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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11/24/2005 | US20050259315 Cascaded raman pump for raman amplification in optical systems |
11/24/2005 | US20050259264 Observation apparatus and observation system |
11/24/2005 | US20050258976 Household digital automation control system |
11/24/2005 | US20050258885 DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit |
11/24/2005 | DE102004021816A1 Gerät und Methode zur optischen achtstufigen differentiellen Phasenumtastung (8-DPSK) Device and method for optical differential phase shift keying stage eight (8-DPSK) |
11/23/2005 | EP1598972A1 Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus for that method |
11/23/2005 | EP1598965A1 Communication system |
11/23/2005 | EP1598963A1 Multi-wavelength CD and PMD compensator |
11/23/2005 | EP1598962A1 A method of operating an optical transmission system with a bit-to-bit polarization interleaved bitstream |
11/23/2005 | EP1598961A1 Optical broadband tellurite fibre amplifier using multi-wavelength pump |
11/23/2005 | EP1598960A1 Optical transmission system |
11/23/2005 | EP1598959A2 Optical transmitting module |
11/23/2005 | EP1598958A1 Observation apparatus and observation system |
11/23/2005 | EP1597849A1 Fiber-optic premises wiring system |
11/23/2005 | EP1597848A1 Optical amplifiers |
11/23/2005 | EP1597847A1 Apparatus and method for regeneration of optical pulses |
11/23/2005 | EP1597846A2 Optoelectric phase-locked loop for recovering the clock signal in a digital optical transmission system |
11/23/2005 | EP1597845A1 Optical transmitter with sbs suppression |
11/23/2005 | EP1320950B1 Raman amplifier |
11/23/2005 | EP1243092B1 Method for synchronising the phase of optical return-to-zero (rz) data signals |
11/23/2005 | EP1218988A4 Integrated wavelength tunable single and two-stage all-optical wavelength converter |
11/23/2005 | EP1055302B1 Optical telecommunications networks |
11/23/2005 | CN1701543A Optical wavelength multiplex access system and optical network unit |
11/23/2005 | CN1701542A Optical transmission system with gain control for reducing spurious signal components |
11/23/2005 | CN1701541A System, device, and method for radio frequency optical transmission |
11/23/2005 | CN1701539A 光信号发送机和光信号传输系统 An optical signal transmitter and optical signal transmission system |
11/23/2005 | CN1700626A Multi-wavelength CD and PMD compensator |
11/23/2005 | CN1700619A Method of operating an optical transmission system with a bit-to-bit polarization interleaved bitstream |
11/23/2005 | CN1228949C Optic transmission devices for hybrid network |
11/23/2005 | CN1228932C Driving circuit for light-emitting element, and optic communication device using said driving circuit |
11/23/2005 | CN1228663C Guided wave resonance based polarization method |
11/23/2005 | CN1228646C Single photon detector with high counting rate |
11/22/2005 | US6968134 Method and arrangement for measuring the signal quality in an optical transmission system |
11/22/2005 | US6968133 Optical free-space communication apparatus |
11/22/2005 | US6968131 Topology discovery in optical WDM networks |
11/22/2005 | US6968130 System and method for fully utilizing available optical transmission spectrum in optical networks |
11/22/2005 | US6968102 Node device of optical ring network |
11/22/2005 | US6968002 Method and apparatus for time aligning data modulators using frequency domain analysis of detected output |
11/22/2005 | US6967988 Filter for determining cross-correlation, receiver, and method of equalizing signals |
11/22/2005 | US6967769 Optical transmission systems and optical amplifiers for use therein |
11/22/2005 | US6967767 Swept wavelength broadband Raman pump source |
11/22/2005 | US6967754 Hybrid optical transceivers for free space optical communication |
11/22/2005 | US6966703 Self eject latch mechanism for an optical transceiver module |
11/20/2005 | CA2497425A1 Submarine observation apparatus and submarine observation system |
11/19/2005 | CA2500524A1 Observation apparatus and observation system |
11/17/2005 | WO2005109714A1 All-optical signal regeneration |
11/17/2005 | WO2005109698A1 System and method for automatic chromatic dispersion compensation |
11/17/2005 | WO2005109697A1 Gain-flattening apparatus and methods and optical amplifiers employing same |
11/17/2005 | WO2005109333A2 Quantum optical state converter |
11/17/2005 | WO2005109089A1 Wavelength conversion and regeneration system and method in optical fiber transmission |
11/17/2005 | WO2005107429A2 Optical communications with a bottom hole assembly |
