| 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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| 09/21/1999 | US5956165 Method and apparatus for updating subcarrier modulation in a communication network |
| 09/21/1999 | US5955975 Apparatus and associated method for recovering lost break codes for wireless keyboards |
| 09/21/1999 | CA2168811C Multichannel optical fiber communications |
| 09/21/1999 | CA2061919C Optical switch and switching module therefor |
| 09/19/1999 | CA2264421A1 Optical fiber amplifier and optical amplification device for bidirectional optical transmission using the optical fiber amplifier |
| 09/18/1999 | CA2263053A1 Differential optical signal receiver |
| 09/16/1999 | WO1999046853A1 Amplifying circuit and optical receiver comprising the same |
| 09/16/1999 | WO1999046752A1 Device for displaying alphanumeric characters and/or graphic symbols |
| 09/16/1999 | WO1999035767A3 High power optical receiver |
| 09/16/1999 | DE19810683A1 Alphanumeric symbol display |
| 09/15/1999 | EP0942549A2 Optical demultiplexer filter system to eliminate crosstalk sidelobes |
| 09/15/1999 | EP0942548A2 Trunk apparatus of a wavelength-division-multiplexing communication system for controlling a gain of an optical amplifier provided therein |
| 09/15/1999 | EP0942545A2 Power supply during stand-by-mode |
| 09/15/1999 | EP0942544A1 A method to provide a management channel, a line terminator, a first network terminator card and a second network terminator card realizing such a method |
| 09/15/1999 | EP0942501A2 Optical fiber light amplifier |
| 09/15/1999 | EP0942472A2 Distributed photodiode and integrated circuit comprising said photodiode and an infrared receiver |
| 09/15/1999 | EP0942317A1 Optical signal processing apparatus and method |
| 09/15/1999 | EP0942265A2 Spectrometer for monitoring telecommunications signals |
| 09/15/1999 | EP0941587A1 Optical transmission system with coherent optical time domain reflectometry |
| 09/15/1999 | EP0870208A4 Fiber optic system with simultaneous switching and raman |
| 09/15/1999 | EP0787390B1 All-optical processing in communications systems |
| 09/15/1999 | EP0776491B1 Polarization independent optical directional coupler wavelength tunable filters/receivers |
| 09/15/1999 | CN1228646A Optic repeater system for extending coverage |
| 09/14/1999 | US5953690 Intelligent fiberoptic receivers and method of operating and manufacturing the same |
| 09/14/1999 | US5953470 Circuit for optical WDM system |
| 09/14/1999 | US5953353 Article comprising an improved rare earth-doped optical fiber laser |
| 09/14/1999 | US5953146 Method and apparatus for tracking alignment in wireless optical communications |
| 09/14/1999 | US5953145 Multiple light path arrangement |
| 09/14/1999 | US5953144 To download information from a microprocessor controlled system |
| 09/14/1999 | US5953143 Transmission system |
| 09/14/1999 | US5953140 Electrical domain improvement of optically filtered signals |
| 09/14/1999 | US5953138 All-optical processing in communications systems |
| 09/14/1999 | US5952883 Circuit arrangement for amplifying an electrical signal converted from an optical signal |
| 09/14/1999 | CA2179186C Passive optical network for video on demand |
| 09/14/1999 | CA2140082C Laser control arrangement for tuning a laser |
| 09/14/1999 | CA2135327C Large capacity multi-access wavelength division multiplexing packet network |
| 09/14/1999 | CA2118616C Optical network based on remote interrogation of terminal equipment |
| 09/12/1999 | CA2262764A1 Spectrometer for monitoring optical telecommunications signals |
| 09/10/1999 | WO1999045738A1 Optical add/drop wavelength switch |
| 09/10/1999 | WO1999045665A1 Hybrid picocell communication system |
| 09/10/1999 | WO1999045664A1 High bandwidth communication systems for large buildings |
| 09/10/1999 | WO1999045663A1 Testing of optical transmitter and receiver modules |
| 09/10/1999 | WO1999045662A1 Method and device for controlling the disconnection and reconnection of an optical connection |
| 09/10/1999 | WO1999045612A1 Coupled cavity laser source for telecommunications |
| 09/10/1999 | WO1999045420A1 An optical device for dispersion compensation |
| 09/10/1999 | WO1999014879A3 Wavelength-selective optical switching apparatus |
| 09/10/1999 | WO1998057248A3 Method and apparatus for detecting the presence of a remote device and providing power thereto |
| 09/10/1999 | CA2322325A1 An optical device for dispersion compensation |
| 09/10/1999 | CA2322300A1 Hybrid picocell communication system |
| 09/10/1999 | CA2321682A1 Testing of optical transmitter and receiver modules |
| 09/10/1999 | CA2320723A1 Optical add/drop wavelength switch |
