Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
06/2010
06/17/2010US20100150578 Optical transmission device
06/17/2010US20100150563 Wavelength division multiplexing transmission device and wavelength division multiplexing transmission method
06/17/2010US20100150562 Optical transmission system
06/17/2010US20100150561 Optical receiver, optical line terminal and method of recovering received signals
06/17/2010US20100150560 Apparatus and method for transmitting optical signals with enhanced reflection sensitivity in wavelength division multiplexing passive optical network (wdm-pon)
06/17/2010US20100150559 Time-interleaved polarization-division-multiplexed transmission systems and transmitters
06/17/2010US20100150558 Dynamic wavelength service over a roadm optical network
06/17/2010US20100150557 FTTH RF over Glass (RFoG) Architecture and CPE
06/17/2010US20100150556 System and method for a subscriber powered network element
06/17/2010US20100150555 Automatic polarization demultiplexing for polarization division multiplexed signals
06/17/2010US20100150554 Passive optical network (PON) system
06/17/2010US20100150553 Method and apparatus for generating optical short pulse for quantum cryptography communication
06/17/2010US20100150551 Optical add/drop multiplexing system, optical add/drop multiplexer and optical pathway detour program
06/17/2010US20100150550 Transmission method of wdm light and wdm optical transmission system
06/17/2010US20100150547 Fault locator for long haul transmission system
06/17/2010US20100150188 Seed light module for passive optical network
06/16/2010EP2195950A1 Wavelength division multiplexing serial video signals over optical interfaces using the xfp form factor
06/16/2010CN1906877B Encoder/decoder for optical CDMA and temperature distribution detector
06/16/2010CN1870470B Two-fibre two-way multi-section shared protection optical fiber ring network
06/16/2010CN1826747B An electro-optically tunable optical filter
06/16/2010CN101742365A Passive optical network (PON) wavelength assignment method, device and system
06/16/2010CN101742363A Method and device for optical switching
06/16/2010CN101741502A System for implementing self-healing function for ring wave division multiplexing passive optical network and transmission method thereof
06/16/2010CN101741466A Frame generating apparatus, optical transmission system, frame generating method, and optical transmission method
06/16/2010CN101127930B A method for transmitting multiple service data via single free consumption byte multiplexing
06/15/2010US7738791 Transmitter and method for transmitting messages on an optical fiber
06/15/2010US7738790 WDM type passive optical network
06/15/2010US7738789 Radio base station with multiple radio frequency heads
06/15/2010US7738788 Address recognition apparatus
06/15/2010US7738748 Modular all-optical cross-connect
06/15/2010US7738490 Method and system for fairly allocating differentiated bandwidth based on shared multicast traffic in time division multiplexed passive optical network
06/15/2010US7738359 System, device, and method for managing alternate site switching in an optical communication system
06/15/2010US7736068 Wireless tuning and reconfiguration of optoelectronic modules
06/15/2010CA2509532C Dynamic bandwidth allocation circuit, dynamic bandwidth allocation method, dynamic bandwidth allocation program and recording medium
06/11/2010CA2689750A1 High-power collimating lens assemblies, and methods of reducing the optical power density in collimating lens assemblies
06/10/2010WO2010064999A1 Wavelength division multiplexed passive optical network
06/10/2010WO2010064981A1 Methods and devices for wavelength alignment in wdm-pon
06/10/2010WO2010064887A1 Arrangement and method for converting wavelengths for bi-directional wavelength division multiplexing
06/10/2010WO2010064119A1 Wdm-pon system, ont, olt and method for initialization of tunable laser
06/10/2010US20100142974 Supervisory controlling method and supervisory controlling system of optical repeater
06/10/2010US20100142962 Multiwavelength transmitter
06/10/2010US20100142961 Methods for dynamic wavelength add/drop in a ROADM optical network
06/10/2010US20100142960 Upgrading method, system and apparatus of low-density wavelength division multiplexing system
06/10/2010US20100142959 Optical waveform shaping method and optical waveform shaping apparatus
06/10/2010US20100142958 Optical receiver for the wdm system and method to control the same
06/10/2010US20100142957 Communication network management system, wavelength-division multiplex apparatus, communication management apparatus, communication network management method and communication network management program
06/10/2010US20100142956 Method and Apparatus for Reshaping a Channel Signal
06/10/2010US20100142955 Optical line terminal, passive optical network and radio frequency signal transmission method
