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)
05/2012
05/02/2012CN102439998A Passive optical network system and downlink transmission method thereof
05/02/2012CN102439997A Method, system and node device for building wavelength cross connection
05/02/2012CN102439994A Method and device for adjusting optical device filtering bandwidth
05/02/2012CN102439904A Service realizing method and device based on north interface
05/02/2012CN102439899A Authentication method of optical network system, optical network terminal and optical network system
05/02/2012CN102439896A Method and apparatus for increasing the speed of successful entanglement creation and quantum repeater using the same
05/02/2012CN102439887A Signal modulation device and method
05/02/2012CN102439879A 滤光设备 Optical equipment
05/02/2012CN102439878A Method and apparatus for frame detection and polarization separation
05/02/2012CN102439877A Method for carrier frequency recovery and optical intradyne coherent receiver
05/02/2012CN102439876A Signal transmitting method, signal receving method, passive optical network(pon)device and system
05/02/2012CN102439875A Method and device for determining total optical signal to noise ratio cost of optical fiber communication system
05/02/2012CN102437990A Multi-channel light carrier generating device adopting F-P cavity filter
05/02/2012CN102437892A Cold standby device of high-power optical-fiber amplifier and standby method thereof
05/02/2012CN102437883A Optical amplifier and optical monitor circuit
05/02/2012CN102437882A Singlechip control equalization circuit for optical receiver of cable television network
05/02/2012CN102437881A Receiving state recovery device for optical line terminal (OLT) optical module
05/02/2012CN102437880A Quick signal indication generating device for optical line terminal
05/02/2012CN102437879A Light rail network node structure with multiple fiber-optic inputs/outputs for light rail network of net-shaped topological structure
05/02/2012CN102437878A Fiber-transmission-based interface circuit
05/02/2012CN102437877A Free-space optical (FSO) signal receiving device
05/02/2012CN102437876A RSSI (Received Signal Strength Indicator) circuit used for OLT (Optical Line Terminal) optical module in passive optical network
05/02/2012CN102437875A Automatic optical fiber switching device for intensive wavelength division multiplexing system
05/02/2012CN102436044A Plug type single-fiber three-way photoelectric component
05/02/2012CN102436038A Optical path coupler, optical path coupling device and optical path coupling method
05/02/2012CN102436025A Multi-wavelength dispersion compensation optical fiber based on hybrid light-guiding photonic crystal optical fiber
05/02/2012CN101908927B Method for extrapolating and testing sensitivity of light receiving device
05/02/2012CN101535859B An optical connection component
05/02/2012CN101350675B Threshold value detection circuit system for limiting amplifier
05/02/2012CN101325454B Method for reducing indeterminacy in chromatic dispersion test of optical fiber polarization film
05/02/2012CN101166059B An automatic time delay measurement method and system for optical fiber remote soft base station
05/02/2012CN101098206B Passive optical network system and light path processing method
05/02/2012CN101053186B System and method for providing two-way communication of quantum signals, timing signals, and public data
05/01/2012USRE43340 Method for operating an ethernet optical area network (“EOAN”) over one or more metropolitan areas
05/01/2012US8171354 Communication system and method for controlling the same
05/01/2012US8170425 Optical signal receiving circuit
05/01/2012US8170424 Method and apparatus for optical signal power discrimination
05/01/2012US8170423 Data transmission optical device comprising a source emitting a laser beam
05/01/2012US8170422 Frequency shift keying demodulator
05/01/2012US8170421 Method and apparatus for clock recovery
05/01/2012US8170420 Changing hardware settings based on data preamble
05/01/2012US8170419 Image processing system and control method thereof
05/01/2012US8170417 Mechanism to detect an unstable wavelength channel and limit its impact on a ROADM network
05/01/2012US8170415 Physical wiring control device, physical wiring control method, and computer product
05/01/2012US8170414 Burst mode digital diagnostic and control for passive optical network receiving
05/01/2012US8167505 Pluggable system between optical transceiver and host system
05/01/2012CA2648634C Optical device comprising a compact dispersing system
05/01/2012CA2440442C Signal addition to a wave division multiplex system
05/01/2012CA2438332C Regulating radiation component power in wavelength division multiplexed optical communication systems
04/2012
04/29/2012CA2719383A1 System and method for determining the envelope of a modulated signal
04/26/2012WO2012054172A1 Method for designing and selecting optical fiber for use with a transmitter optical subassembly
