| 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) |
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| 08/10/2011 | CN102148647A Method, device and system for increasing distance of GPON (gigabit passive optical network) |
| 08/10/2011 | CN102148646A High-sensitivity orthogonal frequency-division multiplexing system receiver based on avalanche diode |
| 08/10/2011 | CN102148645A Optical one-way transmission path |
| 08/10/2011 | CN102148644A WiFi (Wireless Fidelity) RF (Radio Frequency) switch, signal switching method thereof and system adopting switch |
| 08/10/2011 | CN102148643A Device for detecting wave-division multiplexing passive optical network failure and detection method thereof |
| 08/10/2011 | CN102148642A Fiber optic communication network reliability assessment method |
| 08/10/2011 | CN102148641A Data transmission method and system between user facilities |
| 08/10/2011 | CN102147514A Insulated compression resistant cylinder body of submarine optical cable facility, submarine optical cable facility and manufacturing method thereof |
| 08/10/2011 | CN101582717B Method for processing infrared pulse received by receiving terminal of infrared ray corresponding emission device |
| 08/10/2011 | CN101425943B Method for uplink QoS guarantee in G bit passive optical network system |
| 08/10/2011 | CN101399629B Wavelength assignment form generation method and system thereof |
| 08/10/2011 | CN101359963B Dual Ethernet optical fiber transceiver, transceiving method and system |
| 08/10/2011 | CN101340244B Optical receiving module |
| 08/10/2011 | CN101316139B State detection method and device for optical transmission equipment |
| 08/10/2011 | CN101313496B Method and apparatus for generating optical duo binary signals with frequency chirp |
| 08/10/2011 | CN101310463B Distance measurement method and system of passive optical network and optical network unit |
| 08/10/2011 | CN101309123B Optical add/drop multiplexer |
| 08/10/2011 | CN101232360B Data receiving apparatus and method |
| 08/10/2011 | CN101211087B Optical fibre amplifier and manufacture method and fiber communication system |
| 08/10/2011 | CN101202589B Apparatus and method for malfunction detection of transmission equipment |
| 08/10/2011 | CN101179335B Regulation device and method of implementing sideband balance in optical transmission system |
| 08/10/2011 | CN101119163B WDM-PON method, system and optical line terminal for implementing multicast service |
| 08/10/2011 | CN101119161B Fail processing system and method of transmission equipment |
| 08/10/2011 | CN101099316B Methods and apparatus for optical wireless communication |
| 08/10/2011 | CN101084634B Method and apparatus for bias and alignment control in an optical signal transmitter |
| 08/09/2011 | US7995930 Optical receiver using Mach-Zehnder interferometer |
| 08/09/2011 | US7995929 Optical receiver and an optical transmission system incorporating the same |
| 08/09/2011 | US7995928 Collimated ball lenses for optical triplexers |
| 08/09/2011 | US7995927 Transceiver module and integrated circuit with dual eye openers |
| 08/09/2011 | US7995926 Scanned acquisition using pre-track data |
| 08/09/2011 | US7995925 Optical receiver using beam combining and system using the same |
| 08/09/2011 | US7995924 Method and system for generating switching control signal separating transmission signal in optical repeater employing TDD scheme |
| 08/09/2011 | US7995918 Polarization mode dispersion monitoring and fault correlation |
| 08/09/2011 | US7995917 Method and system for measuring optical properties of a medium using digital communication processing techniques |
| 08/09/2011 | US7995916 Verification of path integrity in optical switch network |
| 08/09/2011 | US7995915 Method and apparatus for testing transmission lines normally propagating optical signals |
| 08/09/2011 | US7995914 Method and system for providing fault recovery using composite transport groups |
| 08/09/2011 | US7995598 Small form factor pluggable (SFP) status indicator |
| 08/09/2011 | US7995454 Systems and method for orthogonal frequency divisional multiplexing |
| 08/09/2011 | US7995197 Distributed backscattering |
| 08/04/2011 | WO2011094520A2 Quantum key distribution method and apparatus |
| 08/04/2011 | WO2011093888A1 Optical sensor networks and methods for fabricating the same |
| 08/04/2011 | WO2011092862A1 Light receiver |
| 08/04/2011 | WO2011092060A1 Device for using a broadband network at a customer's premises, method of operating such a device and broadband network system utilizing such a device |
| 08/04/2011 | US20110188867 Dqpsk demodulator |
| 08/04/2011 | US20110188866 Coherent optical communication device and method |
| 08/04/2011 | US20110188865 Method for rapid determination of lowest cost wavelength routes through a photonic network based on pre-validated paths |
| 08/04/2011 | US20110188864 Optical transmitter, optical receiver, and optically coupled insulating device |
| 08/04/2011 | US20110188863 Optical transceiver with polarity inversion |
| 08/04/2011 | US20110188862 Layout apparatus, radio apparatus, and method for communicating in an airplane |
