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)
10/2010
10/20/2010CN101867392A Method, equipment and system for improving type B protection switching performance
10/20/2010CN101867288A Device and method for supplying power to 300PIN 40Gb optical module
10/20/2010CN101866183A Calibration device for rough tracking optical axis of laser space communication system
10/20/2010CN101866091A Programmable optical pulse delay unit and electric pulse delay unit
10/20/2010CN101866090A Programmable polarized optical pulse delay unit and electric pulse delay unit
10/20/2010CN101465705B Method and device for processing signal in microwave transmission equipment and microwave transmission equipment
10/19/2010US7817925 High-speed dispersion compensation control apparatus
10/19/2010US7817924 Rate adjustable differential phase shift key (DPSK) modulation
10/19/2010US7817923 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
10/19/2010US7817922 Apparatus and method to generate carrier suppressed-return to zero optical signal
10/19/2010US7817921 Determination of the amplified spontaneous emission in an optical fibre amplifier
10/19/2010US7817920 Short-distance communication method and apparatus using visible light
10/19/2010US7817919 Method for transmission of data packets by means of an optical burst switching network and network nodes for an optical burst switching network
10/19/2010US7817918 Path protection method for a WDM network and according node
10/19/2010US7817917 System and method for monitoring telecommunications equipment
10/19/2010US7817676 System, method, and computer program product for fiber access
10/19/2010US7817312 Image acquiring device having an optical signal transmission medium
10/19/2010US7817279 Sensing a disturbance
10/19/2010CA2538535C Secure open-air communication system utilizing multi-channel decoyed transmission
10/19/2010CA2525736C Center-side terminal of optical network capable of carrying out processing depending on subscriber number
10/19/2010CA2505289C Carrier for multiple splice trays
10/14/2010WO2010117934A1 Measurement of nonlinear effects of an optical path
10/14/2010WO2010117881A1 Optical network with shared laser array
10/14/2010WO2010116597A1 Wireless microphone
10/14/2010WO2010116487A1 Optical multiplexing terminating device, passive optical network system, and method for allocating frequency
10/14/2010WO2010116477A1 Optical communication device, and dispersion compensation method
10/14/2010WO2010116476A1 Optical device
10/14/2010WO2010116474A1 Optical transmission system and optical transmission method
10/14/2010WO2010116410A1 Optical subscriber terminal device, pon system, and abnormality detection method
10/14/2010WO2010115329A1 Photoelectric interface automatic switching method and device
10/14/2010WO2010115263A1 Clock recovery with channel coefficients
10/14/2010WO2010075479A3 Wireless dynamic power control of an implantable sensing device and methods therefor
10/14/2010US20100263001 Optical-to-millimeter wave conversion
10/14/2010US20100261145 A system and a method for transmission of information
10/14/2010US20100260505 System and method for generating multilevel coded optical signals
10/14/2010US20100260504 Optical transmission system
10/14/2010US20100260503 Free Space Optical Connector
10/14/2010US20100260502 transmitter of multimedia data
10/14/2010US20100260499 Optical transmission apparatus
10/14/2010US20100260497 Method of saving power in optical access network
10/14/2010US20100260496 Optical network with shared laser array
10/13/2010EP2239868A1 Driving method and driving apparatus for optical modulator, and optical transmitter using same
10/13/2010EP2238697A2 Skew compensation across polarized optical channels
10/13/2010EP1905176B1 Optical network monitor pcb
10/13/2010EP1772983B1 Multimode optical transmission device
10/13/2010EP1250018B1 Wireless base station network system, control station, base station switching method, signal processing method, and handover control method
10/13/2010CN201608841U 一种新型olt设备 A new olt equipment
10/13/2010CN201608720U 一种多模包层泵浦大功率光纤放大器变结构控制设备 A multi-mode high-power cladding pumped fiber amplifier Variable Structure Control Equipment
10/13/2010CN201608719U 一种波分复用无源光网络保护倒换装置 A passive optical network protection switching devices WDM
10/13/2010CN201608423U 激光器和光收发机 Laser and optical transceiver
10/13/2010CN1874192B Device for adjusting and measuring optical module
