Patents for H04J 14 - Optical multiplex systems (27,009) |
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07/17/2007 | US7245829 Architecture for dynamic connectivity in an edge photonic network architecture |
07/17/2007 | US7245582 Protection switching in a multi-stage switch fabric |
07/17/2007 | US7245422 Raman optical amplifier, optical transmission system using the same, and raman optical amplification method |
07/17/2007 | US7245421 Wavelength-division multiplexing optical communication system |
07/17/2007 | CA2389974C Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter |
07/12/2007 | WO2007078805A1 Bi-directional parallel optical link |
07/12/2007 | WO2007076767A1 Method and device for channel-adapted signal transmission in optical networks |
07/12/2007 | US20070162946 Round trip delay adjustment in multipoint-to-point communication using orthgonal frequency division multiplexing |
07/12/2007 | US20070162943 Multipoint-to-point communication using orthogonal frequency division multiplexing |
07/12/2007 | US20070160372 Add-drop device and cross-connect device for wavelength multiplex signals |
07/12/2007 | US20070160371 Optical receiver circuit applicable to multiple transmission rates |
07/12/2007 | US20070159682 Optically controlled optical-path-switching-type data distribution apparatus and distribution method |
07/11/2007 | EP1806878A1 Packet communication network and packet communication method |
07/11/2007 | EP1806863A1 Method of interchannel time coding for multichannel transmission systems |
07/11/2007 | EP1805913A2 Wireless signal distribution system and method |
07/11/2007 | EP1618690A4 Method and system for use in optical code division multiple access |
07/11/2007 | EP1260044B1 Method and apparatus for polarization multiplexing and demultiplexing optical tributary signals |
07/11/2007 | CN1998172A Wavelength selection |
07/11/2007 | CN1997238A TDMA passive optical network OLT system for broadcast service |
07/11/2007 | CN1996810A A distributed wave division and fiber division optical switching system |
07/11/2007 | CN1996809A The system and method for enhancing the robustness of the passive optical network |
07/11/2007 | CN1996799A Optical packet access method based on the optical and electrical mixed cache structure |
07/11/2007 | CN1996075A Wavelength selection device |
07/11/2007 | CN1996073A Optical add-drop multiplexer, system thereof, and updating extension method therefor |
07/11/2007 | CN1995936A Automated test control system and method for wavelength tunable laser |
07/11/2007 | CN1325950C Fixing structure of two-way light transceiving modular |
07/10/2007 | US7242870 Wavelength division multiplexing system |
07/10/2007 | US7242868 System and method for performing high-speed communications over fiber optical networks |
07/10/2007 | US7242866 Methods and apparatus for switching N optical input signals to M optical outputs |
07/10/2007 | US7242865 Optical communication system |
07/10/2007 | US7242864 Technique for power control in optical networks |
07/10/2007 | US7242863 Method and system for coordinating and utilizing channel power information in an optical communications network |
07/10/2007 | US7242862 Network diagnostic tool for an optical transport network |
07/10/2007 | US7242861 Optical path cross-connect and optical wavelength multiplexing diversity communication system using the same |
07/10/2007 | US7242860 Optical protection switching using 2 by 2 switching functions |
07/10/2007 | US7242519 Raman amplifier and optical transmission system using the same |
07/10/2007 | CA2220592C Optical path signal termination equipment |
07/05/2007 | WO2007074979A1 Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method |
07/05/2007 | WO2007074485A1 Method and device for tunable optical filtering |
07/05/2007 | WO2007074432A1 Optical communication network and method of routing in the network |
07/05/2007 | WO2007074297A1 Optical transmission between a central terminal and a plurality of client terminals via an optical network |
07/05/2007 | WO2007073764A1 Method and system for tunable optical filtering |
07/05/2007 | WO2007073763A1 Method and device for tunable optical filtering |
07/05/2007 | US20070157278 Contention-based access to tones in orthogonal frequency division multiplexing (ofdm) waveform |
07/05/2007 | US20070157277 Multipoint-to-point communication using orthogonal frequency division multiplexing |
07/05/2007 | US20070154223 Synchronizing nodes in an optical communications system utilizing frequency division multiplexing |
07/05/2007 | US20070154218 Optical discriminators and systems and methods |
07/05/2007 | US20070154217 Extendable loop-back type passive optical network and scheduling method and apparatus for the same |
07/05/2007 | US20070154216 Wavelength tracking apparatus and method in WDM-PON system |
07/05/2007 | US20070154215 Method and apparatus for detecting optical reflections in an optical network |
