| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 06/24/2004 | US20040120721 Wavelength stabilizing control device and method thereof |
| 06/24/2004 | US20040120715 Transmitting apparatus using multiple lambda source in WDM network |
| 06/24/2004 | US20040120712 Method and system for multi-level power management in an optical network |
| 06/24/2004 | US20040120710 Method and system for light path monitoring in an optical communication network |
| 06/24/2004 | US20040120705 Differentiated resilience in optical networks |
| 06/24/2004 | US20040120683 Fiber optical attenuator |
| 06/24/2004 | US20040120634 Method and apparatus for interleaving and switching an optical beam in a semiconductor substrate |
| 06/24/2004 | US20040120367 System and method for precise, accurate and stable optical timing information definition |
| 06/24/2004 | US20040120027 Optical amplifier |
| 06/24/2004 | CA2508296A1 Long-distance mutualized transmission method using optical fibre |
| 06/23/2004 | EP1432045A2 Optocoupler and its manufacturing method |
| 06/23/2004 | EP1430744A2 All-optical switching sites for an agile optical network |
| 06/23/2004 | EP1430632A2 Topology discovery in optical wdm networks |
| 06/23/2004 | EP1430629A2 Method and apparatus for transmission of upstream data in an optical network |
| 06/23/2004 | EP1430622A1 Improvements in or relating to signal transmission in an optical system |
| 06/23/2004 | CN1507711A Low loss WDM add drop node |
| 06/23/2004 | CN1507193A Automatically tuning intelligent upstream and downstream light multiplex system |
| 06/23/2004 | CN1506705A Electromagnetically driven light switch and its making process |
| 06/23/2004 | CN1155173C Optical transmission system with receiver using full optical clock recovery |
| 06/22/2004 | US6754449 Optical layer multicasting switch |
| 06/22/2004 | US6754448 Multiplex transmission apparatus |
| 06/22/2004 | US6754415 Device for setting reference wavelength in optical channel monitoring module |
| 06/22/2004 | US6754413 Optical multiplexer, demultiplexer and methods |
| 06/22/2004 | US6754411 Mach-zehnder based filter demultiplexers and method |
| 06/22/2004 | US6754403 Acousto-optic add/drop multiplexer with retro-reflection and wavelength selective optical cross-connect |
| 06/22/2004 | US6754248 Solid-state laser and optical transmitter |
| 06/17/2004 | WO2004052044A1 Method and module for optical subcarrier labelling |
| 06/17/2004 | WO2004051897A1 Packet transmission system and end office unit |
| 06/17/2004 | WO2004051891A2 Variable optical attenuator |
| 06/17/2004 | US20040114941 Two-optical signal generator for generating two optical signals having adjustable optical frequency difference |
| 06/17/2004 | US20040114933 Optical switch and optical network |
| 06/17/2004 | US20040114932 Filter module |
| 06/17/2004 | US20040114931 WDM ring transmission system |
| 06/17/2004 | US20040114930 Mixed analog and digital chip-scale reconfigurable WDM network |
| 06/17/2004 | US20040114929 Optical data transmission system using sub-band multiplexing |
| 06/17/2004 | US20040114927 Regulating radiation component power in wavelength division multiplexed optical communication systems |
| 06/17/2004 | US20040114926 BPSR optical transmission node |
| 06/17/2004 | US20040114925 Method and system for providing protection in an optical communication network |
| 06/17/2004 | US20040114870 Optical add/drop patch cord |
| 06/17/2004 | US20040114857 Tunable pulse width generation of return-to-zero format for system optimization |
| 06/17/2004 | US20040114638 Multiplexing relay transmission device |
| 06/17/2004 | US20040114627 Channel allocation method in multirate WDM system |
| 06/17/2004 | US20040114211 Method and apparatus for time-division multiplexing to improve the performance of multi-channel non-linear optical systems |
| 06/17/2004 | US20040114149 WDM channel monitor and wavelength locker |
| 06/16/2004 | EP1429486A2 Optical transmission node for a bidirectional path switched ring |
| 06/16/2004 | EP1429477A2 Optical power measuring system, terminal station and repeater therefor |
| 06/16/2004 | EP1429476A2 Optical power measuring system, terminal station and repeater therefor |
| 06/16/2004 | EP1429475A2 Optical power measuring system, terminal station and repeater therefor |
| 06/16/2004 | EP1428407A1 Optical switching device for wavelength division multiplex (wdm) telecommunications network |
| 06/16/2004 | EP1428333A2 Ring network made using a dual optical data bus |
| 06/16/2004 | CN1505302A A broad band online fineness compensation arrangement |
