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)
04/2014
04/15/2014US8699873 Identifying fault locations in a network
04/15/2014US8699871 Optical network with shared laser array
04/15/2014US8699328 Determining feasibility of a network service using a ring analysis
04/15/2014US8699127 Optical amplifier
04/15/2014US8699126 Multi-wavelength light amplifier
04/15/2014US8699122 Interferometer, demodulator, and optical fiber communication module
04/10/2014WO2014055889A1 Providing channel health for a wdm system
04/10/2014WO2014055875A1 Mitigate propagation loss in waveguide transmission method
04/10/2014WO2014055475A1 Security in multiwavelength optical networks
04/10/2014WO2014009887A3 Wavelength based optical power provisioning for information and communications technology systems
04/10/2014US20140099130 Digital coherent optical receiver, control method of the same, and transmission apparatus
04/10/2014US20140099129 Networks and methods for reliable transfer of information between industrial systems
04/10/2014US20140099128 Inter-band cross-phase modulation compensation for the mitigation of intra-channel nonlinear impairments in optical fiber transmission
04/10/2014US20140099127 Optical Phase Conjugation Aided Long-Haul Transmission System with Enhanced Signal-to-Noise Ratio and Nonlinear Tolerance
04/10/2014US20140099126 Pair-wise Symbol Correlated High Receiver Sensitivity Modulation Format
04/10/2014US20140099125 Collimated beam channel with four lens optical surfaces
04/10/2014US20140099124 High-density fiber coupling and emission/detection system
04/10/2014US20140099123 Flexible printed circuit board and optical communication module including the same
04/10/2014US20140099122 Using Predicted Movement to Maintain Optical-Communication Lock with Nearby Balloon
04/10/2014US20140099121 Optical module
04/10/2014US20140099120 Optical transmission system
04/10/2014US20140099117 40, 50 and 100 gb/s optical transceivers/transponders in 300pin and cfp msa modules
04/10/2014US20140099116 Resource-Efficient Digital Chromatic Dispersioin Compensation in Fiber Optical Communication Using Spectral-Shaping Subcarrier Modulation
04/10/2014US20140099113 Managing Downstream Non-Broadcast Transmission in an Ethernet Passive Optical Network (EPON) Protocol over Coax (EPoC) Network
04/10/2014US20140099108 System and method for heterodyne coherent detection with optimal offset
04/10/2014US20140099107 Method and system for data transmission and communication using imperceptible differences in visible light
04/10/2014US20140099105 Self-Characterization Tunable Optical Receiver
04/10/2014US20140099104 Method to mitigate propagation loss in waveguide transmission of quantum states
04/10/2014US20140099103 Ldpc-coded modulation for ultra-high-speed optical transport in the presence of phase noise
04/10/2014US20140099101 Traffic generation and analysis for onu emulation
04/10/2014US20140099100 Onu emulator deployment for mixed types of onu traffic
04/10/2014US20140099099 Fault detector for optical network communication system
04/10/2014US20140099097 Troubleshooting method, aggregation node, and optical network protection system
04/10/2014US20140097756 Method and Apparatus for Controlling Optical Power
04/09/2014EP2717514A1 Optical node device, network and path-setting method
04/09/2014EP2717498A1 Switching and routing protocol for a fiber optic transmission system
04/09/2014EP2717496A1 Method and device for obtaining performance parameters of optical network link
04/09/2014EP2715952A1 Modulator for optical transmitter
04/09/2014CN203537401U Mode selective optical fiber transceiver
04/09/2014CN203537400U An intrinsically safe type optical network unit (ONU)
04/09/2014CN203537399U A novel optical network unit (ONU) of a module design
04/09/2014CN203537398U Optical call column in railway section
04/09/2014CN203537397U A transmission unit which is based on an optical network to realize chain type cascade (ONU)
04/09/2014CN203537396U Railway section communication access system
04/09/2014CN203537395U LTE MIMO indoor optical fiber distribution system
04/09/2014CN203537394U Photoelectric converter for fiber communication
04/09/2014CN203537393U Optical fiber module
04/09/2014CN203537392U Optical power testing device in PON system
04/09/2014CN203537391U Testing system for optical module
04/09/2014CN203537390U Test system based on optical fiber channel
04/09/2014CN203535262U Optical connector having OTDR function and optical module
04/09/2014CN1949687B Method and apparatus for processing light module information in communication apparatus
04/09/2014CN103718486A Optical device, device and optical network system
04/09/2014CN103718479A Node apparatus
