Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
03/2010
03/11/2010US20100061729 Method and system for optical transmission
03/11/2010US20100061728 Object Modeling Scheme For Next Generation Network Wavelength Division Multiplexing
03/11/2010US20100061727 HITLESS MxN WAVELENGTH SELECTIVE SWITCH
03/11/2010US20100061726 Dynamically Reconfiguring An Optical Network Using An Ethernet Switch
03/11/2010US20100061725 Method and device for mapping ethernet code blocks to otn for transmission
03/11/2010US20100061724 Hierarchical Routing Query Method of Automatic Switched Optical Network
03/11/2010US20100061722 Network design apparatus and network design method
03/11/2010US20100061720 Provision of Alternative Communications Paths in a Communications Network
03/11/2010US20100061470 Sliceable router with packet over optical ofdm transmission
03/10/2010EP2161866A1 Upgrading method, system and apparatus of low-density wavelength division multiplexing sysytem
03/10/2010EP2161800A1 A method and system for controlling wavelengths of multi-path lasers
03/10/2010CN101667880A Polarization multiplexing system for overcoming crosstalk between two polarization channels caused by optical fiber PDL
03/10/2010CN101667879A Method and system capable of realizing multidirectional reconfigurable optical add-drop multiplexing
03/09/2010US7676160 Supervisory controlling method and supervisory controlling system of optical repeater
03/09/2010US7676159 All-optical header processing and packet switching
03/09/2010US7676157 Method and apparatus for providing gain equalization to an optical signal in an optical communication system
03/09/2010US7676156 Method and system for multiplexed optical information transport
03/09/2010US7676155 Dynamic wavelength allocation device using 3R wavelength converter having limited wavelength conversion range and method thereof
03/09/2010US7676154 Method and system for configuring a connection-oriented packet network over a wavelength division multiplexed optical network
03/09/2010US7676153 Digital delay device
03/09/2010US7676127 Optical communication system using WDMA and CDMA
03/09/2010US7675843 Multipoint-to-point communication using orthogonal frequency division multiplexing
03/04/2010US20100054743 Method and device for digitising an electrical signal
03/04/2010US20100054742 Multi-core holey fiber and optical transmission system
03/04/2010US20100054741 Wavelength routing system
03/04/2010US20100054740 Method and network architecture for upgrading legacy passive optical network to wavelength division multiplexing passive optical network based next-generation passive optical network
03/04/2010US20100054739 Method for coordinating an uplink tdma access shared by several sub-networks of a passive optical network (pon)
03/04/2010US20100054738 Control apparatus, polarization multiplexing light modulator, light transmitting apparatus, and method of controlling polarization multiplexing light modulator
03/04/2010US20100054737 Parallel Optical Polarization Tracking
03/04/2010US20100054736 United route query method in the automatic switched optical network
03/04/2010US20100054731 Methods and systems for the hierarchical mesh restoration of connections in an automatically switched optical network
03/04/2010US20100054263 Multichannel ring and star networks with limited channel conversion
03/03/2010EP2160045A1 Optical packet communication node
03/03/2010EP2159937A1 Method for coordinating an uplink TDMA access shared by several sub-networks of a Passive Optical Network (PON)
03/03/2010EP2158710A2 Periodically filtered broadband light source
03/03/2010CN201418139Y Multifunctional bidirectional optical receiver
03/03/2010CN100593292C Generating sets of tailored laser pulses
03/02/2010US7673081 Method for data and signal transfer between different sub-units of a medically-related system
03/02/2010US7672599 Intra-channel nonlinearity compensation for optical data communications
03/02/2010US7672598 Carrier signal suppression and extraction system
03/02/2010US7672593 OTDM transmission method and apparatus
03/02/2010US7672592 Optical transmitter system
03/02/2010US7672591 System and method for a subscriber-powered network element
03/02/2010US7672589 Method and polarization-multiplex system for reducing the signal degradation of an optical polarization-multiplex signal
03/02/2010US7672587 Reconfigurable semitransparent optical switching device
03/02/2010US7672586 Allocating connections in a communication system
03/02/2010US7672585 Optical switch system
03/02/2010US7672329 Method and apparatus for multiplexing and demultiplexing data, and computer product
03/02/2010US7672219 Multipoint-to-point communication using orthogonal frequency division multiplexing
