| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 12/30/2009 | EP2137848A1 Optical signal amplifier, method of optical amplification and optical network |
| 12/30/2009 | EP1641150B1 Optical signal quality supervisory device |
| 12/30/2009 | EP1368913B1 Optical data compression device and method |
| 12/30/2009 | CN101615969A De-multiplexing system of wavelength division multiplexing network |
| 12/30/2009 | CN101615955A Illumination light receiver and illumination light communications system |
| 12/30/2009 | CN101615953A 传输线路监控系统 Transmission line monitoring system |
| 12/30/2009 | CN100576051C Optical code division multiplex transmission method and optical code division multiplex transmission device |
| 12/30/2009 | CN100575999C Production method of frequency domain transmission function shape dynamic tuning optical spectrum wave filter |
| 12/30/2009 | CN100575997C Optical filter element and wavelength division multiplexing optical coupler |
| 12/29/2009 | USRE41063 Optical layer multicasting using a multiple sub-carrier header and multicast switch with active header insertion via reflective single sideband optical processing |
| 12/29/2009 | US7639948 System and method for wave vector multiplexed laser communication |
| 12/29/2009 | US7639947 System and methods for quantum key distribution over WDM links |
| 12/29/2009 | US7639946 Distribution node for an optical network |
| 12/29/2009 | US7639945 Optical switch device and optical switching method |
| 12/29/2009 | US7639944 Method for protecting cross-ring service in optical network |
| 12/29/2009 | US7639910 Optical module and method of packaging the same |
| 12/29/2009 | US7639909 Method and apparatus for spatial domain multiplexing in optical fiber communications |
| 12/29/2009 | US7639900 Photonic band gap router |
| 12/29/2009 | CA2333155C Method and apparatus for multiplexing bytes over parallel communication links using data slices |
| 12/24/2009 | US20090317086 Optical transceiver module and method of controlling optical transceiver module |
| 12/24/2009 | US20090317085 Optical module and dispersion compensator |
| 12/24/2009 | US20090317084 Passive optical network system and optical signal receiving method thereof |
| 12/24/2009 | US20090317083 Optical remote node device and support equipment for constructing and extending fiber-optic access networks |
| 12/24/2009 | US20090317082 Passive Optical Network System, Optical Network Unit, and Optical Line Terminal |
| 12/24/2009 | US20090317081 Optical digital transmission for multiple beam cross connection, routing and switching |
| 12/24/2009 | US20090317080 Method and arrangements for improving signal quality |
| 12/24/2009 | US20090317078 Optical transmission device and optical transmission method |
| 12/24/2009 | US20090317076 Wdm transmission apparatus |
| 12/24/2009 | US20090317073 Systems and methods for ethernet extension and demarcation |
| 12/24/2009 | US20090317034 Optical pulse time spreading device for spreading light pulse over time axis |
| 12/24/2009 | US20090316816 Method for multiple use subchannels |
| 12/24/2009 | US20090316286 Aligned Narrowband Optical Filters having Flat Passbands and Comprising Offset Cascaded Broadband Optical Filters |
| 12/23/2009 | WO2009154592A1 Optical broadcast systems and methods |
| 12/23/2009 | WO2009152863A1 Subcarrier multiplex system |
| 12/23/2009 | WO2009152860A1 Wavelength division multiplex terminal with automatic configuration and supervision of switch connections |
| 12/23/2009 | WO2009152737A1 Method and system of reporting channel information in time division duplex system |
| 12/23/2009 | WO2009152612A1 Integrated wavelength locker and multiplexer |
| 12/23/2009 | EP2136495A1 A scheduling equipment and a scheduling method in optical communication network |
| 12/23/2009 | EP1211763B1 Wavelength multiplexer |
| 12/23/2009 | CN101611575A Method and arrangement for controlling a regenerator for data burst signals of a system comprising point-to-multipoint connections, transmission system comprising point-to-multipoint connections, and |
| 12/23/2009 | CN101610435A Queue-type all-optical buffer |
| 12/23/2009 | CN101610431A Resource reservation method based on business classification in optical network |
| 12/23/2009 | CN101610129A Reconfigurable Optical Add and Drop Multiplexing device for realizing completely undamped wavelength independence |
| 12/23/2009 | CN101610128A Method for realizing fast route convergence by optical transport network (OTN) overheads |
| 12/23/2009 | CN101610127A Optical pulse time spreading device |
| 12/23/2009 | CN100574246C Full optical VPN system based on orthogonal modulation code |
| 12/22/2009 | US7636524 All-optical timing jitter measurement system and method |
| 12/22/2009 | US7636522 Coolerless photonic integrated circuits (PICs) for WDM transmission networks and PICs operable with a floating signal channel grid changing with temperature but with fixed channel spacing in the floating grid |
