| 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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| 10/02/2002 | EP1246379A1 High-dispersion fibers for digital optical high-speed transmission |
| 10/02/2002 | EP1246378A2 A modular bidirectional optical amplification system |
| 10/02/2002 | EP1246377A2 Optical amplifying and relaying system |
| 10/02/2002 | EP1246376A1 Laser diode matching circuit and method of impedance matching therefor |
| 10/02/2002 | EP1246327A2 Optical output control circuit for obtaining stable optical output power |
| 10/02/2002 | EP1246323A2 Tunable optical oscillator |
| 10/02/2002 | EP1245997A1 Multi-frequency light source using four-wave mixing |
| 10/02/2002 | EP1245972A2 Optical fiber and optical transmission line using the same, and optical transmission system |
| 10/02/2002 | EP1245087A1 Power adjustment method for a wavelength division multiplexing optical transmission system |
| 10/02/2002 | EP1245063A1 Long band optical amplifier |
| 10/02/2002 | EP1244894A1 Dense wavelength division multiplexer utilizing an asymmetric pass band interferometer |
| 10/02/2002 | EP1050122A4 Method and system for restoring coincident line and facility failures |
| 10/02/2002 | EP0983650B1 Optical communications system including arrangement connecting a multimode fibre to a singlemode fibre |
| 10/02/2002 | EP0909403B1 Tunable add/drop optical device |
| 10/02/2002 | DE10113563A1 Optisches Netzwerk mit verteilter Signalregeneration An optical network with distributed signal regeneration |
| 10/02/2002 | DE10112813A1 Method for transmitting data with an optical wavelength multiplex system subdivides a wavelength band into two adjacent sub-bands with a preset band gap at a minimum wavelength distance to avoid crosstalk. |
| 10/02/2002 | DE10112805A1 Optical transmission system for use with optical wavelength multiplex signals with optical fibers has improved signal-to-noise behavior |
| 10/02/2002 | DE10107538A1 Optical cordless communications system has transmitter and receiver directed towards common surface that reflects or scatters transmitted light before it passes to receiver |
| 10/02/2002 | DE10105379A1 Plug connection for use in networks with ring architecture uses an automatic ring closure to prevent a permanent interruption in a network. |
| 10/02/2002 | CN2514562Y Ring optical path device |
| 10/02/2002 | CN2514561Y Light receiving emitting module |
| 10/02/2002 | CN1372773A Wireless base station network systems, control station, base station switching method, signal processing method, and handover control method |
| 10/02/2002 | CN1372734A Tuneable optical filter |
| 10/02/2002 | CN1372652A Wavelength selective device and switch and method thereby |
| 10/02/2002 | CN1372398A Node protector for changover ring of wave division multiplexing circuit |
| 10/02/2002 | CN1372158A Optical circulator |
| 10/02/2002 | CN1091975C Dynamic-static signal converting circuit for use in lamp driving device and method thereof |
| 10/01/2002 | US6459840 Optical transmission device |
| 10/01/2002 | US6459830 Method and apparatus to compensate for polarization mode dispersion |
| 10/01/2002 | US6459826 Programmable optical switch apparatus |
| 10/01/2002 | US6459527 Optical amplifier apparatus and control method thereof, and optical transmission system using optical amplifier apparatus |
| 10/01/2002 | US6459526 L band amplifier with distributed filtering |
| 10/01/2002 | US6459525 Optical fiber type wide bandwidth wavelength converter and wavelength converting optical fiber used therefor |
| 10/01/2002 | US6459522 Time-interleaved optical pulses for signal processing |
| 10/01/2002 | US6459521 Electroabsorption modulator integrated distributed feedback laser transmitter |
| 10/01/2002 | US6459519 Optical transmitter-receiver |
| 10/01/2002 | US6459518 Optical transmitting apparatus |
| 10/01/2002 | US6459479 Optical detection of a fiber span with high polarization-mode dispersion in a fiber system |
| 10/01/2002 | CA2326171C N x m digitally programmable optical routing switch |
| 10/01/2002 | CA2193424C Dispersion tapered optical fibers for use in wdm soliton transmission systems |
| 10/01/2002 | CA2139032C Transceiver module for optical communication |
| 09/30/2002 | CA2369795A1 Method and apparatus for wavelength conversion |
| 09/27/2002 | CA2379285A1 Multi-frequency light source |
| 09/26/2002 | WO2002076138A2 Improvements in or relating to communication systems |
| 09/26/2002 | WO2002076016A1 Quantum cipher communication system |
| 09/26/2002 | WO2002075999A2 Method and apparatus for interconnecting a plurality of optical transducers with a wavelength division multiplexed optical switch |
| 09/26/2002 | WO2002075998A1 Method and apparatus for transferring wdm signals between different wdm communications systems in optically transparent manner |
| 09/26/2002 | WO2002075997A1 Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laser transmitter |