06/10/2010US20100142954 Standby broadband light source for passive optical networks
06/10/2010US20100142953 Wavelength Division Multiplexing Transmission system and Remote Apparatus and Station Apparatus Used Therein
06/10/2010US20100142952 Adaptive crossing frequency domain equalization (fde) in digital polmux coherent systems
06/10/2010US20100142951 Reception of signals transmitted over a dispersive optical channel
06/10/2010US20100142950 High bit rate bidirectional passive optical network, associated optical exchange and line termination device
06/10/2010US20100142949 Smart RF over glasss (RFoG) CPE unit with seamless PON upgrade capability
06/10/2010US20100142948 Framer/mapper/multiplexor device with 1+1 and equipment protection
06/10/2010US20100142947 Apparatus and method for pseudo-inverse multiplexing/de-multiplexing transporting
06/10/2010US20100142380 Multicasting method in network including t-mpls network and wdm network and apparatus therefor
06/09/2010CN1870469B Optical split insertion duplexer based on acousto-optic tunable wave filter
06/09/2010CN1855790B Method and device for reducing and compensating transmission loss of passive optical network of WDM
06/09/2010CN1790964B Optical component for optical communication and its packaging method
06/09/2010CN1787409B Passive optical network system and method of transmitting broadcasting signal in same
06/09/2010CN1734312B Optical communications system based on optical polarization multiplexing
06/09/2010CN1659818B Method and device for controlling signal transmission power of optical signal in optical communication networks
06/09/2010CN1576912B Method and apparatus for fabricating fiber Bragg gratings
06/09/2010CN101729949A WDM PON device with dynamically allocable wavelengths
06/09/2010CN101729940A Method for sending data to multiple communication channels and method for receiving data
06/09/2010CN101729187A Optical signal transmission processing method, sending device and system
06/09/2010CN101729186A Device and method for controlling transient effect in erbium-doped fiber amplifier (EDFA)
06/09/2010CN101729185A Marking or detecting method of optical signals, device and marking and detecting system
06/09/2010CN101729184A Method, device and system for adjusting wavelength
06/09/2010CN101729182A Single-fiber bidirectional looped network protection method, system and device
06/09/2010CN101729150A Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater
06/09/2010CN101729149A Method, device and system for photolyzing, polarizing and multiplexing optical carrier
06/09/2010CN101729145A DFB fiber laser type fiber-optic microphone and distributive array device thereof
06/08/2010US7734188 Deskew device and deskew method
06/08/2010US7734186 Signal transmission in an optical system
06/08/2010US7734185 Optical transmitter and optical transmission system
06/08/2010US7734182 Illuminator including optical transmission mechanism
06/08/2010US7734180 Single fibre bidirectional optical transmission system and single fibre bidirectional optical amplifier
06/08/2010US7734179 Fiber/wired communication system
06/08/2010US7734178 Passive optical network system, optical line terminal, and optical network unit
06/08/2010US7734176 Hybrid optical burst switching with fixed time slot architecture
06/08/2010US7734175 Network configuring apparatus
06/08/2010US7734174 System and method for a channel guard in a reconfigurable optical add-drop multiplexer
06/08/2010US7734127 Optical switch module
06/08/2010US7733886 Burst data reception method and apparatus in EPON
06/03/2010WO2010062094A2 Visible ray communication system, transmission apparatus, and signal transmission method
06/03/2010WO2010062092A2 Visible ray communication system and method for transmitting signal
06/03/2010WO2010060293A1 System and method for pumping redundancy protection
06/03/2010WO2010060245A1 Apparatus and method for monitoring statistical characteristics of phase noises, and coherent optical communication receiver
06/03/2010US20100135666 Clock phase aligning apparatus for burst-mode data
06/03/2010US20100135665 Burst mode optical repeater
06/03/2010US20100135664 Chromatic dispersion compensating apparatus
06/03/2010US20100135663 Repeater and repeating method
06/03/2010US20100135662 Method for the raman amplification of optical signals and transmission system
06/03/2010US20100135661 Ethernet-based next generation optical transport network apparatus and traffic grooming method thereof
06/03/2010US20100135659 Packet-optical integrated switch without optical transponder
06/03/2010US20100135658 Transport apparatus and transport method
06/03/2010US20100135657 Automatically selecting a clock recovery mode within optical network terminals
06/03/2010US20100135656 Optical orthogonal frequency division multiplexed communications with nonlinearity compensation
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