| 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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| 07/05/2000 | EP1016235A2 Wavelength-selective optical switching apparatus |
| 07/05/2000 | EP1016229A1 Optical amplifier with gain adjustment |
| 07/05/2000 | EP1016079A1 System and method to compensate for data defects within a magneto-optical computer memory device |
| 07/05/2000 | EP1015810A1 A method for optically marking an elongated indication path and devices using same |
| 07/05/2000 | EP0901615A4 Method and apparatus for monitoring the state of a liquid-crystal polarization modulator |
| 07/05/2000 | EP0896687A4 Optical network unit (onu) mechanical enclosure |
| 07/05/2000 | EP0872050A4 Full duplex optical modem for broadband access network |
| 07/05/2000 | EP0653136B1 Method and apparatus for providing power to a coaxial cable network |
| 07/05/2000 | CN2386459Y Slow storage device for light pulse signal |
| 07/05/2000 | CN1259247A 1XN digitally programmable optical routing switch |
| 07/05/2000 | CN1258972A Transmission system and used station unit and long-distance unit in it |
| 07/05/2000 | CN1258970A Interoffice channel signal transmission unit in wave division multiplex system |
| 07/05/2000 | CN1258969A 4 optical fibre bidirectional circuit change ring network system in valve division multiplex system |
| 07/04/2000 | US6084996 Broadband long-period gratings |
| 07/04/2000 | US6084993 Optical transmission link for division multiplex transmission, and optical fiber constituting the link |
| 07/04/2000 | US6084992 Arrangement and method relating to optical transmission |
| 07/04/2000 | US6084894 Stabilized DFB laser |
| 07/04/2000 | US6084704 Crosstalk suppression in a multipath optical amplifier |
| 07/04/2000 | US6084694 WDM optical network with passive pass-through at each node |
| 07/04/2000 | US6084478 Transimpedance amplifier with automatic gain control |
| 07/04/2000 | US6084233 Optical sensor array having multiple rungs between distribution and return buses and having amplifiers in the buses to equalize return signals |
| 06/30/2000 | CA2293512A1 Automatic protection system for an optical transmission system |
| 06/29/2000 | WO2000038356A1 Optical system and method having low loss and non-linear effects |
| 06/29/2000 | WO2000037977A1 Optical fiber for metropolitan and access network systems |
| 06/29/2000 | WO2000036979A1 Optical high speed communications for computer tomograph |
| 06/29/2000 | WO1998047039A3 Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks |
| 06/29/2000 | DE19962605A1 Infrared communications IC for electronic device e.g. digital photographic camera, personal computer or portable data terminal, has protocol circuit connected to input/output interface controlling modulation and demodulation circuits |
| 06/29/2000 | DE19844809C1 Verfahren zum Versorgen eines Gebietes mit Informationen sowie Informationssystem zur Durchführung des Verfahrens A method for providing a region with information, and information system for performing the method |
| 06/28/2000 | EP1014611A2 Method and apparatus for optimizing, in the presence of failure, the availability of low-priority channels in a transmission fiber optic transoceanic MS-SP ring |
| 06/28/2000 | EP1014607A1 Method for reducing intensity distortions caused by cross-phase modulation in an optical WDM transmission system |
| 06/28/2000 | EP1014606A2 Optical transmission system and terminal station thereof |
| 06/28/2000 | EP1014605A1 Optical coding system for a series of impulses |
| 06/28/2000 | EP1014604A1 Method and apparatus for producing an error signal in coherent heterodyne reception of lightwaves |
| 06/28/2000 | EP1014603A2 Method for detecting and locating a break in a synchronous digital hierarchy (SDH) optical link system |
| 06/28/2000 | EP1014602A2 Method of re-routing the path between a node of a transoceanic MS-spring and a node of a further ring in case of simple or multiple failure, and transoceanic ring for implementing the method |
| 06/28/2000 | EP1014600A2 Information system and operation method |
| 06/28/2000 | EP1014595A1 Optical amplification relay system |
| 06/28/2000 | EP1014492A2 Antenna system and method for controlling antenna system |
| 06/28/2000 | EP1014133A2 Bidirectional optoelectronic transceiver module |
| 06/28/2000 | EP1013110A1 Interconnection system for optical networks |
| 06/28/2000 | EP1013022A1 Arrangement and method relating to optical transmission |
| 06/28/2000 | EP1013021A1 Dynamic optical amplifier |
| 06/28/2000 | EP1013012A1 Communications system with star topology |
| 06/28/2000 | EP1013011A1 Method and apparatus for laser communication through a lossy medium |
| 06/28/2000 | EP1012646A1 Method and apparatus for combining add/drop optical signal lines from a plurality of branching units |
| 06/28/2000 | EP1012643A4 High channel density wavelength division multiplex (wdm) optical transmission system with negligible four-wave mixing (fwm) penalty |
| 06/28/2000 | EP1012643A1 High channel density wavelength division multiplex (wdm) optical transmission system with negligible four-wave mixing (fwm) penalty |
| 06/28/2000 | EP0868794B1 Dispersion slope compensation in optical transmission systems |
| 06/27/2000 | US6081636 Wavelength division multiplexing optical transmission device and wavelength division multiplexing optical transmission system |