| 09/26/2002 | WO2002075984A1 Point-to-multipoint optical access network with distributed central office interface capacity |
| 09/26/2002 | WO2002075983A2 Polarisation mode dispersion generator |
| 09/26/2002 | WO2002075982A1 A compensator for compensation of higher-order chromatic dispersion |
| 09/26/2002 | WO2002075980A1 Optical data compression device and method |
| 09/26/2002 | WO2002075979A1 Fiber optic power control systems and methods |
| 09/26/2002 | WO2002075977A2 Single parameter gain slope adjuster for an optical system |
| 09/26/2002 | WO2002075976A1 Erbium doped fibre amplifier having a tuneable pump laser |
| 09/26/2002 | WO2002075975A2 Improvements in optical data receiver systems |
| 09/26/2002 | WO2002075974A2 Wavelength stabilisation in optical communications systems |
| 09/26/2002 | WO2002075973A1 Optical channel monitor with continuous gas cell calibration |
| 09/26/2002 | WO2002075972A1 Method and apparatus for monitoring an optical network |
| 09/26/2002 | WO2002075971A2 Optical transmission system with variable network limits |
| 09/26/2002 | WO2002075970A2 Optical network with distributed signal regeneration |
| 09/26/2002 | WO2002075968A1 Secure wave-division multiplexing telecommunications system and method |
| 09/26/2002 | WO2002075967A1 Nonlinear device comprising a spectrally broadening fiber |
| 09/26/2002 | WO2002075965A1 Cascaded line-of-sight free-space communications system |
| 09/26/2002 | WO2002075964A1 Access method for data packet networks |
| 09/26/2002 | WO2002075952A1 Geospatial lightwave communications system |
| 09/26/2002 | WO2002075936A2 System and method for wide band raman amplification |
| 09/26/2002 | WO2002075935A2 Apparatus for frequency tuning and locking and method for operating same |
| 09/26/2002 | WO2002075934A2 Method and system for dispersion maps and enhanced distributed gain effect in long haul telecommunications |
| 09/26/2002 | WO2002075919A2 Distibuted raman amplification system |
| 09/26/2002 | WO2002075446A2 Apparatus for providing timing jitter tolerant optical modulation of a first signal by a second signal |
| 09/26/2002 | WO2002075431A1 Optical device, optical path swetching device and optical path switching method |
| 09/26/2002 | WO2002075410A1 Reconfigurable optical add-drop multiplexers |
| 09/26/2002 | WO2002075403A1 Method and apparatus for providing gain equalizing to an optical signal in an optical communication system |
| 09/26/2002 | WO2002075372A2 Integral differential optical signal receiver |
| 09/26/2002 | WO2002075371A2 Dwdm ring networks using wavelength selected switches |
| 09/26/2002 | WO2002075369A2 Modular all-optical cross-connect |
| 09/26/2002 | WO2002074037A2 Data compression device and method |
| 09/26/2002 | WO2002061473A3 Optoelectronic signal transmission semi-conductor element and method for producing a semi-conductor element of said type |
| 09/26/2002 | WO2002035713A3 Method and system using holographic methodologies for all-optical transmission and reception of high bandwidth signals |
| 09/26/2002 | WO2002007346A8 Optical wavelength converter |
| 09/26/2002 | US20020136524 High speed fiber-optic attenuation modules |
| 09/26/2002 | US20020136523 Optical attenuator including dual control loops |
| 09/26/2002 | US20020136514 Method and apparatus for compensation of nonlinearity in fiber optic links |
| 09/26/2002 | US20020136503 Sensor for a receiving device for cooperation with an optical fiber |
| 09/26/2002 | US20020136493 Optical fibre comprising a bragg grating and tunability means |
| 09/26/2002 | US20020136249 Optical wavelength stabilization circuit, optical transmitter and optical transmission system |
| 09/26/2002 | US20020136203 Enhanced fiber nodes with CMTS capability |
| 09/26/2002 | US20020136185 Serial communications link for a base stations |
| 09/26/2002 | US20020135868 Gain controlled optically pre-amplified receiver apparatus and method |
| 09/26/2002 | US20020135867 Saturated amplifier generating burst support signal |
| 09/26/2002 | US20020135845 Fiber optic receiver with an adjustable bandwidth post-amplifier |
| 09/26/2002 | US20020135843 Point-to-multipoint optical access network distributed with central office interface capacity |
| 09/26/2002 | US20020135842 Method and apparatus for providing gain shape compensation |
| 09/26/2002 | US20020135841 Transceiver device for cooperation with an optical fiber |
| 09/26/2002 | US20020135839 Device and method for setting add signal level for OADM system |
| 09/26/2002 | US20020135837 Signal transmission system |
| 09/26/2002 | US20020135836 Low-cost WDM terminal device accommodating plurality of client signal |
| 09/26/2002 | US20020135834 Channel mask definition for monitoring wavelength division multiplexing transmission systems |
| 09/26/2002 | DE10203663A1 Generator für eine optische einseitenbandmodulierte Welle Generator for an optical wave with SSB |