| 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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| 09/11/2001 | US6288410 Semiconductor optical device with tensile-strained quantum well structure |
| 09/11/2001 | CA2209407C Optical communications system employing spectrally sliced optical source |
| 09/08/2001 | CA2337706A1 In-line polarization monitoring and control in lightwave communication systems |
| 09/07/2001 | WO2001065754A1 Method and apparatus for polarization multiplexing and demultiplexing optical tributary signals |
| 09/07/2001 | WO2001065752A1 Arrangement for producing a wavelength-multiplex signal with small interchannel spaces |
| 09/07/2001 | WO2001065742A2 Optical fiber network |
| 09/07/2001 | WO2001065741A2 Optical multiple function bandwidth management systems |
| 09/07/2001 | WO2001065740A1 Optical amplifying device, compound optical amplifying device and optical communication system |
| 09/07/2001 | WO2001065739A2 Gain control in optical amplifiers |
| 09/07/2001 | WO2001065738A2 Optical communication system |
| 09/07/2001 | WO2001065737A1 Method for transmitting additional optical signals in the s-band |
| 09/07/2001 | WO2001065736A1 Power stabilisation in an optical communication system |
| 09/07/2001 | WO2001065735A1 Error mitigation system using line coding for optical wdm communications |
| 09/07/2001 | WO2001065734A2 Integrated optical monitoring system with tunable filter |
| 09/07/2001 | WO2001065733A1 Method and system for controlling polarization mode dispersion |
| 09/07/2001 | WO2001065732A2 Application of digital processing scheme for enhanced cable television network performance |
| 09/07/2001 | WO2001065731A2 Optical isolation apparatus and method |
| 09/07/2001 | WO2001065730A2 Apparatus, system, and method for extracting an optical clock signal from an optical data signal |
| 09/07/2001 | WO2001065646A2 Multiple stage optical fiber amplifier |
| 09/07/2001 | WO2001065290A1 Reducing insertion losses of a written in grating with mode coupling in the cladding |
| 09/07/2001 | WO2001064010A2 Optical amplifier and optical transmission system |
| 09/07/2001 | CA2404204A1 Method and system for controlling polarization mode dispersion |
| 09/07/2001 | CA2401108A1 Method and apparatus for polarization multiplexing and demultiplexing optical tributary signals |
| 09/07/2001 | CA2400846A1 Optical isolation apparatus and method |
| 09/07/2001 | CA2400150A1 Application of digital processing scheme for enhanced cable television network performance |
| 09/06/2001 | US20010019651 Optical fiber and optical transmission line including the same |
| 09/06/2001 | US20010019642 Arrangement for reducing the stimulated brillouin scattering in an optical waveguide fiber |
| 09/06/2001 | US20010019626 Data receiving apparatus and image forming apparatus using the same |
| 09/06/2001 | US20010019538 Communication system and method |
| 09/06/2001 | US20010019449 Low-noise bidirectional optical amplifier |
| 09/06/2001 | US20010019448 Optical amplifier, optical amplifying repeater and transmission apparatus of wavelength division multiplexed signal light using the same |
| 09/06/2001 | US20010019442 Optical RZ signal generator, optical RZ signal generating method, optical time division multiplexer, and optical time division multiplexing method |
| 09/06/2001 | US20010019441 Clock regeneration circuit and optical signal receiver using the same |
| 09/06/2001 | US20010019440 Method and apparatus for bit synchronization in optical communication and networking systems |
| 09/06/2001 | US20010019439 Optical transmission system and node adding method |
| 09/06/2001 | US20010019438 Wavelength division multiplex transmission system using asymmetrical filtering |
| 09/06/2001 | US20010019436 System and method for equalizing transmission characteristics in wavelength division multiplexing optical communication system |
| 09/06/2001 | US20010019102 Light reception circuit capable of receiving large level optical signal |
| 09/06/2001 | DE10049769A1 Optical signal to noise ratio measuring device for optical communication, measures stoke parameter for calculating strength of signal and noise from the output of distributor |
| 09/06/2001 | DE10009209A1 Device for generating, adding and subtracting digital sequences of optical pulses has interferometer with at least one electrooptical switch or modulator |
| 09/05/2001 | EP1130942A2 Integration of all-optical crossconnect functionality in an optical packet switching apparatus |
| 09/05/2001 | EP1130841A1 Method and apparatus for TDM/TDMA communications |
| 09/05/2001 | EP1130835A1 Wavelength division multiplexing transmission system with asymmetric filtering |
| 09/05/2001 | EP1130830A2 Data transmission method over a dispersive optical waveguide |
| 09/05/2001 | EP1130829A2 Dispersion compensation in optical fibre transmission |
| 09/05/2001 | EP1130828A2 An optical transmission line and optical transmission system with dispersion compensation |
