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)
12/2007
12/05/2007	CN100353254C Optical switch and optical waveform monitoring device utilizing optical switch
12/05/2007	CN100353197C Wavelength converter for 650nm plastic optical fiber transmission system
12/04/2007	US7305191 Optical correlator system and supporting method and apparatus
12/04/2007	US7305190 Optical dispersion correction in transimpedance amplifiers
12/04/2007	US7305189 Phase modulation for an optical transmission system
12/04/2007	US7305188 Wavelength demultiplexing unit
12/04/2007	US7305187 Optical communications system
12/04/2007	US7305186 Method and apparatus for scheduling communication using a star switching fabric
12/04/2007	US7305185 Device for integrating demultiplexing and optical channel monitoring
12/04/2007	US7305184 Method and system for management of directly connected optical components
12/04/2007	US7305183 Measurement of polarization dependent loss in an optical transmission system
12/04/2007	US7305091 Quantum cipher communication system
12/04/2007	US7304725 Optical time domain reflectometry
12/04/2007	US7304594 Transmitting and receiving device and transmitting device and receiving device
12/04/2007	US7304314 Quantum cross-ambiguity function generator
12/04/2007	US7303339 Optical beam transformer module for light coupling between a fiber array and a photonic chip and the method of making the same
12/04/2007	CA2439783C Improvements in or relating to communication systems
12/04/2007	CA2437705C Agile multi-beam free-space optical communication apparatus
12/04/2007	CA2410064C Optical dynamic burst switch
12/04/2007	CA2379483C Optical regenerator for high bit-rate otdm signals
12/04/2007	CA2376727C Optical sampling waveform measuring apparatus aiming at achieving wider band
12/04/2007	CA2290613C Communications system
12/04/2007	CA2278525C Hybrid universal broadband telecommunications using small radio cells interconnected by free-space optical links
11/2007
11/30/2007	CA2548717A1 Master/slave multiple path optical switching device
11/29/2007	WO2007135858A1 Optical communication system, station side device, and subscriber side device
11/29/2007	WO2007135407A1 A method and apparatus for combining electrical signals
11/29/2007	WO2007135150A1 Pre-conditioning method for an amplifier gain control and corresponding optical access network, central station and terminal
11/29/2007	WO2007135129A1 Method and system for optical transmission signal level configuration
11/29/2007	WO2007135014A1 Method and arrangement for transmission of data with at least two radiation sources
11/29/2007	WO2007134520A1 A method for maintaining the passive optical network, an optical network element and an optical line terminal
11/29/2007	WO2006005981A3 Shared high-intensity broadband light source for wavelength-division multiple access passive optical network
11/29/2007	US20070277213 System and method for transmitting data on return path of a cable television system
11/29/2007	US20070275750 Position Data Communication Device
11/29/2007	US20070274733 Coherent optical detector and coherent communication system and method
11/29/2007	US20070274732 Optical Modulation Converter and Method for Converting the Modulation Format of an Optical Signal
11/29/2007	US20070274731 Method and Apparatus for Optical Phase Modulation
11/29/2007	US20070274730 Onu And Method For Converting/Combining Frequency, And Apparatus And Method For Converting/Combining Frequency In Catv Headend System
11/29/2007	US20070274729 Shared High-Intensity Broadband Light Source for a Wavelength-Division Multiple Access Passive Optical Network
11/29/2007	US20070274728 Optical communication system and method using optical channels with pair-wise orthogonal relationship
11/29/2007	US20070274727 Communications System and Leaky Optical Fiber
11/29/2007	US20070274725 Optical transmission apparatus
11/29/2007	US20070274723 Optical network and amplifier node therefore
11/29/2007	US20070274721 N-way broadcast / narrowcast combiner
11/29/2007	US20070274716 Methods and apparatus to provide local warning of a low battery condition from an optical network terminal
11/29/2007	US20070274713 System and method for subcarrier modulation as supervisory channel
11/29/2007	US20070274712 Method for detecting and localizing faults in an optical transmission path, and optical transmission system
11/29/2007	US20070274627 Cable segment for communication infrastructure
11/29/2007	US20070274202 Forward-looking tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing
11/29/2007	US20070274200 Remote band scanning in multipoint-to-point orthogonal frequency division mulitiplexing communication
11/29/2007	US20070273963 Fiber optic link gain control
