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) |
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06/26/2002 | EP1216532A1 Connection of an add/drop node |
06/26/2002 | EP1216428A2 Dispersion and dispersion slope compensated fiber link |
06/26/2002 | EP0755616B1 Transport network with high transmission capacity for telecommunications |
06/26/2002 | CN1355969A Method and apparatus of utilizing RF/microwave mixing techniques to select given band of optical transmission |
06/26/2002 | CN1355617A Infrared transmission system with autoamtic recognition function |
06/26/2002 | CN1086877C Multi-point to point communication system |
06/25/2002 | US6411821 Telephone regulation system and portable telephone terminal device used in such a system |
06/25/2002 | US6411813 Data communication method and apparatus |
06/25/2002 | US6411750 Distortion analyzer |
06/25/2002 | US6411640 Distributed feedback semiconductor laser with phase shift region having polarization dependency, optical transmitter, and optical communication system using the same |
06/25/2002 | US6411634 Cost-effective high precision wavelength locker |
06/25/2002 | US6411430 Optical amplifier |
06/25/2002 | US6411429 Optical amplifying apparatus, wide-band optical amplifying apparatus, and optical communication system |
06/25/2002 | US6411418 High-performance parallel processors based on star-coupled wavelength division multiplexing optical interconnects |
06/25/2002 | US6411417 Optical equalizer |
06/25/2002 | US6411416 Method and apparatus for minimizing the intensity of a specific frequency component of an optical signal travelling through an optical fiber transmission line to thereby minimize the total dispersion |
06/25/2002 | US6411415 Optical transmission system with a receiver using full optical clock recovery |
06/25/2002 | US6411414 Wavelength division multiplexing wireless optical link |
06/25/2002 | US6411413 Method and apparatus for performing dispersion compensation without a change in polarization and a transmitter incorporating same |
06/25/2002 | US6411410 Wavelength-division multiplexing in passive optical networks |
06/25/2002 | US6411409 Compact diffraction grating based WDM demux |
06/25/2002 | US6411408 Apparatus and method for high repetition rate optical communication over long unrepeated spans |
06/25/2002 | US6411407 Method for providing a bidirectional optical supervisory channel |
06/25/2002 | US6411323 High power marking system achieved through power scaling via multiplexing |
06/25/2002 | US6410902 Optical receiver |
06/25/2002 | CA2247189C Channel selection in an optical tdma network |
06/25/2002 | CA2229683C Optical switching device having recirculating structure and optical switching method therefor |
06/22/2002 | CA2363631A1 Delayed interference wavelength converter and/or 2r regenerator |
06/20/2002 | WO2002049299A2 A line coding scheme for digital communications, transmission method and apparatus |
06/20/2002 | WO2002049267A1 System for secure optical transmission of binary code |
06/20/2002 | WO2002049252A1 High-speed optical data network with improved optical receiver |
06/20/2002 | WO2002049243A2 Optical amplifier having an improved noise figure and noise reduction method |
06/20/2002 | WO2002049241A2 Fiber optic system including digital controller for fiber optic tunable filter and associated methods |
06/20/2002 | WO2002049240A2 True-time delay generator |
06/20/2002 | WO2002049222A2 System and method for communication between remote locations |
06/20/2002 | WO2002048991A2 Method for determining current location-specific information of individuals, transmitting-receiving system, and receiver for carrying out the method |
06/20/2002 | WO2002048771A2 Optical-fiber cable and method for transmitting optical signals, particularly according to wavelength multiplexing technology |
06/20/2002 | WO2002048768A2 Optical fiber with very high negative dispersion slope |
06/20/2002 | WO2002048751A2 Dense wavelength division multiplexing (dwdm) fiberoptic source |
06/20/2002 | WO2002048750A2 Interfacing fiber optic data with electrical power systems |
06/20/2002 | WO2002023744A3 System and method for remotely controlling home appliances |
06/20/2002 | WO2002019576A3 Optical transmission link with low slope, raman amplified fiber |
06/20/2002 | WO2002017515A3 Optical channel monitoring chip |
06/20/2002 | WO2001089128A3 A reconfigurable optical switch |
06/20/2002 | WO2001077715A3 Method and apparatus for optical channel switching in an optical add/drop multiplexer |
06/20/2002 | US20020077071 Spin polarized wave division |
06/20/2002 | US20020076193 System and method of using variable pulses for symbology |
06/20/2002 | US20020076186 Optical fiber for in-line compensation of chromatic dispersion in an optical fiber with postive chromatic dispersion |
