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)
03/2014
03/26/2014CN103684598A Visible light communication system
03/26/2014CN103684597A FPGA-based visible light video communication system and method
03/26/2014CN103684596A Information processing system, information processing method, and client device
03/26/2014CN103684595A Visible light communication system
03/26/2014CN103684594A Encoding method based on visible light communication
03/26/2014CN103684593A Method and system for visible light communication based on spread spectrum technology
03/26/2014CN103684592A Infrared voice receiving device
03/26/2014CN103684591A Infrared voice transfer device
03/26/2014CN103684590A Infrared voice transmission system
03/26/2014CN103684589A Audio transmission conversion method and device
03/26/2014CN103684588A Infrared ray signal transmitting device and electronic equipment
03/26/2014CN103684587A Multipath wireless laser communication method and device based on digital micro-mirror device
03/26/2014CN103684586A Light communication system, transmitter and receiver
03/26/2014CN103684585A Method, equipment and system for measuring protection group switching time
03/26/2014CN103684584A Optical fiber transmission quality automatic-monitoring system
03/26/2014CN103684583A Detection method of GSM (Global System for Mobile Communications) frequency calibration package
03/26/2014CN103684582A Distribution network communication optical cable fault location method and device
03/26/2014CN103684581A Automatic testing tool and testing method for vlan function of ONU (Optical Network Unit)
03/26/2014CN103684580A Radio remote unit and link fault reporting method thereof as well as wireless communication system
03/26/2014CN103684579A Optical path protecting instrument with band switching function and control method of optical path protecting instrument
03/26/2014CN103684531A Power line communication and visible light communication combined system and method for optimizing cell architectures
03/26/2014CN103683497A Low-rate collector light intensity monitoring system
03/26/2014CN103680123A Method for reading intelligent electric meter, as well as system and plastic optical fiber multiplexer/de-multiplexer
03/26/2014CN103676042A Low profile fiber distribution hub
03/26/2014CN103676032A Connector, method of manufacturing same, and optical communication system
03/26/2014CN103675974A Filter capable of being used for both wave aggregation and bidirectional signal monitoring
03/26/2014CN103326236B Semiconductor laser unit modulating and driving system
03/26/2014CN102227885B Method of switching optical path, and apparatus thereof
03/26/2014CN102204127B Method, apparatus and system for detecting type of network equipment
03/26/2014CN101902278B Microwave signal generation scheme capable of adjusting frequency and pulse width
03/26/2014CN101753206B Dual-computer hot standby system of fiber grating sensing monitoring system
03/25/2014US8682182 Blind carrier frequency offset detection for coherent receivers using quadrature amplitude modulation formats
03/25/2014US8682181 System, method, and apparatus for high-sensitivity optical detection
03/25/2014US8682180 Interpolator for high-rate optical communications
03/25/2014US8682179 Protection switching with transmitter compensation function
03/25/2014US8682178 Method and system for setting timing of phase modulation of xPSK transmitter
03/25/2014US8682176 Optoelectronic processing apparatus and methods for processing constraint information
03/25/2014US8682175 Variable rate transponders for optical communication systems using digital electric filters
03/25/2014US8682174 Optical receiver, optical communication system using the same and equalization method in the optical communication system
03/25/2014US8682173 Communication using modulated waves applied to an optical fiber
03/25/2014US8682172 Optoelectronic communications assembly having an electrical and optical interface
03/25/2014US8682171 Optical/radio local access network
03/25/2014US8682170 System and method for broadband RF interference cancellation
03/25/2014US8682169 Apparatus, systems and methods for detecting infrared signals at a media device configured to be positioned in different orientations
03/25/2014US8682168 Recovering energy from an IrDA/remote control transmitter circuit
03/25/2014US8682167 Optical transmission device
03/25/2014US8682166 Subcarrier multiplexing type optical communication method and passive optical network using the same
03/25/2014US8682163 Detecting method, apparatus, and system in an optical distribution network
03/25/2014US8682162 Method and system for providing a return path for signals generated by legacy terminals in an optical network
03/25/2014US8682161 Optical data transmission system