02/2010
02/27/2010CA2676876A1 Single-rotator circulating switch
02/27/2010CA2676868A1 Time-coherent global network
02/25/2010WO2010020295A1 Improvements in or relating to modulation in an optical network
02/25/2010WO2010020279A1 Switch node
02/25/2010WO2010020250A1 A method for equalization of transients in an input optical signal
02/25/2010WO2010020175A1 Signal assembling/disassembling apparatus, method and system
02/25/2010WO2010020174A1 Protection method and system with shared sub-wavelength path implemented by electric-cross mode
02/25/2010WO2010020130A1 A packet add/drop multiplexing device and a data transmission method of a packet add/drop multiplexing device
02/25/2010US20100046951 Method, apparatus and system for transporting multi-lane ethernet signal
02/25/2010US20100046950 Seeding wdm pon system based on quantum dot multi-wavelength laser source
02/25/2010US20100046949 Method of Wavelength Alignment for a Wavelength Division Multiplexed Passive Optical Network
02/25/2010US20100046948 System and method for receiving high spectral efficiency optical dpsk signals
02/25/2010US20100046946 Wdm pon rf overlay architecture based on quantum dot multi-wavelength laser source
02/25/2010US20100046945 Multiple Star Wavelength Division Multiplexing Passive Optical Networks Using a Wavelength Assignment Method
02/25/2010US20100046944 Optical channel monitor
02/25/2010CA2734782A1 Switch node
02/24/2010EP2157722A1 WDM PON RF overlay architecture based on quantum dot multi-wavelength laser source
02/24/2010EP2157715A1 A method for equalization of transients in an input optical signal
02/24/2010EP2157713A1 Light mark, method and device for light mark modulating and demodulating
02/24/2010EP2157711A1 Optical transmission system, apparatus and method
02/24/2010EP2156592A1 Response to otuk-bdi for otn interfaces to restore bidirectional communications
02/24/2010CN101656591A Wavelength division multiplex transmission system
02/24/2010CN101656590A Novel coding way for reconfigurable optical add/drop multiplexer in GMPLS protocol family
02/24/2010CN101656589A Method and device for optimizing DWDM network channel
02/24/2010CN100592702C Dynamic routing in packet-switching multilayer communication networks
02/24/2010CN100592668C Methods of connecting and testing interfaces for CWDM fiberoptic systems
02/24/2010CN100592665C Ring type optical transmission system and optical apparatus connected to same
02/23/2010US7669224 ONU and method for converting/combining frequency, and apparatus and method for converting/combining frequency in CATV headend system
02/23/2010US7668461 Method for optimizing the optical power in an optical network and an optical network
02/23/2010US7668460 Method and system for avoiding amplified spontaneous emission loops in an optical network
02/23/2010US7668184 Method and system for designing ring-based telecommunications networks
02/18/2010US20100040374 Integration of laser sources and detectors for a passive optical network
02/18/2010US20100040373 Optical transmission device
02/18/2010US20100040372 Wireless over pon
02/18/2010US20100040371 Method, equipment, and system for detecting and authenticating terminal in passive optical network
02/18/2010US20100040370 Frame generating apparatus, optical transmission system, frame generating method, and optical transmission method
02/18/2010US20100040369 Time synchronization method and device in passive optical network and passive optical network
02/18/2010US20100040368 Method and system for managing off-net virtual connections
02/18/2010US20100040367 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method
02/17/2010EP2154799A1 Method and apparatus for generating dqpsk encoding optical signal
02/17/2010EP1540858B9 Method for the transmission of polarisation multiplexed optical signals
02/17/2010CN100591165C System and method for WDM communication with interleaving of optical signals for efficient wavelength utilization
02/17/2010CN100590997C Spending processing method for service integration in OTN network
02/16/2010US7664405 Pluggable optical diplexer/triplexer module
02/16/2010US7664403 Synchronizing nodes in an optical communications system utilizing frequency division multiplexing
02/16/2010US7664399 Optical communication device
02/16/2010US7664398 ONU management method and optical line termination
02/16/2010US7664397 Optical network system
02/16/2010US7664396 1+1 protection method of services in OBS networks, intersection node apparatus and service protection system
02/16/2010US7664395 Optical processing
02/16/2010US7664029 Method of determining a spectral route for a given connection in an optical telecommunications network
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