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)
07/2010
07/15/2010US20100178065 Delay processing apparatus, signal amplification apparatus, opto-electric conversion apparatus, analog-digital conversion apparatus, receiving apparatus, and receiving method
07/15/2010US20100178063 Optical regenerator and phase error detection unit for an optical regenerator, and method for optical regeneration
07/15/2010US20100178062 Rz-dpsk modulated optical signal generation apparatus and method
07/15/2010US20100178061 Optical module implementing a light-receiving device and a light-transmitting device within a common housing
07/15/2010US20100178059 System for dynamically optimizing a decision threshold voltage in an optical transponder
07/15/2010US20100178058 Rfid systems and methods for optical fiber network deployment and maintenance
07/15/2010US20100178055 Optical Amplifier with Optical Gain-Control
07/15/2010US20100178053 Optical communications systems and optical line terminals
07/15/2010US20100178052 Optical signal to noise monitor
07/15/2010US20100178050 Signal transmitter, signal receiver, and signal transmission system
07/15/2010US20100178023 Optical interface device
07/15/2010US20100177836 Simulation of Multi-Antenna Radio Channel
07/15/2010US20100176939 Opitcal Wireless Sensor Network
07/15/2010US20100175251 Flexible printed circuit board
07/14/2010EP2207281A1 Signal processing method and apparatus in an optical communication network
07/14/2010EP2206331A1 Reconfiguration of network termination devices
07/14/2010EP2206330A1 Transmission of broadband signals
07/14/2010EP2206306A2 Balanced phase-shaped binary transmission in optical communications
07/14/2010EP2206255A1 Highly tunable, low jitter optical clock generation
07/14/2010EP1617578B1 Optical receiver and optical transmission system
07/14/2010EP1543685B1 Arrangement for monitoring patch panels at distributor points in data networks
07/14/2010EP1323249B1 Optical protection method and system
07/14/2010CN201528431U CDMA digital optical fiber repeater system based on far-end integral module
07/14/2010CN201528339U Data communication equipment
07/14/2010CN201528337U N frequency band optical fiber repeater station system applicable to band spreading
07/14/2010CN201527580U Global ultra-distance control and monitoring system
07/14/2010CN1863026B WDM terminal apparatus using multi-wavelength laser
07/14/2010CN1725677B Method of rearrangement of disordered virtual stage joint group
07/14/2010CN101779397A High-throughput bidirectional passive optical network, associated optical hub and line termination device
07/14/2010CN101779396A Transimpedance amplifier circuit for a photodetector
07/14/2010CN101779395A Electronic system having free space optical elements
07/14/2010CN101778316A Multichannel bidirectional reversible wave multiplexer/demultiplexer
07/14/2010CN101777953A Light double-sideband modulation device and method for transmitting two paths of signals
07/14/2010CN101777952A Method, device and system for realizing millimeter wave demodulation
07/14/2010CN101777951A Method and system for data monitoring
07/14/2010CN101777947A IQ channel distribution method and device on baseband unit
07/14/2010CN101777599A Exciton photodetector for optical communication and preparation method thereof
07/14/2010CN101776781A Optical fiber for improved performance in S-, C- and L-bands
07/14/2010CN101477231B Optical fiber coupling bench
07/14/2010CN101426210B TD-SCDMA intermediate frequency indoor distributing system
07/14/2010CN101159602B Method and device of controlling signaling communication network
07/14/2010CN101110651B Spending treatment method for super-integrated chip
07/14/2010CN101075849B Multi-channel optical receiver module
07/13/2010US7756424 Optical CDMA communications system using OTDL device
07/13/2010US7756423 Wavelength division multiplexing optical transmission apparatus, wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method
07/13/2010US7756422 Method for measuring optical characteristics and system thereof
07/13/2010US7756421 Electrical domain compensation of non-linear effects in an optical communications system
07/13/2010US7756420 System and method for shaping a waveform
07/13/2010US7756418 Passive optical network loss test apparatus and method of use thereof
07/13/2010US7756417 Light-transmitting apparatus and wavelength-division-multiplexing communication system having optical-signal-abnormality-detecting function
07/13/2010US7756416 Optical communication node and optical network system
07/13/2010US7756385 Antisqueezed light generator
