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)
04/2003
04/23/2003EP0721710B1 Optical signal-regenerating unit and transmission system comprising such a unit
04/23/2003CN2547070Y Communication processing apparatus
04/23/2003CN2546913Y Double-reflection optical attenuator
04/23/2003CN2546898Y Potoswitch
04/23/2003CN2546895Y Photoswitch
04/23/2003CN2546894Y Mechanical photoswitch
04/23/2003CN2546893Y Photoswitch apparatus
04/23/2003CN2546891Y Reflective photoswitch
04/23/2003CN1413308A Wraparound optical switch matrix
04/23/2003CN1412969A Wavelength-division multiplex device and wavelength-division multiplex system
04/23/2003CN1412967A Two-way optical fiber dispersion compensation device
04/23/2003CN1412966A Optical fiber dispersion compensation method and its device
04/23/2003CN1412960A Light receiving and emitting device
04/23/2003CN1412959A Light receiving and emitting module group
04/23/2003CN1412616A Raman gain real time kinetic control and compensation method and its Raman optical-fibre amplifier
04/23/2003CN1412044A Optical communication multifunctional vehicle
04/23/2003CN1106719C 数据传输系统 The data transmission system
04/23/2003CN1106692C Photosensor
04/22/2003US6553159 Method and system for controlling the output of an optical pump energy source
04/22/2003US6553043 Overcoming L-I kink effects in a laser diode feedback control
04/22/2003US6552856 Multi-channel wavelength locker using gas tuning
04/22/2003US6552838 LiNbO3 Mach-Zehnder modulator with low drive voltage requirement and adjustable chirp
04/22/2003US6552836 High performance polarization controller and polarization sensor
04/22/2003US6552834 Methods and apparatus for preventing deadbands in an optical communication system
04/22/2003US6552833 Programmable optical add/drop multiplexer
04/22/2003US6552782 Apparatus and method for generation of optical signals
04/22/2003US6552624 Method for controlling the operating range of a modulator, and an associated drive unit
04/22/2003US6552366 Optical transmitting and receiving device and the manufacturing method
04/22/2003CA2314853C Optical wavelength-space cross-connect switch architecture
04/22/2003CA2097411C Remote controller and method for assigning to signals priority based on type and manufacturer of equipment
04/22/2003CA2096423C Optical device
04/22/2003CA2084077C Fiber optics system
04/17/2003WO2003032549A2 Digital optical network architecture
04/17/2003WO2003032548A1 Channel identification in communications networks
04/17/2003WO2003032547A2 Transmitter photonic integrated circuit
04/17/2003WO2003032536A2 Method for consolidation of services and equipment using spectrally efficient transport
04/17/2003WO2003032535A2 Long distance optical transmission system for high dynamic range signals
04/17/2003WO2003032534A2 Dynamic optical spectral control scheme for optical amplifier sites
04/17/2003WO2003032533A2 Optical amplifier control in wdm communications systems
04/17/2003WO2003032532A1 Optical signal transmission
04/17/2003WO2003032531A2 Fiber optic conversion system and method
04/17/2003WO2003032530A1 Optical communication apparatus and system
04/17/2003WO2003032529A1 Data transmitter, photoelectric transducer circuit, and test instrument
04/17/2003WO2003032491A1 Reduction of ringing and inter-symbol interference in optical communications
04/17/2003WO2003032272A1 Method of operating a remote control system and a remote control system comprising an rf transmission and receiving system
04/17/2003WO2003032040A1 Dispersion slope compensating optical fiber
04/17/2003WO2003032036A2 TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) CHIP WITH ENHANCED POWER AND YIELD WITHOUT ON-CHIP AMPLIFICATION
04/17/2003WO2003032021A2 TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPIC) AND OPTICAL TRANSPORT NETWORKS EMPLOYING TxPICs
04/17/2003WO2003032019A2 High reliability optical amplification
04/17/2003WO2003031998A2 Optical fiber interface for integrated circuit test system
04/17/2003WO2002021173A3 Dispersion for slope compensating fibers
04/17/2003WO2002011339A3 Multiplexer, demultiplexer and add/drop multiplexer for single mode optical fiber communication links
04/17/2003US20030073131 Nucleotide sequences coding polypeptide for use in the treatment of cell proliferative and nervous system disorders
