Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
08/2012
08/16/2012WO2012108109A1 Optical transmission device
08/16/2012WO2012107681A1 An optical pass-band filtering method and device and a device for inserting/extracting a frequency multiplexed optical sub-band into/from an optical signal
08/16/2012WO2012107321A1 Wdm pon with non tunable legacy onus
08/16/2012WO2012106946A1 Method, device and system for processing variable rate signals
08/16/2012WO2012106939A1 High speed optical transmission system, device and data processing method
08/16/2012WO2012106928A1 Method and device for receiving multi-carrier optical signals
08/16/2012WO2012106921A1 Nonlinear compensation method, device and signal receiving system
08/16/2012WO2012106920A1 Optical module, burst transmission method thereof, laser and optical network system
08/16/2012WO2012106917A1 Method and equipment for adjusting filter bandwidth of optical apparatus
08/16/2012WO2012106904A1 Wavelength access method and device
08/16/2012WO2012106886A1 Spectroscopic device, optical multiplex device and method, and optical add-drop multiplex apparatus
08/16/2012US20120207480 Optical signal controlling apparatus and method, and optical signal generating device including the optical signal controlling apparatus
08/16/2012US20120207479 Optical device with reduced thermal tuning energy
08/16/2012US20120207478 Optical transceiver installing cpu and interface communicating with upper device by mdio protocol
08/16/2012US20120207477 Optical transmission device and optical filter circuit
08/16/2012US20120207476 Data transmission system and method
08/16/2012US20120207475 Receiving apparatus, sending apparatus, system and method for optical polarization division multiplexing
08/16/2012US20120207474 Plc-type demodulator and optical transmission system
08/16/2012US20120207473 Optical network and method for processing data in an optical network
08/16/2012US20120207470 Spatial domain based multi dimensional coded modulation for multi tb per second serial optical transport networks
08/16/2012US20120207469 Span loss monitoring system, supervisory signal sending apparatus and supervisory signal receiving apparatus
08/15/2012EP2487831A1 Method and device for recognizing optical splitter and optical splitter ports
08/15/2012EP2487821A1 WDM PON with non tunable legacy ONUs
08/15/2012EP2487820A2 Optical transmission device and optical filter circuit
08/15/2012EP2487810A1 Differential encoding optical transceiver device
08/15/2012EP1958355B1 A method and device for generating an electrical signal with a wide band arbitrary waveform
08/15/2012EP1598972B1 Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus for that method
08/15/2012CN202385242U Asynchronous multi-wavelength mesh network self-adaptive node device based on optical packet switching
08/15/2012CN102640439A ROADM systems and methods of operation
08/15/2012CN102640438A Roadm transponder aggregator systems and methods of operation
08/15/2012CN102638304A Method and system for avoiding noise frequency in optical network
08/15/2012CN101771470B Method and device for receiving OPFDM-DQPSK signals
08/15/2012CN101557270B Full-optical Fourier converter, inverse converter and orthogonal frequency division multiplexing system
08/14/2012US8244142 Optical receiver having fractional sampling
08/14/2012US8244139 System and method for providing cascaded optical line terminals (OLTs) in passive optical networks (PONs)
08/14/2012US8244138 Polarization-multiplexing optical transmitter polarization-multiplexing optical receiver, polarization-multiplexing optical transceiving system, and controlling method thereof
08/14/2012US8244135 System and method for increasing upstream optical coding gain in a gigabit passive optical network (GPON)
08/14/2012US8244134 Optical interconnect
08/14/2012US8244133 Optical waveband demultiplexer, optical waveband multiplexer, and optical waveband selective switch
08/14/2012US8244132 Pre-compensation method for delays caused by optical fiber chromatic dispersion, multi-sub-carrier signal generator applying the method, and transmitter of optical-OFDM system applying the signal generator
08/14/2012US8244131 Optical wavelength multiplexing device, optical wavelength dividing device, optical wavelength dividing multiplexing device, and method of controlling optical band-pass filter
08/14/2012US8244130 Passive optical network system with mode-variable optical network unit
08/14/2012US8244129 Monitoring apparatus and method for polarization scrambler and optical transmission apparatus
08/14/2012US8244128 Optical waveguide multiplexer
08/14/2012US8243363 Optical signal processing apparatus, optical receiving apparatus, and optical relay apparatus
08/14/2012CA2703119C Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element
08/14/2012CA2543867C Wavelength manipulation system and method
08/09/2012WO2012105070A1 Optical receiver, polarization separation device and polarization separation method
