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)
07/2008
07/02/2008CN101212403A Method and node for implementing optical outburst switching loop network
07/02/2008CN101212258A Photorecepteur
07/02/2008CN101212257A Optic transmitter and method for producing optical return-to-zero codes in a variety of code formats
07/02/2008CN101212256A Optical beam transmission channel switching device for optical fiber network
07/02/2008CN101212255A Dynamic bandwidth adjustment and fault protection method and device for optical access network
07/02/2008CN101212254A Optical source link transmission device and method
07/02/2008CN101212253A Optical beam transmission channel switching device for optical fiber network
07/02/2008CN101212252A Optical beam transmission channel switching device for optical fiber network
07/02/2008CN101211087A Optical fibre amplifier and manufacture method and fiber communication system
07/02/2008CN100399728C Millimeter wave frequency shift key control communication device implemented by optical fiber raster
07/02/2008CN100399727C Optical burst mode receiver
07/02/2008CN100399718C High data rate wireless communication system
07/02/2008CN100399704C Line coding scheme for digital communications, transmission method and apparatus
07/02/2008CN100399111C Farady rotator and optical device comprising same
07/02/2008CN100399089C Photoelectric receiver
07/02/2008CN100399082C Electric tuning integrated optical filter with high-fineness
07/02/2008CN100399076C Dispersion slope compensating optical fiber
07/01/2008US7394996 Burst mode optical receiver and system and method therefor
07/01/2008US7394995 System and method for a compact optical receiver with wide dynamic range
07/01/2008US7394994 Optical receiver circuit
07/01/2008US7394993 Dispersion compensation quantity setting method, receiving terminal station, and wavelength-multiplexing optical transmission system
07/01/2008US7394992 Control of an optical modulator for desired biasing of data and pulse modulators
07/01/2008US7394990 All optical wavelength converter
07/01/2008US7394989 Signal transmission device
07/01/2008US7394988 Dual band wireless communication having high availability and high bandwidth
07/01/2008US7394987 Programmable infrared data processor
07/01/2008US7394984 Fiber access architecture capable of being seamlessly upgraded
07/01/2008US7394983 Method and apparatus for detecting optical switch fault by monitoring optical output transitions
07/01/2008US7394982 Current sensing system
07/01/2008US7394981 Optical communication management systems
07/01/2008US7394980 Systems and methods for testing a circuit in a communication network
07/01/2008US7394951 Optical signal level control apparatus
07/01/2008US7394883 Multiple antenna system
07/01/2008US7394771 Apparatus and method for data communication including establishing communication using tone signal
07/01/2008US7394753 Training premable in multipoint-to-point communication using orthogonal frequency division multiplexing
07/01/2008US7394590 Control device and control method of optical amplifier
07/01/2008US7394589 Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) signal lights
07/01/2008US7393119 Method and apparatus for constant light output pulsed L.E.D. illumination
06/2008
06/26/2008WO2008077101A1 Method and apparatus to facilitate ice-accumulation abatement
06/26/2008WO2008076432A1 Distributed antenna system for mimo technologies
06/26/2008WO2008075430A1 Optical receiver
06/26/2008WO2008074206A1 A dispersion compensation method and optical transmission system
06/26/2008WO2008074193A1 A self adapting dispersion compensation system and method for optical communication network
06/26/2008WO2008074085A1 Non-linearity compensation in an optical transmission
06/26/2008WO2008057904A3 Small form pluggable analog optical transmitter
06/26/2008WO2008048372A3 Systems and methods for the integration of framing oam&p, and forward error correction in pluggable optical transceiver devices
06/26/2008WO2008022071A3 All-optical am-to-fm up-conversion for radio-over-fiber
06/26/2008WO2008011270A3 Communication system for video and bidirectional data transmission between a cable head- end and a plurality of subscribers
06/26/2008WO2008010884A3 Centralized optical-fiber-based rfid systems and methods
06/26/2008US20080152363 Polarization tracking and signal equalization for optical receivers configured for on-off keying or pulse amplitude modulation signaling
