Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
09/2009
09/29/2009US7596325 Method and apparatus for pulse-amplitude equalization of rational harmonic mode-locked optical signal
09/29/2009US7596323 Optical communications systems, devices, and methods
09/29/2009US7596321 Time division multiplexing of inter-system channel data streams for transmission across a network
09/29/2009US7596320 Preemphasis of an optical wavelength multiplex signal
09/29/2009US7596319 Wavelength division multiplexing-passive optical network system
09/29/2009US7596318 Addressing method of quanta network and quanta network router
09/29/2009US7596317 Long-reach wavelength division multiplexing passive optical networks by using the position adjustment of broadband light source
09/29/2009US7596316 Method of sending packet-formed information optically using different wave-lengths for address and useful information
09/29/2009US7596315 Wavelength division multiplexing optical transmission system and transmission wavelength control method therefor
09/29/2009US7596314 Optical communication management systems
09/29/2009US7596313 Method and apparatus for processing protection switching mechanism in optical channel shared protection rings
09/29/2009US7596290 Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching
09/29/2009US7596081 Method and system for training sequences
09/29/2009CA2328277C Functional device based on focusing-concave gratings for multi-wavelength channel manipulation
09/24/2009US20090238571 Optical transmission system and method for chromatic dispersion compensation
09/24/2009US20090238570 Topologically multiplexed optical data communication
09/24/2009US20090238569 Optical transmission apparatus and optical communication system
09/24/2009US20090238568 Optical Shaping for Amplification in a Semiconductor Optical Amplifier
09/24/2009US20090238565 Optical switch with power equalization
09/24/2009US20090238564 Protection device for removing signal interference in a passive optical network
09/24/2009US20090238563 Optical Signal Transmission Apparatus
09/24/2009US20090238556 Optical signal division transmission system, optical transmitter, optical receiver, and optical signal division transmission method
09/24/2009US20090238305 Method, apparatus and system for high-speed transmission
09/24/2009US20090238065 System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system
09/23/2009EP2103018A1 Mechanism for tracking wavelengths in a dwdm network without specialized hardware
09/23/2009CN101542945A Station-side terminator
09/23/2009CN101540935A Optical transmission apparatus, optical transmission system, apparatus control method
09/23/2009CN101540647A Optical communication apparatus, optical transmission system and method for reducing nonlinear degradation
09/23/2009CN100544318C Method for the optimized transmission of data bursts between an emitted and a received network node
09/22/2009US7593646 Upgraded optical communication system with increased transmission capacity and method
09/22/2009US7593638 Secure upstream transmission in passive optical networks
09/22/2009US7593637 Optical transport system architecture for remote terminal connectivity
09/22/2009CA2486742C Wavelength cross-connect
09/22/2009CA2465602C Variable polarization independent optical power splitter
09/17/2009WO2009112767A1 Device and method for managing the transmission power of an optical source based on the level of optical losses in an optical link
09/17/2009WO2009112083A1 Improved optical access network and nodes
09/17/2009US20090232516 Optical transmission apparatus, optical transmission system, apparatus control method, and recording medium on which program for the apparatus is recorded
09/17/2009US20090232505 Multi-Channel Optical Communication
09/17/2009US20090232504 Optical line termination, optical network unit, optical communication system, timing control method, and recording medium storing program for apparatus
09/17/2009US20090232503 Optical transceiver with optical multiplexer on a flexible substrate
09/17/2009US20090232502 Visible light communication system and optical wireless lan device
09/17/2009US20090232501 Adaptive Injection Current Controlled Burst Mode SOA for Long and Wide Reach High Speed PON
09/17/2009US20090232500 Transamplifier, system and method for amplification of optical signals at plural wavelengths
09/17/2009US20090232499 Passive optical network communication method and system
09/17/2009US20090232498 Communication System Using Passive Optical Network and Passive Optical Network
09/17/2009US20090232497 Directionless reconfigurable optical add-drop multiplexer systems and methods
09/17/2009US20090232496 Optical communication apparatus, optical transmission system and method for reducing nonlinear degradation
09/17/2009US20090232495 Passive optical network system with mode-variable optical network unit
