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)
09/2012
09/12/2012CN102664682A Optical fiber communication method based on cascade chain type power conversion devices
09/12/2012CN102664680A Circuit capable of realizing passivity of intelligent optical distribution interface board in the machine disc enabling way
09/12/2012CN102664679A Arrayed photoelectric detector in wireless laser communication device
09/12/2012CN102664676A Transmission and test system for signal-wavelength 3Gbps space high-speed light
09/12/2012CN102664675A Hot standby processing scheme of optical communication signals
09/12/2012CN102664674A Test device of communication equipment and use method of test device
09/12/2012CN102662565A Tangible digital-communication interactive method, system and device
09/12/2012CN101854212B Dual-rate optical signal receiving device
09/12/2012CN101814952B Method for testing lightwave transmission characteristics in atmospheric channel
09/12/2012CN101529758B Polarization mode dispersion monitoring and fault correlation
09/11/2012US8265491 Method for improving the performance of digital coherent optical receiver using single ended photo-detection
09/11/2012US8265490 Transamplifier, system and method for amplification of optical signals at plural wavelengths
09/11/2012US8265489 Optical field transmitter and optical field transmission system
09/11/2012US8265488 Electromagnetic transmission/reception system
09/11/2012US8265487 Half-duplex, single-fiber (S-F) optical transceiver module and method
09/11/2012US8265486 Optical communication module
09/11/2012US8265485 Optical transmission system and method for chromatic dispersion compensation
09/11/2012US8265484 RF signal transport over passive optical networks
09/11/2012US8265483 Parallel optical polarization tracking
09/11/2012US8265482 Device and method to allow for uni-directional traffic on local area networks
09/11/2012US8265481 Wavelength assignment in an optical WDM network
09/11/2012US8265480 Light mark, method and device for light mark modulation and demodulation
09/11/2012CA2394511C System and method for automatic optimization of optical communication systems
09/07/2012WO2012118567A2 Multiplexed pulse modulation using superposition
09/07/2012WO2012118215A1 Light receiver, polarizing beam splitter, and light-receiving method
09/07/2012WO2012117951A1 Optical receiver and optical receiving method
09/07/2012WO2012117714A1 Optical unit for wavelength-selecting switch and wavelength-selecting switch
09/07/2012WO2012117565A1 Optical communication system with monitor functions and monitoring method therefor
09/07/2012WO2012117564A1 A wavelength path control system, a wavelength path controlling method, and a storage medium for storing a wavelength path controlling program
09/07/2012WO2012116406A2 Improvements in optical ofdm transmission
09/06/2012US20120226964 Dynamic synchronization of data capture on an optical or other high speed communications link
09/06/2012US20120224868 Optical receiver based on a decision feedback equalizer
09/06/2012US20120224867 Method and apparatus for all-optical discrete fourier transform including all-optical ofdm demultiplexing
09/06/2012US20120224866 Method for processing data in an optical network element and optical network element
09/06/2012US20120224865 Phase locked loop
09/06/2012US20120224864 Method and arrangement for stabilizing a color coding method and optically transferring data
09/06/2012US20120224863 Multipath channel for optical subcarrier modulation
09/06/2012US20120224862 System, Method, and Apparatus for High-Sensitivity Optical Detection
09/06/2012US20120224861 Dynamic spatial-mode allocation in an under-addressed optical mimo system
09/06/2012US20120224860 Method and device for determining output of visible frame in visible light communication system
09/06/2012US20120224859 Photonic impulse generator
09/06/2012US20120224856 Optical modulation device and optical modulation method
09/06/2012US20120224855 Digital phase conjugation for fiber-optic links
09/06/2012US20120224854 Use of the same set of wavelengths for uplink and downlink signal transmission
09/06/2012US20120224852 System, Method, and Apparatus for High-Sensitivity Optical Detection
09/06/2012US20120224851 Bandwidth variable communication method, bandwidth variable communication apparatus, transmission bandwidth determination apparatus, transmission bandwidth determination method, node apparatus, communication path setting system, communication path setting
09/06/2012US20120224850 Optical networks
09/06/2012US20120224849 Optical interconnect using optical transmitter pre-distortion
09/06/2012US20120224848 Optical fiber transmission system and power control method of the same
09/06/2012US20120224847 Quadrature Time Skew Detection for Coherent Optical Signals
