Patents
Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125)
11/2011
11/30/2011CN202059416U Deep space optical communication tracking and aiming system
11/30/2011CN202059415U Space quantum communication array transform processor (ATP) precise tracking system with optical axis self calibration function
11/30/2011CN202059414U Intelligent data one-way transmission controller
11/30/2011CN1933369B 可见光通信系统及其方法 A visible light communication system and method
11/30/2011CN102265640A 光线路传输保护系统和方法 Optical line transmission protection system and method
11/30/2011CN102265540A 光发送器以及光ofdm通信系统 Optical transmitter and optical ofdm communication system
11/30/2011CN102265533A 采用otdr的单向绝对光衰减测量 Using otdr unidirectional absolute light attenuation measurement
11/30/2011CN102265532A 具有提高的效率的光正交频分复用传输 Having improved light efficiency of orthogonal frequency division multiplexing transmission
11/30/2011CN102265130A 用于确定光网络中沿光路的信号传递特性的方法和设备 Means for determining characteristics of signal transmission along the optical path of an optical network to a method and apparatus
11/30/2011CN102265116A Gps闸机系统 Gps system gates
11/30/2011CN102264010A 一种pon拉远的方法及设备 Pon pull away one kind of methods and equipment
11/30/2011CN102263718A 用于rz-dqpsk调制的工作点控制系统和方法 Operating point for rz-dqpsk modulation control system and method
11/30/2011CN102263696A 硬重路由处理方法及装置 Hard rerouting processing method and apparatus
11/30/2011CN102263596A 一种具有高效数字编码输出的光子型微波测频方法和装置 Photon microwave frequency measurement method and apparatus for efficient coding of digital outputs
11/30/2011CN102263595A 多网融合光纤接入系统 Multi-network integration of optical access system
11/30/2011CN102263594A 在光网络单元以rs232和rs485两种通讯模式实现信息交互的方法 The method of optical network units to rs232 and rs485 two communication modes to achieve information exchange in
11/30/2011CN102263593A 一种基于光纤到户的能效智能管理和宽带接入系统及方法 An intelligent management of energy efficiency and broadband access system and method based on FTTH
11/30/2011CN102263592A 一种光模块、光线路终端和光纤故障检测的处理方法 An optical module, a processing method of an optical line terminal and an optical fiber fault detection
11/30/2011CN102263591A 一种光通道层功率管理优化系统及方法 An optical channel layer to optimize power management system and method
11/30/2011CN102263590A 光接收器以及光传输装置 Optical receiver and an optical transmission device
11/30/2011CN102263589A 信号接收方法、装置和光收发机 Signal receiving method, apparatus, and an optical transceiver
11/30/2011CN102263588A 具有安装核心的光学通信装置和方法 With optical communication device and method for installing the core
11/30/2011CN102263587A 光网络单元的光口切换方法和系统 Optical interface switching method and system for optical network unit
11/30/2011CN102263437A 一种智能电网 An intelligent grid
11/30/2011CN101702838B Td-scdma rru多级级联快速启动装置及方法 Td-scdma rru multi-stage cascade quick start device and method
11/30/2011CN101588209B 一种自适应色散补偿方法 An adaptive dispersion compensation method
11/30/2011CN101465693B 一种在微波系统中发射/接收信号的方法及装置 A method and apparatus in microwave systems transmitting / receiving a signal
11/30/2011CN101442363B 光路设计图形展现的方法和装置 Graphic showing the optical design method and apparatus
11/30/2011CN101425851B 光通讯用电子色散补偿均衡器及其抽头调整方法 Optical communication and electronic dispersion compensation equalizer tap adjustment method
11/30/2011CN101325453B 全光纤光功率监测器 All-fiber optical power monitor
11/30/2011CN101325451B 一种光模块的复位方法及其光模块 Reset method of optical modules and optical modules
11/30/2011CN101299638B 一种光功率检测装置及方法 An optical detection apparatus and method for power
11/30/2011CN101247182B 一种无源光网络中的功率控制方法 A passive optical network power control method
11/30/2011CN101207444B 相干光接收器 Coherent optical receivers
11/30/2011CN101114881B 具有反射部以将光学信号反射至接收部的电子装置 Reflecting portion having an optical signal to the electronic device to the receiving portion of the reflected
11/30/2011CN101072155B 用于以太网自动保护系统的单光纤故障处理方法 Single fiber troubleshooting methods for Ethernet Automatic Protection System
11/29/2011US8068874 System and method for correcting signal deviations in a radio over fiber network
11/29/2011US8068746 Optimum DC bias for an electro-optic switch
11/29/2011US8068745 RF signal power regulation in optical transmitters
11/29/2011US8068743 System and method for precise, accurate and stable optical timing information definition
11/29/2011US8068742 Phase shift keyed modulation of optical signal using chirp managed laser
11/29/2011US8068741 Polarization to phase converter
11/29/2011US8068740 Secure optical communication system
11/29/2011US8068739 Modular optical device that interfaces with an external controller
11/29/2011US8068738 System and method for decoding infra-red (IR) signals
11/29/2011US8068735 Transient control solution for optical networks
11/29/2011US8068732 Network design apparatus and network design method
11/29/2011US8068731 Dynamic bandwidth allocation method of Ethernet passive optical network
