Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
08/2011
08/04/2011WO2011091802A1 Data packet synchronization and return-to-zero conversion
08/04/2011WO2011061742A3 Communication system and method for managing data transfer through a communication network
08/04/2011WO2011038156A3 Optical interleaver and deinterleaver
08/04/2011US20110188861 Reducing optical service channel interference in phase modulated wavelength division multiplexed (wdm) communication systems
08/04/2011US20110188860 Electrical equalizing processing method and device for optical signal and optical fiber communication system
08/04/2011US20110188859 Wdm-pon architecture based on externally seeded optical source
08/04/2011US20110188858 Optical backhaul network for wireless broadband service
08/04/2011US20110188857 Label switching method, apparatus and system
08/04/2011US20110188856 Optical swapping of digitally-encoded optical labels
08/04/2011US20110188855 Coupled system multi-core fiber, coupling mode multiplexer and demultiplexer, system for transmission using multi-core fiber and method for transmission using multi-core fiber
08/04/2011US20110188853 Wavelength division multiplex terminal with automatic configuration and supervision of switch connections
08/04/2011US20110188852 Method and apparatus for fast optical signal impairment evaluation
08/04/2011US20110188851 Optical network and control method therefor
08/04/2011US20110188849 System for redundancy in ethernet passive optical networks (epons)
08/03/2011EP2352239A1 A method, device and system for optic-demodulating the optical carrier of polarization division multiplexing
08/03/2011EP2351265A1 Coherent optical system comprising a tunable local oscillator
08/03/2011EP2351264A1 System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks
08/03/2011EP2350738A1 Method and apparatus for spectral band management
08/03/2011CN102144362A Optical signal transmission system, transmitter, receiver, and optical signal transmission method
08/03/2011CN102142920A Polarization multiplexing transmitter and transmission system
08/03/2011CN102142919A Optical code division multiplexing signal generating device
08/03/2011CN102142904A Optical transmission and reception system, and optical receiver
08/03/2011CN101505440B Bidirectional IP converting CATV optical fiber network based on PON
08/03/2011CN101321017B 光通信系统 The optical communication system
08/02/2011US7991296 Method and apparatus for data frame synchronization and delineation
08/02/2011US7991293 Unified optical connector architecture
08/02/2011US7991291 WDM PON based on DML
08/02/2011US7991290 Optical prism and optical transceiver module for optical communications
08/02/2011US7991287 Optical communication system with suppressed SBS
07/2011
07/28/2011WO2011091234A1 Power recapture in an optical communications system
07/28/2011US20110182591 Optical receiver
07/28/2011US20110182589 Optical Transmission and Reception System, and Optical Receiver
07/28/2011US20110182587 System and methods for converting a temporally short and spectrally broad optical pulse into a train of spectrally narrow optical pulses
07/28/2011US20110182586 Wavelength division multiplexing
07/28/2011US20110182585 Optical transmission apparatus and continuity testing method
07/28/2011US20110182584 Method for data processing in an optical network, optical network component and communication system
07/28/2011US20110182583 Distributed cable modem termination system
07/28/2011US20110182582 Joint sample rate conversion and cd compensation in frequency domain for coherent polmux
07/28/2011US20110182581 Context-sensitive overhead processor
07/28/2011US20110182580 Method and apparatus for mapping and de-mapping service data
07/28/2011US20110182579 Methods for dynamic bandwidth allocation and queue management in ethernet passive optical networks
07/28/2011US20110182578 Optical Apparatus
07/28/2011US20110182577 Method, system, and apparatus for filter implementation using hermitian conjugates
07/28/2011US20110182576 Method For Engineering Connections In A Dynamically Reconfigurable Photonic Switched Network
07/27/2011EP2348660A1 Optical signal marking or detecting method, device and marking and detecting system
07/27/2011EP2348651A1 Method for retrieving a signal
07/27/2011EP2347529A1 Communication system comprising a tunable laser
07/27/2011CN201910806U Wavelength division multiplexing single-fiber bidirectional optical device
07/27/2011CN1874199B Optical transmission equipment and integrated circuit
07/27/2011CN102137313A Subtree-based multicasting traffic grooming method in WDM (Wavelength Division Multiplex) optical network
