Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
08/2010
08/10/2010US7773883 Single-fiber optical ring networks based on optical double sideband modulation
08/10/2010US7773882 Optical code-routed networks
08/10/2010US7773881 Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device
08/10/2010US7773879 Digital optical transmitter
08/10/2010US7773878 System, device and method for supporting cut-through paths in an optical communication system
08/10/2010US7773537 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system
08/10/2010CA2546624C Apparatus and method for improved fibre channel oversubscription over transport
08/10/2010CA2460975C Free-space optical systems for wavelength switching and spectral monitoring applications
08/10/2010CA2414027C Optical tapped delay line
08/10/2010CA2394237C Per-channel optical amplification using saturation mode
08/05/2010WO2010086019A1 Optical communications network node and method of controlling data transmission between optical communications network nodes
08/05/2010US20100196011 Wavelength Division and Time Division Multiplex Mixing Passive Optical Network System, Terminal and Signal Transmission Method
08/05/2010US20100196010 Optical transmission system
08/05/2010US20100196009 Polarization independent frequency domain equalization (fde) for chromatic dispersion (cd) compensation in polmux coherent systems
08/05/2010US20100196008 Methods and apparatus for recovering first and second transmitted optical waves from a polarization multiplexed optical wave
08/05/2010US20100196007 Optical ring network architecture
08/05/2010US20100196006 Method, system and device for optical network termination configuration
08/05/2010US20100196005 Optical Multiport Spectral Phase Encoder
08/05/2010US20100196004 Topologically multiplexed optical data communication
08/05/2010US20100195473 Signal transmission circuit and storage device
08/04/2010EP2214337A2 Article comprising a wavelengh selective add-drop multiplexer
08/04/2010EP2213029A1 Optical fibre network
08/04/2010EP2213022A1 Spectral tilt compensation
08/04/2010CN101795225A Conflict retracing mechanism within partial wavelength transform domain
08/04/2010CN101795159A High-speed WDM (Wavelength Division Multiplexing) light communication system and method for resisting non-linearity effect in same
08/04/2010CN101150879B Intercrossed scheduling system and method based on optical transmission network
08/04/2010CN101141200B Multi-frequency phase modulation based multi-wavelength source generating apparatus
08/03/2010US7769301 Optical code division multiplexing receiving device and time gate processing method in optical code division multiplexing receiving device
08/03/2010US7769296 Arrangement for reducing multiplexing and demultiplexing cost in ultra long haul (ULH) all-optical networks by minimizing number of required mux/demux groups
08/03/2010US7769295 Dual beam splitter optical micro-components and systems and methods employing same
08/03/2010US7769294 Optical transmission network
08/03/2010US7769293 Apparatus and method for label transmission in optical packet data switching network
08/03/2010US7769292 Automated testing and analysis of dense wave division multiplexing (DWDM) switching devices
08/03/2010US7769290 Optical transmission systems, devices, and methods
08/03/2010US7769262 Optical compressor and ultra-short pulse light source
08/03/2010US7769036 Hardware functional partitioning in a system platform of a telecommunication network element
08/03/2010US7768709 Long time aperture optical tapped delay line
07/2010
07/29/2010WO2010044635A3 Visible-light communications system and method
07/29/2010US20100189442 Method for the protection of a passive optical transmission network as well as a passive optical transmission network with a corresponding protection mechanism
07/29/2010US20100189441 Method and device for hitless tunable optical filtering
07/29/2010US20100189440 Methods and Systems for Transmitting Data in Scalable Passive Optical Networks
07/29/2010US20100189439 Optical fiber distributed wireless personal area network
07/29/2010US20100189438 Polarization multiplexing optical receiver and polarization multiplexing optical transmission system
07/29/2010US20100189437 Optical receiver and optical reception method compatible with differential quadrature phase shift keying
07/29/2010US20100189436 Point-to-multipoint optical communication system
07/29/2010US20100189435 System and Method for Switching Packet Traffic over an Optical Transport Network
07/29/2010US20100189433 System and method for long backhaul link extension in a passive optical network
07/28/2010EP2211491A1 Optical network unit, wavelength splitter, and optical wavelength-division multiplexing access system