10/13/2010CN1817006B Method and apparatus for registering multiple remote nodes in an Ethernet passive optical network
10/13/2010CN1620772B Methods and apparatuses to provide a wavelength division-multiplexing passive optical network based on wavelength-locked wavelength-division- multiplexed light sources
10/13/2010CN1338135B Opto-electronic oscillators having optical resonators
10/13/2010CN101861698A Optical burst signal receiver
10/13/2010CN101860770A Method and system for converging fixed network and mobile network
10/13/2010CN101860507A Receiving method of optical orthogonal frequency-division multitask signal and receiver thereof
10/13/2010CN101860500A Methods, devices and systems for generating and receiving phase polarization modulation signals
10/13/2010CN101860457A Network element configuration method, device and system
10/13/2010CN101860456A Method and system for updating software of optical network units (ONUs) in Ethernet passive optical network
10/13/2010CN101860430A Device and method for implementing optical network unit switching clock source
10/13/2010CN101860401A Dispersion compensation adjustment method, device and system thereof
10/13/2010CN101860400A Optical receiver and method for optical reception
10/13/2010CN101860399A Passive optical network system fusing wireless and full optical virtual private network services
10/13/2010CN101860398A Light beam path monitoring device and light beam path monitoring method
10/13/2010CN101860397A Photoelectric receptor for continuously compensating equilibrium path and compensation method thereof
10/13/2010CN101860378A Access method of WLAN signal in station access network and system
10/13/2010CN101859486A An infrared-ray receiver having a gain control unit of mode transformation type
10/13/2010CN101363944B Apparatus for attenuating a light beam in optical fiber transmission
10/13/2010CN101188459B An optical packet format and its label and payload generation and separation system
10/13/2010CN101047443B Fault detection debugging method of passive optical network system and communication message device
10/13/2010CN101013921B Optical path double-in multi-out splitter of plane light wave with redundant channel
10/12/2010US7813655 Signal waveform deterioration compensator
10/12/2010US7813654 Broadband linearization of photonic modulation using transversal equalization
10/12/2010US7813653 Method and apparatus for reducing clipping in an optical transmitter by phase decorrelation
10/12/2010US7813652 Optical pulse time spreading device
10/12/2010US7813651 Tunable radio frequency and microwave photonic filters
10/12/2010US7813650 Optical system
10/12/2010US7813648 Method and apparatus for compensating for fiber nonlinearity in a transmission system
10/12/2010US7813647 Chromatic dispersion compensation control method and apparatus
10/12/2010US7813646 Power over optical fiber system
10/12/2010US7813645 Infrared light emitting and receiving system
10/12/2010US7813644 Optical device with a steerable light path
10/12/2010US7813643 Portable electronic apparatus having remote control module
10/12/2010US7813642 Optical transmission apparatus and method of controlling the same
10/12/2010US7813641 Fiber optic cable topology for fiber optic repeater distributed antenna system
10/12/2010US7813640 Optical connection switching apparatus and management control unit thereof
10/12/2010US7813602 Non-contact connector
10/12/2010US7813035 Nonlinearity and dispersion management for pulse reshaping in high energy fiber amplifier
10/12/2010US7813034 Multi-stage Raman amplifier
10/12/2010US7813032 Methods to control phase shifts of delay demodulation devices
10/12/2010CA2403056C Raman amplifier system
10/07/2010WO2010115071A2 Remote circuit locking switch system
10/07/2010WO2010114734A1 Optoelectronic receiver
10/07/2010WO2010113740A1 Wavelength path demultiplexing-multiplexing optical transmission apparatus
10/07/2010WO2010112939A1 Improvements relating to signal processing
10/07/2010WO2010112845A1 Optical fibre network
10/07/2010WO2010111954A1 Method for measuring optical power, optical line terminal and optical network unit
10/07/2010WO2009110967A8 System and method for dual speed passive optical networks
10/07/2010US20100254719 Device and method for receiving dqpsk signal and method for obtaining dqpsk signal
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