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)
01/2002
01/22/2002CA2267141C Dynamically reconfigurable optical add-drop multiplexers for wdm optical communication systems
01/21/2002CA2353292A1 Wavelength division multiplexing transmission system and transmitter and receiver therefor
01/17/2002WO2002007351A1 Arrangement for the minimisation or compensation of pmd induced distortion in optical transmission systems and in particular transmission fibres
01/17/2002WO2002005464A1 Optical transmitter and optical fiber transmission system having the same
01/17/2002WO2002005463A1 Pdm monitor method and device for determining the polarisation mode dispersion of a transmission system, especially a transmission fibre
01/17/2002WO2002005462A2 Optical transmission systems including optical amplifiers and methods of use therein
01/17/2002WO2002005461A2 Cascaded pumping system for distributed raman amplification in optical fiber telecommunication systems
01/17/2002WO2002005460A1 Auto-tracking method for a free space optical communication system
01/17/2002WO2002005459A2 Optical free space signalling system
01/17/2002WO2002005438A2 Bi-directional wavelength switched ring optical protection switching protocol
01/17/2002WO2002004989A2 A system and method for increasing channel capacity of fiber-optic communication networks
01/17/2002WO2002004956A2 Method of identifying conformation-sensitive binding peptides and uses thereof
01/17/2002WO2001056197A3 Digital downstream communication system
01/17/2002WO2001042748A3 Fiber bragg grating peak detection system and method
01/17/2002WO2001039150A3 Method and system for programming a universal remote controller
01/17/2002WO2001026263A3 Through-timing of data transmitted across an optical communications system utilizing frequency division multiplexing
01/17/2002US20020006257 Method and system for compensating for chromatic dispersion
01/17/2002US20020006256 Dispersion compensating optical fiber
01/17/2002US20020006251 Bidirectional signal transmission device using light
01/17/2002US20020006250 Multistage optical demultiplexer and multistage optical multiplexer
01/17/2002US20020006111 Parent station device, communication control device, communication control method, child station device, communication system having the parent station device and child station devices, and method of allocating slots to child station devices
01/17/2002US20020005981 Balanced gain flattening filters
01/17/2002US20020005975 Optical transmitter and optical transmission system
01/17/2002US20020005974 Optical receiver
01/17/2002US20020005973 Process for transmitting optically coded signals, a system and an optical signal processor
01/17/2002US20020005972 Optical transceiver design and mechanical features
01/17/2002US20020005971 Radio-frequency transmitter with function of distortion compensation
01/17/2002US20020005970 Dispersion compensator and method of compensating for dispersion
01/17/2002US20020005969 Microstructure optical fibers for dispersion management in optical communication systems
01/17/2002US20020005968 Wavelength division multiplex transmission system and communication device
01/17/2002US20020005967 Wavelength division multiplex transmission system
01/17/2002US20020005966 Optical crossbar switching and/or routing system
01/17/2002US20020005948 Method and apparatus for analyzing wavelength-division multiplexed signal light
01/17/2002CA2414572A1 Method of identifying conformation-sensitive binding peptides and uses thereof
01/17/2002CA2414369A1 A system and method for increasing channel capacity of fiber-optic communication networks
01/17/2002CA2338343A1 System for minimising or compensating pmd-induced distortions in optical transmission systems and transmision fibres in particular
01/16/2002EP1172955A2 Methods and devices of allocating slots to child stations
01/16/2002EP1172950A2 Optical receiver
01/16/2002EP1172949A1 Auto-tracking method for a free space optical communication system
01/16/2002EP1171968A1 Device and method for compensating polarization mode dispersion in an optical communication system
01/16/2002EP1171967A1 Method and monitoring device for monitoring the quality of data transmission over analog lines
01/16/2002CN2472433Y Optical cordless earphone
01/16/2002CN2472421Y Mixed crystal oscillator
01/15/2002US6339665 Apparatus and method for compensation of chromatic dispersion in optical fibers
01/15/2002US6339663 Bidirectional WDM optical communication system with bidirectional optical service channels
01/15/2002US6339495 Optical amplifier with power dependent feedback
01/15/2002US6339489 Device for compensating the dispersion of polarization in an optical transmission system