03/25/2014US8682159 Optical communication system supporting detection and communication networks
03/25/2014US8682157 Optical communication system, optical receiving terminal, and optical signal fault detection method
03/25/2014US8681818 Frame generating apparatus, optical transmission system, frame generating method, and optical transmission method
03/25/2014US8681420 Optical transmission system
03/25/2014US8681419 Optical amplifier and transmission loss measurement method
03/25/2014US8681027 Digital receiver and optical communication system that uses same
03/25/2014US8681015 Method and apparatus for collecting data from automatic meter reading for smart power grid
03/20/2014WO2014043598A1 Reconfigurable liquid metal fiber-optic mirror
03/20/2014WO2014043089A1 Method and apparatus for optical coupling and opto-electronic conversion
03/20/2014WO2014042905A1 Optical communication of interleaved symbols associated with polarizations
03/20/2014WO2014042570A1 Qos-based cooperative scheduling for handling of data traffic
03/20/2014WO2014041368A1 Optical transmitter
03/20/2014WO2014041073A1 Visualization of an optical signal through linear optical sampling
03/20/2014WO2014041009A1 Method for creating a fiber-optic connection, use of a splicing device, and method for creating a connection protocol
03/20/2014WO2014040629A1 Optical network element
03/20/2014WO2014040619A1 Detecting optical fibre stress in an optical communications network
03/20/2014WO2014040272A1 Method, device and system for coherent receiving signal
03/20/2014WO2014040255A1 Optical power detection method, apparatus and device, and optical module
03/20/2014WO2014040216A1 Method and device for adjusting signal frequency
03/20/2014WO2013189422A3 Light receiving device and method, and light transceiving integrated module
03/20/2014US20140079410 Laser driver peaking system and method for optical communication systems
03/20/2014US20140079408 Coefficient determining apparatus, equalizer, receiver and transmitter
03/20/2014US20140079407 Updating apparatus and method for equalizer coefficient, receiver and otpical communication system
03/20/2014US20140079406 Frame formatting for high rate optical communications
03/20/2014US20140079405 Overmoulding method and overmoulded electronic device
03/20/2014US20140079404 Method and system for free space optical communication utilizing a modulated electro-optical polymer retro-reflector
03/20/2014US20140079403 High-speed pluggable rigid-end flex circuit
03/20/2014US20140079401 Wavelength-division multiplexing optical communication system and method for measuring optical performance of an output signal for the system
03/20/2014US20140079397 Serially-distributed devices in a communication network
03/20/2014US20140079396 Communication method, optical communication system, station-side optical-line terminal apparatus, and user-side optical-line terminal apparatus
03/20/2014US20140079391 In-band supervisory data modulation
03/20/2014US20140079390 In-band supervisory data modulation using complementary power modulation
03/20/2014US20140079389 Path selecting method and apparatus
03/20/2014US20140079388 Measuring In-Band Optical Signal-To-Noise Ratio (OSNR)
03/20/2014US20140079387 Adaptive quantum information processing
03/20/2014US20140079386 Coherent optical receiver, apparatus and method for detecting interchannel skew in coherent optical receiver
03/20/2014US20140079385 Transmitting device, communication system, and method for transmission level control
03/20/2014DE102012111978A1 Optisches Energieübertragungssystem The optical energy transfer system
03/20/2014DE102012018616A1 Method for transferring energy and information from transmission to receiver modules, has detectors to receive laser beams, such that correlation of wavelengths signals is used to detect whether data is sent to receiver module
03/19/2014EP2709327A2 Updating apparatus and method for equalizer coefficient, receiver and optical communication system
03/19/2014EP2709296A1 Opto-coupler speedup circuit
03/19/2014EP2709295A1 Visualisation of an optical signal by linear optical sampling
03/19/2014EP2709294A1 Burst power measurements using averaged power measurement
03/19/2014EP2708926A1 Optical device
03/19/2014EP2707973A2 Optical receiver for amplitude-modulated signals
03/19/2014CN203492164U Transmitting device and receiving device of realizing triple play based on optical code division multiplexing
03/19/2014CN203492153U Kilomega Ethernet video optical transceiver
03/19/2014CN203492026U Optical receiver and optical communication system
03/19/2014CN203490830U Light transmission trigger device
03/19/2014CN203490396U Fiber to the home experimental system
1 ... 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 ... 732