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)
10/2013
10/23/2013CN103368656A Processing data in a coherent optical communication system
10/23/2013CN103368655A Telescope array optical signal reception method and telescope array optical signal reception device based on self-adaptation control
10/23/2013CN103368654A Double-drive DPMZM (Dual-Parallel-Mach-Zehnder-Modulator)-based broadband linearization method for microwave photon link
10/23/2013CN103368653A Method and device for generating broadband chaotic signal similar to white noise
10/23/2013CN103368652A Light emitting and receiving integrated assembly with optical circulator
10/23/2013CN103368651A Double parallel MZ modulator-based method for restraining intermodulation distortion in second harmonic generation system
10/23/2013CN103368650A Method for configuring optical communication network
10/23/2013CN103368649A Anti-interference transmission system for remote control signals of power grid
10/23/2013CN103368648A Visible light communication system based on time division multiple access
10/23/2013CN103368647A Visible light communication transmitting device based on time division multiple access
10/23/2013CN103368646A Visible light communication receiving device based on time division multiple access
10/23/2013CN103368645A Indoor wireless light high-speed two-way communication system
10/23/2013CN103368644A Cross-phase modulation damage evaluation method and device
10/23/2013CN103368643A Method, system and device for detecting optical fiber link
10/23/2013CN103368642A Device and method for measuring performance parameters of traffic signal in visible light communication system
10/23/2013CN103368641A Test equipment and test method for optical fiber network unit
10/23/2013CN103368640A Improved system of expanding optical module digital diagnostic monitoring
10/23/2013CN103368639A RRU optical fiber switching method and RRU optical fiber switching system
10/23/2013CN103368603A Method and system for realizing multi-user spread spectrum communication
10/23/2013CN102122991B Dual-mode optical fiber and communication system thereof
10/23/2013CN101904116B Wavelength division multiplexing-passive optical network using external seed light source
10/22/2013US8565621 Quadrature time skew detection for coherent optical signals
10/22/2013US8565620 Apparatus for receiving optical signal and method of controlling phase offset for differential quadrature phase shift keying
10/22/2013US8565619 Prevention of collision for time division multiplexing optical network, apparatus and method thereof
10/22/2013US8565618 Automatic wavelength configuration
10/22/2013US8565617 Optical device, optical modulation method, and optical transmitter
10/22/2013US8565616 Polarized-wave-multiplexing optical transmitter and control method of polarized-wave-multiplexed optical signal
10/22/2013US8565615 Optical modulation apparatus and optical modulation method
10/22/2013US8565614 Spectrally efficient digital data transmission utilizing phase encoded MMW
10/22/2013US8565613 Wavelength conversion apparatus, wavelength conversion method, and optical add/drop multiplexer using the same
10/22/2013US8565612 Visible light communication method and apparatus
10/22/2013US8565611 Optically-connected system for exchanging data among industrial automation devices
10/22/2013US8565610 Maintaining correlated virtual data streams through a network
10/22/2013US8565609 Distribution system for optical reference
10/22/2013US8565608 Optical network with switchable drop filters
10/22/2013US8565607 Visible light multiplex communication system
10/22/2013US8565606 System and method for acquiring data of multi-channel squid signal
10/22/2013US8565605 Burst mode to continuous mode converter
10/22/2013US8565604 Apparatus and method for adjusting optical signals
10/22/2013US8565601 Communication method for optical communication system, optical communication system, slave station apparatus, control device, and computer program
10/22/2013US8565598 Selecting an optical path for a new connection with the minimum number of optical regenerators
10/22/2013US8565596 Apparatus for supporting designing of optical network, process for designing optical network, and computer-readable, non-transitory medium storing network design program
10/22/2013US8565595 Method and apparatus optimizing decision threshold level of optical receiver
10/22/2013US8565568 Broad-bandwidth multimode optical fiber having reduced bending losses
10/22/2013US8564876 Raman amplifier and raman amplifier adjustment method
10/22/2013US8562226 Connectors and cables with an optical transmitter
10/17/2013WO2013155502A1 Raman crosstalk mitigation in a multi-wavelength system utilizing an optical equalizing signal modulated with composite bandwidth-limited data sources
10/17/2013WO2013154558A1 Reconfiguration of an optical connection infrastructure
10/17/2013WO2013154553A1 Routing optical signals
