Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
11/2012
11/28/2012CN101079679B Optical multiplex communication system and delay quantity adjustment method
11/27/2012US8320779 Light receiver, optical communication system and method
11/27/2012US8320772 Optical transmission apparatus
11/27/2012US8320763 Planar lightwave circuit (PLC) device wavelength tunable light source comprising the same device and wavelength division multiplexing-passive optical network (WDM-PON) using the same light source
11/27/2012US8320762 Methods and systems for bandwidths doubling in an ethernet passive optical network
11/27/2012US8320761 Broadband and wavelength-selective bidirectional 3-way optical splitter
11/27/2012US8320760 Passive optical network with asymmetric modulation scheme
11/27/2012US8320759 Methods and apparatus for reconfigurable add drop multiplexers
11/27/2012CA2463500C Transmitter photonic integrated circuit (txpic) chip architectures and drive systems and wavelength stabilization for txpics
11/22/2012WO2012158080A1 Protection for fibre optic access networks
11/22/2012WO2012158079A1 Enabling communication between two end terminals in a fibre optic network
11/22/2012WO2012156706A2 Polarization multiplexed signaling using time shifting in return-to-zero format
11/22/2012WO2012155715A1 Method and device for demodulating optical pilot tone signal
11/22/2012WO2012097401A3 Self-tuning receiver for coherent optical ofdm
11/22/2012US20120294618 Reconfigurable Optical Add/Drop Multiplexer and Reconfigurable Optical Add/Drop Multiplexing Method
11/22/2012US20120294617 Virtual Network Control Method and System Based on Fluctuations
11/22/2012US20120294616 Optical communication system, optical transmitter, optical receiver, and optical transponder
11/22/2012US20120294614 Symmetric Coherent OFDMA-PON Configuration with Low-Speed ONU-Side
11/22/2012US20120294612 Optical packet signal transmission device and wdm optical communication network
11/22/2012US20120294611 Dynamic Bandwidth Allocation for Congestion Management in PON Channel Aggregation
11/22/2012US20120294610 Methods and systems for automatic carving and policy enforcement for optical transport network hierarchy
11/22/2012US20120294609 Method and system for data synchronization in passive optical networks
11/22/2012US20120294607 Optical pumping and powering in spatially multiplexed transmission links
11/21/2012EP2525517A1 An optical wavelength division multiplex (WDM) transmission system, especially a WDM passive optical network
11/21/2012EP2524458A1 Network element
11/21/2012EP2524457A1 Routing through network having optical and electrical layers
11/21/2012CN1547050B Optimizing combination of time division light cross connection
11/21/2012CN102790653A Reconfigurable optical add-drop multiplexer and reconfigurable optical add-drop multiplexing method
11/21/2012CN101848115B Fault point positioning method and device of wavelength division path
11/21/2012CN101656894B Packet add/drop multiplexing equipment and data transmission method for same
11/21/2012CN101316141B Band width distribution method, device, communication apparatus and system
11/21/2012CN101001126B Optical mm wave generating and wavelength reuse method and system in all-duplex communication radio Over-Fiber
11/20/2012US8315525 Amplification of interleaved optical signals
11/20/2012US8315524 Electro-optic conversion module, optic-electro conversion module and conversion methods thereof
11/20/2012US8315523 Communication system, terminating apparatus, and PON virtualization method for use therein
11/20/2012US8315522 Wavelength routing system
11/20/2012US8315520 Method, system and apparatus for transmitting data
11/20/2012US8315267 Method and arrangement for an improved buffer solution within a communication network switch
11/20/2012US8315150 Synchronized multipoint-to-point communication using orthogonal frequency division
11/15/2012WO2012153940A2 Multi -wavelength optical transmitter module using vcsel, optical transceiver module and bidirectional optical transceiver
11/15/2012WO2012152343A1 Add and drop switch/aggregator for optical communications networks
11/15/2012WO2012151873A1 Method and apparatus for adjusting general communication channel rate
11/15/2012WO2012121850A3 Adjustable multiple-channel optical switch
11/15/2012US20120288281 Multi-drop optical communication
11/15/2012US20120288279 Power control in an optical network unit
11/15/2012US20120288278 Passive optical splitter and passive optical network system
11/15/2012US20120288277 Transmission apparatus and method for serial and parallel channel interworking in optical transport network
11/15/2012US20120288276 Wdm optical transmission system and wavelength dispersion compensation method
11/15/2012US20120288275 Polarization and Differential-Group-Delay Insensitive Digital Timing Error Detection for Polarization-Multiplexed Coherent Optical Systems
11/15/2012US20120287949 Polarization multiplexed signaling using time shifting in return-to-zero format
11/14/2012EP2523379A1 Device for distributing telecommunication signals
11/14/2012EP2522092A1 Method for activating a card, preferably in an already activated receptacle