04/26/2012WO2012053883A1 Switchable integrated quantum key distribution system
04/26/2012WO2012053320A1 Excitation light distribution device, excitation light distribution method, light-amplifying system, and node device
04/26/2012WO2012052674A1 Amplification device including separately adjustable receive and transmit means
04/26/2012WO2012051847A1 Method and system for delay line interference adjustment in 100g optical communication system
04/26/2012WO2012051668A1 Bispectrum method and apparatus for recovery of optically transmitted signals
04/26/2012WO2011144051A3 Data transmission method, optical line terminal and system
04/26/2012US20120099870 Receptacle diplexer
04/26/2012US20120099869 Optical LNB capable of fast position-adjusting
04/26/2012US20120099868 Hybrid communication apparatus for high-rate data transmission between moving and/or stationary platforms
04/26/2012US20120099867 Wavelength multiplexing optical communication device and optical dispersion compensation method
04/26/2012US20120099865 Optical access system, station-side termination apparatus, and subscriber-side termination apparatus
04/26/2012US20120099864 Chromatic dispersion value calculating apparatus, optical signal receiving apparatus, optical signal transmitting apparatus, and chromatic dispersion value calculation method
04/26/2012US20120099860 Method and equipment for operating a coherent optical packet receiver
04/26/2012US20120099859 Optical packet switching apparatus
04/26/2012US20120099857 Optical line terminal
04/26/2012US20120099856 Method and apparatus for providing beam steering of terahertz electromagnetic waves
04/26/2012US20120099855 Domain-Independent Persistent Fibre Channel Identifiers
04/26/2012US20120099854 Layer One Path Delay Compensation
04/26/2012US20120099853 Method and Device for Processing Failure of Multi-Span Working Channel in Ring Optical Transmission Network
04/26/2012US20120099183 Optical demodulator
04/26/2012US20120098997 Blinking-signal detecting device
04/26/2012CA2718870A1 Telerobotic communications system and method
04/25/2012EP2445153A1 Method, device and wave-division multiplexing system for generating and receiving optical orthogonal frequency division multiplexing signal
04/25/2012EP2445125A1 Upstream fiber optic couplers and methods for power splitting passive optical networks
04/25/2012EP2445124A1 Optical amplification device and method
04/25/2012EP2443773A1 Optically coupled cochlear implant systems and methods
04/25/2012EP2443772A1 Mobile device for receiving modulated light and apparatus for transmitting information as well as system comprising the mobile device and the apparatus and corresponding methods
04/25/2012EP2443771A1 Design method and metric for selecting and designing multimode fiber for improved performance
04/25/2012EP2443671A2 AN ALL SILICON 750nm AND CMOS-BASED OPTICAL COMMUNICATION SYSTEM UTILIZING MOD-E AVALANCHE LEDs
04/25/2012EP2288054B1 Method for searching and establishing tcm path and management system for searching and establishing path
04/25/2012EP2154799B1 Method and apparatus for generating dqpsk encoding optical signal
04/25/2012EP1554822B1 Electrical domain mitigation of polarization dependent effects in an optical communications system
04/25/2012CN202206404U 850nm塑料光纤交换机 850nm plastic optical fiber switch
04/25/2012CN202206400U 多级免维护光纤远程中继放大器 Multi-level maintenance-free fiber optic remote relay amplifier
04/25/2012CN202206399U Optical transceiver with dustproof structure
04/25/2012CN202206398U Integrative shell device for optical transceiver
04/25/2012CN202206397U Device for monitoring fault of passive optical network
04/25/2012CN202206396U Circuit board of optical transceiver
04/25/2012CN202205167U 用红外连接接收文件的屏幕和触摸笔的组合结构 Structure with a combination of an infrared connection to receive the file screen and touch pen
04/25/2012CN202198977U 内设有无线网络通信系统以及设施的红外线康体屋 There is wireless network communication systems, and recreational facilities infrared house
04/25/2012CN1815935B Optical add-drop multiplexer, and optical network equipment using the same
04/25/2012CN102428663A 用于光纤无线电(Radio-Over-Fiber;RoF)分布式通信的功率分配装置、系统和方法 For fiber-radio (Radio-Over-Fiber; RoF) distributed power distribution apparatus for communication, the system and method
04/25/2012CN102427566A 从现有光网络到目标光网络的共存和演进方法及系统 Method and system for coexistence and evolution from existing optical network to a target optical network
04/25/2012CN102427389A 双向工作的光-电-光中继器 Bidirectional operation light - electricity - optical repeaters
04/25/2012CN102427388A Reset current compensation type sudden receiving optical power monitor
04/25/2012CN102427387A 光通信方法和系统 The optical communication method and system
04/25/2012CN102427386A Polarization shift keying demodulation method and system
04/25/2012CN102427385A 备份式WiFi光载无线交换系统 Back-WiFi RoF exchange system
04/25/2012CN102427384A 多人多编队真人模拟集团作战使用的光学信号发射系统 Optical signal transmission systems are more people live simulation group formation operational use