06/20/2002 | US20020076185 Chromatic dispersion compensation in an optical fiber transmission system, and a compensation fiber |
06/20/2002 | US20020076183 Dispersion management system for soliton optical transmission system |
06/20/2002 | US20020076182 Distributed optical amplifying apparatus, optical communication station, optical communication system, and optical fiber cable |
06/20/2002 | US20020076176 Identifying fibers of fiber optic cables |
06/20/2002 | US20020076173 Method and apparatus for vertical board construction of fiber optic transmitters, receivers and transceivers |
06/20/2002 | US20020076159 Optical amplifier, optical transmission equipment, optical transmission system, and method thereof |
06/20/2002 | US20020076143 Multi-channel, multi-mode redundant optical local loop having a bus topology |
06/20/2002 | US20020076132 Optical filter for simultaneous single sideband modulation and wavelength stabilization |
06/20/2002 | US20020075906 Signal transmission systems |
06/20/2002 | US20020075549 Light modulation |
06/20/2002 | US20020075547 High-speed optical data network with improved optical receiver |
06/20/2002 | US20020075546 Optical transmission system |
06/20/2002 | US20020075545 Optcal high speed communications for a computed tomography x-ray machine |
06/20/2002 | US20020075543 Optical router for a light-based communication network |
06/20/2002 | US20020075537 Narrow band wavelength division demultiplexer and method of demultiplexing optical signals |
06/20/2002 | US20020075536 Multi-wavelength all-optical regenerators ( mars) |
06/20/2002 | US20020075535 Four fiber ring network optical switching circuit using branched inputs |
06/20/2002 | US20020075534 Method for identifying faults in a branched optical network |
06/20/2002 | US20020075477 Compensation and control of both first-order and higher-order polarization-mode dispersion |
06/20/2002 | US20020074485 Method and system for linearization of MOEMS tunable filter scan |
06/20/2002 | CA2431494A1 Interfacing fiber optic data with electrical power systems |
06/20/2002 | CA2430963A1 A line coding scheme for digital communications, transmission method and apparatus |
06/19/2002 | EP1215832A2 Variable-wavelength optical transmitter with output control and optical communication system thereof |
06/19/2002 | EP1215831A2 Indentifying fibres of fibre optic cables |
06/19/2002 | EP1215830A2 Multi-channel, multi-mode redundant optical local loop having a bus topology |
06/19/2002 | EP1215527A1 Light amplifier using raman amplification and control method thereof |
06/19/2002 | EP1214805A1 Optical transmission system with dispersion compensation units |
06/19/2002 | EP1214804A1 Optical link performance monitoring system in a hybrid fibre coaxial path |
06/19/2002 | EP1214762A1 Method and apparatus for filtering an optical beam |
06/19/2002 | EP1214760A2 Optical transmission systems including optical amplifiers and methods of use therein |
06/19/2002 | EP0916105B1 Optical module for access networks to wide band communication systems and relevant production method |
06/19/2002 | CN2496195Y Light relay equipment |
06/19/2002 | CN2496194Y Fibre-optical Ethernet type feeder automation terminal equipment |
06/19/2002 | CN2496193Y Intelligent electrical tourist guiding apparatus |
06/19/2002 | CN1354840A Laser communication system and method |
06/18/2002 | US6408114 Method of stabilization optical solitons, and equipment for implementing the method |
06/18/2002 | US6407854 Fiber amplifier with fast transient response and constant gain |
06/18/2002 | US6407846 Photonic wavelength shifting method |
06/18/2002 | US6407845 Optical transmitter and optical transmission system |
06/18/2002 | US6407842 Method and apparatus for transmitting a WDM optical signal having nonuniform channel spacings |
06/18/2002 | US6407841 Reduction of collision induced timing jitter by periodic dispersion management in soliton WDM transmission |
06/18/2002 | US6407840 Power-saving infrared-detecting receiving system |
06/18/2002 | US6407839 Optical and programmable fiber optic wavelength add/drop system |
06/18/2002 | US6407838 Reconfigurable multi-add/drop module for optical communications |
06/18/2002 | US6407835 Single site for healing dual optical rings |
06/18/2002 | US6407834 Optical wave network system and method of monitoring a network trouble |
06/18/2002 | US6407402 I2C opto-isolator circuit |
06/18/2002 | US6407376 Optical channel monitoring system with self-calibration |
06/18/2002 | US6405567 Reduced dispersion optical waveguide and methods for fabricating the same |
06/13/2002 | WO2002047409A1 Radio communication base station system including optical advanced base station |
06/13/2002 | WO2002047295A2 Method for supplying persons with updated, location-dependent information by means of acoustic and/or optical information |
06/13/2002 | WO2002047294A2 Optical performance monitoring for dwdm networks |