Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
06/2014
06/12/2014US20140161470 Skew compensation and tracking in communications systems
06/12/2014US20140161469 High speed signal generator
06/12/2014US20140161468 Optical isolation system and assembly
06/12/2014US20140161467 Power management implementation in an optical link
06/12/2014US20140161466 Multiple mode wireless data link design for robust energy efficient operation
06/12/2014US20140161464 Optically driven active radiator
06/12/2014US20140161459 Thermally shielded multi-channel transmitter optical subassembly and optical transceiver module including same
06/12/2014US20140161458 Method and Apparatus for Increasing a Transmission Performance of a Hybrid Wavelength Division Multiplexing System
06/12/2014US20140161457 Thermally isolated multi-channel transmitter optical subassembly and optical transceiver module including same
06/12/2014US20140161446 Optical amplifier (oa)-based reach extender and passive optical network system including the same
06/12/2014US20140161445 Optical line terminal for monitoring and controlling upstream/downstream optical signals
06/12/2014US20140161444 Remotely Controlled Fiber Testing Method
06/12/2014US20140161442 Data sending or receiving method, device, and apparatus used in optical fiber transmission
06/12/2014US20140161441 System for the certification of a passive optical network and for the detection of problems and faults in the last fibre legs
06/12/2014US20140161440 Testing of Elements Used In Communication Links
06/12/2014US20140161439 Superimposing optical transmission modes
06/12/2014US20140161438 Protection for distributed radio access networks
06/12/2014US20140161437 Apparatus and method for switching a communication path
06/12/2014US20140161436 Optical network failure recovery method
06/11/2014EP2741435A1 Fibre-optic Enclosure
06/11/2014EP2741434A1 Measuring signal to noise ratio of a WDM optical signal
06/11/2014EP2741433A1 Method and Apparatus for Detecting Uncharacteristic Power Level Changes of an Optical Signal
06/11/2014EP2741432A1 Optical time-domain reflectometer and method for obtaining measuring signals thereof
06/11/2014CN203645679U 一种数字平调光纤直放站系统 A digital flat tone fiber optic repeater system
06/11/2014CN203645678U 评估红外光干扰强度的装置 Assess the intensity of infrared light interference device
06/11/2014CN203645677U 同步光路结构调整指示与功率监测装置 Synchronous optical structure adjustment instructions and power monitoring device
06/11/2014CN203645676U 光纤环长度测量及扰动点定位装置 Fiber ring length measurement and disturbance point positioning device
06/11/2014CN203645675U 光收发一体模块性能测试用多路光开关 Optical transceiver module performance testing using a multiple-optical switch
06/11/2014CN203645674U 光开关调试设备 Optical switch debugging equipment
06/11/2014CN203645673U 光传送网支线监测系统终端盒 OTN Line Monitoring System Terminal Box
06/11/2014CN203645672U 一种数字化变电站的同步信号转发器 A digital substation synchronizing signal repeaters
06/11/2014CN203645671U 光纤切换保护系统 Fiber switching protection system
06/11/2014CN103858364A Coded light detector
06/11/2014CN103856358A Ethernet port VLAN (virtual local area network) configuration system and method of EOC (Ethernet over coax) equipment
06/11/2014CN103856268A Infrared-remote-control signal-emission control circuit structure
06/11/2014CN103856267A Fiber-to-the-home headend, fiber-to-the-home terminal and fiber-to-the-home network system
06/11/2014CN103856266A Optical correlator based on modal dispersion
06/11/2014CN103856265A Visible light communication-based positioning system, visible light communication-based positioning device and visible light communication-based positioning method
06/11/2014CN103856264A Extreme ultraviolet-ray space remote communication system
06/11/2014CN103856263A Method and device for testing high-speed link
06/11/2014CN103856262A System for measuring in-band OSNR through one-code-element delay interference and balance detection
06/11/2014CN103856261A Method for measuring in-band OSNR through one-code-element delay interference and balance detection
06/11/2014CN103856260A Method for accurately positioning optical cable line fault points through optical cable artificial faults
06/11/2014CN103856259A Processing method and device
06/11/2014CN103856258A Continuous fiber detecting method and device
06/11/2014CN103852837A Photovoltaic conversion device
06/11/2014CN103852824A Optical-fiber reflector used for PON monitoring
06/11/2014CN102736200B Low-power dual-channel optical transceiving module
06/11/2014CN102638310B OFDM-PON (orthogonal frequency division multiplexing-passive optical network) system without optical source and radio frequency source in optical network unit