| 09/05/2001 | EP1130827A2 WDM system with polarisation mode dispersion control |
| 09/05/2001 | EP1130826A2 Broad band optical amplifier using free space demultiplexing |
| 09/05/2001 | EP1130825A2 Raman amplified optical transmission system with reduction of four wave mixing effect |
| 09/05/2001 | EP1130824A2 Optical transmission line with Raman amplification |
| 09/05/2001 | EP1130823A1 Optical amplifier and optical wavelength division multiplexing communication system |
| 09/05/2001 | EP1130822A1 Method and apparatus for stabilizing transient control in amplified optical networks |
| 09/05/2001 | EP1130821A2 Bidirectional, low noise, optical amplifier |
| 09/05/2001 | EP1130820A2 Optical amplification method for two wavelength subbands |
| 09/05/2001 | EP1130819A1 Method and device for determining gain tilt in optical amplifiers with measurement of the total gain |
| 09/05/2001 | EP1130818A1 Optical communication system |
| 09/05/2001 | EP1130817A2 Optical modulator including a self optimized RF input driver |
| 09/05/2001 | EP1130816A2 System and method for optical heterodyne detection of an optical signal |
| 09/05/2001 | EP1130815A2 Wavelength-selective polarization-diverse optical heterodyne receiver |
| 09/05/2001 | EP1130814A2 System and method for heterodyne detection of an optical signal |
| 09/05/2001 | EP1130813A2 Method and system for optical heterodyne detection using optical attenuation |
| 09/05/2001 | EP1130811A2 A flexible, redundant satellite signal generator system |
| 09/05/2001 | EP1130810A2 A shared-optical satellite acquisition and tracking system |
| 09/05/2001 | EP1130809A2 Satellite optical communication acquisition techniques |
| 09/05/2001 | EP1130808A2 Method and apparatus for automatic tracking of an optical signal in a wireless optical communication system |
| 09/05/2001 | EP1130807A2 Communication equipment for free space optical signal |
| 09/05/2001 | EP1130806A2 A system and method for optically testing broadcasting systems |
| 09/05/2001 | EP1130805A1 Method and arrangement to reduce light leakage in an optical system |
| 09/05/2001 | EP1130804A1 Optical transmission system automatic laser shut down |
| 09/05/2001 | EP1130802A1 Power stabilisation in an optical communication system |
| 09/05/2001 | EP1130708A1 Semiconductor electro-absorption optical modulator integrated light emitting element and module, and optical transmission system |
| 09/05/2001 | EP1130705A2 Reduction of four-wave mixing in Raman amplified optical transmission systems |
| 09/05/2001 | EP1130704A2 Optical communication system with Raman amplification |
| 09/05/2001 | EP1130557A2 Machine tool probe with wireless signal transmission |
| 09/05/2001 | EP1130445A2 An optical system providing concurrent detection of a calibration signal and a test signal in an optical spectrum analyzer |
| 09/05/2001 | EP1130432A2 Tunable optical add/drop filter and method |
| 09/05/2001 | EP1129535A2 System for dealing with faults in an optical link |
| 09/05/2001 | EP1129531A1 Optical transmission apparatuses, methods, and systems |
| 09/05/2001 | EP1088255A4 Modulating retroreflector using multiple quantum well technology |
| 09/05/2001 | EP1072026A4 CONCURRENT DISPLAY AND DATA COMMUNICATING USING LEDs |
| 09/05/2001 | EP0965223A4 Satellite distributed television |
| 09/05/2001 | EP0919005B1 Optical multiplexer/demultiplexer |
| 09/05/2001 | CN2446722Y Electromagnetic field internal shielding device of infrared receiver |
| 09/05/2001 | CN2446635Y Voice miniature remote controlled radio recorder |
| 09/05/2001 | CN1311910A Thermal tuning of optical amplifiers in WDM system |
| 09/05/2001 | CN1311577A Method and device for stable and transient control in amplified optical network |
| 09/05/2001 | CN1311571A Radio frequency modular and moving target vertification modular |
| 09/05/2001 | CN1311569A TDM-TDMA communication method and equipment |
| 09/05/2001 | CN1070664C Receiving system having a large dynamic range |
| 09/04/2001 | US6285857 Multi-hop telecommunications system and method |
| 09/04/2001 | US6285810 Tunable add/drop optical device |
| 09/04/2001 | US6285809 Wraparound optical switch matrix |
| 09/04/2001 | US6285487 Light modulation system including a superconductive plate assembly for use in a data transmission scheme and method |
| 09/04/2001 | US6285481 Free-space laser communications error control system |
| 09/04/2001 | US6285480 Method and an amplifier unit for the transmission of data signals via an optical fiber |
| 09/04/2001 | US6285479 Optical cross connect unit, optical add-drop multiplexer, light source unit, and adding unit |
| 09/04/2001 | US6285478 Programmable optical add/drop device |
| 09/04/2001 | US6285476 Laser communication system and methods |
| 09/04/2001 | US6285475 Method and system for detecting optical faults in a network fiber link |
| 09/04/2001 | US6285473 Polarization control optical space switch |