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)
01/2014
01/15/2014CN203399119U An OOK-NRZ white-light LED communication apparatus with dynamic optimum matching parameters
01/15/2014CN203399118U Communication network test and maintenance device having optical fiber end face inspection function
01/15/2014CN203399117U Clock synchronous fiber optic network monitoring card
01/15/2014CN203399116U Optical fiber port line sequence tester of optical fiber access network
01/15/2014CN203399115U Optical cable general detection device with fiber end face detection function
01/15/2014CN203399114U Optical cable general detection device with wireless communication function
01/15/2014CN203399113U Optical cable general detection device with information identification function
01/15/2014CN103518338A Optical transmitting sub-system based on multi-carrier and method for generating optical signal
01/15/2014CN103518336A Method and node for processing signal in optical burst-switched network
01/15/2014CN103517163A High-power-budget OFDM passive optical network downlink transmission system
01/15/2014CN103517162A Communication system and method based on XPON
01/15/2014CN103516551A Optical fiber physical port intelligent management system using passive double RFID tags
01/15/2014CN103516439A Power supply method and iODF equipment
01/15/2014CN103516438A Optical receiving circuit, driving device for vibration-type actuator, and system
01/15/2014CN103516437A 光发送机 Optical transmitter
01/15/2014CN103516436A White light LED fractional frequency and light intensity control system
01/15/2014CN103516435A Chirp microwave pulse signal generation method and device based on electro-optic external modulation nonlinear effect
01/15/2014CN103516434A 光发射机 Optical Transmitter
01/15/2014CN103516433A Photoelectric optical repeater, long-distance box and method for processing uplink/downlink optical signal
01/15/2014CN103516432A Continuous optical receiver
01/15/2014CN103516431A Photoelectric light repeater, long-distance box, and processing method thereof for uplink/downlink optical signal
01/15/2014CN103516430A Tuning dispersion compensation method used for linear optical fiber system
01/15/2014CN103516429A W waveband broadband millimeter wave full duplex access method and system based on local oscillation broadcasting
01/15/2014CN103516428A System and method for optical transmission
01/15/2014CN103516427A Online monitoring method and system for communication optical fiber cable based on GIS
01/15/2014CN103516426A Wavelength division multiplexing network optical time domain reflectometer
01/15/2014CN103516425A Method used for measuring trans-impedance gain of trans-impedance amplifier
01/15/2014CN103516424A Optical coupler testing system
01/15/2014CN103516423A Method and apparatus used for optical fiber clock remote transmission
01/15/2014CN103516422A 10G optical line protection system and 40G/100G optical line protection system
01/15/2014CN103516421A Method and system for subnetwork connection protection
01/15/2014CN103513491A Method and device based on parabola phase modulation for producing optical frequency combs
01/15/2014CN103513351A Optical module
01/15/2014CN103513344A 光学耦合透镜以及光学通讯装置 Optical coupling lens and optical communication devices
01/15/2014CN102638315B Methods for modulating and demodulating multi-system digital pulse period in optical communication system
01/15/2014CN102420650B Device and method for inhibiting nonlinear scanning of laser of optical frequency domain reflectometer
01/15/2014CN102299742B Method for coding, modulating, demodulating and decoding optical fiber time transfer
01/15/2014CN102291181B Polarization control method and system of distributed optical fiber disturbance positioning system
01/15/2014CN102186124B Utility-based interlayer coordination method in WDM (Wavelength Division Multiplexing) optical network
01/15/2014CN102130724B Light automatic gain control circuit used for cable TV network optical receiver
01/15/2014CN102064913B Optical fiber module access system and method
01/14/2014US8630552 Digital coherent receiver and receiving method
01/14/2014US8630551 Method and system for characterizing an optical device
01/14/2014US8630550 Optical repeater and optical signal amplifying method thereof
01/14/2014US8630549 Visible light communication apparatus and visible light communciation method
01/14/2014US8630548 Method and apparatus for improved upstream frame synchronization in a passive optical network
01/14/2014US8630547 Enhanced polarization mode dispersion of optical channels
01/14/2014US8630546 Network interface device synchronization
01/14/2014US8630545 Multimode optical system
01/14/2014US8630541 Wavelength division multiplexing transmission apparatus for controlling the wavelength of an FBTL optical module, and wavelength control method employed for wavelength division multiplexing transmission apparatus equipped with the FBTL optical module