06/11/2014CN102625199B Dual-channel GEPON OLT CSFP (Gigabitcapable Passive Optical Network Optical Line Terminal Compact Small Form Factor Pluggable) optical module
06/11/2014CN102361468B Pumping control method of erbium-doped fiber amplifier (EDFA)
06/11/2014CN102340350B DDMI (digital diagnostic monitoring interface) optical module transmitter circuit and optical power monitoring method for same
06/11/2014CN102307061B High-precision brillouin scattering measuring system in ultrashort optical fiber
06/11/2014CN102299743B Post-compensation method for transmission time delay during optical fiber time transmission
06/11/2014CN102255659B Optical low-noise block downconverter, multi-dwelling unit equipment and related satellite television system
06/11/2014CN102170309B Optical line terminal (OLT) optical module integrating optical time domain reflectometer (OTDR) monitoring function
06/11/2014CN102098109B EDFA transient effect suppression method
06/11/2014CN102065042B Digital pre-distortion device and method
06/11/2014CN102045155B Method and device for transmitting time information
06/11/2014CN101977080B Bias point control device and method of DQPSK (Differential Quadrature Phase Shift Keying) demodulator
06/11/2014CN101917648B Method for implementing service control in all-fiber protection system and device thereof
06/11/2014CN101917303B Processing method and device of alarm dithering resistance
06/11/2014CN101855847B Data transmission with room illuminations having light emitting diodes
06/11/2014CN101783980B Optical transmission device and passive optical network system
06/11/2014CN101783704B Infrared transmitter
06/11/2014CN101779396B Transimpedance amplifier circuit for a photodetector
06/11/2014CN101777951B Method and system for data monitoring
06/10/2014US8750727 Wave energy-based communication
06/10/2014US8750726 Histogram-based chromatic dispersion estimation
06/10/2014US8750725 Digital optical receiving module, and a method for monitoring the signal quality of a transmitted, modulated optical signal
06/10/2014US8750724 Electronic dispersion correction circuit for optical transmission system
06/10/2014US8750723 Generation of a full-rate optical duobinary signal using half-rate electrical binary signals
06/10/2014US8750722 Upgradable WDM system
06/10/2014US8750721 Optical transmitting apparatus and optical communication system
06/10/2014US8750720 Photonic impulse generator
06/10/2014US8750719 Visible light communication receiver, visible light communication system, and visible light communication method
06/10/2014US8750718 Apparatus for controlling lighting equipment for lighting communication
06/10/2014US8750717 Method and apparatus for waveform generation
06/10/2014US8750716 Automatic power adjustment system and method for optical network system
06/10/2014US8750715 Out of band data transfer over optical connections
06/10/2014US8750714 Monolithic power monitor and wavelength detector
06/10/2014US8750713 Flexible, dense line card architecture
06/10/2014US8750712 Cross-talk reduction in a bidirectional optoelectronic device
06/10/2014US8750711 Optical transceivers with closed-loop digital diagnostics
06/10/2014US8750710 System and method for facilitating fiber access transport using pluggable radio frequency optics
06/10/2014US8750709 RF receiver front-end assembly
06/10/2014US8750708 Layout apparatus, radio apparatus, and method for communicating in an airplane
06/10/2014US8750707 System and method for establishing secure communications between transceivers in undersea optical communication systems
06/10/2014US8750705 Protecting secret data entry from infrared and audio eavesdropping
06/10/2014US8750703 Tunable coherent optical time division reflectometry
06/10/2014US8750702 Passive optical loopback
06/10/2014US8750701 Protection mechanism for a communications network
06/10/2014US8750443 Phase error estimator, coherent receiver and phase error estimating method
06/10/2014US8750171 Femtocell/WLAN communication device
06/10/2014US8749878 Semiconductor optical amplifier device
06/10/2014US8749874 Optical integration system and method
06/05/2014WO2014085694A1 Methods and apparatus for communications using visible light communications signaling in combination with wireless radio signaling
06/05/2014WO2014085574A2 Method of measuring multi-mode fiber optical properties during processing of the fiber
06/05/2014WO2014085342A1 Level equalization to compensate for implementation impairments in optical communication systems with high-order modulations
06/05/2014WO2014085128A1 Visible light communications personal area network controller and access point systems and methods
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