11/17/2005 | WO2005088841A8 System and method for subcarrier modulation as supervisory channel |
11/17/2005 | WO2004064207A3 Quantum dot devices having proximity-placed acceptor impurities |
11/17/2005 | US20050255884 Method and apparatus for wireless transmission adaptation |
11/17/2005 | US20050254828 Optical signal receiving unti and apparatus for reproducing information |
11/17/2005 | US20050254827 Backplane for a data communication system, a data communication system, a host and a method of communication |
11/17/2005 | US20050254825 System and method for automatic chromatic dispersion compensation |
11/17/2005 | US20050254824 Synchronized Digital Clock System |
11/17/2005 | US20050254823 Quantum optical state converter |
11/17/2005 | US20050254822 Fiber-optic transceiver |
11/17/2005 | US20050254821 Multiple channel optical transceiver modules |
11/17/2005 | US20050254820 Optical wireless access systems |
11/17/2005 | US20050254819 Optical in-line amplifier and wavelength-division multiplexer |
11/17/2005 | US20050254818 Optical wireless access systems for train passengers |
11/17/2005 | US20050254763 Dispersion managed HOM multimode optical fibre |
11/17/2005 | US20050254762 Chromatic dispersion compensation module |
11/17/2005 | US20050254749 Multi-wavelength CD and PMD compensator |
11/17/2005 | US20050254748 Optical switch having an autorestoration feature for switching from a backup optical path to a primary optical path |
11/17/2005 | US20050254743 Optical modulator, optical transmitter, optical modulating method and manufacturing method of the optical modulator |
11/17/2005 | US20050254630 Communication system |
11/17/2005 | US20050254456 Transmitter, receiver, data transfer system, transmission method, reception method, computer program for transmission, computer program for reception, and recording medium |
11/17/2005 | US20050254431 Method and system for surveilling a telecommunications network link |
11/17/2005 | US20050254039 Polarization state measuring apparatus |
11/17/2005 | DE102005013494A1 Optischer Empfänger Optical Receiver |
11/16/2005 | EP1596511A1 Spectral tilt measurement system and method for an optical medium |
11/16/2005 | EP1596510A1 Photodetector arrangement and method of adjustment |
11/16/2005 | EP1596246A1 Modulator for an optical transmitter, push-pull driven modulator, and an asymmetric modulator |
11/16/2005 | EP1596172A2 Polarization state measuring apparatus |
11/16/2005 | EP1595855A2 Tellurite glass, optical amplifier, and light source |
11/16/2005 | EP1516436A4 Ultra-wideband communication through a wire medium |
11/16/2005 | EP1258061A4 In fiber frequency locker |
11/16/2005 | CN2741279Y Fibre-optical coding determining device |
11/16/2005 | CN1698298A Split-band optical transmission system, optical transmission device, optical receiving device, and use of optical transmission based on above devices |
11/16/2005 | CN1698295A Apparatus and method for measuring and compensating delay between main base station and remote base station interconnected by an optical cable |
11/16/2005 | CN1698294A Control of avalanche photodiodes bias voltage |
11/16/2005 | CN1697348A Dynamic bandwidth allocation method and device in multiple operation types, and optical line terminal |
11/16/2005 | CN1697346A Frame synchronized parallel scrambler and parallel de-scrambler |
11/16/2005 | CN1227850C Wavelength devision multiplexing optical transmission system |
11/16/2005 | CN1227843C Polarized light communication system for organism |
11/16/2005 | CN1227842C Wavelength division multiplexing optical network transmission adapting method for IP data |
11/16/2005 | CN1227838C Hybrid wireless optical and radio frequency communication link |
11/16/2005 | CN1227556C Light filter and transmission system with the light filter |
11/16/2005 | CN1227550C Fabry-perot laser device for WDM system |
11/15/2005 | US6965739 Optical communication system |
11/15/2005 | US6965738 Chromatic dispersion compensation system and method |
11/15/2005 | US6965737 System and method for transporting data |
11/15/2005 | US6965736 Method for monitoring the transmission quality of an optical transmission system, in particular of an optical wavelength-division multiplex network |
11/15/2005 | US6965735 Method and apparatus for switching automatically and synchronously among optical channels |
11/15/2005 | US6965722 High efficiency active matching electro-optic transducer driver circuit operable with low supply voltages |
11/15/2005 | US6965713 Optical beam generating and shaping device |