04/17/2003US20030072745 Secreted and transmembrane polypeptides and nucleic acids encoding the same
04/17/2003US20030072532 Dispersion compensation
04/17/2003US20030072521 Optical switch using multimode interferometer, and optical demultiplexer
04/17/2003US20030072517 System for compensating for distortions in optical signals
04/17/2003US20030072513 Control concept for a multistage polarization mode dispersion compensator
04/17/2003US20030072339 High speed switching driver
04/17/2003US20030072333 NRZ to RZ conversion in mode-locked laser using wavelength locked loops
04/17/2003US20030072074 Method and apparatus for controlling raman amplification with a plurality of excitation light pulses which have a plurality of different wavelengths and are spaced with predetermined intervals
04/17/2003US20030072064 Supervisory controlling method and supervisory controlling system of optical repeater
04/17/2003US20030072063 High density optical packaging
04/17/2003US20030072062 High power repeaters for raman amplified, wave division multiplexed optical communication systems
04/17/2003US20030072061 Optical communication link
04/17/2003US20030072060 Optical communication apparatus and system
04/17/2003US20030072059 System and method for securing a communication channel over an optical network
04/17/2003US20030072057 Virtual common space: using WDM in metro access networks
04/17/2003US20030072056 Wavelength division multiplexer and wavelength division multiplexing system
04/17/2003US20030072055 System and method for integrating a fiber optic fixed access network and a fiber optic radio access network
04/17/2003US20030072054 Optical power control monitor for multiple wavelength fiber-optic networks
04/17/2003US20030072053 Closed-loop optical network system and an associated transceiver and method for transmitting a plurality of optical signals
04/17/2003US20030072050 Multilevel pulse position modulation for efficient fiber optic communication
04/17/2003US20030072049 Method of identifying infrared transmission head function
04/17/2003US20030071985 Method of measuring wavelength dispersion amount and optical transmission system
04/17/2003US20030071272 Topside active optical device apparatus and method
04/17/2003US20030071201 Variable optical attenuator
04/17/2003CA2463278A1 Transmitter photonic integrated circuits (txpic) and optical transport networks employing txpics
04/17/2003CA2461541A1 Optical signal transmission
04/17/2003CA2460722A1 Optical amplifier control in wdm communications systems
04/16/2003EP1303063A2 Fast decision threshold controller for burst-mode receiver
04/16/2003EP1303062A2 Distortion measurement in optical communications systems
04/16/2003EP1302009A1 Beam combiner
04/16/2003EP1302006A2 Cascaded pumping system for distributed raman amplification in optical fiber telecommunication systems
04/16/2003EP1302005A2 Optical free space signalling system
04/16/2003EP1301969A2 All-optical waveguide component serving as a converter comprising a saturable amplifying region and uses thereof
04/16/2003EP1301822A1 Direct electrical-to-optical conversion and light modulation in micro whispering-gallery-mode resonators
04/16/2003EP1301816A1 Technique for detecting the status of wdm optical signals
04/16/2003EP1153332B1 Non-linearity compensation in optical devices and transmission systems
04/16/2003EP1104603B1 Path monitoring in optical communication systems
04/16/2003EP1031198B1 Telecommunications network having shared protect capacity architecture
04/16/2003EP0882334B1 Dispersion compensation in optical fibre transmission
04/16/2003CN2545759Y Hang indoor wiring optical cable
04/16/2003CN2545620Y Optical fibre identifier with visible light failure location function
04/16/2003CN1411196A Method for monitoring optical signal performance in interleaving system and apparatus thereof
04/16/2003CN1411168A 光通信系统 The optical communication system
04/16/2003CN1411167A 光传输系统 The optical transmission system
04/16/2003CN1411166A Transmitter and receiver module having push button type deblocking device
04/16/2003CN1411164A Apparatus capable of regulating ultrasonic wave and infrared ray carrier frequency
04/16/2003CN1411163A Illuminator and communication system
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