04/09/2014CN103718478A System for the certification of a passive optical network and for the detection of problems and faults in the last fibre legs
04/09/2014CN103718077A Optical component, built-in type optical time-domain reflectometry and optical network equipment
04/09/2014CN103716908A Indoor integration network system based on visible light communication and communication access method
04/09/2014CN103716516A Device capable of automatically adjusting visual range of screen and working method of the device
04/09/2014CN103716305A Intelligent anti-attack method for passive optical network system
04/09/2014CN103716095A Circulating frequency shift multi-carrier light source generating scheme of additional intensity modulator
04/09/2014CN103716094A Visible light communication front end circuit
04/09/2014CN103716093A Gain spectrum flat Raman fiber amplifier based on tellurium-based optical fibers
04/09/2014CN103716092A Networking system and communication method for bidirectional optical fiber communication in bus network
04/09/2014CN103716091A Networks and method for reliable transfer of information between industrial systems
04/09/2014CN103716090A Stable frequency transmission method and system
04/09/2014CN103716089A RF signal optical fiber phase-stabilized transmission method and system
04/09/2014CN103716088A Detector structure suitable for wavelength division multiplexing technology
04/09/2014CN103716087A CWDM multichannel analyzer
04/09/2014CN103715480A Single-band-pass tunable microwave photonic filter with ultrahigh quality factor
04/09/2014CN103714601A Identity recognition system with visible light communication technology
04/09/2014CN103713194A Phase detection method for clock recovery and apparatuses
04/09/2014CN103705260A Data transmitting system of digital medical imaging device based on optical fiber communications
04/09/2014CN102819947B LED and multimode fiber remote signaling signal acquisition device
04/09/2014CN102571210B Efficient and economical millimeter-wave RoF system
04/09/2014CN102437949B Load-sensing-type routing method based on dormancy of optical network unit (ONU)
04/09/2014CN102412899B Polarization multiplexing millimeter-wave radio-over-fiber (RoF) system with high frequency spectrum utilization rate
04/09/2014CN102362462B Receiving unit, station side device, and frequency correction method in clock data reproduction circuit
04/09/2014CN102324982B Single photon far field distribution detection device for spatial quantum communication
04/09/2014CN102305963B SFP (Small Form-Factor Pluggable Transceiver) optical module electrifying circuit
04/09/2014CN102253492B Laser emission optical system easily coupled with laser-optical fiber combination
04/09/2014CN102244546B Communication system capable of eliminating non-linear influence of optical fiber in analogue optical communication
04/09/2014CN102185659B Quantum communication ATP (array transform processor) precise tracking system with optical axis self-calibrating function and calibrating method thereof
04/09/2014CN102185648B Test system and method for increasing debugging and detection speed of optical module
04/09/2014CN102164003B Dispersion measurement device
04/09/2014CN102056033B Method for managing uplink burst overhead parameter and passive optical network system
04/09/2014CN101946438B Optical OFDM receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation method
04/09/2014CN101882957B Optical receiving apparatus and optical receiving method
04/09/2014CN101877615B Device for locking gain and power in erbium-doped fiber amplifier (EDFA) by using digital signal processor (DSP)
04/09/2014CN101800605B Optical receiver, control device thereof and control method thereof
04/08/2014US8694034 System and method for the distribution of radio-frequency signals
04/08/2014US8693898 Adaptive equalizer, optical receiver, and tap coefficient correcting method
04/08/2014US8693897 Digital demodulator architecture
04/08/2014US8693896 Method and device for processing terahertz waves
04/08/2014US8693895 Signal transmission and reception device and method
04/08/2014US8693893 Picosecond optical switching using RF non-linear transmission lines
04/08/2014US8693892 External modulator monitoring device and external modulator monitoring method
04/08/2014US8693891 Optical modulation apparatus and optical modulation method
04/08/2014US8693890 Look-up table and digital transmitter based architecture for fiber nonlinearity compensation
04/08/2014US8693889 Apparatus and methods for adaptively using signals to control a semiconductor optical amplifier (SOA)
04/08/2014US8693888 Noise-resilient constellations for an optical transport system
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