07/27/2011CN102136877A 60GHz millimeter wave based broadband access (BBA) system and method in high-speed rails
07/27/2011CN102136876A Light line protection acceleration circuit, light line protection system and method
07/27/2011CN102136875A Method, equipment and system for automatically configuring wavelength of adjustable light module
07/27/2011CN101819299B Extensible and reconfigurable light path add/drop multiplexer
07/27/2011CN101568046B Method for realizing coexistence of unsymmetrical 10GEPON and GEPON optical network terminals and system thereof
07/27/2011CN101155162B Otdm-differential phase modulation signal generator
07/27/2011CN101114885B Wavelength-division and time division multiplex mixing passive optical network system, terminal and signal transmission method
07/26/2011US7986881 Optical transmission systems, devices, and methods
07/26/2011CA2387239C Device for imposing a field tilt for approximating the inherent field curvature of a focusing element in a free space optical device
07/21/2011WO2011086696A1 Optical communication system, optical transmitter, optical receiver and optical transponder
07/21/2011WO2011085823A1 Routing through network having optical and electrical layers
07/21/2011US20110176816 Optical transmission apparatus
07/21/2011US20110176809 Optical transmission system and optical transmission method
07/21/2011US20110176808 Method and device for multicast processing
07/21/2011US20110176805 Technique for selectively changing dispersion in optical communication channels
07/21/2011US20110176804 Method And Systems For Implementing High-radix Switch Topologies On Relatively Lower-radix Switch Physical Networks
07/20/2011EP2346195A1 Wavelength locking method, apparatus and system
07/20/2011EP2346194A1 Method for optimizing transmission capacity
07/20/2011EP2345186A1 Method and device for signal processing and communication system comprising such device
07/20/2011CN1894879B Optical device of synchronously generating and processing optical code
07/20/2011CN102130739A Device and method for regenerating signals
07/20/2011CN102130738A Method and device for processing signals
07/20/2011CN101521836B System and method for online updating of bandwidth of optical network unit in wavelength division multiplexing optical access network
07/20/2011CN101442366B Light modulation system and method
07/20/2011CN101110643B System and method for implementing wavelength centralized adjustment and control
07/20/2011CN101094041B Method and system for upgrading passive optical network
07/20/2011CN101030831B Apparatus for wavelength division multiplexing and method for realizing its function
07/19/2011US7983564 Transmission system and transmission method
07/19/2011US7983563 Internet protocol routing with optical code division multiple access
07/19/2011US7983562 Dynamic coding for optical code-division multiple access
07/19/2011US7983561 Optical pulse time spreading device
07/19/2011US7983560 Modular WSS-based communications system with colorless add/drop interfaces
07/19/2011US7983559 Configurable multi-rate optical network port and processing modules
07/19/2011US7983514 Photonic band gap router
07/19/2011US7983141 Synchronized multipoint-to-point communication using orthogonal frequency division
07/19/2011CA2460772C Ethernet over multi-carrier frequency-division multiplexing (fdm)
07/14/2011WO2011083165A1 Network element
07/14/2011WO2011083017A1 Method for managing the transmission of optical signals
07/14/2011US20110170873 Apparatus and Method For Generating Frequency-Locked Optical Comb Sources
07/14/2011US20110170872 Apparatus and method for providing synchronized data by using visible light communication
07/14/2011US20110170871 Apparatus of adjusting optical signal transmission timing
07/14/2011US20110170870 Method and Device for Stabilizing the State of Polarization of a Polarization Multiplexed Optical Radiation
07/14/2011US20110170869 Polarization multiplexing transmitter and transmission system
07/14/2011US20110170867 Wavelength Switch
07/14/2011US20110170866 Transporting Optical Data Units In An Optical Transport Network
07/14/2011US20110170865 Mapping method, apparatus, and system for data transmission
07/14/2011US20110170864 Interface device, demultiplexing method, and multiplexing method
07/14/2011US20110170862 Optical communications in reciprocal networks based on wavelength switching
07/14/2011US20110170856 Optical transmission device
07/14/2011US20110170690 Secure orthogonal frequency multiplexed optical communications
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