| 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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| 01/20/2004 | US6680788 Scanning apparatus and associated method |
| 01/20/2004 | US6680787 Optical communication systems |
| 01/20/2004 | CA2253413C Telecommunications system simultaneously receiving and modulating an optical signal |
| 01/20/2004 | CA2216370C Optical node in an optical bus network |
| 01/20/2004 | CA2173662C Rare earth element-doped optical fiber amplifier |
| 01/20/2004 | CA2082319C Optical signal equalizer for wavelength division multiplexed optical fiber systems |
| 01/15/2004 | WO2004006473A1 Hybrid fiber-coaxial networks and broadband communications systems employing same |
| 01/15/2004 | WO2004006471A1 Gateway network element for providing automatic level control and error monitoring |
| 01/15/2004 | WO2004006470A1 Method for measuring the signal-to-noise ratio of a wavelength division multiplex (wdm) signal |
| 01/15/2004 | WO2004006453A1 Information retrieval system based on position of the light source |
| 01/15/2004 | WO2004006396A2 Integrated monitor device |
| 01/15/2004 | WO2004006245A1 Optical signal receiving unit and apparatus for reproducing information |
| 01/15/2004 | WO2004005993A1 Dynamic multifunction, multichannel optical device |
| 01/15/2004 | WO2004005972A2 Electro-optical integrated transmitter chip for arbitrary quadrature modulation of optical signals |
| 01/15/2004 | WO2003098845A3 Infrared connection device |
| 01/15/2004 | WO2003075064A3 Fiber optic communication module and method for operating such a module |
| 01/15/2004 | US20040008996 Optical transceiver module with power integrated circuit |
| 01/15/2004 | US20040008995 Optical communication module and wavelength locker module |
| 01/15/2004 | US20040008994 Optical fiber component for Raman amplification, Raman amplifier and optical communications system |
| 01/15/2004 | US20040008993 Polarization mode dispersion compensation module |
| 01/15/2004 | US20040008991 Method and apparatus for polarization mode dispersion monitoring in a multiple wavelength optical system |
| 01/15/2004 | US20040008990 Station side apparatus, subscriber side apparatus and optically communicating system apparatus |
| 01/15/2004 | US20040008988 Link discovery, verification, and failure isolation in an optical communication system |
| 01/15/2004 | US20040008986 Optical transmitter module and optical transmitter apparatus |
| 01/15/2004 | US20040008985 Approach for operator directed routing in conjunction with automatic path completion |
| 01/15/2004 | US20040008984 Automatic dark current compensation |
| 01/15/2004 | US20040008937 Power source for a dispersion compensation fiber optic system |
| 01/15/2004 | US20040008933 High-speed transmission system comprising a coupled multi-cavity optical discriminator |
| 01/15/2004 | US20040008929 Method and system for determining location and value of dispersion compensating modules in an optical network |
| 01/15/2004 | US20040008922 Optical communication device |
| 01/15/2004 | US20040008916 Scheme for controlling polarization in waveguides |
| 01/15/2004 | US20040008843 Quantum cryptographic system and method for achieving unambiguous state discrimination measurement of coherent light states |
| 01/15/2004 | US20040008745 Laser driver circuit and system |
| 01/15/2004 | US20040008685 Multi-protocol label switching device and multi-protocol switching method |
| 01/15/2004 | US20040008494 Techniques for connecting a set of connecting elements using an improved latching apparatus |
| 01/15/2004 | US20040008404 Distributed raman amplifier for optical network and method |
| 01/15/2004 | US20040008401 Multifunctional optical device having a spatial light modulator with an array of micromirrors |
| 01/15/2004 | US20040008395 Cascaded RZ and NRZ laser modulators having RZ/NRZ phase alignment bias control |
| 01/15/2004 | US20040008121 Position dependent information retrieval system |
| 01/15/2004 | US20040007714 Current mirror circuit and optical signal circuit using same |
| 01/15/2004 | DE3733018B4 Optokoppler Optocouplers |
| 01/15/2004 | DE10230481A1 Datenübertragungsvorrichtung Data transfer device |
