04/2004 | EP1386434A2 Optically interconnecting multiple processors |
| 02/04/2004 | EP1386429A2 Method for the ocdma encoding of optical signals |
| 02/04/2004 | EP1386427A2 Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links |
| 02/04/2004 | EP1386193A2 Variable optical source |
| 02/04/2004 | EP1386192A2 Dynamic optical filter having a spatial light modulator |
| 02/04/2004 | CN1473409A Bidirectional WDM optical communication network with optical bridge between bidriectional optical waveguides |
| 02/04/2004 | CN1472909A Transmission for embedded control channel data |
| 02/04/2004 | CN1472908A Temperature controller for waveguide array grating style channel splitting filter |
| 02/04/2004 | CN1472907A Optical switch and optical signal accessor and wavelength signal exchanger |
| 02/04/2004 | CN1472585A Reman optical fibre amplifier with dynamic gain wave control |
| 02/04/2004 | CN1472584A Adjustable digital electromagnetic driven light-barrier attenuator |
| 02/04/2004 | CN1137558C WDM-channel equalizer |
| 02/03/2004 | US6687463 Communication system and method with optical banding |
| 02/03/2004 | US6687462 Wavelength slicer for optical signal switching |
| 02/03/2004 | US6687461 Active optical lattice filters |
| 02/03/2004 | US6687435 Optical fiber grating coder for use in optical code division multiple access, fabricating method and apparatus therefor |
| 02/03/2004 | US6687423 Optical frequency-division multiplexer and demultiplexer |
| 02/03/2004 | US6687280 Vertical-cavity surface-emitting laser device |
| 02/03/2004 | CA2330109C Segmented complex diffraction gratings |
| 01/29/2004 | WO2004010620A1 Optical transmission apparatus |
| 01/29/2004 | WO2004010616A1 Method and arrangement in a communication system |
| 01/29/2004 | WO2004008833A2 Method and system for providing protection in an optical communication network |
| 01/29/2004 | WO2003052987A3 Efficient and scalable data transport system for dwdm cable tv networks |
| 01/29/2004 | US20040018019 Interleaver-based multiplexer and demultiplexer |
| 01/29/2004 | US20040018017 Optical multi/demultiplexer |
| 01/29/2004 | US20040017967 Communication node and switching device |
| 01/29/2004 | US20040017785 System for transporting multiple radio frequency signals of a multiple input, multiple output wireless communication system to/from a central processing base station |
| 01/29/2004 | DE19940818B4 Verfahren zur Steuerung der Leistung von WDM-Einzelsignalen A method for controlling the power of WDM signals single |
| 01/29/2004 | DE10149430B4 Verfahren zum Demultiplexieren eines Datenstroms, insbesondere eines optischen Datenstroms A method of demultiplexing a data stream, in particular an optical data stream |
| 01/29/2004 | DE10120276B4 Verfahren und Übertragungssystem zur Optimierung der Übertragungseigenschaften eines optischen Wellenlängen-Multiplex-Systems A method and transmission system for optimizing the transmission characteristics of an optical wavelength multiplexing system |
| 01/29/2004 | DE10113303B4 Verfahren zur Verbesserung und Vergleichmäßigung der Datenübertragungsqualität in einem WDM-System und WDM-System zur Durchführung des Verfahrens Method for improving and uniformization of the data transmission quality in a WDM system and WDM system for performing the method |
| 01/29/2004 | DE10055189B4 Multiplexer in All-Faser-Anordnung Multiplexer in all-fiber arrangement |
| 01/29/2004 | DE10004290B4 Heat exchanger, has carrier for holding pipeline, where upper and lower carrier sections of carrier are formed from U-profile and turned towards each other with its rear side and connected with one another |
| 01/28/2004 | EP1385296A1 Routing of management information messages in transmission networks |
| 01/28/2004 | EP1385289A2 A method and apparatus for channel extraction of optical time-division-multiplexing signal |
| 01/28/2004 | EP1385288A2 Interleaver-based multiplexer and demultiplexer |