01/14/2014US8630540 Method and system for transporting DOCSIS communication signals over a passive optical network
01/14/2014US8630538 Communication system, communication device, and communication method
01/14/2014US8630035 Modular set of devices for optical amplification of signal by raman fiber amplifier
01/14/2014US8628198 Lighting techniques for wirelessly controlling lighting elements
01/13/2014CA2820829A1 Optical signal emission system
01/09/2014WO2014008084A1 Cable for radio frequency communication
01/09/2014WO2014008052A1 Light focusing structures for fiber optic communications systems and methods of fabricating the same using semiconductor processing and micro-machining techniques
01/09/2014WO2014007981A1 Simulcast mesh dimmable illumination source
01/09/2014WO2014006861A1 Optical branching unit and optical branching method
01/09/2014WO2014005613A1 Method and apparatus for configuring an optical path
01/09/2014WO2014005509A1 Data transmitting and receiving methods and devices
01/09/2014WO2014005259A1 Optical line terminal, optical transceiver module, system, and fiber detection method
01/09/2014US20140010556 Optical line terminal
01/09/2014US20140010555 PON Video Overlay Amplifier Circuit
01/09/2014US20140010553 An electromagnetic interference (emi) shielding device and method for use in an optical communications system
01/09/2014US20140010551 Optical transceiver with optical receiver electrically isolated from housing and optical transmitter with enhanced heat dissipation to housing
01/09/2014US20140010550 Method and Device for Providing Notifications in a System for Visible-Light communication
01/09/2014US20140010549 Oled display for visible ray communication
01/09/2014US20140010548 Sectorization in distributed antenna systems, and related components and methods
01/09/2014US20140010547 Active optical antenna, microwave transmitting system and information sending method
01/09/2014US20140010546 Method and apparatus for performing data rate conversion and phase alignment
01/09/2014US20140010543 Tunable coherent optical receiver and method
01/09/2014US20140010542 Cable communication systems and methods employing qam upstream channels below 16.4 mhz for increased aggregate deployed upstream capacity
01/09/2014US20140010540 Visible light communication method and apparatus
01/09/2014US20140010539 Methods and systems of specifying coaxial resource allocation across a mac/phy interface
01/09/2014US20140010537 EPON/EPOC Time Division Duplex (TDD) Mode
01/09/2014US20140010534 Optical Line Terminal and Operation of Optical Network
01/09/2014US20140010533 Automatic bias control method and apparatus for optical transmitter
01/09/2014US20140010532 Pilot symbol aided carrier phase estimation
01/09/2014US20140010531 Scheduling method, apparatus, and system for avoiding dual-end monitoring conflict for submarine cable optical line
01/09/2014US20140010530 Optical transmitter, wavelength multiplexing transmission device and optical transmission method
01/09/2014US20140010529 Method for Detecting and Excluding Failed Optical Network Termination
01/09/2014DE112011105112T5 Heterodyner Optik-Spektrum-Analysator Heterodyne optical spectrum analyzer
01/08/2014EP2683101A1 Polarization multilevel signal optical receiving apparatus, polarization multilevel signal optical transmitting apparatus, and polarization multilevel signal optical transmission apparatus
01/08/2014EP2683100A1 Data transmission method, and device and system thereof
01/08/2014EP2683099A1 Optical network unit detection method and device, and passive optical network system
01/08/2014EP2681925A1 Wavelength management in multiple-wavelength passive optical networks
01/08/2014CN203387519U ROF-based novel base station feedback reception and transmit-receive calibration reuse circuit
01/08/2014CN203387516U Signal processing device and light control sensing system
01/08/2014CN203387515U An outburst reception control circuit and an outburst mode optical receiver
01/08/2014CN203387514U Optical network unit optical module capable of adjusting emission wavelength
01/08/2014CN203387513U Optical network unit optical module for gigabit passive optical network
01/08/2014CN203387512U Signal transmission apparatus and system
01/08/2014CN203387511U Full-link monitoring remote pump system
01/08/2014CN203387510U Digital diagnosis monitoring circuit used for optical module
01/08/2014CN203387508U Novel multi-network-fusion indoor distribution system
01/08/2014CN203386347U Portable intelligent emergency communication device for environmental monitoring
01/08/2014CN203385905U Optical module
01/08/2014CN203385904U BOSA module package shell and BOSA module
01/08/2014CN203385903U Optical transmitting and receiving assembly for 40 G
1 ... 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 ... 732