09/17/2009US20090232494 Optical network, monitoring unit and monitoring method
09/17/2009US20090232492 Directionless optical architecture and highly available network and photonic resilience methods
09/16/2009EP2101467A1 Client signal transport method and apparatus in optical transport network
09/16/2009EP2100398A1 Low-ripple optical device
09/16/2009EP1508208B1 Closed-loop control of tunable optical wavelength filters
09/16/2009CN101536383A Provision of alternative communications paths in a communications network
09/16/2009CN101536382A Wireless over pon
09/16/2009CN101534164A Method and system for transmitting signal by optical transmitting network
09/16/2009CN101533129A High-speed adjustable optical comb filter
09/16/2009CN100542081C Optical transmitter and optical receiver
09/15/2009US7590359 Optical communication node system, all-optical packet routing system, and all-optical packet routing method and all-optical packet routing network using the node and routing systems
09/15/2009US7590355 Method and apparatus for PMD mitigation in optical communication systems
09/15/2009US7590352 Access method for data packet networks
09/15/2009US7590350 System and method for automated engineering of optical networks
09/15/2009US7590349 Node device, optical communication network, optical path reserve method and computer-readable medium comprising a program
09/15/2009US7590125 Simplified control of a transmission network element handling both SDH and OTH signals for signals passing both SDH and OTH parts
09/15/2009US7590109 Data burst scheduling
09/15/2009CA2443066C Time slot scheduling for shared-medium communications networks
09/15/2009CA2375739C Optical wavelength division multiplexer/demultiplexer having preformed passively aligned optics
09/11/2009WO2009111029A2 Constructing large wavelength selective switches using parallelism
09/11/2009WO2009109018A1 Method for generating and activating functionalities in a telecommunications network
09/11/2009WO2009083700A3 Device for amplifying the optical power of at least one first incident optical signal and of at least one second incident optical signal
09/10/2009US20090226175 Method for optical time division multiplex and apparatus thereof
09/10/2009US20090226174 Prediction of DWDM optical subnetwork degradation
09/10/2009US20090226173 Wavelength division multiplexing filter, wavelength division multiplexing system, and wavelength division multiplexing method
09/10/2009US20090226172 Reconfigurable optical add/drop multiplexer and procedure for outputting optical signals from such multiplexer
09/10/2009US20090226171 WDM optical transmit-receive device
09/10/2009US20090226170 Method, system and apparatus for transmitting data
09/10/2009US20090226169 Programmable Optical Network Architecture
09/10/2009US20090226168 Methods and apparatus for reconfigurable add drop multiplexers
09/10/2009US20090226167 Method of upgrading optical node, and an optical node apparatus
09/10/2009US20090225818 Systems and method for orthogonal frequency divisional multiplexing
09/09/2009EP1863202B1 An optical transmission system with gain adjustment
09/09/2009EP1518366B1 Transparent flexible concatenation
09/09/2009CN101527610A Wavelength-division multiplexing passive optical network system with 1:N wavelength backup function
09/09/2009CN100539736C Optical cross-connector containing a multi-stage Clos network in which a single-stage matrix comprises one stage of the Clos network
09/09/2009CN100539734C Apparatus, system and method for optical packet switching using frequency header
09/09/2009CN100539491C Cross connector for optical signals
09/09/2009CN100539474C Wavelength division multiplex optical transmission system, and transmission method
09/09/2009CN100539472C 信号波形劣化补偿器 Degradation of the signal waveform compensator
09/08/2009US7587140 Optical time-division demultiplexing apparatus
09/08/2009US7587139 Optical channel power control in WDM networks
09/08/2009US7587138 Broadband 2×2 optical splitter
09/08/2009US7587137 System and method for seamless integration of CWDM and DWDM technologies on a fiber optics infrastructure
09/08/2009US7587112 Optical device and light control method
09/08/2009US7587103 Method for ultrafast optical deflection enabling optical recording via serrated or graded light illumination
09/08/2009CA2343091C Broadband amplified spontaneous emission light source
09/03/2009WO2009108900A2 System and method for measuring power usage
09/03/2009WO2009108874A2 Method of manufacturing photovoltaic roofing tiles and photovoltaic rofing tiles
09/03/2009WO2009106147A1 Channel power estimation means
09/03/2009US20090220249 Demodulation circuit
09/03/2009US20090220242 Optical adding and dropping device and optical transmission apparatus
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