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)
03/2003
03/26/2003CN1405794A Electrical optimized compound telecommunication cable system
03/26/2003CN1405603A Single-crystal 2X2 photo switch
03/26/2003CN1405592A Micro mechanical optical switch made from <110> silicon sheet
03/26/2003CN1405590A Vertical-mirror rotating micro-mechanical optical switch and its making method
03/26/2003CN1405587A Double refraction optical-fiber grating
03/25/2003US6539159 Adaptive support for positioning optical components
03/25/2003US6539146 Method and architecture for monitoring optical node health using a modulated return laser dithering signal in a broadband network
03/25/2003US6539144 Method and system for restoring optical ring-networks
03/25/2003US6539131 Optical MSK modulator
03/25/2003US6539109 Imaging system
03/25/2003US6539038 Reference frequency quadrature phase-based control of drive level and DC bias of laser modulator
03/25/2003US6538974 Method and system for suppressing spurious reflections
03/25/2003US6538803 Optical amplifier and optical wavelength division multiplexing communication system
03/25/2003US6538790 Optical receiver array
03/25/2003US6538789 Optical linearizer for fiber communications
03/25/2003US6538788 Method for the reduction of noise in a long-distance optical telecommunications system
03/25/2003US6538787 Apparatus and method for polarization mode dispersion emulation and compensation
03/25/2003US6538786 Optical communication system and optical reception apparatus using synchronous polarization scrambler
03/25/2003US6538785 Signal transfer apparatus of computer
03/25/2003US6538784 Multicast-capable optical cross-connect with layered modularity
03/25/2003US6538782 Light branching/inserting apparatus and light branching apparatus using wavelength selection filter
03/25/2003US6538781 Multimedia distribution system using fiber optic lines
03/25/2003US6538779 Optical signal monitoring method and apparatus
03/25/2003CA2330729C Tunable optical add/drop device and method
03/20/2003WO2003024011A2 Optical performance monitor
03/20/2003WO2003024004A1 Photoreceiver assembly for high-powered lasers
03/20/2003WO2003024003A1 Low noise optical amplifier and optical communication system using the same
03/20/2003WO2002091031A3 N-way broadcast/narrowcast combiner
03/20/2003WO2002049222A3 System and method for communication between remote locations
03/20/2003WO2002032022A3 Optical communications apparatus
03/20/2003US20030056159 Transmission characteristic compensation scheme
03/20/2003US20030054784 Infrared full-duplex wireless communication device
03/20/2003US20030053780 Dispersion and slope compensating optical fiber and transmission link including same
03/20/2003US20030053737 Wavelength dispersion compensation system for compensating even for higher-order dispersion
03/20/2003US20030053209 Dual stage optical isolator with reduced polarization mode dispersion and beam offset
03/20/2003US20030053201 Low noise optical amplifier and optical communication system using the same
03/20/2003US20030053200 Optical communication system
03/20/2003US20030053199 Raman amplifier, optical repeater, and Raman amplification method
03/20/2003US20030053196 Dynamic controller for a multi-channel optical amplifier
03/20/2003US20030053194 Methods and systems for high performance, wide bandwidth optical communication systems using raman amplification
03/20/2003US20030053193 Noise figure measuring system for optical amplifier
03/20/2003US20030053182 Decision system for modulated electrical signals
03/20/2003US20030053180 Methods of optical communication and optical communication systems
03/20/2003US20030053179 Electronic RZ/CSRZ signal generation for optical communication systems
03/20/2003US20030053178 Frequency translating devices and frequency translating measurement systems that utilize light-activated resistors
03/20/2003US20030053177 Repeater apparatus, communication equipment, communication system thereof and repeating method
03/20/2003US20030053176 Passive optical network system for effectively utilizing communication bandwidth
03/20/2003US20030053175 Dynamically reconfigurable optical smart node
03/20/2003US20030053174 Optical equalizing of chromatic and polarization mode dispersion
03/20/2003US20030053173 Wavelength dependent optical attenuator and variable attenuation profile controller
03/20/2003US20030053172 Optical communication interface module connected to electrical communication interface module of i2c communication protocol
