Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
03/2013
03/20/2013CN101510810B Device and method for automatically closing laser based on light sensitive element
03/20/2013CN101442377B Passive optical network system and transmission method and equipment thereof
03/19/2013US8401808 Wavelength-multiplexed optical signal measurement device and the method thereof
03/19/2013US8401405 Monolithic widely-tunable coherent receiver
03/19/2013US8401399 Chip-based advanced modulation format transmitter
03/19/2013US8401392 Flexible branching unit and system including the same
03/19/2013US8401391 Channel power management in a branched optical communication system
03/19/2013US8401390 Optical connecting apparatus
03/19/2013US8401389 Method and system for compensating for optical dispersion in an optical signal
03/19/2013US8401388 Optical transmitter
03/19/2013US8401386 Optical transmission apparatus
03/19/2013US8401385 Optically switched communication network
03/19/2013US8401384 Optical access system, optical switching unit and optical line terminal
03/19/2013US8401383 Data transmission method and network for transmitting a digital optical signal over optical transmission links and networks
03/19/2013US8401348 Methods and apparatus for constructing large wavelength selective switches using parallelism
03/19/2013CA2385457C Receiver and method for a multichannel optical communication system
03/14/2013WO2013036945A1 Arrangement for deploying co-existing gpon and xgpon optical communication systems
03/14/2013WO2013034311A1 Photonic integrated transmitter device, photonic integrated receiver device, and active optical cable transceiver system
03/14/2013WO2013034201A1 Path computation in wavelength switched optical networks
03/14/2013US20130064546 Photonic communications device with an fm/pm discriminator and related methods
03/14/2013US20130064545 Point-to-Multipoint Simultaneous Optical Transmission System
03/14/2013US20130064544 Control of token holding in multi-token optical network
03/14/2013US20130064543 Optical transmission system and multi-core optical fiber
03/14/2013US20130064542 Optical frequency locking method and device for optical data transmission
03/14/2013US20130064539 Transparent Overhead In a Passive Optical Network that Supports Enhanced Features
03/13/2013EP2568626A1 Bi-direction optical sub-assembly and optical transceiver
03/13/2013EP2567550A1 Selecting an optical path for a new connection with the minimum number of optical regenerators
03/13/2013CN202798731U 100G-CFP optical module with integrated photodetectors
03/13/2013CN102971975A Method and apparatus for carrier phase estimation and correction in a coherent optical system
03/13/2013CN102970101A Generation method and transmission system for WDM-ROF (wavelength division multiplexing-radio over fibre) carrier wave with high spectral efficiency
03/13/2013CN102970100A Multichannel wavelength division multiplexing visible light communication system based on red green blue (RGB) light-emitting diode (LED)
03/13/2013CN102970099A Reconfigurable optical add-drop multiplexer (ROADM) node, optical wavelength correction frequency shifter and implementation method
03/13/2013CN101646106B Passive optical network system, optical multiplexing terminator and optical network terminal
03/12/2013US8396374 Digital signal processing optical transmission apparatus
03/12/2013US8396371 Orbital angular momentum in spatially multiplexed optical fiber communications
03/12/2013US8396367 High frequency optical processing
03/12/2013US8396365 Customer premises optical network unit
03/12/2013US8396364 System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks
03/12/2013US8396359 Method for engineering connections in a dynamically reconfigurable photonic switched network
03/12/2013CA2644351C Photonic cross-connect
03/12/2013CA2614273C Network with a fast-switching optical core
03/12/2013CA2419793C System, device, and method for managing communication services in an optical communication system
03/07/2013WO2013033703A1 Method and apparatus for space-division multiplexing systems
03/07/2013WO2013033448A1 Methods and apparatuses for dwdm multi-mode switching router and dynamic multi-mode configuration and reconfiguration
03/07/2013WO2013032954A1 High speed free-space optical communications
03/07/2013WO2013009483A3 Method and system for wireless transmission of analog signals between antenna and baseband processor
03/07/2013US20130058656 Optical transmission device, scrambling method, and descrambling method
03/07/2013US20130058655 Transmission apparatus for optical transport network, and staff control method therefor