| 09/09/1999 | DE19859230A1 Optical wavelength light path deflection arrangement for an optical transmission or communications system |
| 09/09/1999 | DE19809667A1 Verfahren und Vorrichtung zur Steuerung der Abschaltung und Wiedereinschaltung eines an ein optisches Leitungsstück angeschlossenen optischen Senders Method and apparatus for controlling the disconnecting and reconnecting a terminal connected to an optical conductor piece optical transmitter |
| 09/09/1999 | DE19809366A1 Receiver for receiving optical signals from optical communications network |
| 09/09/1999 | DE19809365A1 Receiver for optical signals with distortion effect compensation in optical transmission system subject to distortion by the fiber effect |
| 09/09/1999 | DE19808004A1 Component for bi-directional, wireless optical data transmission |
| 09/09/1999 | DE19807189A1 Bidirectional module with optoelectronic signal wavelength converter for optical transmission communication signalling |
| 09/08/1999 | EP0940940A2 Transmission method and communication system thereof |
| 09/08/1999 | EP0940030A1 Opsistor image processor |
| 09/08/1999 | EP0939955A1 Flying optical head with dynamic mirror |
| 09/08/1999 | EP0939885A1 A method and an optical receiver for measuring optical power |
| 09/08/1999 | EP0916198A4 Fault-tolerant optical routing switch |
| 09/08/1999 | EP0745293B1 Optical time domain reflectometry |
| 09/08/1999 | EP0572457B1 Optical communications system and method for transmitting information through a single optical waveguide |
| 09/08/1999 | CN1228220A Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 09/07/1999 | US5949931 Optical coupler |
| 09/07/1999 | US5949926 Minimum phase dispersion compensator |
| 09/07/1999 | US5949925 Method, device, and system for optical modulation in wavelength division multiplexing |
| 09/07/1999 | US5949777 Wireless communication processor system |
| 09/07/1999 | US5949573 Tunable wavelength converter |
| 09/07/1999 | US5949567 Self adjusting tuned resonant photodiode input circuit |
| 09/07/1999 | US5949566 Optical transmitter |
| 09/07/1999 | US5949564 Used as a hybrid optical and radio communications system |
| 09/07/1999 | US5949563 Wavelength division multiplexing transmitter receiver, optical transmission system, and redundant system switching method |
| 09/07/1999 | US5949560 Optical transmission system |
| 09/07/1999 | US5949225 Adjustable feedback circuit for adaptive opto drives |
| 09/07/1999 | US5949085 Ratiometric compensated optical isolation coupler |
| 09/07/1999 | US5949064 Opsistor image processor with a reference detector and a reference image |
| 09/07/1999 | CA2181811C Wdm network with control wavelength |
| 09/03/1999 | CA2264313A1 Method of transmitting data, corresponding communication system and telecommunication network |
| 09/03/1999 | CA2252066A1 Quantum-optical amplifiers for optical free-space communications systems |
| 09/02/1999 | WO1999044336A1 Information processing apparatus, and computer-readable medium |
| 09/02/1999 | WO1999044317A2 Protection of wdm-channels |
| 09/02/1999 | WO1999044298A2 Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems |
| 09/02/1999 | WO1999013588A9 Optimizing launch points for dispersion-managed solitons |
| 09/01/1999 | EP0939509A2 Wavelength division multiplexing optical transmission system |
| 09/01/1999 | EP0939504A2 Infrared signal receiver with attenuating circuit |
| 09/01/1999 | EP0939503A2 Optical communication system and optical reception apparatus using synchronous polarization scrambler |
| 09/01/1999 | EP0939466A2 Light source with WDM function, and optical amplifier and two-way optical transmission applied therewith |
| 09/01/1999 | EP0939465A2 Light-source with WDM function, and optical amplifier and two-way optical transmission applied therewith |
| 09/01/1999 | CN1227446A Channel monitoring apparatus in wavelength division multiplexing system |
| 08/31/1999 | US5946438 Device for both-way transposition between optical signals and electrical signals, for a communications system |
| 08/31/1999 | US5946430 To an optical transmission line |
| 08/31/1999 | US5946428 Fiber optic system with simultaneous switching and raman |
| 08/31/1999 | US5946121 IrDA data link with VCSEL light source |
| 08/31/1999 | US5946120 Wireless communication system with a hybrid optical and radio frequency signal |
| 08/31/1999 | US5946119 Wavelength division multiplexed system employing optimal channel modulation |
| 08/31/1999 | US5946118 Communication collision detection |
| 08/31/1999 | US5946117 Optical soliton telecommunication system with dispersion-shifted optical fibre |
| 08/31/1999 | US5946116 1 X N digitally programmable optical routing switch |