| 01/28/2004 | EP1385280A2 Raman amplifier |
| 01/28/2004 | EP1385278A1 Adjustment of optical characteristics in WDM systems |
| 01/28/2004 | EP1385277A1 Transmission of supervisory data in an optical communication system |
| 01/28/2004 | EP1384283A1 Reverse path optical combining using an optical commutator |
| 01/28/2004 | EP1384101A1 Arrangement for multiplexing and/or demultiplexing the signals of at least two optical wavelength channels |
| 01/28/2004 | CN1136688C Node Protector for changeover ring of wave division multiplexing circuit |
| 01/27/2004 | US6684031 Ethernet fiber access communications system |
| 01/27/2004 | US6684030 Super-ring architecture and method to support high bandwidth digital “last mile” telecommunications systems for unlimited video addressability in hub/star local loop architectures |
| 01/27/2004 | US6684006 Apparatus and method for wavelength division multiplexing |
| 01/27/2004 | US6684005 Connection of an add/drop node |
| 01/27/2004 | US6684004 Optical demultiplexer circuit and demultiplexer device and optical wavelength division multiplex circuit |
| 01/27/2004 | US6683849 Optical communications network |
| 01/27/2004 | US6683713 Method, device, and system for level equalization |
| 01/27/2004 | CA2222669C Optical timing detection |
| 01/22/2004 | WO2004008800A1 A path protection method for a wdm network and according node |
| 01/22/2004 | WO2004008668A1 Light source for raman amplification/excitation having amplification band extension function, raman amplifier using the same, amplification band extension setting method, and program thereof |
| 01/22/2004 | WO2004008666A2 Distributed raman amplifier for optical network and method |
| 01/22/2004 | WO2004008318A2 Data transfer in an optical network communication system |
| 01/22/2004 | WO2004008208A1 Wavelength selective switch |
| 01/22/2004 | WO2004008187A2 Compensating for chromatic dispersion in optical fibers |
| 01/22/2004 | WO2003090035A3 Automated optical transport system |
| 01/22/2004 | WO2003073138A3 Systems and methods for optical networking |
| 01/22/2004 | WO2003067768A3 Pulse generation for optical communications |
| 01/22/2004 | WO2002067482A3 Receiver for high-speed optical signals |
| 01/22/2004 | US20040013436 Direct optical amplifier correlating average level of main signal with level of pilot tone signal |
| 01/22/2004 | US20040013433 Remodulating channel selectors for WDM optical communication systems |
| 01/22/2004 | US20040013432 Direct backside optical fiber attachment to microprocessor chips |
| 01/22/2004 | US20040013429 Power equalization in optical switches |
| 01/22/2004 | US20040013428 Optical transmission apparatus with function of detecting status |
| 01/22/2004 | US20040013426 Wavelength division multiplex (wdm) optical network |
| 01/22/2004 | US20040013425 Adjustment of optical characteristics in WDM systems |
| 01/22/2004 | US20040013361 Compensating for chromatic dispersion in optical fibers |
| 01/22/2004 | US20040013355 Tunable optical filtering device and method |
| 01/22/2004 | US20040013352 Laser transmitter device |
| 01/22/2004 | US20040013137 Routing of management information messages in transmission networks |
| 01/22/2004 | US20040012735 Wavelength selecting module and wavelength selecting apparatus |
| 01/22/2004 | DE10231275A1 Verfahren zum Übertragen von Information in einem optischen Netzwerk und Knoten für ein solches Netzwerk A method of transmitting information in an optical network and node for such a network |
| 01/22/2004 | DE10228144A1 Anordnung zur Trennung von Kanälen eines optischen Polarisations-Multiplex-Signals Arrangement for the separation of channels of an optical polarization multiplex signal |
| 01/22/2004 | CA2492419A1 Wavelength selective switch |
| 01/22/2004 | CA2491222A1 Data transfer in an optical network communication system |
| 01/22/2004 | CA2487962A1 A path protection method for a wdm network and according node |