Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
04/2010
04/27/2010US7706349 Methods and systems for selecting modulation in an orthogonal frequency division multiplexing system
04/27/2010CA2509186C Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors
04/27/2010CA2485304C Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal
04/27/2010CA2335221C Optical configuration for a dynamic gain equalizer and a configurable add/drop multiplexer
04/22/2010WO2010044635A2 Visible-light communications system and method
04/22/2010WO2010043035A1 Coherent augmented optical add-drop multiplexer
04/22/2010WO2009157753A3 A system for preparation and unitary transformation of quantum states for quantum key distribution
04/22/2010US20100098423 Wavelength division multiplexing device and method for detecting input break of optical signal
04/22/2010US20100098422 Optical communication apparatus and method of controlling semiconductor optical amplifier
04/22/2010US20100098421 Optical interface method and apparatus
04/22/2010US20100098420 Polarization monitoring in polarization division multiplexing in optical communications
04/22/2010US20100098419 Gigabit passive optical network (gpon) residential gateway
04/22/2010US20100098417 Router having dual propagation paths for packets
04/22/2010US20100098416 Method for implementing distribution of link state information in an optical network
04/22/2010US20100098415 Method and device for mapping ethernet code blocks to otn for transmission
04/22/2010US20100098414 Supporting multi-dwelling units in passive optical networks
04/22/2010US20100098413 Performance monitoring in passive optical networks
04/22/2010US20100098412 Managed pon repeater and cross connect
04/22/2010US20100098411 Optical receiver and optical receiving method
04/22/2010US20100098409 Communication path setting method, communication system, optical propagation apparatus and optical transmission/reception device
04/22/2010US20100098407 Method and system for protection switching in ethernet passive optical networks
04/22/2010US20100098406 Method and apparatus for interconnecting a plurality of optical transducers with a wavelength division multiplexed optical switch
04/22/2010US20100098000 Hybrid fiber twisted pair local loop network service architecture
04/21/2010EP2178234A1 Method, apparatus and system for transmitting and receiving client signals
04/21/2010EP2178227A1 Optical receiver for a WDM free space communication system
04/21/2010EP2178226A1 Optical transmitter and optical communication system
04/21/2010EP1371156B1 Dynamic gain equalizer
04/21/2010CN201440659U Four-wavelength WDM type cable television bidirectional optical node
04/21/2010CN201440176U Optical assembly and optical equipment
04/21/2010CN1949688B Marker detector and detecting method
04/21/2010CN1866809B Optical buffer with adjustable delay time and output wavelength
04/21/2010CN101155433B Service protection method and routing device
04/20/2010USRE41247 Optical transport system
04/20/2010US7702243 Flexible node architecture with full protection
04/20/2010US7702241 Optical signal regenerator and transmission system
04/20/2010US7702240 Optical multiplex communication system and delay quantity adjustment method
04/20/2010US7702239 Cross-connector for optical signals
04/20/2010US7702193 Optical crossbar switch
04/20/2010US7701847 Inter-card channel protection method in wavelength division multiplexed system
04/15/2010WO2010042232A1 Ftth rf over glass (rfog) architecture and cpe
04/15/2010WO2010042231A1 "smart" rf over glass (rfog) cpe unit with seamless pon upgrade capability
04/15/2010WO2010040169A1 Optical transmitter
04/15/2010US20100092177 Timing Interface Module with Daughter Timing Reference Modules
04/15/2010US20100092176 Polarization-diverse, heterodyne optical receiving system
04/15/2010US20100092175 Reflective semiconductor optical amplifier and optical signal processing method using the same
04/15/2010US20100092174 Differential Inverse Multiplexing Virtual Channels in 40G Ethernet Applications
04/15/2010US20100092173 Cross-connect method and cross-connect apparatus
04/15/2010US20100092172 Apparatus and method for cross-connecting optical path in wavelength division multiplexing system
04/15/2010US20100092171 Methods of Port Mapping in Fiber Optic Network Devices
04/15/2010US20100092170 Passive Optical Network and Ultrawide Band Adapter
