| 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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| 12/31/2009 | US20090324230 Optical transmission system using four-wave mixing |
| 12/31/2009 | US20090324229 Optical transmission apparatus and control method therefor |
| 12/31/2009 | US20090324225 Method for maintaining the compatibility of legacy of receivers, optical distributing network structure, and parts thereof including a method for using such part |
| 12/31/2009 | US20090324222 Link Diversity and Load Balancing Across Digital and Optical Express-Thru Nodes |
| 12/31/2009 | US20090324219 Apparatus and method for improving the tolerance of tone-based optical channel monitoring to stimulated raman scattering |
| 12/31/2009 | US20090324218 Optical signal detection method, and light receiving apparatus using the same |
| 12/31/2009 | US20090324217 Method and apparatus for remote communication using the interpretation of thermoluminescence or photoluminescence signals |
| 12/31/2009 | US20090324216 Optical activation of one or more communication units in a survey system |
| 12/31/2009 | US20090324215 Active/standby switchover method and device of asynchronous backplane in transport network |
| 12/31/2009 | US20090324214 Method, Apparatus and System for Handling Fiber Line Fault |
| 12/31/2009 | US20090324167 Apparatus for transmitting optical signals between components which can be rotated relative to one another (rotary transmitter) |
| 12/31/2009 | US20090323955 Data transmitting apparatus and data receiving apparatus |
| 12/31/2009 | US20090323173 Light output control apparatus |
| 12/31/2009 | US20090322381 Light receiving circuit, light receiving method, and storage medium |
| 12/31/2009 | DE10351286B4 Infrarot-Kopfhörer/Hörhilfe Infrared headphone / hearing aid |
| 12/31/2009 | DE102008029013A1 Communication signal transmitter for use during communication between e.g. base station and satellite, has light guiding element and light beam shaping unit that are integrated with each other |
| 12/30/2009 | WO2009158382A1 High loss loop back for long repeater span |
| 12/30/2009 | WO2009157756A2 Method of preparation and unitary transformation of quantum states for quantum key distribution |
| 12/30/2009 | WO2009157753A2 A system for preparation and unitary transformation of quantum states for quantum key distribution |
| 12/30/2009 | WO2009157609A1 Optical backhaul network for wireless broadband service |
| 12/30/2009 | WO2009156063A1 Infrared receiver circuit |
| 12/30/2009 | WO2009134623A3 Method and apparatus for controlling the optical output power from a burst mode laser |
| 12/30/2009 | WO2009123869A3 Dispersion compensating varactor circuit |
| 12/30/2009 | WO2009108831A3 A tunable optical discriminator |
| 12/30/2009 | EP2139129A1 Method for reducing the non-linear phase noise in a phase-modulated optical signal with constant amplitude and associated device |
| 12/30/2009 | EP2139128A1 Wavelength multiplexed optical system with multimode optical fibres |
| 12/30/2009 | EP2139127A1 Transmission line monitoring system |
| 12/30/2009 | EP2139108A1 A method for signal amplification using a power amplifier system, a power ampifier system, a base station, a mobile station and a communication network therefor |
| 12/30/2009 | EP2137989A2 Modular wireless communications platform |
| 12/30/2009 | EP2137850A1 An optical communication system |
| 12/30/2009 | EP2137849A1 A system and method for long backhaul link extension in a passive optical network |
| 12/30/2009 | EP2137848A1 Optical signal amplifier, method of optical amplification and optical network |
| 12/30/2009 | EP2137847A1 Multi-mode integrated circuit for use in optoelectronic devices |
| 12/30/2009 | EP2137573A1 Generation of quantum-correlated and/or polarization-entangled photon pairs with unequal wavelengths |
| 12/30/2009 | EP2036226B1 Method and arrangement for switching a raman pump laser on and/or off |
| 12/30/2009 | EP1975693B1 Optical modulation device and method with changeable modulation format |
| 12/30/2009 | EP1641150B1 Optical signal quality supervisory device |
| 12/30/2009 | EP1368913B1 Optical data compression device and method |
| 12/30/2009 | CN201374715Y Switching structure and switching device based on optical fiber PCI-X bus communication |
| 12/30/2009 | CN201374711Y Optical fiber ring data optical transceiver |
| 12/30/2009 | CN201374710Y PCI-E external interface device from PCI-E bus communication to optical fiber communication |
| 12/30/2009 | CN201374709Y External interface device from optical fiber communication to PCI bus communication |
| 12/30/2009 | CN201374708Y External interface device from optical fiber communication to PCI-E bus communication |
| 12/30/2009 | CN201374707Y PCI external interface device from PCI bus communication to optical fiber communication |
| 12/30/2009 | CN201374706Y External interface device for converting PCI-X bus communication to optical fiber communication |
| 12/30/2009 | CN201374705Y External interface device for converting SATA bus communication to optical fiber communication |
| 12/30/2009 | CN201374704Y Novel jig used for optical transceiver module tests |
