Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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)
05/2003
05/08/2003US20030087616 Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system
05/08/2003US20030087610 Foldable cellular phone set
05/08/2003US20030087505 Method and apparatus for adapting a miniature form-factor connector to a standard format fiber optic connector plug
05/08/2003US20030086713 Chirp measurememt method, chirp measurement apparatus and their application
05/08/2003US20030086647 Devices and applications based on tunable wave-guiding bragg gratings with nonlinear group delays
05/08/2003US20030086645 Method and system for generating narrow optical pulses
05/08/2003US20030086638 Optical all-pass filter with gain compensation
05/08/2003US20030086457 Ultra-linear laser drive circuit with feedback loop
05/08/2003US20030086450 Light emission methods and light emission devices
05/08/2003US20030086168 Highly tunable dispersion compensator
05/08/2003US20030086152 Single parameter gain slope adjuster for an optical system
05/08/2003US20030086144 Compensating polarization mode dispersion in fiber optic transmission systems
05/08/2003US20030086140 Method and system for processing downstream packets of an optical network
05/08/2003US20030086139 Optical system and method
05/07/2003EP1309123A2 Ultrahigh-speed clock extraction circuit for optical signals
05/07/2003EP1309119A2 A branching unit
05/07/2003EP1309118A1 Wavelength division multiplexing optical fibre network
05/07/2003EP1309115A2 Chirp measurement method
05/07/2003EP1309114A2 Equalization of optical signals
05/07/2003EP1309113A2 Optical transmission link including raman amplifier
05/07/2003EP1309111A1 Method of and device for performing bi-directional transmission using a single-wire
05/07/2003EP1309110A1 Method and system for generating narrow optical pulses
05/07/2003EP1309109A2 Apparatus and method for monitoring an optical transmission line
05/07/2003EP1309108A1 Optical transceiver with automatic power shut-down arrangement
05/07/2003EP1309097A1 Transmission line loss testing method, slave station using the method, master station, and communication system
05/07/2003EP1308804A1 Control loop apparatus and method thereof
05/07/2003EP1308769A2 Optical transmission device
05/07/2003EP1307984A1 Optical add drop and dispersion compensation apparatus
05/07/2003EP1307983A1 Multi-channel optical receiver for processing tri-cell polarization diversity detector outputs
05/07/2003EP1307982A2 Smart connect
05/07/2003EP1307780A2 Optical domain optical signal sampling device
05/07/2003EP1197014A4 Device and method for determining pmd independent of sop
05/07/2003CN2549480Y 光学元件 Optics
05/07/2003CN1416625A Wireless digital high speed communications
05/07/2003CN1416236A Function integration type reconfigurable optical add/drop multiplexing module
05/07/2003CN1416229A Opthical fiber transferring system, Raman gain gradien measuring device and measuring method
05/07/2003CN1416008A Optical fiber type variable optical attenuator
05/07/2003CN1415997A Scoustoelectric light modulator of optical fiber for body wave
05/07/2003CN1415990A Light transmission device
05/07/2003CN1415988A Hub of multimode optical fiber in reflection type
05/07/2003CN1415981A Method for preparing optical fiber grating with freely cutting any toe part as well as the system
05/07/2003CN1108036C Cellutar communicating system and method for transmitting information via feederlinks
05/06/2003US6560386 Tunable optical add/drop multiplexer
05/06/2003US6560267 Solid-state laser and optical transmitter
05/06/2003US6560021 Variable optical wavelength filter
05/06/2003US6560008 Controlling apparatus and controlling method for wavelength division multiplexing optical amplifier
05/06/2003US6560007 Bit-phase synchronized optical pulse stream local generator
05/06/2003US6559997 Optical transmitter and optical transmitting apparatus using the same
05/06/2003US6559996 Optical transmission system
05/06/2003US6559995 Optical transmission method and optical transmitter with temperature compensation function
05/06/2003US6559994 Optical fiber transmitter for long distance subcarrier multiplexed lightwave systems
