Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
01/2011
01/25/2011US7877014 Method and system for providing a return path for signals generated by legacy video service terminals in an optical network
01/25/2011US7877013 Method and system for random channel assignment in WDM based passive optical networks
01/25/2011US7877012 Selecting optical waves
01/25/2011US7877011 Optical switch and optical crossconnect apparatus
01/25/2011US7877008 WDM layer-based optical chanel protecting device and method thereof
01/25/2011US7876707 Partial build of a fibre channel fabric
01/25/2011CA2524819C Spectrally phase encoded optical code division multiple access system
01/20/2011WO2010123285A3 Wdm pon system with distribution through a periodic arrayed waveguide grating
01/20/2011US20110013911 High-speed optical transponder systems
01/20/2011US20110013910 Wavelength real time display on the equipment for WDM optical networking systems with wavelength tunable capability
01/20/2011US20110013909 Optical Code Division Multiplexing Access System
01/20/2011US20110013908 Adaptive Hybrid Optical Control Plane Determination of Lightpaths in a DWDM Network
01/19/2011EP2276200A1 Method and system for service protection
01/19/2011EP2274843A1 Protected light source for multiple wavelength division multiplexed passive optical networks (wdm-pons)
01/19/2011EP1873950B1 Wavelength-division multiplex communication apparatus
01/19/2011EP1407568B1 Wdm ring network for flexible connections
01/19/2011CN1841968B Optical transmission apparatus
01/19/2011CN101953103A Optical code division multiplexing access system
01/19/2011CN101951303A Method and node equipment for implementing bidirectional linear protection switch of multiplex section
01/19/2011CN101520529B Method for designing arbitrary duty ratio unequal band width optical interleaver
01/19/2011CN101361306B Optimized dynamic routing in optical network
01/19/2011CN101360349B Resistant boundary node and establishing method for connection between resistant boundary nodes
01/19/2011CN101286902B Processing method of wave-division service processing unit on failure of service
01/18/2011US7873283 Method of monitoring optical signal to noise ratio and optical transmission system using the same
01/18/2011US7873277 Passive optical network system and wavelength assignment method
01/18/2011US7873276 System and method for registration of network units
01/18/2011US7872985 System for multi-frame alignment
01/18/2011CA2366039C Optical amplifier, optical communication system including the same, and optical fiber module included in the same
01/13/2011WO2011005223A1 Method and system for wavelength allocation in a wdm/tdm passive optical network
01/13/2011WO2011004836A1 Optical fiber communication system
01/13/2011WO2011003443A1 Improved power allocation in optical fiber transmission
01/13/2011WO2011003355A1 Port wavelength restriction encoding in wavelength switched optical network
01/13/2011WO2011003247A1 Reconfigurable optical add/drop multiplexing device for enabling totally inresistant wavelength irrelevance
01/13/2011US20110008052 Port Wavelength Restriction Encoding in Wavelength Switched Optical Network
01/13/2011US20110008051 Optical communication apparatus and optical wavelength multiplexing transmission system
01/13/2011US20110008050 Demultiplexing and Multiplexing Method and Apparatus
01/13/2011US20110008049 Transmission apparatus, transmission controlling method, and optical supervisory channel (osc) processing apparatus
01/13/2011US20110008048 Optical system using optical signal and solid state drive module using the optical signal
01/13/2011US20110008047 Device and a method for managing the transmission power of an optical source according to the level of optical losses of an optical link
01/13/2011US20110008045 Detecting collisions on multipoint shared optical media
01/13/2011US20110008044 Optical-network design apparatus
01/13/2011US20110008043 Optical access network, remote unit, optical communication method, and optical communication program
01/13/2011US20110008042 Cell phone/internet communication system for RF isolated areas
01/13/2011US20110008041 Optical cross-connect apparatus
01/12/2011EP2273708A1 System and method for transmitting optical signals
01/12/2011EP2273702A1 Adaptive optical transmission equipment
01/12/2011CN201708807U Multi-channel difunctional wavelength division multiplexing photoelectric integrated module
01/12/2011CN1802807B A light source of lasing that is wavelength locked by an injected light signal
01/12/2011CN1661944B Optical ring transmission network
01/12/2011CN1574717B Gmpls based label space architecture