| 12/22/2009 | US7636503 Wavelength selective switch |
| 12/22/2009 | CA2358230C Optimized fault notification in an overlay mesh network via network knowledge correlation |
| 12/19/2009 | CA2669249A1 Determining in-band optical signal-to-noise ratios in optical signals with time-varying polarization states using polarization extinction |
| 12/17/2009 | US20090310971 Visible light communication method and system |
| 12/17/2009 | US20090310970 Network timing |
| 12/17/2009 | US20090310969 Optical transmitting apparatus and optical multiplexing unit |
| 12/17/2009 | US20090310968 Multiple wavelength light source, and generation method for multiple wavelength light |
| 12/17/2009 | US20090310967 Method and apparatus for transmitting multiple channels in a wavelength division multiplexed (wdm) optical communication system with reduced raman crosstalk and nonlinear distortions |
| 12/17/2009 | US20090310966 Direct detection receiver using cross-polarization interferometer for polmux-ask system |
| 12/17/2009 | US20090310965 Optical Transmission System and Device for Receiving an Optical Signal |
| 12/17/2009 | US20090310963 Dynamic optical devices |
| 12/16/2009 | EP2134012A1 Method, system and apparatus for building wavelength channel |
| 12/16/2009 | EP2134007A1 Method and equipment for reducing crosstalk in optical networks |
| 12/16/2009 | EP2132892A1 Path computation element method to support routing and wavelength assignment in wavelength switched optical networks |
| 12/16/2009 | EP1514366B1 Method and system for power control of optical transmission span |
| 12/16/2009 | CN201364399Y Optical structure |
| 12/16/2009 | CN101605284A Method and device for acquiring wavelength available for OTU single plate |
| 12/16/2009 | CN101605283A Method and device for recovering node resource state in WSON |
| 12/16/2009 | CN101605282A System, method and device for protecting optical network |
| 12/16/2009 | CN101605015A Wavelength reservation mechanism based on contention avoidance |
| 12/16/2009 | CN100571224C Interconnection arrangement of DWDM ethernet official telephone and circuit switching official telephone |
| 12/16/2009 | CN100571095C Optical wavelength multiplex access system |
| 12/16/2009 | CN100571094C Wavelength divided duplexing equipment and packing method |
| 12/16/2009 | CN100571093C Wavelength divided duplexing equipment and packing method |
| 12/15/2009 | US7634196 Optical add/drop multiplexer with reconfigurable add wavelength selective switch |
| 12/15/2009 | US7634195 Digital optical network architecture |
| 12/15/2009 | US7634194 Multi-channel protection switching systems and methods for increased reliability and reduced cost |
| 12/15/2009 | US7634167 Optical path feasibility in an optical communication network |
| 12/15/2009 | US7633967 Multi-functional line card for metro optical applications |
| 12/15/2009 | US7633680 Diffraction grating device and optical apparatus |
| 12/10/2009 | US20090304388 Optical Branching Apparatus and Passive Optical Network System |
| 12/10/2009 | US20090304387 Optical data network for bilateral communication between a plurality of communication nodes |
| 12/10/2009 | US20090304386 Compact Virtual Local Area Network Mapper for the Gigabit-Passive Optical Network Optical Network Management and Control Interface |
| 12/10/2009 | US20090304385 Methods and apparatus for next generation access passive optical networks |
| 12/10/2009 | US20090304384 Intelligent pluggable transceiver stick capable of diagnostic monitoring and optical network management |
| 12/10/2009 | US20090304383 Optical network systems and methods for operating same |
| 12/10/2009 | US20090304382 Control/monitor terminal |
| 12/10/2009 | US20090304380 Quality of service in an optical network |
| 12/10/2009 | US20090304329 Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching |
| 12/10/2009 | CA2716529A1 Ocdm-based photonic encryption system with provable security |
| 12/09/2009 | EP2131513A1 Optical transmission in a multi-speed passive optical network |
| 12/09/2009 | EP2131509A1 Optical amplifier arrangement |
| 12/09/2009 | CN101601233A Method for finding protected path in mesh networks |
| 12/09/2009 | CN101601215A Low-ripple optical device |
| 12/09/2009 | CN101601209A Method and apparatus for DWDM line card |
| 12/09/2009 | CN101599809A Device for realizing channel self-adaptive dispersion compensation on main optical channel |
| 12/09/2009 | CN101599801A Filter coefficient regulator and method thereof |
| 12/09/2009 | CN100568844C Sub-wavelength switching and multicast method for optical transmission loop network |
| 12/09/2009 | CN100568817C A method for improving grid protection performance |
| 12/09/2009 | CN100568815C System for transmitting single-fiber two-way wavelength division multiplexing and its protection method |
| 12/09/2009 | CN100568796C High-speed optical forward unit compatible to the dual-mode jitter performance |
| 12/09/2009 | CN100568792C Optical residual sideband transmitter/receiver |