03/07/2013US20130058653 Optical network unit, method for processing data in an optical network and communication system
03/07/2013US20130058650 Method and system for flexible optical signal aggregation and transmission
03/07/2013US20130058649 Method and apparatus for processing optical signals
03/07/2013US20130058648 Variable Rate Optical Transmitter Based on All-Optical OFDM Super-Channel Technology
03/06/2013EP2566112A1 Communication system, station side communication device, user side communication device, communication method, and control device
03/06/2013EP2566083A2 Optical multiplexing apparatus and optical network system
03/06/2013EP2566082A1 Method for transmitting a signal in a wavelength division multiplexing optical network
03/06/2013EP2565691A1 Spectroscopic device, optical multiplex device and method, and optical add-drop multiplex apparatus
03/06/2013EP2564532A1 Reconfigurable optical add drop multiplexer node automated topology discovery systems and methods
03/06/2013EP2564531A1 Optical access network
03/06/2013CN202771035U CWDM module
03/06/2013CN102959887A Wavelength multiplex transmission device
03/06/2013CN102959883A Optical add-drop multiplexer (OADM) devic
03/06/2013CN102957477A Signal detection method and optical signal reception system
03/06/2013CN101636940B Transmission path monitoring method and device
03/05/2013US8391718 Passive optical communication network system extendable with codec modules
03/05/2013US8391717 Flow-control methods and systems for multibus systems
03/05/2013US8391715 Passive optical network system
03/05/2013US8391714 Optical broadcast systems and methods
03/05/2013US8391713 Testing optical networks
03/05/2013US8391712 Coherent optical signal processing
03/05/2013US8391711 Optical relay system and network control device
03/05/2013US8391709 MxN wavelength selective switch
03/05/2013US8391706 Optical signal division transmission system, optical transmitter, optical receiver, and optical signal division transmission method
03/05/2013US8391308 Docsis pon
02/2013
02/28/2013WO2013028241A1 Systems and methods for a cross-layer optical network node
02/28/2013WO2013028108A1 Pon supervision using otdr measurements
02/28/2013WO2013027894A1 Method for combining and operating an optical monitor for an elevator and an optical relay system for mobile communication
02/28/2013WO2013026499A1 Apparatus and method for an optical network
02/28/2013WO2013026498A1 Routing and bandwidth assignment for flexible grid wavelength switched optical networks
02/28/2013WO2012145165A3 Transport of multiple asynchronous data streams using higher order modulation
02/28/2013US20130051805 Control System For An Aerially Moved Payload
02/28/2013US20130051804 Ofdm optical transmitter and transmission method, and ofdm optical receiver and reception method
02/28/2013US20130051803 Optical multiplexing apparatus and optical network system
02/28/2013US20130051802 Optical network system, optical line terminal, optical network unit and optical distribution network apparatus
02/28/2013US20130051801 Method and Arrangement for Transmitting an Optical Transmission Signal with Reduced Polarisation-Dependent Loss
02/28/2013US20130051800 System for integration of channels with quantum information in communication networks
02/28/2013US20130051797 MEthod for Energy Efficient Reoptimization of Optical Networks
02/28/2013US20130051787 Optical transmission device and optical transmission network system
02/27/2013EP2562950A1 Calculation method and device for wavelength assignment
02/27/2013EP2562947A1 Method, apparatus and system for passive optical network communication
02/27/2013EP2562946A1 Node device
02/27/2013EP2562944A1 Optical communication system
02/27/2013EP2561636A1 Architecture for service aggregation in an interconnection node
02/27/2013EP2180614B1 Optical line terminal, passive optical network and radio frequency signal transmission method
02/27/2013CN101753251B Optical signal depolarization method, device and system
02/27/2013CN101557271B High speed full optical Orthogonal Frequency Division Multiplexing system and method thereof
02/27/2013CN101442376B Optical transmission system and optical node
02/26/2013US8385750 Optical transmission device
02/26/2013US8385749 High speed optical transmitter with directly modulated laser source
02/26/2013US8385744 Delay control method in passive optical network, an optical line terminal and a passive optical network
02/26/2013US8385743 Channel allocation method for multi-channel optical transmission and optical transmission system utilizing the method
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