Patents
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)
04/2007
04/26/2007WO2007047862A2 A system, a tool and a method for communicating with a faulted circuit indicator using a remote display
04/26/2007WO2007046135A1 In-unit optical transmission device
04/26/2007WO2007045937A1 Security in wireless environments using out-of-band channel communication
04/26/2007WO2007045883A1 Method and system for synchronising an optical transmitter with an optical modulator
04/26/2007WO2007045872A1 Method of providing duplex optical communications and optical modulator therefor
04/26/2007WO2007045072A1 Polarization compensation in a coherent optical receiver
04/26/2007WO2007045071A1 Clock recovery from an optical signal received through an optical communications network
04/26/2007WO2007045070A1 Efficient data transmission and training of data processing functions
04/26/2007WO2007005932A3 3d pointing devices
04/26/2007WO2007003590A3 Method for transmitting a data signal and optical communication system with dispersion precompensation
04/26/2007WO2006122112A3 Method and apparatus for identifying pump failures using an optical line interface
04/26/2007WO2006096751A3 High speed sfp transceiver
04/26/2007WO2006057655A3 All-fiber chirped pulse amplification systems
04/26/2007WO2006031014A9 Optical transmission system using ossb-modulation and signal transmission method
04/26/2007WO2006023030A3 Method and system for powerline networking
04/26/2007WO2006001903A3 System and method for capacity allocation in hfc catv networks
04/26/2007WO2005117306A9 Method and device for remotely communicating by using photoluminescence or thermoluminescence
04/26/2007WO2005103798A3 Photonic microwave amplifier
04/26/2007WO2005076883A3 Integrated optical multiplexer and demultiplexer
04/26/2007US20070092266 Method and apparatus for controlling bias point of optical transmitter
04/26/2007US20070092265 Multilevel pulse position modulation for efficient fiber optic communication
04/26/2007US20070092264 Visible light control apparatus, visible light control circuit, visible light communication apparatus, and visible light control method
04/26/2007US20070092263 Method, apparatus and system for high-speed transmission on fiber optic channel
04/26/2007US20070092262 Adaptive optical transmitter for use with externally modulated lasers
04/26/2007US20070092261 Bit error rate based system and method for optimizing communication system performance
04/26/2007US20070092260 Efficient data transmission and training of data processing functions
04/26/2007US20070092259 Polarization compensation in a coherent optical receiver
04/26/2007US20070092258 Authentication modes for an optical transceiver module
04/26/2007US20070092257 Optical interface for communicating optical transceiver status information
04/26/2007US20070092256 WDM type passive optical network
04/26/2007US20070092198 Method and System for Automated Simulation of Cable Failure in a Network
04/26/2007US20070092190 Chromatic dispersion-compensating optical fibre in the s-band using a higher order mode
04/26/2007US20070092185 Optical connection structure between optical backplane and circuit substrate
04/26/2007US20070092037 Method and apparatus for controlling the decision point of a receiver for digital communication signals
04/26/2007US20070091516 Electronic device, transmission system, and method for determining connection condition
04/26/2007US20070091310 Adaptive polarization adjustment apparatus for controlling polarization of light inputed to polarization-maintaining waveguide components
04/26/2007DE19623634B4 Optische Vorrichtung und Verfahren zur Regeneration eines nach dem RZ-Format modulierten optischen Signals Optical apparatus and method for regenerating a modulated by the RZ-format optical signal
04/26/2007DE102005051571A1 Photodioden-Chip hoher Grenzfrequenz Photodiode chip high cut-off frequency
04/25/2007EP1777960A1 Optical signal receiver
04/25/2007EP1777846A1 Method and apparatus for controlling the decision point of a receiver for digital communication signals
04/25/2007EP1777845A1 Service protecting method for optical transmission network and node device
04/25/2007EP1777844A1 Communication system by multiuser optical link, multiuser terminal and communication method therefor
04/25/2007EP1776792A2 System and method for spectral loading an optical transmission system
04/25/2007EP1776788A2 Dispersion management in optical networks using a differential phase shift keying modulation format
04/25/2007EP1776787A1 An optical receiver and an optical transmission system incorporating the same