| 08/04/2011 | US20110188860 Electrical equalizing processing method and device for optical signal and optical fiber communication system |
| 08/04/2011 | US20110188859 Wdm-pon architecture based on externally seeded optical source |
| 08/04/2011 | US20110188858 Optical backhaul network for wireless broadband service |
| 08/04/2011 | US20110188854 Optical receiving apparatus and optical transmission system |
| 08/04/2011 | US20110188853 Wavelength division multiplex terminal with automatic configuration and supervision of switch connections |
| 08/04/2011 | US20110188851 Optical network and control method therefor |
| 08/04/2011 | US20110188850 Interferometer, demodulator, and optical communication module |
| 08/04/2011 | US20110188595 Simulation of Multi-Antenna Radio Channel |
| 08/04/2011 | US20110187975 Method for control of electromagnetic terahertz carrier waves |
| 08/04/2011 | US20110186715 Dynamic Impedance Receiver Circuit For Ultrafast Low-power Photodetector |
| 08/04/2011 | DE102010006711A1 System for optical data transmission between electrical device i.e. inverter, and computer, has logic unit is provided in converter, such that control values for influencing component are supplied to converter over control data stream |
| 08/03/2011 | EP2352254A1 Method and apparatus for transmitting physical layer operations administration and maintenance message |
| 08/03/2011 | EP2352239A1 A method, device and system for optic-demodulating the optical carrier of polarization division multiplexing |
| 08/03/2011 | EP2352238A1 A delay control method in the passive optical network, an optical line terminal and a passive optical network |
| 08/03/2011 | EP2351680A1 System and process for monitoring railway tracks |
| 08/03/2011 | EP2351266A1 Optical component and method for data processing |
| 08/03/2011 | EP2351265A1 Coherent optical system comprising a tunable local oscillator |
| 08/03/2011 | EP2351264A1 System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks |
| 08/03/2011 | EP2351263A2 Sampling-based balanced detection system |
| 08/03/2011 | EP2351262A1 Rfid systems and methods for optical fiber network deployment and maintenance |
| 08/03/2011 | EP2351261A1 Optical broadcast buses with shared optical interfaces |
| 08/03/2011 | EP2351168A1 Modular set of devices for optical amplification of signal by raman fiber amplifier |
| 08/03/2011 | EP2350772A1 Prioritized optical arbitration systems and methods |
| 08/03/2011 | EP2350602A1 Method and apparatus for determining a signal transfer characteristic along a light path in an optical network |
| 08/03/2011 | EP1368869B1 System and method for wide band raman amplification |
| 08/03/2011 | CN201919131U 一种通信设备 A communication device |
| 08/03/2011 | CN201919117U 用于有线电视双向网络改造的射频光纤传输光工作站 For two-way cable TV network transformation optical fiber transmission radio station |
| 08/03/2011 | CN201919037U 监控防盗手机 Monitoring anti-theft mobile phone |
| 08/03/2011 | CN201918997U 铁路区间光通话柱 Light Talk column Railway Section |
| 08/03/2011 | CN201918996U 一种雷电冲击设备的信号传输装置 A signal transmission equipment Lightning Shock |
| 08/03/2011 | CN201918995U Electricity-saving optical network unit |
| 08/03/2011 | CN201918994U Ftth无源光链路监测系统 Ftth Passive Optical Link Monitoring System |
| 08/03/2011 | CN201918993U 用于钳形电流表和电脑连接的光电转换接口 For photoelectric conversion interface and a computer connected to the clamp meter |
| 08/03/2011 | CN201918988U 漏缆监测设备及其系统 Drain cable monitoring equipment and systems |
| 08/03/2011 | CN201918629U 10g电吸收调制激光发射器 10g electro-absorption modulator laser transmitter |
| 08/03/2011 | CN201918010U 一种用于高压系统的电压、电流采集和传输装置 Voltage, current collection and transmission means for a high pressure system |
| 08/03/2011 | CN1972157B Optical transponder module with dual board flexible circuit |
| 08/03/2011 | CN102144362A Optical signal transmission system, transmitter, receiver, and optical signal transmission method |
| 08/03/2011 | CN102143413A Time division multiplexing (TDM) passive optical network (PON) upgrade system and transmission method thereof |
| 08/03/2011 | CN102143411A Signal processing method, device and system |
| 08/03/2011 | CN102143408A Method, device and system for communicating passive optical network |
| 08/03/2011 | CN102143407A Method, system and device for transmitting wavelength division multiplexing passive optical network |
| 08/03/2011 | CN102143105A Control device and method for improving stability of cross point of eye pattern |
| 08/03/2011 | CN102142953A Time synchronization method, network element and system |
| 08/03/2011 | CN102142949A Method for automatically and transparently transmitting two paths of serial signals in full-redundancy manner |
| 08/03/2011 | CN102142920A Polarization multiplexing transmitter and transmission system |
| 08/03/2011 | CN102142905A Method and device for compensating chromatic dispersion in optical communication system |
| 08/03/2011 | CN102142904A Optical transmission and reception system, and optical receiver |
| 08/03/2011 | CN102142903A Optical power regulating and measuring method, device and system |
| 08/03/2011 | CN102142902A Method and device for realizing direct detection and coherent detection |