Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
09/2011
09/06/2011US8014672 Optical wavelength multiplexing access system
09/06/2011US8014668 Method and system for distributed measurement and compensation of chromatic dispersion in an optical network
09/06/2011CA2531727C Multiple resonator and variable-wavelength light source using the same
09/01/2011WO2011104483A1 Method and device for verifying the operation of an optical network unit in a perturbed optical network
09/01/2011WO2011103931A1 Control of token holding in multi-token optical network
09/01/2011US20110211840 Remotely settable chromatic dispersion robustness for dense wave division multiplexing interfaces
09/01/2011US20110211839 Low-cost wdm source with an incoherent light injected fabry-perot laser diode
09/01/2011US20110211838 Low-cost wdm source with an incoherent light injected fabry-perot laser diode
09/01/2011US20110211836 System and Method for Optimizing the Selection of Ghost Channels in Mitigating Polarization Hole Burning
09/01/2011US20110211835 System and Method for Mitigating Polarization Hole Burning
09/01/2011US20110211834 Scheduling wdm pon with tunable lasers with different tuning times
09/01/2011US20110211833 Network device with uninterruptible power supply function
09/01/2011US20110211832 2-TO-1 OPTICAL COUPLER THAT UTILIZES D-SHAPED PLASTIC OPTICAL FIBERS (POFs), A BI-DIRECTIONAL OPTICAL COMMUNICATIONS LINK THAT EMPLOYS THE 2-TO-1 POF OPTICAL COUPLER, AND A METHOD
09/01/2011US20110211831 Wavelength division multiplexing transmission apparatus for controlling the wavelength of an fbtl optical module, and wavelength control method employed for wavelength division multiplexing transmission apparatus equipped with the fbtl optical module
09/01/2011US20110211830 Optical communication apparatus and optical add/drop apparatus
08/2011
08/31/2011CN1737619B Optical duplexer and optical triplexer
08/31/2011CN102171961A Method and device for signal processing and communication system comprising such device
08/31/2011CN102171951A Method for data processing in an optical network, optical network component and communication system
08/31/2011CN101521837B System and method for achieving online updating for dynamic wavelength division multiplexing passive optical network
08/30/2011US8009987 Optical add/drop multiplexer
08/30/2011US8009986 Optical node for mesh-type WDM optical network
08/30/2011US8009985 Traffic driven variable bandwidth optical transmission
08/25/2011WO2011103267A1 Secure key distribution for optical code division multiplexed based potical encryption
08/25/2011WO2011103239A1 Flexible branching unit and system including the same
08/25/2011US20110206377 Prioritized optical arbitration systems and methods
08/25/2011US20110206376 Method for data processing in an optical network, optical network component and communication system
08/25/2011US20110206375 Method, device, and system for optical polarization division multiplexing of optical carrier
08/25/2011US20110206373 Station side device and optical communication system
08/25/2011US20110205620 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
08/25/2011CA2789653A1 Flexible branching unit and system including the same
08/24/2011EP2359513A2 Wavelength division multiplexing transmission equipment
08/24/2011EP2359503A2 Optical channel monitor
08/24/2011EP2359114A2 High spatial resolution fiber optic temperature sensor
08/24/2011EP1364478B1 Method and system for handling optical signals
08/24/2011CN201945710U 微型滤波片的高隔离度的波分复用解复用器 Wavelength division demultiplexer micro filter sheet high isolation
08/24/2011CN102164017A Waveguide chip structure for four-way parallel digital modulation and orthogonal multiplexing
08/24/2011CN101145877B Optical forward board with multi-cast function and broadcast network with this optical forward board
08/23/2011US8005365 Radio frequency signal transfer system
08/23/2011US8005363 Passive optical network with wavelength division multiplexing
08/23/2011US8005362 Passive optical network system and optical line terminal
08/23/2011US8005361 Station-side optical network terminal apparatus, subscriber-side optical network terminal apparatus, and optical communication system
08/23/2011US8005360 PMDC feedback signal for alternate polarization DPSK system
08/23/2011US8005359 Network element for signals of the optical transport network (OTN)
08/23/2011US8005356 Video transmission system of a ring network
08/23/2011US8004751 Wavelength division multiplexing optical transmission system utilizing distributed raman amplification
08/18/2011WO2011098041A1 Method for encoding routing and wavelength assignment information for wavelength switched optical networks
08/18/2011US20110200338 Visible-light communication system system and method
08/18/2011US20110200335 Data channel organization for a switched arbitrated on-chip optical network
08/18/2011US20110200334 Wavelength Adjusting Method, Apparatus, and System
