Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
04/2013
04/04/2013WO2013044954A1 Optical transmission apparatus
04/04/2013WO2013044863A1 Shared wavelength locker with a periodic transmission filter in a network communication path
04/04/2013US20130084073 Shared Wavelength Locker With A Periodic Transmission Filter In A Network Communication Path
04/04/2013US20130084072 Optical reception apparatus and optical network system
04/04/2013US20130084071 Manual ROADM front panel configuration
04/04/2013US20130084070 Optical transceiver including optical fiber coupling assembly to increase usable channel wavelengths
04/04/2013US20130084068 Optical transport network system, optical-signal transmission path selecting method, and optical transmission device
04/04/2013US20130084067 Optical repeater complying with redundant configuration
04/04/2013US20130084066 Layer 1 fast provisioning and right sizing of bandwidth for layer 2/3
04/04/2013US20130084064 Method and system of automatic regeneration of optical signals
04/03/2013EP2575277A2 Optical reception apparatus and optical network system
04/03/2013EP2575276A1 Integrated node architecture for optical packet rings
04/03/2013EP2574972A1 An optical switch method and an optical switch
04/03/2013CN202856738U Multifunctional integrated optical module
04/03/2013CN202855001U Nuclear power plant sensing fiber detection system capable of realizing multi-channel signal transmission
04/03/2013CN103023600A Multi-channel integrating light guide mode multiplexing-demultiplexing device
04/03/2013CN103023599A Reconfigurable optical add-drop multiplexer and reconfigurable optical add-drop multiplexing method
04/03/2013CN103023559A WDM-PON (wavelength-division-multiplexing passive optical network) system based on resource sharing protecting mechanism and method for protecting WDM-PON system based on resource sharing protecting mechanism
04/03/2013CN101755410B Passive optical network system for the delivery of bi-directional RF services
04/02/2013US8412050 Coaxial free space optical telescope and systems using the same
04/02/2013US8412047 Polarization multiplexed light transmitter and control method thereof
04/02/2013US8412046 In-service optical dispersion determining system and method
04/02/2013US8412045 Propagation apparatus and dispersion value setting method
04/02/2013US8412043 Optical communications network, power supply controlling method, station-side equipment, subscriber-side equipment, and semiconductor chip
04/02/2013US8412041 Subscriber premises side optical network unit and optical transmission system
04/02/2013US8412040 Method and apparatus for mapping traffic using virtual concatenation
04/02/2013US8412038 Optical transmission device, optical transmission system including the same, and optical transmission method
04/02/2013CA2463278C Transmitter photonic integrated circuits (txpic) and optical transport networks employing txpics
03/2013
03/28/2013WO2013043463A1 Method for generating an optimized return-to- zero pulse shape against aggressive optical filtering and an optical transmitter implementing the method
03/28/2013US20130077976 Transmitter and method for optical transmission
03/28/2013US20130077975 System and method for performing in-band reflection analysis in a passive optical network
03/28/2013US20130077974 System and method for identifying a target signal in an optical transport network frame structure
03/28/2013US20130077973 Spectrally efficient modulation for an optical-transport system
03/28/2013US20130077970 Path Computation Element Protocol (PCEP) Operations to Support Wavelength Switched Optical Network Routing, Wavelength Assignment, and Impairment Validation
03/28/2013US20130077969 Optical communication apparatus, optical communication system, and path control method
03/28/2013US20130077968 Transceivers with configurable integrated circuit
03/28/2013US20130077967 Optical Networks Using Multi-spatial Mode Media
03/28/2013US20130077966 Multimode base station and method of operation
03/28/2013US20130077964 Precise clock synchronization over optical fiber
03/28/2013US20130077640 System and method for communicating optical signals via communication cable medium
03/27/2013EP2573969A1 Method and device for generating signal
03/27/2013EP2573968A1 Method, device and system for establishing wavelength connection
03/27/2013EP2573967A1 System for interconnecting nodes attached to a passive optical network
03/27/2013EP2573966A1 A wavelength locking method for an optical transceiver device and optical transceiver device
03/27/2013EP2572461A1 Optical network unit, method for processing data in an optical network and communication system
03/27/2013CN103004231A Random gap insertion in an optical ring network
03/27/2013CN103001725A Noise reduction in optical communications networks
03/27/2013CN103001724A Optical add drop multiplexing method for photonic carriers in OOFDM (optical orthogonal frequency division multiplexing) signals and optical add drop multiplexer