07/13/2010US7756181 Semiconductor laser device, optical transmission device, optical transmission system, electronic device, control device, connector, communication device, and optical transmission method and data transmission and reception method
07/13/2010US7756060 Tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing
07/13/2010US7756045 Optical cross connect apparatus and network
07/13/2010CA2550618C Method, apparatus and system for optical communications
07/13/2010CA2503337C System and method to minimize modulation instability
07/13/2010CA2359387C Digital optical switch
07/13/2010CA2358739C High-capacity packet-switched ring network
07/08/2010WO2010078159A2 Optical transceiver ic
07/08/2010WO2010077946A1 Communication system and method with signal constellation
07/08/2010WO2010077581A2 Low latency optical interconnect using refractive index reduced fiber optics
07/08/2010WO2010076567A1 Unidirectional absolute optical attenuation measurement with otdr
07/08/2010WO2010075893A1 Method to define shared risk link groups in optical transport systems
07/08/2010WO2010075886A1 Method and arrangement for transmitting signals in a point to multipoint network
07/08/2010WO2010048034A3 Performance monitoring in passive optical networks
07/08/2010WO2010047969A3 Supporting multi-dwelling units in passive optical networks
07/08/2010US20100172658 Optical receiver circuit
07/08/2010US20100172657 Optical receiver with trans-impedance responding in bit-by-bit to input signal
07/08/2010US20100172656 Optical receiver circuit and optical coupling device
07/08/2010US20100172655 Non-feedback pre-encoder for optical dqpsk modulation
07/08/2010US20100172654 Light emitting element circuit, light transmitting system, light transmitting module, and electronic device
07/08/2010US20100172653 Optical Transmission System, Optical Transmitter for Optical Transmission System, and Optical Receiver for Optical Transmission System
07/08/2010US20100172652 Fiber optic transceiver (fot) module and method for manufacturing an fot module
07/08/2010US20100172651 Light emitting device, light receiving device, data transmission system and data transmission method using the same
07/08/2010US20100172650 Directly modulated laser with integrated optical filter
07/08/2010US20100172649 Free-Space Optical Transceiver Using Multimode Fiber to Couple Single Mode Input Optical Signal
07/08/2010US20100172648 Installation for Conveying a First Plurality of Electrical Signals Carried by a First Triaxial Cable to a Second Triaxial Cable
07/08/2010US20100172644 Optical Transmission Equipment And Optical Add-Drop Multiplexer
07/08/2010DE102007019763B4 Optische Pulscode-Modulation zur Signalübertragung, insbesondere in stark elektromagnetisch gestörter Umgebung Optical pulse code modulation for signal transmission, especially in strong electromagnetic noise environment
07/08/2010DE102007019031B4 Optoelektronische Baugruppe und Verfahren zur Herstellung einer optoelektronischen Baugruppe The optoelectronic assembly and method for producing an optoelectronic assembly
07/07/2010EP2204947A1 Method and node device of ethernet failure detecting and converging
07/07/2010EP2204928A1 Method and device for receiving OPFDM-DQPSK signal
07/07/2010EP2204927A1 Dispersion compensation method and device in optical communication system
07/07/2010EP2204903A1 A radio station and active antenna array
07/07/2010EP2204680A2 Optical signal transfer device
07/07/2010EP2203992A1 Burst power measurements using averaged power measurement
07/07/2010EP2203767A1 Multlmode fiber
07/07/2010CN201523386U Optical differential quadrature phase key control demodulator adjusted by using disturbance
07/07/2010CN201523385U Fiber optic repeater compatible with homogeneous frequency mode and heterogeneous frequency mode
07/07/2010CN201523384U Optical module based on RSSI function
07/07/2010CN201523383U Store-and-forward-type fiber optic repeater
07/07/2010CN201523382U Comparison transmitting-type optical fiber repeater
07/07/2010CN201523381U Atmosphere laser communication automatic tracking system
07/07/2010CN101772910A Data transmission system and method for transmitting data in a data transmission system
07/07/2010CN101772868A 光放大器 Optical amplifiers
07/07/2010CN101771904A Method and system for carrying out service maintenance in automatically switched optical network
07/07/2010CN101771591A Service transmission method and system under RRU and BBU loop network
07/07/2010CN101771490A Method, system and node for obtaining wavelength connection relationship information
07/07/2010CN101771473A Method and device for compensating chromatic dispersion in optical communication system