03/20/2003US20030053171 Optical configuration, in particular for bidirectional WDM systems, and a transceiving module for bidirectional optical data transmission
03/20/2003US20030053170 Optoelectronic device capable of participating in in-band traffic
03/20/2003US20030053169 Optical transmitter, WDM optical transmission device and optical module
03/20/2003US20030053168 Channel allocation apparatus of OSU in WDM system
03/20/2003US20030053165 Method for measuring transmission loss in optical transmission line for test, and slave station, master station, and optical communication system using the method
03/20/2003US20030053164 Free-space optical communications using holographic conjugation
03/20/2003US20030053163 Analogous channel method for performance monitoring and equalization in optical networks
03/20/2003US20030053064 Wavelength detector and optical transmitter
03/20/2003US20030052253 Optical device, system and method for detecting a condition in an optical device
03/19/2003EP1294115A2 Transmission characteristic compensation scheme
03/19/2003EP1294114A1 Wdm transmission system
03/19/2003EP1294113A2 Branching unit for an optical transmission system
03/19/2003EP1294112A2 Multipoint-to-point signalling system
03/19/2003EP1294111A2 Optical device, system and method for detecting a condition in an optical device
03/19/2003EP1294110A2 Circuit and method for safety shutdown for an optical amplifier
03/19/2003EP1293813A1 Multiple grating optical wavelength monitor
03/19/2003EP1293057A1 Wdm signal monitoring
03/19/2003EP1293053A1 Chromatic dispersion compensation
03/19/2003CN2540712Y Optical fiber connecting terminal structure
03/19/2003CN2540711Y Single-fiber bidirectional optical transmit-receive module
03/19/2003CN2540710Y Connecting terminal structure of optical transceiver
03/19/2003CN1404657A Method and arrangement for noise rejection in a receiver circuit
03/19/2003CN1404254A Expandable multicasting light exchange structure with light-regulating shunt
03/19/2003CN1404253A Temperature-insensitive integrated wavelength division multiplexer
03/19/2003CN1404237A Automatic in-situ on-off method of Raman amplifier and its safe control module
03/19/2003CN1404236A Light-controlled light exchange structure adopting multiband mark
03/19/2003CN1403851A Composite nano metal particle-semiconductor medium film and its prepn process and completely optical kerr switch
03/19/2003CN1403837A Single-mode optical fiber and its prepn and use
03/19/2003CN1103454C Single mode optical fibre
03/19/2003CA2403180A1 Optical transmission link including raman amplifier
03/18/2003US6535715 Hybrid/fiber coax video and telephony communication system with poly-phase filtering
03/18/2003US6535677 Dispersion-managed optical fiber, method of manufacturing the same, optical communication system including the same and optical fiber preform therefor
03/18/2003US6535675 Optical fiber having a chromatic dispersion slope that is shallow
03/18/2003US6535661 Optical signal processing method and optical signal processing apparatus
03/18/2003US6535660 Raman-amplified optical transmission system
03/18/2003US6535534 Optical source driver with bias circuit for controlling output overshoot
03/18/2003US6535335 Optical polarization encoder
03/18/2003US6535331 Wideband optical amplifier and wideband variable wavelength optical source
03/18/2003US6535330 Dynamic controller for a multi-channel optical amplifier
03/18/2003US6535328 Methods and devices based on brillouin selective sideband amplification
03/18/2003US6535316 Generation of high-speed digital optical signals
03/18/2003US6535315 Optical fiber transmitter for simultaneously suppressing stimulated brillouin scattering and self/external-phase modulation-induced nolinear distortions in a long-distance broadband distribution system
03/18/2003US6535314 Satellite optical communication beam acquisition techniques
03/18/2003US6535309 Optical multiplexing/demultiplexing apparatus and optical multiplexing/demultiplexing method
03/18/2003US6535308 Method and apparatus for converting electrical signals and optical signals for bidirectional communication over a single optical fiber
03/18/2003US6535289 System and method for optical heterodyne detection of an optical signal
03/18/2003US6534997 Apparatus and a method for locating a fault of a transmission line
03/18/2003US6534705 Methods and apparatus for beaming power
03/18/2003US6534164 Magnetic recording medium and magnetic recording apparatus using the same
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