05/06/2003US6559993 Optical router for a light-based communication network
05/06/2003US6559991 Polarization mode dispersion compensation
05/06/2003US6559990 Optical delay circuit having optical loop for repeatedly introducing delay time between input data and output data and method used therein
05/06/2003US6559988 Optical wavelength add/drop multiplexer for dual signal transmission rates
05/06/2003US6559987 Flexible optical network architecture
05/06/2003US6559986 Method for converting the signal modulation of channels of an optical multiplex system to subcarrier frequencies
05/06/2003US6559985 Method and system for determining channel power in an optical communications network
05/06/2003US6559984 Apparatus for monitoring optical path based on the identification of optical cross-connect input ports
05/06/2003US6559943 Fiber optic system including digital controller for fiber optic tunable filter and associated methods
05/06/2003US6559760 Platform monitoring system
05/06/2003CA2106942C Optical communication system
05/02/2003EP1306990A2 Optical communication system with control of output level
05/02/2003EP1306989A2 Lossless optical splitter
05/02/2003EP1306988A2 Wavelength/band-specific optical amplifier
05/02/2003EP1306987A1 Spectrometer
05/02/2003EP1305903A1 Wavelength division multiplex (wdm) optical network
05/02/2003EP1305900A2 Optical transmission systems including optical amplifiers and methods of use therein
05/02/2003EP1305856A2 Raman fiber amplifier
05/02/2003EP1305658A2 Athermalization and pressure desensitization of diffraction grating based wdm devices
05/02/2003EP1057289B1 Method for transferring utility optical signals and optical-line network
05/02/2003EP0872049B1 Robust method and apparatus enabling multi-mode wireless optical communication
05/01/2003WO2003036880A1 High-speed intranet system
05/01/2003WO2003036834A1 Method and system for optical time division multiplexed fiber communications with coherent detection
05/01/2003WO2003036829A1 Data communication system, data transmitter and data receiver
05/01/2003WO2003036828A1 Method and arrangement for microwave signals transmission through a multimode fibre
05/01/2003WO2003036826A1 Spectrometer
05/01/2003WO2003003059A3 Optical system that improves spectrally distorted signals
05/01/2003WO2002097476A3 Point-to-multipoint passive optical network that utilizes variable-length packets and variable-length upstream tine slots
05/01/2003WO2002084888A3 Frequency comb analysis
05/01/2003WO2002080410A3 Optical transmission line
05/01/2003WO2002075975A3 Improvements in optical data receiver systems
05/01/2003WO2002075372A3 Integral differential optical signal receiver
05/01/2003WO2002075369A3 Modular all-optical cross-connect
05/01/2003WO2002071713A3 Compensation of distortion due to channel and to receiver, in a parallel transmission system
05/01/2003WO2002056506A3 Optical pulse regenerating transmission lines
05/01/2003WO2002042802A9 Optical polarization encoder
05/01/2003WO2002021172A3 Negative-dispersion optical fiber and optical transmission line incorporating the same
05/01/2003US20030083084 Communication network in particular for relephony
05/01/2003US20030083058 Cellular phone that exposes the user's brain to much less microwave radiation than ordinary cellular phones with the help of a proxy (intermediary) device
05/01/2003US20030081920 Optical fiber and optical signal transmission system using this optical fiber
05/01/2003US20030081919 Optical signal processing device, optical demultiplexer, wavelength converting device, optical signal processing method, and wavelength converting method
05/01/2003US20030081894 Optical filter and optical filtering method
05/01/2003US20030081893 Optical system and method
05/01/2003US20030081889 Optical communication link
05/01/2003US20030081880 Lossless optical splitter
05/01/2003US20030081638 Multi-wavelength semiconductor laser arrays and applications thereof
05/01/2003US20030081551 Monitoring equipment for optical digital communications
05/01/2003US20030081318 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
05/01/2003US20030081308 Optical system and method
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