11/29/2011US8068730 Wavelength division multiplex signal monitoring system and wavelength division multiplex transmission device equipped with the same
11/29/2011US8068729 Network testing apparatus, network testing method and recording medium thereof
11/29/2011US8068483 Method for migration between a permanent connection and a switched connection in a transmission network
11/29/2011US8068275 Method for measuring nonlinear optical properties
11/29/2011US8068273 Demodulator
11/29/2011CA2687686C Optoelectronic transceiver with interface for providing flag values associated with an operating condition
11/29/2011CA2557733C Packet communication network and packet communication method
11/24/2011WO2011146899A1 Self-adaptive receivers not requiring fec feedback
11/24/2011WO2011146520A2 Optimal method for visible light communications
11/24/2011WO2011145712A1 Coherent light receiving device, interchannel skew detector device and detection method in coherent light receiving device
11/24/2011WO2011145218A1 Optical communication system and communication apparatus
11/24/2011WO2011144607A1 Method and arrangement for stabilizing a colour coding method for optical transmission of data
11/24/2011WO2011144557A1 Optical network unit, method for processing data in an optical network and communication system
11/24/2011WO2011144148A1 Method and apparatus for estimating output optical power of each wavelength of an amplifier
11/24/2011WO2011144133A2 A method, device and system for monitoring optical loss in optical network system
11/24/2011WO2011143838A1 Dispersion compensator
11/24/2011WO2011103596A3 Subchannel security at the optical layer
11/24/2011WO2011102662A3 Apparatus and method for transmitting data by using visible light
11/24/2011WO2011094520A3 Quantum key distribution method and apparatus
11/24/2011US20110286751 Optical transceiver and method for controlling the same
11/24/2011US20110286750 Optimal Method for Visible Light Communications
11/24/2011US20110286749 Reliable communications via free space optics using multiple divergence beams
11/24/2011US20110286748 Data Center with free-space optical communications
11/24/2011US20110286747 Optical transmitter
11/24/2011US20110286745 Wavelength division multiplexing transmission system, optical channel monitor and optical channel monitoring method
11/24/2011US20110286741 Apparatus and method for monitoring statistical characteristics of phase noises, and coherent optical communication receiver
11/24/2011US20110286740 Dqpsk/dpsk optical receiver with tunable optical filters
11/24/2011US20110286739 Optical receiver module
11/24/2011US20110286085 Optical amplifier
11/24/2011DE102010021340A1 Verfahren zur Korrektur atmosphärisch verzerrter optischer Wellenfronten A method of correcting atmospherically distorted optical wavefronts
11/24/2011DE102010021197A1 Method for transmitting time-or frequency-normal from transmitter to quadrature receiver, involves extracting time- or frequency-normal on receiver side by shifting frequency between frequency-shifted carrier signal and carrier signal
11/23/2011EP2388935A1 Optical network unit, method for processing data in an optical network and communication system
11/23/2011EP2388934A1 Method for adjusting atmospherically distorted optical wave fronts
11/23/2011EP2388933A1 Transimpedance amplifier and pon system
11/23/2011EP2388916A1 Method and apparatus for data transmission using analog signals
11/23/2011EP2387831A1 Optical communication using coupled optically pumped amplifiers
11/23/2011CN202050503U Multichannel uncompressed digital video optical fiber transmission device
11/23/2011CN202050491U Triple-play multifunctional projection integral machine
11/23/2011CN202050416U Single-fiber two-way light transceiving integrated component for OLT (optical line terminal) module
11/23/2011CN202050415U Optical fiber direct isolation transmission system for analogue signal in fusion device
11/23/2011CN202050414U Local side device of integrated optical fiber access system for communication services of railway section
11/23/2011CN202050413U Optical transmission communication machine box
11/23/2011CN102257749A Transimpedance amplifier and pon system
11/23/2011CN102257739A Transmission system and test apparatus
11/23/2011CN102255936A Underground omnibearing data acquisition system
11/23/2011CN102255791A Inter-equipment link delay determination method and system
11/23/2011CN102255739A Path grouping method, device and system
11/23/2011CN102255670A Single-fibre two-way light module
11/23/2011CN102255669A C form-factor pluggable (CFP) transponder with interleaver at receiver
11/23/2011CN102255668A Optical transceiver and method for controlling the same
11/23/2011CN102255667A Method and device for dispersion compensation
11/23/2011CN102255666A Dispersion compensator