01/12/2011CN101946438A Optical OFDM receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation method
01/12/2011CN101945023A Wavelength division multiplexing technology-based metropolitan area network system
01/12/2011CN101944967A Device for bearing and transmitting point-to-point service, multicasting service, and broadcasting service
01/12/2011CN101944966A Wavelength distribution method and system in passive optical network
01/12/2011CN101944950A Processing method and device for loading extra service in optical transport network (OTN)
01/12/2011CN101944150A Method for automatically generating wave channel graph by programming in wavelength division system
01/12/2011CN101943772A Tunable optical comb filter combining G-T resonant cavity and birefringence element
01/11/2011US7869712 Method and apparatus for increasing transmission capacity in optical transport network
01/11/2011US7869711 Optical tunable asymmetric interleaver and upgrade for dense wavelength division multiplexed networks
01/11/2011US7869710 Optical network unit of ethernet passive optical network and control method thereof
01/11/2011US7869709 Signal identification in optical communications networks
01/11/2011US7869672 Optical assemblies and methods for fabrication of optical assemblies
01/06/2011WO2011000786A1 System and method for transmitting optical signals
01/06/2011US20110002694 Optical data transmission apparatus
01/06/2011US20110002690 PON ONU configured in the form of a Gigabit Interface Converter (GBIC)
01/06/2011US20110002689 Optical ofdm receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation method
01/05/2011EP2271013A2 Network device
01/05/2011EP2271005A1 Optical bidirectional communication system with supervisory channel
01/05/2011EP1972085B1 Optical communication network and method of routing in the network
01/05/2011DE102009031307A1 Netzwerkvorrichtung Network device
01/05/2011CN1893325B Synchronizing method, optical switching device, center device, and remote device, optical access system and optical access network
01/05/2011CN101939932A Optical communication system and method for distributing content aboard a mobile platform during travel
01/05/2011CN101938319A Passive optical network (PON) ring network system and signal transmission method
01/05/2011CN101938313A Optical signal processing method, device and system in passive optical network
01/04/2011US7865085 Optical transmitting device, optical transmission system, optical transmitting method and optical transmission method
01/04/2011US7865083 Optical calibration
01/04/2011US7865082 Optical receiver and controlling method thereof, and optical transmission system
01/04/2011US7865081 Fiber access architecture capable of being seamlessly upgraded
01/04/2011US7865080 Methods for the optical transmission of polarization multiplex signals
01/04/2011US7865079 MWS drift feedback compensator using VOA and input power dithering
01/04/2011US7865078 Processing of optical performance data in an optical wavelength division multiplexed communication system
01/04/2011US7865077 Optical communition system with N + 1 redundancy
01/04/2011US7864389 Method of controlling optical amplifier located along an optical link
12/2010
12/30/2010US20100329686 Optical communication systems and methods utilizing a split amplification band and nonlinear compensation
12/30/2010US20100329685 Optical device with reduced thermal tuning energy
12/30/2010US20100329684 Channel express/add optical module and channel express/add method in optical add/drop multiplexer node using the same
12/30/2010US20100329683 System, Method and Apparatus for Coherent Optical OFDM
12/30/2010US20100329682 Remodulating channel selectors for wdm optical communication systems
12/30/2010US20100329681 Multimode Optical Amplifier As A Receiver Pre-Amplifier For Free-Space Optical Communications
12/30/2010US20100329680 Optical networks
12/30/2010US20100329679 Tunable optical demultiplexer
12/30/2010US20100329678 Micro Free-Space WDM Device
12/30/2010US20100329677 Symbol Timing Recovery in Polarization Division Multiplexed Coherent Optical Transmission System
12/30/2010US20100329676 Method, and system for a re-configurable optical multiplexer, demultiplexer and optical add-drop multiplexer
12/30/2010US20100329675 Interface circuit
12/30/2010US20100329674 Optical node
12/30/2010US20100329673 Method and Apparatus for Signal Formation with Guaranteed Consistent Overhead Insertion
12/30/2010US20100329672 Multi-channel optical arrayed time buffer
12/30/2010US20100329671 Transverse-mode multiplexing for optical communication systems
12/30/2010US20100329670 Receiver for optical transverse-mode-multiplexed signals
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