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)
03/2008
03/19/2008CN101147342A Controlling loss of signal thresholds in an optical receiver
03/19/2008CN101147341A System, device and method of expanding the operational bandwidth of a communication infrastructure
03/19/2008CN101147089A Polarisation-controller driving method for optical fiber transmission systems and apparatus in accordance with said method
03/19/2008CN101146368A A multi-optical interface link time slot scrap cleaning method and device
03/19/2008CN101146146A A write-in method for specific information of terminal device and its query method
03/19/2008CN101146074A Processing method for radio access system on downlink signals based on optical fiber radio
03/19/2008CN101146015A A method and device for realizing L1 VPN
03/19/2008CN101145985A A method and system for remotely and real time detecting operation status of automatic switching optical network
03/19/2008CN101145934A A method for improving grid protection performance
03/19/2008CN101145903A User authentication method
03/19/2008CN101145886A Combined wave length generator and generation method
03/19/2008CN101145885A Wave length adjusting device and wave length adjusting method
03/19/2008CN101145884A A judgement method for confliction detection in wave division multiplexing service
03/19/2008CN101145882A Implementation method for quick protective switch
03/19/2008CN101145881A Device for transmitting monitoring information in wave division multiplexing system
03/19/2008CN101145880A Non symmetric wave division multiplexing transmission system
03/19/2008CN101145879A A device and method for realizing section protection in single fiber bidirectional WDM system
03/19/2008CN101145878A WDM system instantaneous optimization control method and system
03/19/2008CN101145877A Optical forward board with multi-cast function and broadcast network with this optical forward board
03/19/2008CN101145865A Error code conversion method and device
03/19/2008CN101145857A A service convergence system for saving core router port
03/19/2008CN101145856A A multi-broadcast communication method and device for automatic protection switching
03/19/2008CN101145855A A color dispersion compensation device and its method for optical network
03/19/2008CN101145854A A device for optical amplification for single fiber bidirectional WDM system
03/19/2008CN101145853A An instantaneous status determination device for Erbium doped optical fiber amplifier
03/19/2008CN101145852A High-power optical fiber Brillouin amplifier for full optical buffer
03/19/2008CN101145851A Device and method for optimizing and adjusting determination level of receiver
03/19/2008CN101145850A Return-to-zero alternate signal transmission and reversion optical transmitter and optical signal generation method
03/19/2008CN101145849A Signal receiving system and method for differential phase shift key control optical transmission system
03/19/2008CN101145848A Optical receiving-transmission integrated module for 1000M passive optical network office
03/19/2008CN101145847A Preferential choice method for wave length scheme of G.653 optical fiber WDM system
03/19/2008CN101145846A Device and method for service transmission timing and networking timing in optical access network
03/19/2008CN101145845A Full duplex optical fiber radio communication base station without light source and modulator
03/19/2008CN101145844A A start method for single board without local application in synchronous digital series device
03/19/2008CN101145843A A download method for Gbit passive optical network terminal software
03/19/2008CN101145842A A method for indicating remote bug
03/19/2008CN101145841A A method for optical transmission network processing reporting alarming information
03/19/2008CN101145840A An automatic marking method and device for optical communication system single board
03/19/2008CN101145839A Method and device for monitoring sub-network connection protection of k-rank optical channel data unit sub-layer
03/19/2008CN101145838A A method for obtaining DWDM system optical S/N ratio
03/19/2008CN101145837A A circuit system and method of automatically recoverable available service clock
03/19/2008CN101145836A A multi-service integrated access device
03/19/2008CN101145835A A parameter automatically-adjusted optical transmission device, system and method
03/19/2008CN101145276A Bidirectional infrared receiver-transmitter area-control method
03/19/2008CN101144956A L wave band bilateral backward pump erbium-doped optical fiber amplifier
03/19/2008CN101144916A Method and device for producing light millimeter wave adopting single-stage modulator
03/19/2008CN100375911C Fibre-optical with wide-band light amplification and dispersion compensation functions and production thereof