| 06/27/2000 | US6081632 Method of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit board |
| 06/27/2000 | US6081539 Tunable laser source apparatus having wideband oscillation wavelength continuous sweep function |
| 06/27/2000 | US6081368 Optical amplifier for bi-directional WDM optical communications systems |
| 06/27/2000 | US6081366 Optical fiber communication system with a distributed Raman amplifier and a remotely pumped er-doped fiber amplifier |
| 06/27/2000 | US6081362 Optical receiver capable of responding to both burst and continuous signals |
| 06/27/2000 | US6081361 Sub-carrier multiplexing in broadband optical networks |
| 06/27/2000 | US6081360 Method and apparatus for optimizing dispersion in an optical fiber transmission line in accordance with an optical signal power level |
| 06/27/2000 | US6081359 Transmitting apparatus and receiving apparatus for wavelength-division-multiplex signal transmission |
| 06/27/2000 | US6081358 Electrooptic modulator for frequency translation applications |
| 06/27/2000 | US6081357 Optical communication network system with wavelength-based signal distribution |
| 06/27/2000 | US6081356 Integrated optical ports |
| 06/27/2000 | US6081355 Multi-wavelength light source |
| 06/27/2000 | US6079882 Optical combiner for redundant optical paths in seismic data transmission |
| 06/27/2000 | CA2182384C Optical time domain reflectometry |
| 06/27/2000 | CA2179789C Integrated-circuit optical network unit |
| 06/27/2000 | CA2156759C Synchronous polarization and phase modulation for improved performance of optical transmission systems |
| 06/22/2000 | WO2000036777A1 Circuit for suppressing noise and distortion in linear fiber optic links |
| 06/22/2000 | WO2000022479B1 Optical filter, adjustable add-drop-continue module and circuit for bundled cross-connect functionality |
| 06/22/2000 | WO2000021224A3 Array and method for monitoring the performance of dwdm multiwavelenght systems |
| 06/22/2000 | CA2282157A1 Method and device for generating an error signal in connection with the coherent heterodyne reception of lightwaves |
| 06/21/2000 | EP1011221A2 An apparatus and method for making transmission characteristics uniform in a wavelength division multiplexing optical communications system |
| 06/21/2000 | EP1011218A2 Optical transmitter and optical transmission system |
| 06/21/2000 | EP1011217A2 Optical repeater |
| 06/21/2000 | EP1011216A1 Optical fiber transmission system including a reception filter with tunable bandwidth |
| 06/21/2000 | EP1011215A2 Optical communication system combining both baseband and passband signals |
| 06/21/2000 | EP1011214A2 Device for position determination of an optical beam |
| 06/21/2000 | EP1011213A2 Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light |
| 06/21/2000 | EP1011194A2 High speed differential optoelectronic receiver |
| 06/21/2000 | EP1010281A1 Producing laser light of different wavelengths |
| 06/21/2000 | EP1010280A1 Hitless reconfiguration of a wavelength division multiplexed optical communication network |
| 06/21/2000 | EP1010268A1 Dispersion compensating element having substantially uniform spectral nonlinearity |
| 06/21/2000 | EP1010026A1 Dispersion compensating waveguide for optical transmission systems |
| 06/21/2000 | EP0748542B1 Method and apparatus for optical wireless communication |
| 06/21/2000 | DE19858450A1 Informationssystem und Verfahren zu dessen Betreibung Information System and method for its prosecution |
| 06/21/2000 | DE19857974A1 Einrichtung Equipment |
| 06/21/2000 | DE19839997C1 Elektronische Schaltungsanordnung Electronic circuitry |
| 06/21/2000 | CN2384376Y Infrared remote-controlled lamps and lanterns device |
| 06/21/2000 | CN1257600A System and method to compensate data defects within a magneto-optical computer memory device |
| 06/21/2000 | CN1257216A Wave division multiuse erbium-doped optical fiber amplifier having constant power output in each channel and amplifying method |
| 06/21/2000 | CN1257215A Optical fiber amplifier and transmission system with same |
| 06/21/2000 | CN1053744C Optical switching device |
| 06/21/2000 | CA2292276A1 Process for reducing intensity distortions induced by cross- phase modulation in a wavelength-multiplexed fibre optics transmission system and unit for implementing the process |
| 06/20/2000 | US6078877 Method for optically transmitting signals in measurement units and measurement system employing the optical transmission method |
| 06/20/2000 | US6078709 Method and apparatus for monitoring multi-wavelength optical systems |
| 06/20/2000 | US6078597 Method and apparatus for optical signal processing by photo-induced loss and/or gain gratings |
| 06/20/2000 | US6078422 Optical amplifier unit control methods optical amplifier systems and systems which use the methods and amplifier systems |
| 06/20/2000 | US6078418 Wavelength locking of variable dispersive elements |
| 06/20/2000 | US6078417 Spectral compaction via cross-modulation wavelength conversion |
| 06/20/2000 | US6078416 Optical regenerative repeater |
| 06/20/2000 | US6078415 Network system for communication with plural channels, node device and concentrator for use therein, and communication method for said network system |
| 06/20/2000 | US6078414 Optical transmitter system |