01/15/2002US6339487 Bi-directional optical transmission system
01/15/2002CA2285283C N x m optical wavelength routing switch
01/15/2002CA2222666C Optical sampling by modulating a pulse train
01/15/2002CA2190859C Optical telecommunications network
01/15/2002CA2103178C Optical transmission system, particularly for a videocommunication cable network
01/12/2002CA2352825A1 Self powered data communication optical fiber cable extender
01/10/2002WO2002003579A2 System and method for increasing capacity of undersea cables
01/10/2002WO2002003578A1 Device for transmitting data between a self-contained mobile and a transmission/reception station
01/10/2002WO2002003577A1 Optimal dispersion compensation for return-to-zero transmission over non-zero dispersion shifted fibers
01/10/2002WO2002003576A2 Method for determining optimum pre-compensation in an optical system
01/10/2002WO2002003575A1 Optical fiber raman amplifier and optical fiber communication system comprising at least one such amplifier
01/10/2002WO2002003564A1 Transmission line loss testing method, slave station using the method, master station, and communication system
01/10/2002WO2002003123A2 Optical tapped delay line
01/10/2002WO2001095442A8 Raman amplifier with automatic gain equalization
01/10/2002WO2001048540A3 Tunable compensation for polarization-mode dispersion using a birefrigent nonlinearly-chirped bragg grating in a dual-pass configuration
01/10/2002WO2001037384A3 Gain saturation tuning in optical amplifiers
01/10/2002WO1999062186A3 Optical amplifier having substantially uniform spectral gain
01/10/2002US20020004336 Hybrid connector and process for assembling the same
01/10/2002US20020003916 Compensation of polarization mode dispersion
01/10/2002US20020003649 Parallel opto-electric structure for high sensitivity and wide bandwidth optical transceiver
01/10/2002US20020003648 Optical transmitter, and method of controlling bias voltage to the optical transmitter
01/10/2002US20020003647 Optical transmission system, its method, and optical amplification transmission line
01/10/2002US20020003646 Dispersion compensation apparatus including a fixed dispersion compensator for coarse compensation and a variable dispersion compensator for fine compensation
01/10/2002US20020003641 Polarization division multiplexer
01/10/2002US20020003640 Star topology network with fiber interconnect on chip
01/10/2002US20020003495 System for providing location-specific data to a user
01/10/2002US20020003475 Control and communication system for components of electrical apparatus
01/10/2002CA2411557A1 Method for determining the optimum pre-compensation in an optical transmission system
01/09/2002EP1170895A1 Optical transmission system with reduced raman effect depletion.
01/09/2002EP1170890A1 Compensation of polarization mode dispersion
01/09/2002EP1170889A2 Optical gain equalizer
01/09/2002EP1170888A1 Optical fiber raman amplifier gain equalisation
01/09/2002EP1170887A2 Optical communications transmitting apparatus
01/09/2002EP1170886A2 Control and communication system for components of electrical apparatus
01/09/2002EP1170628A1 Raman amplifier
01/09/2002EP1170610A2 Opto-electrical hybrid connector and process for assembling the same
01/09/2002EP1170604A2 Optical fiber, optical transmission line and dispersion compensating module
01/09/2002EP1169797A1 Device for optically transmitting data
01/09/2002EP1169759A1 Control circuit for a radiation source and method for controlling a radiation source
01/09/2002CN2471021Y Data detection device of optical fiber receiving-sending module
01/09/2002CN1330469A System containing optical semiconductor waveguide device
01/09/2002CN1330468A Control channel processor and conversion mechanism
01/09/2002CN1330463A Bidirectional optical transmission using double-channel wave band
01/09/2002CN1330276A Optical fibre, optical transmission line and dispersion compensating component
01/09/2002CN1330266A High-speed data acquisition and real-time accumulation circuit for light-time domain reflectometer
01/09/2002CN1330265A Optical module for light-time domain reflectometer with wide dynamic range
01/08/2002US6337936 Optical amplifier, and method and apparatus for monitoring an optical fiber transmission path
01/08/2002US6337887 Burst receiving circuit and control method thereof
01/08/2002US6337886 Bit rate-selective type optical receiver, optical regenerative repeater and automatic bit rate discriminating method
01/08/2002US6337764 Optical fiber amplifier for controlling gain flatness
01/08/2002US6337756 Optical transmitter system and method
01/08/2002US6337755 Polarization independent all-optical regenerators
01/08/2002US6337754 Optical conversion relay amplification system