03/27/2013CN102997047A System for multiplexing/de-multiplexing natural gas pipe leakage optical fiber monitoring sensor
03/27/2013CN101843047B Optical network unit
03/27/2013CN101714901B Method and device for optimizing wavelength division multiplexing power
03/27/2013CN101711002B Wavelength routing method and system based on wavelength division multiplexing optical network
03/27/2013CN101610128B Method for realizing fast route convergence by optical transport network (OTN) overheads
03/27/2013CN101521555B Code division multiplex communication system
03/27/2013CN101490991B Passive fiber organizer for mesh network node interconnections
03/27/2013CN101383677B Star type optical fiber grating sensing network based on CDMA multiplexing and demodulation method
03/27/2013CN101120525B Wireless signal distribution system and method
03/26/2013US8406638 Coherent light receiving system
03/26/2013US8406633 Method and apparatus for data frame synchronization and delineation
03/26/2013US8406631 Network timing
03/26/2013US8406630 Optical WDM transmitting and receiving device and optical transceiver unit for this device
03/26/2013US8406629 Architecture to communicate with standard hybrid fiber coaxial RF signals over a passive optical network (HFC PON)
03/26/2013US8406628 Method, equipment, and system for detecting and authenticating terminal in passive optical network
03/26/2013US8406627 Stacking of units in a passive optical network
03/26/2013US8406625 Apparatus and method for cross-connecting optical path in wavelength division multiplexing system
03/26/2013US8406624 Degree extending method and optical hub node apparatus
03/26/2013US8406623 Data channel organization for a switched arbitrated on-chip optical network
03/26/2013US8406622 1:N sparing of router resources at geographically dispersed locations
03/26/2013US8406115 Systems and methods for orthogonal frequency division multiplexing
03/26/2013CA2642347C Point-to-multipoint high data rate delivery systems from optical node in hfc systems over existing and advanced coaxial network
03/26/2013CA2453710C Wdm ring network for flexible connections
03/21/2013WO2013039960A1 Interferometer configured for signal processing in an interference path
03/21/2013WO2013037570A1 Allocation of spectral capacity in a wavelength-division multiplexing optical network
03/21/2013WO2013037429A1 A method and apparatus for allocating slots for transmission of data
03/21/2013WO2013037426A1 Wson restoration
03/21/2013WO2013037282A1 System and method for ofdm signal dispersion compensation
03/21/2013WO2012103851A3 Remote node and passive optical network system
03/21/2013US20130071122 Optical communication system, optical receiver, optical transponder, wavelength multiplexing optical communication system, wavelength multiplexing receiving device, and wavelength multiplexing optical transponder
03/21/2013US20130071121 Wavelength-division multiplexing for use in multi-chip systems
03/21/2013US20130071120 Digitizer for use in an overlay system with digital optical transmitter for digitized narrowcast signals
03/21/2013US20130071119 Communication through pre-dispersion-compensated phase-conjugated optical variants
03/21/2013US20130071117 Encoding & Processing of Signaling Messages for ODU SMP
03/21/2013US20130071116 Virtual core router and switch systems and methods with a hybrid control architecture
03/21/2013US20130071115 Few mode optical fibers for mode division multiplexing
03/21/2013US20130071114 Few mode optical fibers for mode division multiplexing
03/21/2013US20130071111 Apparatus and method for managing dynamic bandwidth allocation to support low-power mode in passive optical network (pon)
03/21/2013US20130071105 High Speed Multi-Mode Fiber Transmissions via Orthogonal Wavefronts
03/21/2013US20130071104 Optical transmission system and noise suppression method
03/21/2013US20130070786 Communication Through Phase-Conjugated Optical Variants
03/21/2013US20130070785 Performance enhancement through optical variants
03/21/2013US20130070320 Optical Processing
03/20/2013EP2571184A1 Allocation of spectral capacity in a wavelength-division multiplexing optical network
03/20/2013EP2569883A1 Optical line termination device allowing the implementation of an ofdm modulation technique
03/20/2013CN202818321U 模块化多业务光纤通讯设备 Modular multi-service optical communications equipment
03/20/2013CN202818307U Optical fiber transceiver based on wavelength division multiplexing
03/20/2013CN202818301U RFoG optical module applied to tri-network integrated network
03/20/2013CN102986154A Use of multiple shared wavelength lockers to stabilize transuponders in a wavelength division multiplexing (WDM) network
03/20/2013CN102984604A System and method for data interaction
03/20/2013CN101807958B On-line upgrading capacity expansion power adjusting method of wavelength division multiplexing optical transmission system
03/20/2013CN101562492B Optical code division multiplexing module, optical code division multiplex communication system, and communication method
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