04/15/2010US20100092169 Multi-Level Distributed Fiber Optic Architectures
04/15/2010US20100091990 Ocdm-based all optical multi-level security
04/15/2010US20100091780 Frame traffic balancing across trunk groups
04/15/2010US20100091357 Control apparatus of optical amplifier
04/15/2010DE102008042719A1 Kompakter Multiplexer/Demultiplexer Compact multiplexer / demultiplexer
04/15/2010DE102008042716A1 Kompakter Multiplexer/Demultiplexer Compact multiplexer / demultiplexer
04/15/2010CA2740013A1 Ftth rf over glass (rfog) architecture and cpe
04/15/2010CA2740012A1 "smart" rf over glass (rfog) cpe unit with seamless pon upgrade capability
04/14/2010EP2175574A1 Transmission system comprising a CS-RZ DPSK optical transmitter
04/14/2010EP2175315A1 Method and device for shaping optical waveform
04/14/2010EP2174391A1 System and method for wavelength monitoring and control
04/14/2010EP1043847B1 Wavelength-division multiplex transmission network device using a transceiver having a 2-input/2-output optical switch
04/14/2010CN1996799B Optical packet access method based on the optical and electrical mixed cache structure
04/14/2010CN1878037B Gain locking parameter list generation method
04/14/2010CN1812316B Link collecting processing method and apparatus
04/14/2010CN1790960B Path protection method for mixed shared link wavelength resource in WDM network
04/14/2010CN1601949B Dielectric-Layer type dense wavelength division multi plexer filter
04/14/2010CN101695143A Method for realizing ROADM node wave length non-blocking scheduling
04/13/2010US7697845 Optical transmission equipment and optical add-drop multiplexer
04/13/2010US7697844 System and method for allocating bandwidth in remote equipment on a passive optical network
04/13/2010US7697843 Modular add/drop multiplexer including a wavelength selective switch
04/13/2010US7697842 Automated optical transport system
04/13/2010US7697802 Optical bypass method and architecture
04/13/2010US7697801 Wavelength selective switch
04/13/2010US7697580 Monitoring of a laser source with front and rear output photodetectors to determine frontal laser power and power changes over laser lifetime
04/13/2010US7697453 Synchronization techniques in multipoint-to-point communication using orthogonal frequency division multiplexing
04/13/2010CA2370757C A device and method for filtering optical wavelengths
04/08/2010WO2010037423A1 Channel power control in an optical link
04/08/2010WO2010037412A1 Method and device for signal processing and communication system comprising such device
04/08/2010US20100086308 Electro-optic conversion module, optic-electro conversion module and conversion methods thereof
04/08/2010US20100086307 Planar lightwave circuit
04/08/2010US20100086306 Dynamic routing of optical signals in optical networks
04/08/2010US20100086305 Reducing cross-modulation in multichannel modulated optical systems
04/08/2010US20100086304 Optical communication system
04/08/2010US20100086303 High speed polmux-ofdm using dual-polmux carriers and direct detection
04/08/2010US20100086301 Directionless reconfigurable optical add/drop multiplexer
04/08/2010US20100086300 Method and device for mapping ethernet code blocks to otn for transmission
04/08/2010US20100086299 Route query method in ason
04/08/2010US20100086298 Enforced routing in switched network for fru verification
04/07/2010EP2173048A1 Optical transmission device, wavelength multiplexing optical communication system, and optical transmission method
04/07/2010EP2173043A1 Integrated optical comb source system and method
04/07/2010EP1630982B1 Signal waveform deterioration compensator
04/07/2010CN101692627A System for generating optical cable-carried terahertz signal based on two-stage single-side band modulation
04/06/2010US7693427 Modulator, optical transmitter and optical transmission apparatus
04/06/2010US7693423 Maximising power in optical communication networks
04/06/2010US7693421 Optical packet buffering device and method
04/06/2010US7693371 Optical waveguide having chirp grating for high conversion efficiency
04/06/2010US7693364 Apparatus, system and method for a tunable optical filter
04/06/2010US7693357 Methods and systems for eliminating deleterious polarization effects in an optical fiber dispersion compensation module
04/01/2010WO2010036268A1 Modular wss-based communications system with colorless add/drop interfaces
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