11/14/2012EP2522091A1 Method for managing the transmission of optical signals
11/14/2012EP2392089B1 Optical communications network node and method of controlling data transmission between optical communications network nodes
11/14/2012CN102783177A Data processing of an optical network element
11/14/2012CN102783067A Element of a wavelength division multiplexing optical network
11/14/2012CN102783066A Path computation element protocol (PCEP) operations to support wavelength switched optical network routing, wavelength assignment, and impairment validation
11/14/2012CN101611575B Method and arrangement for controlling a regenerator for data burst signals of a system comprising point-to-multipoint connections, and transmission system comprising point-to-multipoint connections
11/13/2012US8311412 Distributed cable modem termination system
11/13/2012US8311411 Method and device for polarization of an optical radiation
11/13/2012US8311410 Optical switch and optical waveform monitoring device utilizing optical switch
11/08/2012WO2012151362A2 Methods and apparatus for long-distance transmission across multi-mode fibers
11/08/2012WO2012150197A1 Wdm telecommunications link with coherent detection and optical frequency comb sources
11/08/2012WO2012150127A1 Optical receiver for multimode communications
11/08/2012WO2012149913A1 Optical signal receiving method and device
11/08/2012WO2012149813A1 Optical network system, method for upgrading optical network system, and optical distribution network
11/08/2012WO2012149810A1 Passive optical network system and downlink transmission method thereof
11/08/2012WO2012149804A1 Method, system and node device for establishing wavelength cross-connect
11/08/2012WO2012149780A1 Method, system, and apparatus for transmitting data information by using optical signals
11/08/2012WO2012149764A1 Wavelength distribution method, optical network unit and optical network system in optical communication system
11/08/2012WO2012149709A1 Method, apparatus and optical network system for detecting fault in optical distribution network
11/08/2012US20120281985 Transmitting apparatus and signal transmitting method
11/08/2012US20120281984 Method and apparatus for enabling multiple passive optical networks to share one or more sources
11/08/2012US20120281983 Method and apparatus for generating resize control overhead in optical transport network
11/08/2012US20120281979 Optical network with light-path aggregation
11/07/2012EP2521294A1 System and method for distributing digital signals over long-distance switched optical transport networks
11/07/2012EP2521293A1 Transmission method, reception method, transmitter apparatus, and receiver apparatus
11/07/2012EP2521290A1 Extender box and processing method for uplink and downlink light thereof
11/07/2012EP2521289A1 Optical receiver for multimode communications
11/07/2012EP2519850A1 Connection box for distributed networks based on glass fibre
11/07/2012EP2519849A1 Connection box for fibre-optic connection
11/07/2012CN102771071A System and method for distributing digital signals over long-distance switched optical transport networks
11/07/2012CN102771067A Method and apparatus for preventing signal interference in a passive optical network
11/07/2012CN102122028B Chirp sparkling fiber bragg grating-based wavelength division multiplexing device and machining method thereof
11/07/2012CN101931554B Variable-wavelength optical transmission device for multi-channel digital and analogue signals and working method thereof
11/07/2012CN101588210B Dispersion compensation circuitry and system for analog video transmission with direct modulated laser
11/07/2012CN101552933B Optical network self-adapting route system for low/middle orbit double-layer satellite and calculating method of agent route
11/07/2012CN101267276B Multiplexed optical signal transmission apparatus
11/06/2012US8306431 Optical transmission system
11/06/2012US8306427 WDM transmission apparatus, optical add-drop multiplexer and WDM transmission method
11/06/2012US8306426 Optical code division multiplexing communication system and method for correcting failure of the same
11/06/2012US8306425 High-degree reconfigurable optical add-drop multiplexing systems using bi-directional wavelength selective switches
11/06/2012US8306424 Remodulating channel selectors for WDM optical communication systems
11/06/2012US8306423 Method and optical network component for signal processing in an optical network and communication system
11/06/2012US8306422 WDM PON protection scheme using a dual port arrayed waveguide grating (AWG)
11/06/2012US8306420 Optical network real time latency measurement systems and methods
11/06/2012US8306418 Data pattern dependent distortion compensation in a coherent optical signal receiver
11/06/2012US8306369 Optical hybrid circuit, optical receiver, and optical receiving method
11/06/2012US8306052 High-capacity packet-switched ring network
11/06/2012US8305881 Method and system for maximizing wavelength reuse in optically protected WDM networks
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