| 06/16/2004 | CN1504786A Adjustable optics solution multiplexer |
| 06/16/2004 | CN1154281C High-capacity fibre-optical network working in 1.4 mu m range |
| 06/16/2004 | CN1154280C Wavelength dispersion compensation apparatus in wavelength multiplex transmission system |
| 06/16/2004 | CN1154014C Optic amplifier, and optic transmission system using the same |
| 06/16/2004 | CN1153989C Bidirectional optical wavelength multiplexer/separator |
| 06/15/2004 | US6751421 Optical fiber communication system employing wavelength converter for broadband transmission |
| 06/15/2004 | US6751418 WDM optical network with passive pass-through at each node |
| 06/15/2004 | US6751414 Circuit and channel assignment plan for optical transmissions |
| 06/15/2004 | US6751413 Channel mask definition for monitoring wavelength division multiplexing transmission systems |
| 06/15/2004 | US6751375 Self-referencing tunable add-drop filters |
| 06/15/2004 | US6751373 Wavelength division multiplexing with narrow band reflective filters |
| 06/15/2004 | US6751238 Phase re-alignment of SONET/SDH network switch without pointer manipulation |
| 06/15/2004 | US6751192 Network system and communication method |
| 06/10/2004 | US20040111651 Method and apparatus for guaranteeing a failure-recovery time in a wavelength-division multiplexing network |
| 06/10/2004 | US20040109695 Optical time-division demultiplexing apparatus |
| 06/10/2004 | US20040109694 Gain setting method in wavelength division multiplex transmission equipment |
| 06/10/2004 | US20040109691 Optical pulse separation method and optical pulse separation device |
| 06/10/2004 | US20040109689 Method for allocating bandwidth for voice service in a Gigabit Ethernet passive optical network |
| 06/10/2004 | US20040109688 Apparatus for executing multi-point control protocol in Ethernet passive optical network |
| 06/10/2004 | US20040109687 Fast rerouting method through generalized multi-protocol label switching |
| 06/10/2004 | US20040109686 Architecture for metropolitan dense wavelength division multiplex network with all-optical reference node |
| 06/10/2004 | US20040109685 Method and apparatus for optical add/drop multiplexing in optical networks |
| 06/10/2004 | US20040109684 Bidirectional wavelength division multiplexing self-healing ring network |
| 06/10/2004 | US20040109683 Non-disruptive lightpath routing changes in WDM networks |
| 06/10/2004 | US20040109661 Method and apparatus for controlling a variable optical attenuator in an optical network |
| 06/10/2004 | US20040109638 Gain equalizer and optical amplification apparatus |
| 06/10/2004 | US20040109630 Optical pulse chopper |
| 06/10/2004 | US20040109229 Demultiplexer for optical time-division multiplexed signals |
| 06/10/2004 | US20040109224 Reflective dispersion-compensation optical amplifier |
| 06/09/2004 | EP1427125A2 Optical pulse separation method and device |
| 06/09/2004 | EP1427124A2 Optical time-division demultiplexing apparatus |
| 06/09/2004 | EP1427123A1 Receiver for OTDM/PDM optical signals |
| 06/09/2004 | EP1427122A2 Bidirectional wavelength division multiplexing self-healing ring network |
| 06/09/2004 | EP1427119A2 Optical amplifier and optical communication system employing the same |
| 06/09/2004 | EP1427075A2 Raman amplifier and optical relay transmission system |
| 06/09/2004 | EP1425866A2 Optical communications systems, devices, and methods |
| 06/09/2004 | EP1425616A1 Optical arrangement and transceiver module for bi-directional optical wdm systems and optical data transmissions |
| 06/09/2004 | CN1503501A 光通信系统 The optical communication system |
| 06/09/2004 | CN1503497A Wavelength converter and optical cross-connect system using the same |
| 06/09/2004 | CN1503496A Virtual ring protection method for optical wave division network |
| 06/09/2004 | CN1503495A Method and device for realizing business pretection by adopting tunable light source |
| 06/09/2004 | CN1503490A Light signal converter, light encoder, light decoder and CDMA communication |
| 06/09/2004 | CN1503020A Fabry-Perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same |
| 06/09/2004 | CN1153394C WDM transmitter and receiver |
| 06/09/2004 | CN1153393C Signal monitoring apparatus for wavelength division multiplexed optical telecommunication networks |
| 06/09/2004 | CN1153383C Optical fibre amplifier having controlled gain |
| 06/09/2004 | CA2451888A1 A method and system for light path monitoring in an optical communication network |
| 06/08/2004 | US6748179 WDM channel monitoring system and method |
| 06/08/2004 | US6748176 Optical dropping apparatus and optical add/drop multiplexer |