08/09/2012WO2012104683A1 A method for configuring end-to-end lower order odu network trails across optical transport network
08/09/2012WO2012103962A1 Method of configuring an optical path, a path computation engine and an optical communications network node
08/09/2012WO2012103847A2 Wavelength division multiplexer and passive optical network system
08/09/2012WO2012103696A1 Optical line transmission protection system and method
08/09/2012US20120201543 Optical branching unit, optical communication system, and optical multiplexing method
08/09/2012US20120201542 Method and device for fiber access physical layer unbundling using multiple uplink cards
08/09/2012US20120201541 Routing, wavelength assignment, and spectrum allocation in wavelength convertible flexible optical wavelength-division multiplexing networks
08/09/2012US20120201540 Optical packet switching system and optical packet switching device
08/09/2012US20120201539 Photonic routing systems and methods for loop avoidance
08/09/2012US20120201538 Optical packet switching system and optical packet transmitter device
08/09/2012US20120201537 Optical packet switching system, optical packet switching device, and optical packet transmitter device
08/09/2012US20120201536 Method and System for Realizing Multi-Directional Reconfigurable Optical Add-Drop Multiplexing
08/09/2012US20120201535 Multiplexing in an Optical Transport Network (OTN)
08/09/2012US20120201534 Optical transmission apparatus and optical transmission system
08/09/2012US20120201533 Reference-Based In-Band OSNR Measurement on Polarization-Multiplexed Signals
08/08/2012EP2485418A1 Receiver, sending device, system of optic-demodulation of polarization multiplexing and method thereof
08/08/2012EP2485413A1 Multilevel modulated light transmitting/receiving apparatus and multilevel modulated light transmitting/receiving method
08/08/2012EP2484034A1 Improvements in extracting optical labels
08/08/2012EP2484031A1 Modulator with marking of polarization
08/08/2012EP2002574B1 A depolarised wdm source
08/08/2012EP1686714B1 Wavelength multiplex transmission system
08/08/2012EP1643663B1 A addressing method of quanta network and quanta network router
08/08/2012CN102629890A Expandable real-time electro-optical sensor network system
08/08/2012CN101635700B ASK/DPSK hybrid modulation method, device and system
08/08/2012CN101400005B Node information publishing method, system and device
08/07/2012US8238756 Long-reach passive optical network using remote modulation of an amplification optical signal
08/07/2012US8238754 System and method for pluggable optical modules for passive optical networks
08/07/2012US8238753 Optical line terminal
08/07/2012US8238752 PON (passive optical network) station side apparatus, PON uplink line communication method, and program recording medium
08/07/2012US8238751 Method and apparatus for enabling multiple optical line termination devices to share a feeder fiber
08/07/2012US8238750 Split/smart channel allocated WDM-PON architecture
08/07/2012US8238749 Distributing wavelength compatible with signaling protocols
08/07/2012US8238748 Method for wavelength assignment in a WDM network
08/07/2012US8238747 Method and apparatus for generating DQPSK encoding optical signal
08/07/2012US8238745 Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatus
08/07/2012US8238325 Packet communication network and packet communication method
08/07/2012US8238031 Eye piece and tunable chromatic dispersion compensator using the same
08/07/2012CA2401828C Method for transmitting additional optical signals in the s band
08/02/2012WO2012102950A1 Optical transport multiplexing client traffic onto parallel line system paths
08/02/2012WO2012102557A2 Optical network system between optical line terminals in a time division passive optical network
08/02/2012WO2012102358A1 Polarization multiplexing optical receiving device and polarization multiplexing optical receiving method
08/02/2012WO2012048021A3 Wavelength division multiplexed optical communication system having variable channel spacings and different modulation formats
08/02/2012US20120195595 Improvements in extracting optical labels
08/02/2012US20120195594 Optical Signal Transmission Device, Optical Signal Reception Device, Wavelength Division Multiplexing Optical Communication Device, and Wavelength Path System
08/02/2012US20120195593 Spectral alignment of a wdm device to a specified frequency grid
08/02/2012US20120195592 Minimizing Bandwidth Narrowing Penalties in a Wavelength Selective Switch Optical Network
08/02/2012US20120195591 Dual network types solution for computer interconnects
08/02/2012US20120195588 Optical ring networks having node-to-node optical communication channels for carrying data traffic
08/02/2012US20120195184 Systems and methods for orthogonal frequency divisional multiplexing
08/01/2012EP2482481A1 Method of optical data transmission
08/01/2012EP2482480A1 Optical network element for WDM
08/01/2012EP2481176A1 Multiport passive optical signal sharing device
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