07/28/2010EP2211490A1 Optical network unit, wavelength splitter and optical wavelength-division multiplexing access system
07/28/2010CN1581737B System and method for multi-channel mitigation of PMD/PDL/PDG
07/28/2010CN101789829A Gain control method and device of distributed Raman fiber amplifier
07/28/2010CN101789828A Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICs)
07/28/2010CN101533129B High-speed adjustable optical comb filter
07/27/2010US7765576 Changing communication mode in a CATV pathway using mute commands
07/27/2010US7764884 Optical ring network architecture
07/27/2010US7764882 Optical packet tray router
07/27/2010US7764881 Optical apparatus and optical cross connect apparatus
07/27/2010US7764711 CDMA transmission apparatus and CDMA transmission method
07/27/2010US7764602 Method and system for protecting a communication network, said communication network including a transport network
07/27/2010CA2446281C N-way broadcast/narrowcast combiner
07/27/2010CA2372613C Use of cross tap equalization to reduce crosstalk arising from inadequate optical filtering in a wdm optical link
07/22/2010WO2010083102A1 Sparing for multi-wavelength optical transmitter
07/22/2010US20100183312 Method and device for hitless tunable optical filtering
07/22/2010US20100183311 High-degree reconfigurable optical add-drop multiplexing systems using bi-directional wavelength selective switches
07/22/2010US20100183310 Dispersion compensator
07/22/2010US20100183309 System and Method for OCDM-Based Photonic Layer Security Robustness to Archival Attack
07/22/2010US20100183308 Registration of Device Characteristics with Optical Layer for Use in Establishing Connections Through an Optical Network
07/22/2010US20100183307 Optical transmitter outputting a plurality of signal light with a preset wavelength span
07/22/2010US20100183306 Method and system for communicating information between a point of distribution and a plurality of subscriber destinations via a hybrid fiber coax delivery plant
07/22/2010US20100183305 Optical communication using coupled optically pumped amplifiers
07/22/2010US20100183304 Dynamic bandwidth allocation in a passive optical network in which different optical network units transmit at different rates
07/22/2010US20100183303 Optical pulse generating device and optical signal processing device
07/22/2010US20100183302 Optical switch
07/22/2010US20100183301 Apparatus suitable for transporting client signals, and apparatus and method suitable for mapping or demapping tributary slots for transport of client signals
07/22/2010US20100183299 Wavelength Assignment In An Optical WDM Network
07/21/2010EP2209233A1 Optical communications systems and optical line terminals
07/21/2010EP2209229A1 Optical PON system and method for data processing
07/21/2010EP2208299A1 Allocation of transmission power in an optical communication system
07/21/2010CN101783711A Method and system for demultiplexing based on D trigger
07/21/2010CN101783710A Wavelength division multiplexer compatible with two passive optical networks
07/21/2010CN101783707A Optical communications systems and optical line terminals
07/21/2010CN101193329B Optical switch and optical crossconnect apparatus
07/21/2010CN101005330B Light grouping exchange method based on serial arrangement light orthogonal code label
07/20/2010US7760734 TDMA passive optical network OLT system for broadcast service
07/15/2010WO2010080307A1 Optical mixer for coherent detection of polarization-multiplexed signals
07/15/2010US20100178057 Signal method and apparatus
07/15/2010US20100178056 Multi-wavelength coherent receiver with a shared optical hybrid and a multi-wavelength Local Oscillator
07/15/2010US20100178055 Optical Amplifier with Optical Gain-Control
07/15/2010US20100178054 Ethernet/optical signal converter using power over ethernet
07/15/2010US20100178053 Optical communications systems and optical line terminals
07/14/2010EP1617578B1 Optical receiver and optical transmission system
07/14/2010EP1323249B1 Optical protection method and system
07/14/2010CN1863026B WDM terminal apparatus using multi-wavelength laser
07/14/2010CN101777952A Method, device and system for realizing millimeter wave demodulation
07/14/2010CN101043506B Method for determining automatically access service types
07/13/2010US7756424 Optical CDMA communications system using OTDL device
07/13/2010US7756423 Wavelength division multiplexing optical transmission apparatus, wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method
07/13/2010US7756419 Traffic signal node cross scheduling method and system
07/13/2010US7756417 Light-transmitting apparatus and wavelength-division-multiplexing communication system having optical-signal-abnormality-detecting function
07/13/2010US7756416 Optical communication node and optical network system
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