| 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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| 12/25/2008 | US20080317470 Repeater Surge Coil and Diode Chain Design |
| 12/25/2008 | US20080317469 Passive optical network system and ranging system thereof |
| 12/25/2008 | US20080317463 Optical transmitter system |
| 12/25/2008 | US20080317462 Optical fiber link monitoring method and apparatus for passive optical network |
| 12/25/2008 | US20080317461 Automatic power restoring method and optical communication system |
| 12/25/2008 | US20080317407 Optical Rotating Data Transmission Device of Short Overall Length |
| 12/25/2008 | US20080316591 Optical amplifier |
| 12/24/2008 | WO2008155326A1 Positioning method and devices in a mobile radio communications system |
| 12/24/2008 | WO2008154881A1 Light mark, method and device for light mark modulating and demodulating |
| 12/24/2008 | WO2008092067A3 Modular wireless communications platform |
| 12/24/2008 | EP2007063A1 A user authentication method, apparatus and system for passive optical network |
| 12/24/2008 | EP2007042A2 Wavelength division multiplexing system and residual dispersion compensating device and method thereof |
| 12/24/2008 | EP2007041A1 Optical amplifier |
| 12/24/2008 | EP2007040A1 PON burst mode receiver with fast decision threshold setting |
| 12/24/2008 | EP2007039A2 Phase monitor apparatus, phase control apparatus and methods thereof for optical DQPSK receiver |
| 12/24/2008 | EP2007038A2 Phase monitor apparatus, phase control apparatus and method thereof for optical DPSK receiver |
| 12/24/2008 | EP2007037A1 Polarization modulation scheme for intra-channel non-linear suppression |
| 12/24/2008 | EP2007036A1 Method for determining the carrier-to-noise-ratio when transmitting carrier frequencies in optical transmission systems |
| 12/24/2008 | EP2005622A1 Method of introducing an outstation into an optical network and outstation therefor |
| 12/24/2008 | EP2005621A1 Method and arrangement for polarization mode dispersion mitigation |
| 12/24/2008 | EP1610475B1 Optical transmission path failure detection system |
| 12/24/2008 | EP1269233B1 Dispersion slope compensating optical waveguide fiber |
| 12/24/2008 | EP1037561A4 Smart recognition apparatus and method |
| 12/24/2008 | DE102007015628B4 Verfahren und Einrichtung zur Überwachung einer Datenübertragungsstrecke, insbesondere einer optischen bidirektionalen Datenübertragungsstrecke Method and apparatus for monitoring a data transmission path, especially an optical bidirectional data transmission path |
| 12/24/2008 | CN201171202Y Improved structure of optical fibre signal module |
| 12/24/2008 | CN101331699A Method and device for digitising electrical signal |
| 12/24/2008 | CN101331696A Method, equipment and data carrier for compensating channel loss of multi-channel signal in optical link or optical network |
| 12/24/2008 | CN101330765A PON burst mode receiver with fast decision threshold setting |
| 12/24/2008 | CN101330485A Optical identification as well as method and device for modulating and demodulating the same |
| 12/24/2008 | CN101330470A Service gradation management method for automatic exchange optical network |
| 12/24/2008 | CN101330450A Method, system and equipment for distributing bandwidth of optical network |
| 12/24/2008 | CN101330344A Method for protecting sub-path when single link is fault in a WDM network |
| 12/24/2008 | CN101330343A Synchronization method for rearrange state of net element internal cross unit |
| 12/24/2008 | CN101330330A Free-space optical communication device |
| 12/24/2008 | CN101330329A Self-adapting testing method and system |
| 12/24/2008 | CN101330328A Method and apparatus for implementing multi-speed optical interface |
| 12/24/2008 | CN101330327A 光收发机 Optical transceiver |
| 12/24/2008 | CN101330326A Digital circuit for implementing audio data optical transmission using CPLD and method thereof |
| 12/24/2008 | CN101329428A Electronic coding transmitting device and receiving apparatus as well as optical cable electronic coding identification system |
| 12/24/2008 | CN100446482C Optical fiber communication network route signal processor based on FPGA and using method |
| 12/24/2008 | CN100446481C Method and apparatus for detecting optical fiber link in router |
| 12/24/2008 | CN100446472C Method for returning service route |
| 12/24/2008 | CN100446447C Film filter |
| 12/24/2008 | CN100446445C Apparatus and method for optical communication protection |
| 12/24/2008 | CN100446443C Optical burst-mode receiver |
| 12/24/2008 | CN100446442C Laser receiving and echo device |
| 12/24/2008 | CN100446414C High-frequency amplifier |
| 12/24/2008 | CN100445784C Compact optical sub-assembly with ceramic package |
| 12/24/2008 | CN100445697C Cavity length demodulating algorithm of fibre-optical F-P sensor |
| 12/23/2008 | US7469106 Reference phase and amplitude estimation for coherent optical receiver |
| 12/23/2008 | US7469105 Optical fiber communications method and system without a remote electrical power supply |
