| 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) |
|---|
| 04/03/2001 | US6211985 Remote monitoring of an optical transmission system using line monitoring signals |
| 04/03/2001 | US6211984 Clipping distortion controlling circuits |
| 04/03/2001 | US6211983 Optical communication network unit comprising an optical signal converting apparatus and/or an optical signal receiving apparatus |
| 04/03/2001 | US6211981 Optical wavelength multiplex transmission system using repeaters |
| 04/03/2001 | US6211980 Bi-directional wavelength switching device and wavelength demultiplexing/multiplexing device |
| 04/03/2001 | US6211979 Optical switching device having recirculating structure and optical switching method therefor |
| 04/03/2001 | US6211978 Multi-channel wave division multiplexer system |
| 04/03/2001 | US6211797 Infrared communication control apparatus and method |
| 04/03/2001 | CA2220244C Method of and device for controlling the phase of a clock signal in a point-to-point optical transmission |
| 04/03/2001 | CA2196514C Transmission control method in network system for signal transmission by plural channels and network system therefor |
| 03/29/2001 | WO2001022629A1 All-optical network with passive wavelength routers |
| 03/29/2001 | WO2001022628A1 Channel gain control for an optical communications system utilizing frequency division multiplexing |
| 03/29/2001 | WO2001022627A1 Method and system to reduce fwm penalty in nrz wdm systems |
| 03/29/2001 | WO2001022626A1 Amplification for optical fibre ultrawide band transmission systems |
| 03/29/2001 | WO2001022625A1 Optical transmission system with dispersion compensation units |
| 03/29/2001 | WO2001022624A1 Optical performance monitor |
| 03/29/2001 | WO2001022134A1 Optical transmission line |
| 03/29/2001 | WO2001003350A8 Wdm optical transmitter |
| 03/29/2001 | WO2000077956A8 Method and apparatus of utilizing rf/microwave mixing techniques to select a given band of an optical transmission |
| 03/29/2001 | WO2000072480A3 Light amplification apparatus with automatic monitoring and controls |
| 03/29/2001 | DE19946139A1 Free space transmission device for optical signal telecommunication uses waves in specified wavelength range to increase safety |
| 03/29/2001 | DE19941678A1 Kommunikationssystem mit Kommunikationsnetz und Informationsempfänger und einzelner Informationsempfänger Communication system with communication networks and information recipients and individual information receiver |
| 03/29/2001 | DE19940818A1 Verfahren zur Steuerung der Leistung von WDM-Einzelsignalen A method for controlling the power of WDM signals single |
| 03/29/2001 | DE19939540A1 Verfahren zum Übertragen eines Informationssignals A method for transmitting an information signal |
| 03/29/2001 | DE19938996A1 Anordnung zum Abzweigen von optischen Signalen Arrangement for branching optical signals |
| 03/29/2001 | DE10012624A1 Signal transmission device for optoelectric computer network has lens which divides beam into multiple optical signal beams and deformable mirror array for directing to optical fibres |
| 03/29/2001 | CA2385545A1 Method and system to reduce fwm penalty in nrz wdm systems |
| 03/29/2001 | CA2385356A1 Optical transmission system |
| 03/29/2001 | CA2321439A1 Optical amplifying unit and optical transmission system |
| 03/29/2001 | CA2319964A1 Optical power limiter |
| 03/28/2001 | EP1087561A2 Device for extracting and inserting optical carriers in optical communications networks |
| 03/28/2001 | EP1087556A1 Power splitter for optical networks |
| 03/28/2001 | EP1087555A1 Device for limiting the noise in the "zeros" of optical RZ signals |
| 03/28/2001 | EP1087554A1 Optical regenerator limiting the noise in the zeros of a RZ signal |
| 03/28/2001 | EP1087553A1 Optical regenerator for WDM signals |
| 03/28/2001 | EP1087552A2 Wavelength dispersion compensating method and optical transmission system |
| 03/28/2001 | EP1087551A2 Optical transmission system, optical transmission line and optical transmitter |
| 03/28/2001 | EP1087550A1 Method and device for providing optical amplification |
| 03/28/2001 | EP1087549A1 Wdm optical communication system |
| 03/28/2001 | EP1087548A2 Use of mode-coupled optical fiber in communications systems |
| 03/28/2001 | EP1087547A2 Terminal design for a WDM system with in-line semiconductor optical amplifiers |
| 03/28/2001 | EP1087475A1 L-band optical fiber amplifier |
| 03/28/2001 | EP1087474A2 High power, multi-stage doped optical amplifier |
| 03/28/2001 | EP1087256A2 Optical modulator |
| 03/28/2001 | EP1087246A1 Arrayed waveguide grating and temperature compensation |
| 03/28/2001 | EP1087245A2 Arrangement for mitigating first-order and second-order polarization mode dispersion in optical fiber communication systems |
| 03/28/2001 | EP1086543A1 Method and multi-wavelength selective switch for switching and redirection of optical wavelengths |
| 03/28/2001 | EP1086539A2 An optical wdm network having an efficient use of wavelengths and a node therefor |