09/06/2012US20120224846 Fault Localization and Fiber Security in Optical Transponders
09/06/2012US20120224845 Administrative boundaries in single or multiple domain optical networks
09/06/2012US20120224812 90-degree hybrid
09/06/2012US20120224254 Rare-Earth-Doped Amplifying Optical Fiber
09/06/2012US20120224184 Optical detector for detecting optical signal beams, method to detect optical signals, and use of an optical detector to detect optical signals
09/06/2012US20120223694 Operating a Semiconductor Component Having a Breakthrough Voltage
09/05/2012EP2495925A1 Method and apparatus for compatibly realizing pdm-bpsk and qpsk modulation
09/05/2012EP2495903A1 Optical transmission system, method and device based on polarization multiplexing
09/05/2012EP2495894A1 Optical detector for detecting optical signal beams, method to detect optical signals, and use of an optical detector to detect optical signals
09/05/2012EP2495893A1 Optical detector for detecting optical signal beams, method to detect optical signals, and use of an optical detector to detect optical signals
09/05/2012EP2495892A1 Method, device and system for signal processing in passive optical network
09/05/2012EP2495891A1 Device to transmit data by displaying a coded image generated according to a selectable encoding scheme and associated methods
09/05/2012EP2495890A1 Method and apparatus for compensating nonlinear damage
09/05/2012EP2495889A1 Pre-equalisation optical transmitter and pre-equalisation optical fibre transmission system
09/05/2012EP2495888A1 Method and apparatus for compensating nonlinear damage
09/05/2012EP2495765A1 Operating a semiconductor component having a breakthrough voltage
09/05/2012EP2495612A1 Optical signal processing device, receiver, and optical network system
09/05/2012EP2495434A1 System for monitoring the status of rotor blades on wind energy facilities
09/05/2012EP2494752A2 Use of semiconductor optical amplifiers-based intensity modulator in signal transmission
09/05/2012EP2494718A1 Use of the same set of wavelengths for uplink and downlink signal transmission
09/05/2012EP2494717A1 Introduction-side dispersion shifting of channels
09/05/2012EP2494716A1 Distinct dispersion compensation for coherent channels and non- coherent channels
09/05/2012EP2494715A1 Optical receiver having fractional sampling
09/05/2012EP2494714A1 Data transmission system and method
09/05/2012EP2494713A1 Optical data bus and method
09/05/2012EP2494712A1 Commissioning coded light sources
09/05/2012CN202424726U Multi-system RF light transmission module
09/05/2012CN202424725U High-speed data and radio-frequency multiplexing optical module
09/05/2012CN202424721U Puller for 2M connector
09/05/2012CN1838571B Device for optically regenerating pulses, an installation including such a device, and the use of the device
09/05/2012CN102656838A Optical network terminal management control interface-based passive optical network security enhancement
09/05/2012CN102656827A Optical fiber amplifier with improved transient performance
09/05/2012CN102656826A Optical OFDM transmission having a variable transmission rate
09/05/2012CN102656825A Method and apparatus for improved SBS suppression in optical fiber communication systems
09/05/2012CN102656824A Carrier phase estimator for non-linear impairment monitoring and mitigation in coherent optical systems
09/05/2012CN102656823A Signal processing apparatus, transmitter, receiver and method
09/05/2012CN102655433A Nonlinear damage compensation method and nonlinear damage compensation device
09/05/2012CN102655432A Nonlinear damage compensating method and device
09/05/2012CN102655431A High-sensitive multimode fiber receiving circuit
09/05/2012CN102654000A Photoelectric password lock system
09/05/2012CN101834669B Frequency shift keying (FSK) optical modulation signal generator based on silicon-based micro ring resonator
09/05/2012CN101667867B High-stability common-frequency optical fiber amplifying work method and high-stability common-frequency optical fiber amplifying station
09/05/2012CN101645737B Optical-communication comprehensive test instrument
09/05/2012CN101640818B Protection device and protection method of optical network
09/05/2012CN101610116B Optical port self-adaptive Ethernet network fiber optical transceiver and self-adaptive approach thereof
09/05/2012CN101583134B Wireless composite trunk equipment in railroad and connected transmission method
09/05/2012CN101577530B Multi-passage power control circuit and method thereof
09/05/2012CN101507150B Radio-over-fiber transponder with a dual-band patch antenna system
09/05/2012CN101438517B Photoelectric field receiver, light multivalued signal receiver and light conveying system
09/05/2012CN101414932B Method, system and apparatus managing alarm of long-distance passive optical network system
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