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)
10/2002
10/22/2002US6469813 Reducing collision-induced jitter by wavelength interchange in an optical fiber transmission system using soliton signals and wavelength division multiplexing
10/22/2002US6469782 Method of detecting distortions and a receiver for distorted optical signals
10/22/2002US6469634 Method and apparatus for controlling the operation of electronic entertainment devices in an entertainment system
10/22/2002US6469489 Adaptive array sensor and electrical circuit therefore
10/22/2002US6469367 Bipolar transistor
10/22/2002CA2262046C Optical layer quasi-centralized restoration
10/22/2002CA2260395C Photocurrent monitor circuit and optical receiver
10/17/2002WO2002082706A2 High spectral efficiency, high performance optical mux and demux architecture
10/17/2002WO2002082703A1 Wavelength associative addressing system for wdm type light packet steering
10/17/2002WO2002082702A1 Time slot scheduling for shared-medium communications networks
10/17/2002WO2002082693A1 Optical linearizer for fiber communications
10/17/2002WO2002082692A1 Method and equipment for guided transmission of information through fluid media and/or plasma using electromagnetic radiation
10/17/2002WO2002082138A1 Method for upgrading bandwidth in an optical system utilizing raman amplification
10/17/2002WO2002073845A3 Free space optical communication network
10/17/2002WO2002067465A3 Wireless infrared multi-spot diffusing communication system
10/17/2002WO2002051041A3 Improvements in, or relating to, optical communications
10/17/2002WO2002048768A3 Optical fiber with very high negative dispersion slope
10/17/2002WO2002045298A3 Optical shutter
10/17/2002WO2002030030A3 Method and system for transmission in a noisy environment
10/17/2002WO2001078264A9 Nonlinear optical loop mirror
10/17/2002US20020152041 System & method for addressing optical emanations from an information processing device
10/17/2002US20020150362 Method and device for handling optical pulse signals
10/17/2002US20020150341 Diffractive monitor and system
10/17/2002US20020150338 Array waveguide grating, array waveguide grating module, optical communication unit and optical communication system
10/17/2002US20020150329 Multi-channel wavelength division multiplexer/demultiplexer
10/17/2002US20020150328 In-line hub amplifier structure
10/17/2002US20020150042 Submarine optical fiber transmission network
10/17/2002US20020149841 Raman excitation control method and optical transmission system using the same
10/17/2002US20020149839 Optical fiber amplifier
10/17/2002US20020149826 Optical single-sideband modulated signal generator
10/17/2002US20020149825 Open air optical channel
10/17/2002US20020149824 Synchronization of an optical pulse stream with an electrical signal
10/17/2002US20020149823 Method and apparatus for detecting localized polarization dependent anomalies on optical transmission lines
10/17/2002US20020149822 Optical commuincation system for a portable computing device and method of use
10/17/2002US20020149821 Integrated memory mapped controller circuit for fiber optics transceiver
10/17/2002US20020149819 OADM system and method for computing wavelength number therein
10/17/2002US20020149818 Optical device and wavelength division multiplexing communication system using same
10/17/2002US20020149814 Multi-function optical performance monitor
10/17/2002US20020149813 Line quality monitoring apparatus and method
10/17/2002US20020149812 Method and procedures for system test and verification of optical networks using noise injection/loading
10/17/2002US20020149811 Integrated environmental control and management system for free-space optical communication systems
10/17/2002US20020149810 Laser safety method for DC coupled parallel optical link
10/17/2002DE10205290A1 Device for transferring optical data signals in free space has device for receiving optical data signals with receiver with optical data signal detector surface in form of photomultiplier
10/17/2002DE10118335A1 Device for optical transmission of data between satellites has pre-amplifier for modulated optical signal coupled to power divider stage suppying parallel phase setting devices and series main amplifiers
10/17/2002CA2443649A1 Method for upgrading bandwidth in an optical system utilizing raman amplification
10/17/2002CA2443409A1 High spectral efficiency, high performance optical mux and demux architecture