| 03/28/2001 | EP1086534A1 Communication system transceivers with data bypass and power saving features |
| 03/28/2001 | CN1289191A Optical path converting method and device with piezoelectric bicrystal vibrator |
| 03/27/2001 | US6208867 Portable terminal system, option apparatus for portable terminal unit, and method for connecting portable terminal unit and option apparatus for portable terminal unit |
| 03/27/2001 | US6208840 Handy phone with an infrared communication capability |
| 03/27/2001 | US6208780 System and method for optical monitoring |
| 03/27/2001 | US6208778 Non-perpendicular optical paths for a crosstalk-inhibiting switching arrangement |
| 03/27/2001 | US6208672 Optical pulse source |
| 03/27/2001 | US6208458 Quasi-phase-matched parametric chirped pulse amplification systems |
| 03/27/2001 | US6208446 Optical detector system and optical communication apparatus including same |
| 03/27/2001 | US6208445 Apparatus for wireless optical transmission of video and/or audio information |
| 03/27/2001 | US6208441 Optical add/drop wavelength division multiplex systems |
| 03/27/2001 | US6208440 Optical wavelength filter and optical demultiplexer |
| 03/27/2001 | US6207949 Method and apparatus for stabilizing attenuators in optical networks |
| 03/27/2001 | US6206578 Connection assembly of computer and port replicator |
| 03/27/2001 | CA2317929A1 System for limiting optical rz signal noise in zeros |
| 03/27/2001 | CA2210922C Method and apparatus for tracking alignment in wireless optical communications |
| 03/27/2001 | CA2209558C Wavelength monitoring and control assembly for wdm optical transmission systems |
| 03/27/2001 | CA2054337C Apparatus and method for externally modulating an optical carrier |
| 03/24/2001 | CA2319963A1 Optical regenerator for rz signals limiting noise in zeros |
| 03/24/2001 | CA2319927A1 Fibre optics optical amplifier |
| 03/24/2001 | CA2319906A1 A terminal design for a wdm system with in-line semiconductor optical amplifiers |
| 03/24/2001 | CA2319280A1 High power, multi-stage doped optical amplifier |
| 03/23/2001 | CA2319961A1 Wavelength division multiplexed optical signal regenerator |
| 03/23/2001 | CA2316489A1 Device for extracting and inserting optical carriers in optical communications networks |
| 03/23/2001 | CA2316123A1 Method for conveying a location of a product within a defined (retail) environment |
| 03/22/2001 | WO2001020835A1 Optical fiber ring communication system |
| 03/22/2001 | WO2001020821A1 Optical amplifier and optical wavelength division multiplexing communication system |
| 03/22/2001 | WO2001020820A1 Wdm optical communication system |
| 03/22/2001 | WO2001020819A1 Apparatus and methods for extracting two distinct frequency bands from light received by a photodiode |
| 03/22/2001 | WO2001020509A1 Electronic wallet |
| 03/22/2001 | WO2001020452A1 Protocol and bit rate independent test system |
| 03/22/2001 | CA2318614A1 Power splitter for optical networks |
| 03/21/2001 | EP1085696A1 Method and system for road vehicle communication |
| 03/21/2001 | EP1085683A1 WDM optical communication system |
| 03/21/2001 | EP1085678A2 Radio communication system with variable beam-pattern antenna array |
| 03/21/2001 | EP1084541A2 Method and apparatus for bit synchronization in optical communication and networking systems |
| 03/21/2001 | EP1084537A1 Method and apparatus for automatically identifying system faults in an optical communications system from repeater loop gain signatures |
| 03/21/2001 | CN1288303A Infrared teaching aid system and its installing mode |
| 03/21/2001 | CN1288172A Optical amplification device, optical emitting device, optical transfering system and optical amplification method |
| 03/20/2001 | US6205502 Universal serial bus compatible peripheral device and universal serial bus controller which automatically switches between connection and disconnection of computer |
| 03/20/2001 | US6205278 Multifiber cabling system |
| 03/20/2001 | US6205268 Arrangement of optical fiber segments for minimizing effect of nonlinearities |
| 03/20/2001 | US6204960 Quasi-distributed amplification in a fiber optic soliton signal transmission system |
| 03/20/2001 | US6204959 Signal light monitor and optical amplifier using the same |
| 03/20/2001 | US6204958 Optical amplifier having a substantially flat gain spectrum |
| 03/20/2001 | US6204956 Opto-electronic frequency divider circuit and method of operating same |
| 03/20/2001 | US6204949 Method and device for extracting a timing signal |
| 03/20/2001 | US6204948 Media converter |
| 03/20/2001 | US6204947 Multi-stage optical commutator |
| 03/20/2001 | US6204945 Signal light outputting apparatus and optical transmission system having signal light outputting apparatus |
| 03/20/2001 | US6204810 Communications system |
| 03/20/2001 | US6204718 Method and apparatus for generating second-order predistortion without third-order distortion |