| 12/23/2008 | US7469104 COTDR arrangement for an undersea optical transmission system comprising multiple cable stations and multiple transmission segments |
| 12/23/2008 | US7469101 Optoelectronic marker for determining ownership of fiber optic cable |
| 12/23/2008 | US7469089 Light receiving apparatus |
| 12/23/2008 | US7469080 Modular all-optical cross-connect |
| 12/23/2008 | US7468944 Path fault recovery method, switching-back method after recovery from fault, and node using the same |
| 12/23/2008 | US7468832 Method and system for coherent beam combining using an integrated diffractive beam combiner and sampler |
| 12/23/2008 | US7468827 Device for generating adding and subtracting digital sequences of optical pulses and method for secure transmission of information |
| 12/23/2008 | CA2388316C Optical fibre transmission system using rz pulses |
| 12/18/2008 | WO2008153470A1 Optical link |
| 12/18/2008 | WO2008151384A1 Optical signal to noise monitor |
| 12/18/2008 | WO2008151370A1 High frequency optical processing |
| 12/18/2008 | US20080311857 Receiver, transmitter, communication system, method for controlling receiver, and communication method |
| 12/18/2008 | US20080310861 PON Burst Mode Receiver with Fast Decision Threshold Setting |
| 12/18/2008 | US20080310860 Method and Apparatus for Decision Threshold Control In An Optical Signal Receiver |
| 12/18/2008 | US20080310859 Optical pulse amplication apparatus and method |
| 12/18/2008 | US20080310858 Apparatus and method of optical compensation for submarine optical cable |
| 12/18/2008 | US20080310857 Optical space transmission method and optical space transmission apparatus |
| 12/18/2008 | US20080310856 Method and Device for Readjusting a Polarization Drift |
| 12/18/2008 | US20080310855 Optical Transmission Equipment and Method for Controlling Thereof |
| 12/18/2008 | US20080310853 Optical bi-directional transceiver module |
| 12/18/2008 | US20080310852 Misalignment tolerant free space optical transceiver |
| 12/18/2008 | US20080310851 Optical transceiver with reduced peak power consumption and a method to reduce peak power consumption |
| 12/18/2008 | US20080310850 Led light communication system |
| 12/18/2008 | US20080310849 Frequency modulated burst mode optical system |
| 12/18/2008 | US20080310848 Combined optical and electrical transmission assembly and module |
| 12/18/2008 | US20080310847 Optical frequency division multiplexed communications over the horizon |
| 12/18/2008 | US20080310846 Frequency modulated burst mode transmitter |
| 12/18/2008 | US20080310845 High brightness light source using light emitting devices of different wavelengths and wavelength conversion |
| 12/18/2008 | US20080310841 Long-Reach Wavelength Division Multiplexing Passive Optical Network (Wdm-Pon) |
| 12/18/2008 | US20080310840 Optical Communication Network and Method of Routing in the Network |
| 12/18/2008 | US20080310838 Independent upstream/downstream bandwidth allocations in a common hybrid telecommunications network |
| 12/18/2008 | US20080310837 Passive Optical Test Termination |
| 12/18/2008 | US20080310836 Manufacturing System and Method Using IR Communications Link |
| 12/18/2008 | US20080310835 System for validating installation of optical network devices |
| 12/18/2008 | US20080310464 Device for Generating and Modulating a High-Frequency Signal |
| 12/18/2008 | DE102007028208A1 Network, particularly optical network for data transmission, has electrical and optical star coupler with multiple electrical and optical terminals and terminal of optical star coupler is coupled with terminal of electrical star coupler |
| 12/18/2008 | DE102007027166A1 Data transmission device for use in bus system, particularly for optical free space transmission, has optoelectronic signal converter, which transmits signals unidirectionally between two end positions |
| 12/18/2008 | DE102004064081B4 Gehäuse für einen optischen Empfänger Housing for an optical receiver |
| 12/17/2008 | EP2003805A2 Wavelength multiplex transmission apparatus, control method and control program |
| 12/17/2008 | EP2003798A2 Method for feeding an optical sum signal to an optical amplifier, optical amplifier device, tree-shaped optical network and central station |
| 12/17/2008 | EP2003797A1 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them |
| 12/17/2008 | EP2003796A1 Method and device for readjusting a polarisation drift |
| 12/17/2008 | EP2003774A1 Variable gain constant bandwidth trans-impedance amplifier for fiber optic rate sensor |
| 12/17/2008 | EP2003486A2 Differential four-phase shift modulator and method for controlling phase shift amount thereof |
| 12/17/2008 | EP2002576A2 Detecting and minimizing effects of optical network faults |
| 12/17/2008 | EP2002575A1 Maximum likelihood sequence estimation in optical fibre communication systems |
| 12/17/2008 | EP2002574A1 A depolarised wdm source |
| 12/17/2008 | EP2002573A2 Optical switching architectures for nodes in wdm mesh and ring networks |
| 12/17/2008 | EP2002572A2 Single fiber links for full duplex aircraft data network |