10/17/2013WO2013153719A1 Light transmission apparatus, light communication system, light reception apparatus, light transmission apparatus adjustment method, light transmission method, and light reception method
10/17/2013WO2013153476A1 Method and device for visible light communication
10/17/2013WO2013153305A1 Frequency synchronization for an ofdm optical receiver
10/17/2013WO2013153132A2 A system for physical layer supervision in optical networks based on tuneable otdr, an hybrid optical switch and a focs
10/17/2013WO2013152962A1 Nonlinear cross-polarization mitigation algorithm
10/17/2013WO2013152739A1 Linear dispersion polarization-time codes and equalization in polarization multiplexed coherent optical system
10/17/2013US20130272722 Electronic compensation of nonlinearity in optical communication
10/17/2013US20130272721 Optical network device employing three-level duobinary modulation and method of use thereof
10/17/2013US20130272719 Method and Apparatus for Compensating Nonlinear Distortions in Intensity Modulation-Direct Detection System
10/17/2013US20130272718 System And Method For Nonlinear Self-Filtering Via Dynamical Stochastic Resonance
10/17/2013US20130272717 Transmission system, transmitter and receiver
10/17/2013US20130272716 Coded light emitting device
10/17/2013US20130272713 Signal processing circuit
10/17/2013US20130272712 Infrared remotely controlled circuit
10/17/2013US20130272708 Subscriber-side optical communication device, communication system, control device, and power-saving control method
10/17/2013US20130272706 Header Error Control Protected Ten Gigabit Passive Optical Network Downstream Frame Synchronization Pattern
10/17/2013US20130272705 Method and system for wdm transmission with chromato-temporal encoding
10/17/2013US20130272703 Method and Apparatus of Delivering Upstream Data in Ethernet Passive Optical Network Over Coaxial Network
10/17/2013US20130272701 Optical access system
10/17/2013US20130272700 Optical signal control device and optical signal control method
10/17/2013US20130272699 Ranging method, system, and apparatus for passive optical network
10/17/2013US20130272697 OSNR Model For Optical Engineering Rules Used In A Planning Tool
10/17/2013US20130272696 Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
10/17/2013US20130272695 Curved Grating Spectrometer and Wavelength Multiplexer or Demultiplexer with Very High Wavelength Resolution
10/17/2013US20130272694 Optical communication devices having optical time domain reflectometers
10/17/2013US20130272693 System and method for shared mesh restoration in optical networks
10/16/2013EP2651084A2 Method and apparatus for compensating nonlinear distortions in intensity modulation-direct detection system
10/16/2013EP2651051A1 Nonlinear Cross-Polarization Mitigation Algorithm
10/16/2013EP2651050A1 Visible light communication with flickering prevention
10/16/2013EP2650717A1 Optical signal control device and optical signal control method
10/16/2013EP2649736A1 Array comprising a plurality of adjustable optical devices
10/16/2013EP1763929B1 Calibration of digital diagnostics information in an optical transceiver prior to reporting to host
10/16/2013EP1685663B1 Flash optical performance monitor
10/16/2013CN203243333U An integrated coherent receiver integrating a variable optical attenuator
10/16/2013CN203243332U Optoelectronic device for optical network unit of tunable laser
10/16/2013CN203243331U Intelligently controlled optical fiber transceiver
10/16/2013CN203243330U Thermostatically controlled optical fiber transceiver
10/16/2013CN203243329U Underwater short-distance communication device based on visible light
10/16/2013CN203243328U Optical time domain reflectometer
10/16/2013CN203243327U Portable communication optical fiber routing inspection instrument
10/16/2013CN103354982A Optical receiver, polarization separation device and polarization separation method
10/16/2013CN103354980A Processing data in an optical network element
10/16/2013CN103354493A Clock recovery circuit, optical receiver and passive optical network equipment
10/16/2013CN103354472A Optical network unit (ONU) equipment with built-in lithium battery and assembling method thereof
10/16/2013CN103354471A Digital optical fiber repeater and signal transmission method thereof
10/16/2013CN103354470A Optical switching pressure plate and intelligent substation communication network system
10/16/2013CN103354452A Data translation system and data translation method
10/16/2013CN102064986B Intelligent management equipment of Ethernet circuit to home and method for establishing switching circuit
10/16/2013CN101933256B Latency measurement in optical networks
10/16/2013CN101710846B Method and device for protecting service in automatic switched optical network
10/15/2013US8559828 Frame formatting for high rate optical communications
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