| 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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| 04/11/2002 | WO2001080462A3 System and method for adjusting transmission power of respective light beams in a wavelength-division multiplexed network |
| 04/11/2002 | WO2001071959A3 Method and system of transmitting optical signals generated by multi-line sources via wdm optical network |
| 04/11/2002 | WO2001007944A3 Optical coupling device |
| 04/11/2002 | US20020041747 Optical system and method having low loss and non-linear effects |
| 04/11/2002 | US20020041736 Optical dispersion compensator |
| 04/11/2002 | US20020041735 Multiple grating optical waveguide monitor |
| 04/11/2002 | US20020041731 Two-way optical communication device, two-way optical communication system, and method for assembling two-way optical communication device |
| 04/11/2002 | US20020041728 Optical transmission system and terminal device applicable to the system |
| 04/11/2002 | US20020041727 Switch for optical signals |
| 04/11/2002 | US20020041618 Method, device, and system for processing optical signal |
| 04/11/2002 | US20020041611 Method and system for locking transmission wavelengths for lasers in a dense wavelength division multiplexer utilizing a tunable etalon |
| 04/11/2002 | US20020041435 Cascadable optical amplifier arrangement |
| 04/11/2002 | US20020041433 Method for gain equalization, and device and system for use in carrying out the method |
| 04/11/2002 | US20020041432 Wavelength division multiplexing optical amplifier with function of gain-equalizing and optical communication system |
| 04/11/2002 | US20020041431 Optical amplifying apparatus and optical communication system |
| 04/11/2002 | US20020041430 Raman amplification |
| 04/11/2002 | US20020041429 Optical amplification apparatus utilizing raman amplification and controlling method thereof |
| 04/11/2002 | US20020041428 Format insensitive and bit rate independent optical preprocessor |
| 04/11/2002 | US20020041422 Apparatus for optical wavelength conversion |
| 04/11/2002 | US20020041417 Burst mode optical receiver using multi-stage feedback |
| 04/11/2002 | US20020041416 Multi wavelength communication apparatus |
| 04/11/2002 | US20020041415 Optical communications system and transmission section repair method |
| 04/11/2002 | US20020041414 Output monitor/control apparatus and optical communication system |
| 04/11/2002 | US20020041409 Maintenance system and method for an optical switch fabric |
| 04/11/2002 | US20020041408 Optical signal converter from RZ format to NRZ format |
| 04/11/2002 | US20020040980 Bit-rate and format insensitive all-optical clock extraction circuit |
| 04/11/2002 | DE10047181A1 Bidirectional optical data transmission system has network node and subscriber transceivers for data exchange between data network and information processing terminal |
| 04/11/2002 | CA2429276A1 System and method for communicating optical signals between a data service provider and subscribers |
| 04/11/2002 | CA2424874A1 Raman amplification |
| 04/11/2002 | CA2421711A1 Pump amplitude modulation for distributed raman amplifier |
| 04/10/2002 | EP1195940A1 A method of synchronising optical signals, optical synchronising devices and an optical network node therefor |
| 04/10/2002 | EP1195939A1 Redundant optical multiple-branch communication system |
| 04/10/2002 | EP1195928A2 Multi-wavelength communication apparatus |
| 04/10/2002 | EP1195927A2 System and method for optical heterodyne detection of an optical signal including optical preselection that is adjusted to accurately track a local oscillator signal |
| 04/10/2002 | EP1195926A1 Method and apparatus for controlling received power levels within a free space optical communication system |
| 04/10/2002 | EP1195925A2 Light-emitting diode driving circuit and optical transmission module using the same |
| 04/10/2002 | EP1195627A2 Optical fiber and optical transmission line using this optical fiber |
| 04/10/2002 | EP1044487B1 An integrated optical transceiver |
| 04/10/2002 | EP0868781B1 Electrical isolation between ir receiver and further electronic circuits |
| 04/10/2002 | EP0761050B1 Optical packet processing |
| 04/10/2002 | CN2485874Y Compact multichannel intensive wavelength division multiplexer |
| 04/10/2002 | CN2485873Y Photoelectric receiving/emitting device |
| 04/10/2002 | CN2485872Y Optical receiving/emitting module set |
| 04/10/2002 | CN1344447A Radio frequency receiver circuit |
| 04/10/2002 | CN1344077A Timing circuit of multiplex/demultiplex optical communicating signal |
| 04/10/2002 | CN1082753C Method and appts. for transmitting wavelength division multiplexed (WDM) signal to reduce effects of stimulated brillounin scattering (SBS) |
| 04/09/2002 | US6370300 Optical communication system incorporating automatic dispersion compensation modules |
| 04/09/2002 | US6370294 Fiber optic circuit and module with switch |
| 04/09/2002 | US6370286 Tunable periodic filter |
| 04/09/2002 | US6369938 Multi-wavelength light amplifier |
| 04/09/2002 | US6369926 Multichannel light source wavelength and strength stabilizing apparatus and method thereof |