04/25/2007EP1776786A1 Pulse electrically programmable generator, in particular a phase profiles and a very high-resolution intensity generator
04/25/2007EP1776785A1 Device for producing and modulating a high frequency signal
04/25/2007EP1776784A2 Phase responsive optical fiber sensor
04/25/2007EP1776783A1 Transimpedance amplifier with integrated filtering and reduced parasitic capacitance
04/25/2007EP1776608A2 Bias-control for optical mach-zehnder modulators with voltage-induced optical absorption
04/25/2007EP1516434A4 Ultra-wideband communication through a wire network
04/25/2007EP1346249B1 Optical tapped delay line
04/25/2007EP1303931B1 Polarization diversity detector mask selection algorithm
04/25/2007EP0933005A4 Contention free global interconnection
04/25/2007CN2894103Y Mobile communication multi-system trunk amplification communication device
04/25/2007CN2893723Y Tail fiber type light isolator
04/25/2007CN1954541A Laser autocalibration for QKD systems
04/25/2007CN1954525A Gain-flattening apparatus and methods and optical amplifiers employing same
04/25/2007CN1953397A A method to establish soft permanent connection in intelligent optical network
04/25/2007CN1953355A Send/receive module of optical communication and its correction method
04/25/2007CN1953354A Transmission management system for traffic information by passive optical network of linear topology
04/25/2007CN1953353A A distribution method of dynamic bandwidth based on multiple-grade service in the gigabit passive optical network
04/25/2007CN1312867C Polarisation mode dispersion compensator and self-adapting regulation method thereof
04/25/2007CN1312866C Optical linearizer for fiber communication
04/25/2007CN1312865C FTTH system for broadcast/communication convergence using IEEE 1394
04/25/2007CN1312864C Optical fibre connecting device
04/25/2007CN1312863C Recoverable path selecting set-up method of automatic exchanging optical network
04/25/2007CN1312862C Optical transmitter apparatus
04/25/2007CA2557069A1 Dual optical switch
04/24/2007US7209704 Wireless headphone apparatus and wireless headphone system
04/24/2007US7209671 Multiple detector decision receiver
04/24/2007US7209670 Polarization diversity receiver for optical transmission system
04/24/2007US7209669 Method and apparatus for synchronizing a pulse carver and a data modulator for optical telecommunication
04/24/2007US7209668 Data transmission apparatus, photoelectric conversion circuit and test apparatus
04/24/2007US7209667 Methods of connecting and testing interfaces for CWDM fiber-optic systems
04/24/2007US7209666 Optical clock recovery device for recovering the clock from an optical signal
04/24/2007US7209665 Control concept for a multistage polarization mode dispersion compensator
04/24/2007US7209664 Frequency agile transmitter and receiver architecture for DWDM systems
04/24/2007US7209663 Apparatus and method for repeating signal by using wireless optical transmission
04/24/2007US7209662 Wavelength multiplex transmission device
04/24/2007US7209661 Wavelength multiplexing method and an apparatus thereof
04/24/2007US7209660 Optical communications using heterodyne detection
04/24/2007US7209658 Time division multiplex and wavelength division multiplex optical switching node
04/24/2007US7209656 Management of optical links using power level information
04/24/2007US7209655 Sharing of power level information to support optical communications
04/24/2007US7209654 Optical transmission system
04/24/2007US7209611 Transmitter photonic integrated circuit (TxPIC) chips utilizing compact wavelength selective combiners/decombiners
04/24/2007US7209609 Light source apparatus for WDM optical communication and optical communication system
04/24/2007US7209501 Multi-wavelength laser source based on two optical laser beat signal and method
04/24/2007US7209436 Method and apparatus for variable rate pipes
04/24/2007US7208888 Light-emitting diode lighting device comprising a communication device and installation comprising one such device
04/24/2007CA2238449C Equalisation, pulse shaping and regeneration of optical signals
04/19/2007WO2007044528A1 Apparatus for modulating one or both of spectral phase and amplitude of an optical signal
04/19/2007WO2007044521A1 Optical demodulating apparatus and method
04/19/2007WO2007044247A2 Multimode distance extension
04/19/2007WO2007043121A1 Optical signal transmission control device and optical signal transmission control method
04/19/2007WO2007043038A1 Optical routing and transport accelerator (orta)
04/19/2007WO2007043032A1 Communication systems
04/19/2007WO2007042820A1 Repeater surge coil and diode chain design
04/19/2007WO2007041808A1 Method and apparatus for sampled optical signal monitoring