07/05/2007 | DE102005062735A1 Surface-mountable electro-optical device, has optical interface supplying optical multiplex signals, and electrical contacts outputting electrical signals, where optical device is built on optical component with mounting side |
07/04/2007 | EP1804407A1 Acces node for optical ring network |
07/04/2007 | EP1804406A1 A protective method for span-ring service in an optical network |
07/04/2007 | EP1803307A1 Systems and methods for optical switching to colourless ports and coloured ports |
07/04/2007 | EP1803243A1 Method and device for stabilizing the state of polarization of a polarization multiplexed optical radiation |
07/04/2007 | CN1993915A Method and apparatus for interconnecting a plurality of optical transducers with a wavelength division multiplexed optical switch |
07/04/2007 | CN1992563A System and method for automatic tuning of chromatic dispersion compensation for a WDM transmission system |
07/04/2007 | CN1992561A Device and method for measuring quality factor of homology sampling |
07/04/2007 | CN1324846C Bi-directional wavelength division multiplexing self-healing passive optical network |
07/04/2007 | CN1324830C Expandable multicasting light exchange structure with light-regulating shunt |
07/04/2007 | CN1324829C Method for implementing power equalization of dense wavelength divison multiplex system |
07/04/2007 | CN1324826C Method and device for transmitting data in giga ethernet passive optical network |
07/04/2007 | CN1324393C Non-polarizing multiple lambda light source |
07/03/2007 | US7239809 Electrical pulse transformation using optical delay lines |
07/03/2007 | US7239808 Subscriber interfacing device in communication-broadcasting convergence FTTH |
07/03/2007 | US7239807 Variable clamp equalization method and apparatus |
07/03/2007 | US7239775 High repetition rate, linear, true time optical delay line |
07/03/2007 | US7239773 Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching |
07/03/2007 | US7239772 Flexible waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system |
07/03/2007 | US7239770 Optical device |
07/03/2007 | US7239650 Apparatus and method for receiving upstream data transmissions from multiple remote transmitters |
07/03/2007 | US7239649 Transmission system |
07/03/2007 | US7239441 Raman amplification repeater |
07/03/2007 | US7239440 Wavelength conversion apparatus |
07/03/2007 | CA2431463C Monitoring and correcting bragg gratings during their fabrication |
07/03/2007 | CA2413862C Method and apparatus for transmitting multiple signal, method and apparatus for receiving multiple signal, multiple signal transmission method and multiplexer/demultiplexer |
06/28/2007 | WO2007073382A1 System and method for re-using wavelengths in an optical network |
06/28/2007 | WO2007072921A1 Optical transmission system and method |
06/28/2007 | WO2007071586A1 Open fiber control and loss of light propagation in time division multiplexed inter-system channel link |
06/28/2007 | WO2007071154A1 A wavelength division multiplexing passive optical network and its implement method |
06/28/2007 | WO2007071114A1 A method for soft rerouting in optical network |
06/28/2007 | WO2007014218A3 Wide free-spectral-range, widely tunable and hitless-switchable optical channel add-drop filters |
06/28/2007 | US20070147841 Optical add/drop device |
06/28/2007 | US20070147840 Variable dispersion compensator |
06/28/2007 | US20070147839 Clock strobed data over one waveguide or fiber |
06/28/2007 | US20070147838 Optical transmission apparatus and optical access network for wavelength-division multiplexing optical network with both sub-carrier multiplex and sub-carrier multiple access schemes |
06/28/2007 | US20070147837 Method of increasing number of subscribers using time division duplexing technology in wavelength division multiplexing/Ethernet passive optical network system |
06/28/2007 | US20070147836 Passive Optical Network Maintenance Method, an Optical Network Unit, and an Optical Line Terminal |
06/28/2007 | US20070147835 Device and method for controlling optical transmitters in WDM-PON system |
06/28/2007 | US20070147834 Dynamic bandwidth allocation method with punishment mechanism in passive optical network |
06/28/2007 | US20070147833 Dynamic wavelength allocation apparatus and method |
06/28/2007 | US20070147734 Optical device for simultaneously generating and processing optical codes |
06/28/2007 | US20070147434 Data transmission method and data transmission device |
06/28/2007 | US20070147229 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
06/27/2007 | EP1801967A2 Active star point for use in a communications system with star topology |
06/27/2007 | EP1800153A1 Wavelength selective reconfigurable optical cross-connect |
06/27/2007 | CN1989718A 路径建立 Path is established |
06/27/2007 | CN1988724A Radio connecting method and system for supporting multipe users and multiple systems |
06/27/2007 | CN1988429A Access device for CATV optic network IP data path |
06/27/2007 | CN1988426A Reference clock sending circuit and method for light repeat plate |