Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
01/2012
01/05/2012US20120002962 Wdm signal light monitoring apparatus, wdm system and wdm signal light monitoring method
01/05/2012US20120002671 Method and device for transmitting optical channel transport unit signal
01/04/2012EP2403172A2 Optical add drop multiplexer
01/04/2012EP2403171A1 Method, device and system for issuing the routing protocol message and computing the routing
01/04/2012EP2403170A1 A reconfigurable optical add and drop wavelength multiplexer for an optical network using wavelength division multiplexing
01/04/2012EP2403169A1 A method in an optical network to allocate a total optical bandwidth
01/04/2012EP2403163A1 Method and system for generation of QAM formats for applications in optical communication
01/04/2012EP2401828A1 Dynamic scheduling using pon bandwidth allocation on lower aggregation levels
01/04/2012EP2284513B1 Wavelength multiplexed signal measurement device and method
01/04/2012EP2062076B1 Method and system for grating taps for monitoring a dwdm transmitter array integrated on a plc platform
01/04/2012EP1568165B1 Reconfigurable optical add/drop multiplexer with buried dispersion compensation module
01/04/2012CN202103671U Optical access network link two-dimensional optical orthogonal-code monitoring system
01/04/2012CN102308504A Wavelength access method and device
01/04/2012CN102307064A Frequency-shift-based multi-system analogue fiber broadband access system and transmission method thereof
01/04/2012CN101813805B Double-ring resonance four-path reconfigurable optical add-drop multiplexer structure
01/04/2012CN101534164B Method and system for transmitting signal by optical transmitting network
01/04/2012CN101453266B Laser security protection method and apparatus in optical communication system
01/03/2012US8090268 Long-distance synchronous transmission method using optical fiber
01/03/2012US8090262 Service handover method, optical network system, handover equipment and PE equipment in an OVPN
01/03/2012US8090261 Network system, optical line terminating apparatus, and optical network apparatus
01/03/2012US8090257 Optical communication system, optical communication apparatus, and method of monitoring fault alarm in path section detour
01/03/2012US8089853 Systems and method for orthogonal frequency divisional multiplexing
01/03/2012US8089683 Optical processing
12/2011
12/29/2011WO2011161929A1 Wavelength multiplex transmission device
12/29/2011WO2011161637A2 Optical network unit, optical access network and a method for exchanging information
12/29/2011WO2011160164A1 Photonic monitoring for optical signals
12/29/2011US20110318011 Tenant isolation in a multi-tenant cloud system
12/29/2011US20110318010 Dispersion slope compensation method and apparatus
12/29/2011US20110318009 Pon system, optical network unit used therein, and transmission control method therefor
12/29/2011US20110318008 Optical line terminal and optical network unit
12/29/2011US20110318007 Optical transmission system
12/29/2011US20110318006 Multiple input/output wavelength selective switch device
12/29/2011US20110318005 Polarization multiplexing optical transmission system, polarization multiplexing optical receiver and polarization multiplexing optical transmission method
12/29/2011US20110318004 Transmission and routing of optical signals
12/29/2011US20110318003 Optical switching and termination apparatus and methods
12/29/2011US20110318002 Passive optical network processor with a programmable data path
12/29/2011US20110318001 Method and device for sending and receiving service data
12/29/2011US20110317999 Wavelength division multiplex device, wavelength division multiplex transmission system, and wavelength multiplex signal control method
12/29/2011US20110317995 Passive optical network protection method, switchover control device, and passive optical network protection system
12/29/2011US20110317255 Transmission apparatus and transmission system
12/28/2011EP2399374A2 Optical chips and devices for optical communications
12/28/2011EP2314076B1 Method for localizing an optical network termination in an optical access network
12/28/2011EP2311211B1 Subcarrier multiplex system
12/28/2011CN1866807B 光脉冲时间扩散装置 Optical pulse time spreading device
12/28/2011CN102301627A 光通信网络节点和控制光通信网络节点之间数据传送的方法 The method of data transfer between the optical communication network node and a control node of an optical communications network
12/28/2011CN101483793B 光标签编解码方法及编解码器 Light label codecs and codec method
12/28/2011CN101193050B 一种光突发网络中核心节点交换设备收发数据的方法 Methods An optical burst switching core nodes in the network devices send and receive data
12/27/2011US8086114 Filter coefficient changing apparatus and method
12/27/2011US8086109 Polarization multiplexed optical transmitting and receiving apparatus
12/27/2011US8086106 WDM optical transmission system and controlling method thereof
12/27/2011US8086105 Wavelength division multiplexer/demultiplexer having flat wavelength response
12/27/2011US8086102 Passive optical network based on reflective semiconductor optical amplifier