11/29/2007	US20070273962 Low loss fiber optic link using an optical amplifier
11/29/2007	US20070273961 Light Pulse Amplification In Long Optical Fibers
11/29/2007	US20070273960 In-line, high energy fiber chirped pulse amplification system
11/29/2007	US20070272862 Method and Device for Remotely Communicating Using Photoluminescence or Thermoluminescence
11/29/2007	DE19646283B4 Empfangsschaltung für über einen Lichtwellenleiter übertragene Lichtsignale, Verwendung der Empfangsschaltung sowie Kommunikationssystem mit mehreren Teilnehmern Receiving circuit for transmitted via an optical waveguide light signals, using the receiving circuit, and communication system with a plurality of subscribers
11/29/2007	DE10305171B4 Bidirektionales optisches Sende- und Empfangsmodul Bi-directional optical transmitter and receiver module
11/28/2007	EP1860804A1 Pre-conditioning method for an amplifier gain control, optical access network, central station and terminal
11/28/2007	EP1860803A1 Method and system for optical transmission signal level configuration
11/28/2007	EP1860802A1 Method of recovering data from an optical signal in APOL modulation format, receiver and optical transmission system
11/28/2007	EP1860801A1 Illumination light communication device
11/28/2007	EP1860800A1 Illumination light communication device
11/28/2007	EP1860799A1 Illumination light communication device
11/28/2007	EP1859593A1 All-fiber phase controlled delay interferometer and method of making the same
11/28/2007	EP1859559A1 Adaptive pulse shape control
11/28/2007	EP1859550A1 Method and device for forming a transmitter-side transmission signal
11/28/2007	EP1609256B9 Optical device, especially for the suppression of a rayleigh double backscattered noise and system comprising said device
11/28/2007	EP1454208A4 Hand held remote control device having an improved user interface
11/28/2007	CN200983592Y Wave division multiplexing passive optical network system
11/28/2007	CN200983591Y Optical access system of multi-service optical end
11/28/2007	CN200983505Y Remote optical communication power supply device based on feedback optical cable
11/28/2007	CN200983021Y Unlock device of light receiving and sending module
11/28/2007	CN101080885A A detection arrangement
11/28/2007	CN101080884A Assessing a network
11/28/2007	CN101080857A System and method for optically powering a remote network component
11/28/2007	CN101080660A Integrated optical multiplexer and demultiplexer
11/28/2007	CN101079782A Wind site communication network using dual loop redundancy
11/28/2007	CN101079679A Optical multiplex communication system and delay quantity adjustment method
11/28/2007	CN101079673A Wave division and time division passive optical network
11/28/2007	CN101079672A Method as a pre-condition for a gain control, optical access network, central station and terminal
11/28/2007	CN101079671A Method and system for optical transmission signal level configuration
11/28/2007	CN101079670A Millimeter wave generation and modulation system and method of millimeter wave optical fiber optical fiber transmission system
11/28/2007	CN101079669A Application method of optical fiber information transmission technology in instrument design
11/28/2007	CN101079668A Device, method and device for positioning the optical fiber failure
11/28/2007	CN101079667A A processing method for performance of high-density integration chip
11/28/2007	CN101078933A Plastic optical fiber network for electronic cotrol units and power electronics in by-wire vehicles
11/28/2007	CN100352187C Wavelength converter and optical cross-connect system using the same
11/28/2007	CN100352166C A quick bit synchronous circuit
11/28/2007	CN100352113C Optical amplifiers
11/27/2007	US7302194 Optical filter and transmission system incorporating an optical filter
11/27/2007	US7302193 Optical receiver
11/27/2007	US7302192 Methods of spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels
11/27/2007	US7302191 Optical transmitter with tap type optical filters
11/27/2007	US7302190 Optical communication system including replaceable electro-optic and opto-electric converters
11/27/2007	US7302188 Disperse equalizer and disperse equalizing method
11/27/2007	US7302187 Minimum transmitted photon quantum optical communications system
11/27/2007	US7302186 Optical transceiver and host adapter with memory mapped monitoring circuitry
11/27/2007	US7302185 Device and method for millimeter wave detection and block conversion
11/27/2007	US7302183 Gain tilt compensators and their systems
11/27/2007	US7302182 Methods and apparatus for sensing multiple wavelengths simultaneously in a single wavelength sensing device
11/27/2007	US7302181 Single lens multiple light source device

1 ... 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 ... 732