08/18/2011US20110200333 Method and apparatus for bidirectional optical link using a single optical carrier and colorless demodulation and detection of optical frequency shift keyed data
08/18/2011US20110200332 Shared-source-row optical data channel organization for a switched arbitrated on-chip optical network
08/18/2011US20110200331 Optical line terminal, method and system for packet transmission in optical communication system
08/18/2011US20110200330 Increasing the Number of Domain identifiers for Use by a Switch in an Established Fibre Channel Switched Fabric
08/18/2011US20110200327 Optical signal identifying or detecting method and apparatus, and identifying and detecting system
08/18/2011US20110200326 Passive optical network system and ranging method
08/18/2011US20110200324 Method and system for optical connection validation
08/18/2011US20110200322 Flexible Branching Unit and System Including the Same
08/18/2011CA2698300A1 Self-correcting wavelength collision avoidance system
08/17/2011EP2356761A1 Optical transmitter
08/17/2011EP1635211B1 Optical modulation apparatus
08/17/2011CN102158772A System and method for being compatible to broadcasting service in colorless wavelength division multiplexing passive optical network
08/17/2011CN102158411A Multi-chassis router with multiplexed optical interconnects
08/17/2011CN102158300A Method for establishing path in wavelength division network, communication node and communication system
08/17/2011CN101261340B Preparation method of high coding efficiency optical encoder adapting to different wavelength
08/17/2011CN101232331B Full light sub carrier modulating device and method in optical fiber radio down chain
08/16/2011US8000610 Monitoring mechanisms for optical systems
08/16/2011US8000606 Method for processing overheads of optical communication system and signal processing device
08/16/2011US8000605 Synchronous OTDM: gapped clock creation and duty cycle multiplication
08/16/2011US8000604 Orthogonal frequency division multiple access (OFDMA) based passive optical network (PON) architecture and its extension to long distance
08/16/2011US8000603 WDM systems and methods
08/16/2011US8000599 Optical transmission system and optical transmission method
08/16/2011CA2369754C A highly scalable modular optical amplifier based subsystem
08/11/2011WO2011096488A1 Transmission method, reception method, transmitter apparatus, and receiver apparatus
08/11/2011WO2011096020A1 Optical transmission apparatus
08/11/2011WO2011095520A1 Method and arrangement for transmitting an orthogonal frequency diversity multiplex signal via at least one optical filter
08/11/2011WO2011095500A1 Clock recovery method and clock recovery arrangement for coherent polarisation multiplex receivers
08/11/2011US20110194855 Superimposed training and digital filtering coherent optical receivers
08/11/2011US20110194854 Upstream efficiency improvement method for passive optical networks
08/10/2011EP2355432A1 Method and arrangement for transmitting an orthogonal frequency diversity multiplex signal via at least one optical filter
08/10/2011EP2355389A2 Optical transmission and reception system, and optical receiver
08/10/2011EP2355388A2 Optical network and control method therefor
08/10/2011EP2355378A1 Pluggable OLT in ethernet passive optical networks
08/10/2011EP2353231A1 Channel power control in an optical link
08/10/2011EP2353226A2 Visible ray communication system, transmission apparatus, and signal transmission method
08/10/2011EP2353225A2 Visible ray communication system and method for transmitting signal
08/10/2011CN201928291U 2.6GHz带宽的RFoG有线电视网络系统 2.6GHz bandwidth RFoG cable network system
08/10/2011CN102148643A Device for detecting wave-division multiplexing passive optical network failure and detection method thereof
08/10/2011CN102147505A Enhanced multi-body type optical equipment
08/10/2011CN101399629B Wavelength assignment form generation method and system thereof
08/10/2011CN101309123B Optical add/drop multiplexer
08/10/2011CN101150441B A system and method for automatic single board connection configuration in network management
08/10/2011CN101119163B WDM-PON method, system and optical line terminal for implementing multicast service
08/09/2011US7995924 Method and system for generating switching control signal separating transmission signal in optical repeater employing TDD scheme
08/09/2011US7995923 Controllable optical multiplexer
08/09/2011US7995922 Wave division multiplexing replacement of serialization
08/09/2011US7995921 Banded semiconductor optical amplifiers and waveblockers
08/09/2011US7995920 Optical network terminal power failure management
08/09/2011US7995919 Optical switch with power equalization
08/09/2011US7995891 Photonic band gap router
08/09/2011US7995454 Systems and method for orthogonal frequency divisional multiplexing
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