12/27/2011US8086101 Multi-city DWDM wavelength link architectures and methods for upgrading
12/22/2011WO2011157081A1 Method and device for generating signal
12/22/2011US20110311236 Optical amplifier, control method therefor, and optical transmission system
12/22/2011US20110311230 Optical bus
12/22/2011US20110311229 Optical transmission/reception module
12/22/2011US20110311228 Communication Apparatus for Communication in a Medium and a Manufacturing Method
12/22/2011US20110311227 Systems and Methods for Transferring Single-Ended Burst Signal Onto Differential Lines, Especially for Use in Burst-Mode Receiver
12/22/2011US20110311226 Methods and Systems for Distributing Fiber Optic Telecommunication Services to Local Areas and for Supporting Distributed Antenna Systems
12/22/2011US20110311225 Method and device for sending upstream transfer frame in passive optical network
12/22/2011US20110311216 Optical signal level adjustment system, information analysis/control signal generation apparatus in the same system, and information analysis/control signal generation method
12/22/2011US20110311047 Method of making secure a link between a data terminal and a data processing local area network, and a data terminal for implementing the method
12/20/2011US8081881 Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method
12/20/2011US8081877 Method of determining an optical distance for chromatic dispersion compensation
12/20/2011US8081875 Wavelength switch
12/15/2011WO2011154190A1 Method for operating an optical transmission line, optical transmission system, optical transmitter, set of optical filters, and optical filter device
12/15/2011WO2011154048A1 Optical access network
12/15/2011WO2011153881A1 Method, device and system for establishing wavelength connection
12/15/2011US20110305458 Method and device for service adaptation
12/15/2011US20110305457 Optical Multi-Level Transmission System
12/15/2011US20110305456 Optical router
12/15/2011US20110305455 Dynamic Scheduling Using PON Bandwidth Allocation On Lower Aggregation Levels
12/15/2011US20110305452 Optical signal detecting device and optical signal detection method
12/14/2011EP2395725A1 Method for burst transmission on a passive optical network, method and device for receiver resetting
12/14/2011EP2395690A1 Method for operating an optical transmission line, optical transmission system, optical transmitter, set of optical filters, and optical filter device
12/14/2011EP2395684A1 Optical relay system and network control device
12/14/2011EP2083528B1 A network node and a buffer device and a scheduling method
12/14/2011CN1941955B 无线基站装置和通信方法 The radio base station apparatus and a communication method
12/14/2011CN102281118A 基于光正交频分多址接入的波分复用无源光网络传输系统 Optical Orthogonal Frequency Division Multiple Access WDM passive optical network transmission systems based on
12/14/2011CN102281117A 一种全光产生光编码信号的方法 An all-optical method for generating an encoded signal light
12/13/2011US8078701 Network design and determination of the arrangement of optical transmission devices in respective network stations
12/13/2011US8078061 Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency
12/13/2011US8078058 Ultra high-speed adaptive and all-optical method for data packet rate multiplication compatible with multiple data rates
12/13/2011US8078057 Centralized congestion avoidance in a passive optical network
12/13/2011US8078054 Apparatus and method for improving the tolerance of tone-based optical channel monitoring to stimulated Raman scattering
12/13/2011US8078053 Optical link characterization
12/13/2011US8078051 Method and system for a secure bi-directional line switched ring
12/13/2011US8078018 Communication methods, methods of forming an interconnect, signal interconnects, integrated circuit structures, circuits, and data apparatuses
12/13/2011US8077251 Photometry apparatus and camera
12/08/2011WO2011152831A1 Optical fiber -based distributed communications system and method employing wavelength division multiplexing (wdm) for enhanced upgradability
12/08/2011WO2011150982A1 Configuring a path in an optical communications network
12/08/2011WO2011126317A3 Bidirectional optical transmission and receiving device
12/08/2011US20110302283 Methods And Arrangements In A Passive Optical Network
12/08/2011US20110299857 Transmission device, transmission method, reception device, reception method, communication system, and communication method
12/08/2011US20110299853 Precision time transfer over optical fiber
12/08/2011US20110299852 Optical transmission and reception system, optical transmitting and receiving apparatus, and optical transmission and reception method
12/08/2011US20110299851 Ring in ring passive optical network system for providing fiber to the home with reduced number of fibers
12/08/2011US20110299850 Optical Switching Architectures For Nodes In WDM Mesh And Ring Networks
12/07/2011EP2393237A1 Passive optical network protection method, master-standby switch control device and system
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