06/26/2008US20080152362 Adaptive polarization tracking and equalization in coherent optical receivers
06/26/2008US20080152361 Frequncy estimation in an intradyne optical receiver
06/26/2008US20080152360 Ultrafast chirped optical waveform recording using referenced heterodyning and a time mircoscope
06/26/2008US20080152359 Light receiving apparatus using dqpsk demodulation method, and dqpsk demodulation method
06/26/2008US20080152358 Light receiver
06/26/2008US20080152357 Signal transmission device, signal reception device, test device, test module, and semiconductor chip
06/26/2008US20080152356 Inverter based return-to-zero (RZ)+ Non-RZ (NRZ) signaling
06/26/2008US20080152355 Generation of a full-rate optical duobinary signal using half-rate electrical binary signals
06/26/2008US20080152354 Fiber Optically Coupled Control System for Homes and Businesses
06/26/2008US20080152352 Inline pump sharing architecture for remotely-pumped pre- and post-amplifiers
06/26/2008US20080152351 Data communication using solitons
06/26/2008US20080152350 Broadband access system and device
06/26/2008US20080152349 Device to detect or generate optical signals
06/26/2008US20080152348 Ir receiver and ir transmitter/receiver module using same
06/26/2008US20080152347 Infrared remote control module and portable electronic device using same
06/26/2008US20080152344 Passive optical network and ultrawide band adapter
06/26/2008US20080152342 Optical network transmission channel failover switching device
06/26/2008US20080151377 Dispersion compensator, optical transmission system and optical transmission method
06/26/2008US20080151359 Optical transmission system and signal spectrum correction method
06/26/2008US20080150555 Detection system
06/26/2008CA2673372A1 Non-linearity compensation in an optical transmission system
06/25/2008EP1936841A2 OSNR monitoring apparatus and method using polarization splitting
06/25/2008EP1936339A1 Method and device for cavity enhanced optical vernier spectroscopy
06/25/2008EP1935119A1 Optical routing and transport accelerator (orta)
06/25/2008EP1934861A2 Method and system for control loop response time optimization
06/25/2008EP1934811A1 Media converter rfid security tag
06/25/2008EP1745315A4 High repetition rate, linear, true time optical delay line
06/25/2008EP1741212B1 Device and method for decoding an optical multi-level dpsk signal
06/25/2008EP1573940B1 System and method to minimize modulation instability
06/25/2008CN101208912A 通信网络系统 The communication network system
06/25/2008CN101208885A Passive optical test termination
06/25/2008CN101208884A COTDR arrangement for an undersea optical transmission system comprising multiple cable stations and multiple transmission segments
06/25/2008CN101207446A Dispersion compensator, optical transmission system and optical transmission method
06/25/2008CN101207445A Chromatic aberration compensation method and optical fiber transmission system
06/25/2008CN101207444A 相干光接收器 Coherent optical receiver
06/25/2008CN101207443A System, apparatus and method for locking injection of light source
06/25/2008CN101207442A Telephone optical transmitter and receiver with netting line state monitoring function and netting line state monitoring method
06/25/2008CN101207441A Infrared light receiving/transmitting module
06/25/2008CN101207440A Capture performance test method of space optical communication system
06/25/2008CN101206797A Apparatus for optical data transmission
06/25/2008CN101206375A Device for conversion of all optical non-return-to-zero amplitude modulation code to bi-phase shift keying code
06/25/2008CN101206286A Optical component of light transceiver for optical fiber communication
06/25/2008CN101206285A Reconfigurable optical add-drop multiplexer which multiport can be extracted or pluggable
06/25/2008CN101206155A Method and apparatus for measuring transmission loss of optical waveguide
06/25/2008CN100397891C Method for solving convergence interference using multi-nierarchy structure
06/25/2008CN100397795C Information retrieval system based on position of the light source
06/25/2008CN100397233C Doped ring amplified optical fiber and amplifier containing the same optical fiber
06/25/2008CN100397232C Cascade electric filter using one acousto-optic tunable filter and multiple narrow-band double refration filter
06/25/2008CN100397128C Optical fibre wave conducting type optical submodule
06/25/2008CN100397125C Variable optical attenuator with MEMS devices