10/16/2002EP1250018A1 Wireless base station network system, control station, base station switching method, signal processing method, and handover control method
10/16/2002EP1249956A2 In-line hub amplifier structure
10/16/2002EP1249952A2 Method and system for automatic optical fiber type identification
10/16/2002EP1249901A2 Band-expanding method for optical amplifiers and optical transmission apparatus
10/16/2002EP1249640A2 Swash plate type hydraulic transmission
10/16/2002EP1249088A1 Electrooptical data-transmission module
10/16/2002EP1249087A1 Improved data compression apparatus and method therefor
10/16/2002EP1249086A1 Pre-distorter with non-magnetic components for a non-linear device
10/16/2002EP1249085A2 Dynamic distortion control
10/16/2002EP1249084A2 Hybrid wireless optical and radio frequency communication link
10/16/2002CN2517184Y Optical transmission system
10/16/2002CN2517183Y Optical signal modulation device of optical communication system
10/16/2002CN2517181Y Optical transmission device with multi-data interface
10/16/2002CN2517180Y Improved structure of photoelectric signal receiver
10/16/2002CN2516985Y Opitcal subcombination
10/16/2002CN1375072A Optical coupling device
10/16/2002CN1374767A Wideband incoherent spectrum partable fiber light source for multichannel wavelength division multiplexing system
10/16/2002CN1092882C Channel selection in optical TDMA network
10/16/2002CN1092879C Radio-frequency modulated optical radiation source method for generating radio-frequency modulated optical radiation source and system using the same
10/15/2002US6467092 Method for adjusting power in a communication system with multicarrier telephony transport
10/15/2002US6466886 Automatic optical signal type identification method
10/15/2002US6466712 Optical transmission link incorporating highpass optical filtering
10/15/2002US6466572 Distributed ethernet hub
10/15/2002US6466364 Gain flattening with nonlinear sagnac amplifiers
10/15/2002US6466362 Hybrid amplifier and control method herefor that minimizes a noise figure for particular span loss
10/15/2002US6466349 Integrated optical transmitter
10/15/2002US6466348 Trunk apparatus of a wavelength-division-multiplexing communication system for controlling a gain of an optical amplifier provided therein
10/15/2002US6466347 Binary optical transmission system
10/15/2002US6466346 WDM optical communication systems with wavelength-stabilized optical selectors
10/15/2002US6466345 Multiple wavelength source
10/15/2002US6466342 Optical transmission system and method using an optical carrier drop/add transceiver
10/15/2002US6466341 Add/drop filter for a multi-wavelength lightwave system
10/15/2002US6466041 Method for setting the trigger power of transmitter diodes
10/15/2002CA2228219C Packet routing
10/15/2002CA2189664C Method and device for optically recovering the synchronism of an optical digital signal
10/10/2002WO2002080481A1 Increased transmission capacity for a fiber-optic link
10/10/2002WO2002080427A1 System and method for optical communication
10/10/2002WO2002080426A1 Wavelength division multiplexing power control system
10/10/2002WO2002080411A1 Polarization mode dispersion compensation in optical transmission media
10/10/2002WO2002080410A2 Optical transmission line
10/10/2002WO2002080409A1 Systeme dwdm de survie Dwdm system survival
10/10/2002WO2002080408A1 Method and system for reducing degradation of optical signal to noise ratio
10/10/2002WO2002080378A2 Dynamic controller for a multi-channel optical amplifier
10/10/2002WO2002079822A2 Method and apparatus for providing dispersion in dispersion compensation modules
10/10/2002WO2002079813A2 Semiconductor quantum dot optical amplifier, and optical amplifier module and optical transmission system using the same
10/10/2002WO2002079758A1 Error function analysis of optical components with uncertainty ranges
10/10/2002WO2002061980A9 Open-path/free-space optical communication system and method using reflected or backscattered light
10/10/2002WO2002058198A3 Broadband optical amplifier
10/10/2002WO2002052754A3 Method, system and apparatus for optically transferring information
10/10/2002WO2002039615A3 Cellular base station with remote antenna
10/10/2002WO2002004956A9 Method of identifying conformation-sensitive binding peptides and uses thereof
10/10/2002US20020146198 Modular all-optical cross-connect
10/10/2002US20020146190 Optical device
10/10/2002US20020146046 Tunable optical signal oscillator