| 04/09/2002 | US6369923 Multiwavelength stabilization with a single reference comb filter in DWDM systems |
| 04/09/2002 | US6369922 Wavelength division multiplex optical transmission apparatus |
| 04/09/2002 | US6367989 Optical interconnect method and apparatus |
| 04/09/2002 | CA2254899C Optical synchronisation arrangement |
| 04/05/2002 | CA2358228A1 Multi-wavelength communication apparatus |
| 04/05/2002 | CA2357972A1 Telescope for a free-space wireless optical communication system |
| 04/05/2002 | CA2357943A1 Method and apparatus for controlling received power levels within a free-space optical communication system |
| 04/04/2002 | WO2002027994A1 System and method for code division multiplexed optical communication |
| 04/04/2002 | WO2002027980A1 A transmitter circuit comprising a light source and a communication system |
| 04/04/2002 | WO2002027979A2 Method for transmitting voice data from a mobile communications terminal to a hearing aid and communications terminal and hearing aid |
| 04/04/2002 | WO2002027978A1 A transmitter-receiver device and a communication system |
| 04/04/2002 | WO2002027876A1 Wavelength stabilized module, stable wavelength laser beam generating device and optical communication system |
| 04/04/2002 | WO2002027422A2 Beamcast (continuous data beaming system) |
| 04/04/2002 | WO2002027352A1 System and method for signal acquisition in a distance meter |
| 04/04/2002 | WO2001095282A3 Alignment of narrow beam transmission |
| 04/04/2002 | WO2001061871A3 Methods and apparatus for preventing deadbands in an optical communication system |
| 04/04/2002 | WO2001050172A3 An optical router including bistable optical switch and method thereof |
| 04/04/2002 | WO2000060773A9 Method and apparatus for automatically identifying system faults in an optical communications system from repeater loop gain signatures |
| 04/04/2002 | US20020040388 Method and apparatus for delivering services in a constrained environment |
| 04/04/2002 | US20020039882 Method and apparatus for determining the context of a handheld device |
| 04/04/2002 | US20020039466 Optical switching element having movable optically transmissive microstructure |
| 04/04/2002 | US20020039465 Multiplexed distribution of optical power |
| 04/04/2002 | US20020039226 Optical amplifying apparatus, optical amplifying method, and optical communication system |
| 04/04/2002 | US20020039219 Optical communications system |
| 04/04/2002 | US20020039218 System and method for communicating optical signals between a data service provider and subscribers |
| 04/04/2002 | US20020039217 Method of adaptive signal degradation compensation |
| 04/04/2002 | US20020039216 Method of detecting switching subnodes for switching wavelength division multiplexes |
| 04/04/2002 | US20020039213 Bidirectional WDM optical communication system with bidirectional add-drop multiplexing |
| 04/04/2002 | US20020039212 Bidirectional add/drop multiplexer and bidirectional add/ drop amplifier module for band-split bidirectional networks |
| 04/04/2002 | US20020039211 Variable rate high-speed input and output in optical communication networks |
| 04/04/2002 | US20020039040 Bit rate control apparatus and method of optical receiver |
| 04/04/2002 | US20020038900 Optical semiconductor device |
| 04/04/2002 | DE10046104A1 Line breakage detection method for optical WDM-system verifies presence of pilot tone modulated on transmitted optical signal |
| 04/04/2002 | DE10040226A1 Optical amplifier for transmitting optical signals with high channel data rates has active fiber section with high dispersion coefficient and transmission signal with high signal level |
| 04/03/2002 | EP1193996A1 Method for detecting subdivisions in WDM switching nodes |
| 04/03/2002 | EP1193902A2 Signal break detecting circuit |
| 04/03/2002 | EP1193895A2 Pasive optical network architecture |
| 04/03/2002 | EP1193894A2 Optical pulse generator having narrow spectrum width |
| 04/03/2002 | EP1193893A1 Method of characterising optical amplifiers |
| 04/03/2002 | EP1193886A1 Transmission device |
| 04/03/2002 | EP1193514A2 Optical semiconductor integrated circuit |
| 04/03/2002 | EP1193483A2 Method and system for optical heterodyne detection of an optical signal |
| 04/03/2002 | EP1192747A1 Use of cross tap equalization to reduce crosstalk arising from inadequate optical filtering in a wdm optical link |
| 04/03/2002 | EP1192715A2 Opto-electrical actuation system and method |
| 04/03/2002 | EP1192518A2 Semiconductor laser optical waveguide telecommunications module and method of making |
| 04/03/2002 | EP1192494A1 Method and apparatus for higher-order chromatic dispersion compensation |
| 04/03/2002 | EP1090472B1 Method for detecting and/or controlling the transmission wavelengths of transmitting elements of an optical wavelength multiplex transmission unit and a corresponding wavelength multiplex transmission unit |
| 04/03/2002 | EP0842574B1 Add/drop multiplexer |
| 04/03/2002 | CN1343046A Optical multiplex transmission method, optical network and optical transmission device |