| 12/30/2009 | CN201373931Y Optical power controller |
| 12/30/2009 | CN101615957A Networking method for realizing integrated high-order ROADM |
| 12/30/2009 | CN101615956A ONU, method and system for optical power adjustment |
| 12/30/2009 | CN101615955A Illumination light receiver and illumination light communications system |
| 12/30/2009 | CN101615954A Method and equipment for protecting fiber in PON system |
| 12/30/2009 | CN101615953A 传输线路监控系统 Transmission line monitoring system |
| 12/30/2009 | CN101615952A Pluggable optical network unit and communication and monitoring method in optical network |
| 12/30/2009 | CN100576781C Simulator for laser link relative-corner movement between satellites |
| 12/30/2009 | CN100576051C Optical code division multiplex transmission method and optical code division multiplex transmission device |
| 12/30/2009 | CN100575999C Production method of frequency domain transmission function shape dynamic tuning optical spectrum wave filter |
| 12/29/2009 | US7639982 Point-to-multipoint digital radio frequency transport |
| 12/29/2009 | US7639955 Method and apparatus for transmitting a signal using a chirp managed laser (CML) and an optical spectrum reshaper (OSR) before an optical receiver |
| 12/29/2009 | US7639954 Driver for an optical transmitter |
| 12/29/2009 | US7639953 Compact systems for generating polarization-entangled photons |
| 12/29/2009 | US7639952 Calculation of laser slope efficiency in an optical transceiver module |
| 12/29/2009 | US7639950 Communications system |
| 12/29/2009 | US7639949 TDM PON and dynamic bandwidth allocation method thereof |
| 12/29/2009 | US7639948 System and method for wave vector multiplexed laser communication |
| 12/29/2009 | US7639947 System and methods for quantum key distribution over WDM links |
| 12/29/2009 | US7639909 Method and apparatus for spatial domain multiplexing in optical fiber communications |
| 12/29/2009 | US7639902 Microwave photonic frequency domain reflectometer |
| 12/29/2009 | US7637672 Pluggable optical tranceiver module having effective thermal release function |
| 12/24/2009 | US20090317094 Maximum Likelihood Sequence Estimation in Optical Fibre Communication Systems |
| 12/24/2009 | US20090317093 Dpsk optical receiver |
| 12/24/2009 | US20090317092 Optical receiving apparatus and digital receiving circuit |
| 12/24/2009 | US20090317091 Laser transmitting at automatically varying wavelengths, network interface unit and system including the laser, and method of automatically varying the wavelength of a laser |
| 12/24/2009 | US20090317090 Multichannel Optical Transport Network Skew Control |
| 12/24/2009 | US20090317089 Distributable Quantum Relay Architecture |
| 12/24/2009 | US20090317088 Optical space transfer apparatus using image sensor |
| 12/24/2009 | US20090317087 Configurable control for network device operation |
| 12/24/2009 | US20090317086 Optical transceiver module and method of controlling optical transceiver module |
| 12/24/2009 | US20090317080 Method and arrangements for improving signal quality |
| 12/24/2009 | US20090317079 Dispersion determining apparatus and automatic dispersion compensating system using the same |
| 12/24/2009 | US20090317078 Optical transmission device and optical transmission method |
| 12/24/2009 | US20090317077 Method for determining the optical signal-to-noise ratio and receiver device for an optical transmission system |
| 12/24/2009 | US20090317076 Wdm transmission apparatus |
| 12/24/2009 | US20090317075 Optical Balanced Receiver and IQ Receiver with Balanced Compensation |
| 12/24/2009 | US20090317073 Systems and methods for ethernet extension and demarcation |
| 12/24/2009 | US20090317034 Optical pulse time spreading device for spreading light pulse over time axis |
| 12/24/2009 | US20090316816 Method for multiple use subchannels |
| 12/24/2009 | US20090316741 Temperature control apparatus and optical transmission device using same |
| 12/24/2009 | DE102009023301A1 Steuervorrichtung mit einer Erkennungsschaltung für die Schädigung eines seriellen Datensignals Control device with a recognition circuit for the deterioration of a serial data signal |
| 12/24/2009 | DE102008029620A1 Infrarot-Empfängerschaltung Infrared receiver circuit |
| 12/23/2009 | WO2009155487A1 Methods and systems for distributing fiber optic telecommunications services to local area |
| 12/23/2009 | WO2009154592A1 Optical broadcast systems and methods |
| 12/23/2009 | WO2009154329A1 Connection structure of remote spectrometer |
| 12/23/2009 | WO2009152834A1 Transmitter disabling device |
| 12/23/2009 | WO2009152758A1 Method and equipment for transmitting the uplink burst data in the passive optical network system |
| 12/23/2009 | WO2009152705A1 Method and device for generating optical signal |
| 12/23/2009 | WO2009152658A1 Tunable laser module and controlling method thereof |
| 12/23/2009 | WO2009152611A1 Multifaceted segmented waveguide structure for planar waveguide devices |
| 12/23/2009 | WO2009114738A3 Digital radio-frequency tranceiver system and method |
| 12/23/2009 | EP2136487A1 Optical receiving apparatus and digital receiving circuit |