03/18/2008USRE40154 Fiber optic module
03/18/2008US7346674 Configurable fibre channel loop system
03/18/2008US7346284 Method and apparatus for encoding optical power and non-payload data in an optical signal
03/18/2008US7346283 Method and apparatus for CRZ-DQPSK optical signal generation
03/18/2008US7346282 Optical-transmission-space determining apparatus and optical-space transmission apparatus
03/18/2008US7346281 Hybrid RF/optical communication system with deployable optics and atmosphere compensation system and method
03/18/2008US7346279 Optical transceiver using heterodyne detection and a transmitted reference clock
03/18/2008US7346278 Analog to digital signal conditioning in optoelectronic transceivers
03/18/2008US7345811 Multimode fiber optic amplifier and method of amplifying optical signals
03/18/2008US7345802 Laser and fiber coupling control
03/18/2008US7345769 Load dependent analyzing optical components
03/18/2008CA2369205C Modulation scheme for tedons
03/18/2008CA2280578C Polarisation mode dispersion measurement
03/13/2008WO2008030650A2 Method and apparatus for grouping terminal network devices
03/13/2008WO2008030537A2 Polarization envelope modulation for signaling and labeling in optical networks
03/13/2008WO2008030000A1 Method of controlling optical output power and passive optical network system using the same
03/13/2008WO2008028363A1 Grouping filtering device and method thereof
03/13/2008WO2008028346A1 Bail type unlocking and resetting device for hot pluggable opto-electronic module
03/13/2008WO2008006964A3 Deep-sea network and deployment device
03/13/2008WO2007143542A3 Dispersion and nonlinear compensator for optical delivery fiber
03/13/2008WO2007126846A3 Free-space optical hybrid
03/13/2008WO2007098411A3 Transmission network having an optical receiver that utilizes dual power pins and a single status pin to lower power consumption, lower manufacturing cost, and increase transmission efficiency
03/13/2008US20080064392 Communication system
03/13/2008US20080063411 Photonics-based Multi-band Wireless Communication System
03/13/2008US20080063410 Optical Transmitting Apparatus and Optical Communication System
03/13/2008US20080063409 Polarization envelope modulation for signaling and labeling in optical networks
03/13/2008US20080063408 Diagnostic method and diagnostic chip for determining the bandwidth of optical fibers
03/13/2008US20080063407 Digital optical network architecture
03/13/2008US20080063405 System and method for providing failure protection in optical networks
03/13/2008US20080063404 Transmitting Device for Free-Space Optical Transmission
03/13/2008US20080063403 Digital Optical Transmitter
03/13/2008US20080063402 Hybrid optical transceiver module and passive optical network including the same
03/13/2008US20080063401 Method, Apparatus and System for High-Speed Transmission on Fiber Optic Channel
03/13/2008US20080063400 Method and Device for Controlling a Remote Vehicle
03/13/2008US20080063396 Optical Subchannels From a Single Lightwave Source
03/13/2008US20080063395 Driving Multiple Transceiver Modules With A Single SERDES Transceiver Chip
03/13/2008US20080063039 Optimization of ultra-wideband communication through a wire medium
03/13/2008US20080063010 Systems and method for orthogonal frequency divisional multiplexing
03/13/2008US20080062980 Communication module and communication apparatus
03/13/2008US20080062640 Compact Optical Transceivers Including Thermal Distributing and Electromagnetic Shielding Systems and Methods Therefor
03/13/2008US20080062407 Method and apparatus for increasing the security of the physical fiber plant by polarization monitoring
03/12/2008EP1898537A1 Diagnostic method and diagnosis chip for waveband determination of optical filaments
03/12/2008EP1897286A1 Communication network system
03/12/2008EP1897255A2 Optical transponder module with dual board flexible circuit
03/12/2008EP1897254A2 Automated optical link power control
03/12/2008EP1897253A1 Method for the raman amplification of optical signals and transmission system
03/12/2008EP1897252A1 Dynamic data-rate adaptive signal processing method in a wireless infra-red data transfer system
03/12/2008EP1896828A1 Method of evaluating fiber pmd using composite potdr trace
03/12/2008EP1730877A4 Autocalibration for qkd systems
03/12/2008EP1687921A4 Detector autocalibration in qkd systems
03/12/2008EP1312182B1 Optical transmission system
03/12/2008CN201035286Y non-clear code toclear code complete light code type converting device
03/12/2008CN201035186Y Distribution frame with conductor configuration coded identification function
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