| 01/15/2004 | DE10229428A1 Detektoreinheit Detector unit |
| 01/15/2004 | DE10147871B4 Verfahren zur Übertragung von mindestens einem ersten und zweiten Datensignal im Polarisationsmultiplex in einem optischen Übertragungssystem Method for transmitting at least a first and second data signal in polarization division multiplex in an optical transmission system |
| 01/15/2004 | DE10057659B4 Optisches Übertragungssystem mit jeweils mehrere Pumpquellen aufweisenden kaskadierte Raman-Verstärkern The optical transmission system, each with several pump sources having cascaded Raman amplifiers |
| 01/14/2004 | EP1381178A1 Demultiplexer for optical time-division multiplexed signals |
| 01/14/2004 | EP1381176A2 System for measuring chromatic dispersion |
| 01/14/2004 | EP1381175A1 Apparatus and method for data tag signal recovery |
| 01/14/2004 | EP1381125A2 Method and device for optical amplification and system having the device |
| 01/14/2004 | EP1380828A1 Optoelectronic module with integrated loop-back capability |
| 01/14/2004 | EP1380129A1 Time slot scheduling for shared-medium communications networks |
| 01/14/2004 | EP1380125A2 Multi-function optical performance monitor |
| 01/14/2004 | EP1380120A1 Geospatial lightwave communications system |
| 01/14/2004 | EP1379898A2 Protected dwdm ring networks using wavelength selected switches |
| 01/14/2004 | EP1379836A2 An optical amplifier employing an active doped unitary amplifier |
| 01/14/2004 | CN2599878Y Liquid crystal TV set with infrared wireless stereo transmission interface |
| 01/14/2004 | CN2599605Y Optical parameter double cladding layer optical fiber high power amplifying device |
| 01/14/2004 | CN2599604Y Attenuator for adjusting optical energy in optical communication |
| 01/14/2004 | CN2599603Y Closed optical fibre collimator |
| 01/14/2004 | CN1468478A Wavelength-division multiplexing optical communication system |
| 01/14/2004 | CN1468469A Earphones and microphone (personal speaking device) that do not transmit or emit microwave radiation or any other dangerous radiation |
| 01/14/2004 | CN1468458A Method of amplifying optical signals using erbium-doped materials with extremely broad bandwidths |
| 01/14/2004 | CN1467945A 光通信节点和光网络系统 Optical communication node and the optical network system |
| 01/14/2004 | CN1467935A Automatic dispersion compensation device and compensation method |
| 01/14/2004 | CN1467934A Bi-directional wavelength optical function module |
| 01/14/2004 | CN1467933A Transmission apparatus using a plastic fiber |
| 01/14/2004 | CN1467932A Laser modulation driving circuit having self-regulating constant current source |
| 01/14/2004 | CN1467931A Optical transmission system for super long distant transmission and dispersion balanced processing method |
| 01/14/2004 | CN1467930A Optical fiber looped network system and optical add-drop multiplexing module and upgrade expanding method thereof |
| 01/14/2004 | CN1467929A Return-to-zero code super long distance transmission method and equipment |
| 01/14/2004 | CN1467928A Simulated gain control equipment and method for erbium-doped fiber amplifier |
| 01/14/2004 | CN1467925A Polarization mode dispersion compensation module |
| 01/14/2004 | CN1134925C Method for converting and transmission changing of light wave-length and multi-wavelength selective switch |
| 01/14/2004 | CN1134913C Light receiving amplifying device |
| 01/14/2004 | CN1134912C Starting circuit for electronic apparatus |
| 01/13/2004 | US6678480 Optical transmitter and optical communication system |
| 01/13/2004 | US6678479 Semiconductor electro-absorption optical modulator integrated light emission element light emission element module and optical transmission system |
| 01/13/2004 | US6678478 Correcting method of optical signal transmission system and optical signal transmission system using said correcting method |
| 01/13/2004 | US6678477 Spatial transmission optical transceiver |
| 01/13/2004 | US6678475 Method of transmitting a concatenated signal |
| 01/13/2004 | US6678444 Low power fiberoptic relay for radio communications |
| 01/13/2004 | US6678431 Method for compensating polarization mode dispersion occurring in optical transmission fiber and apparatus therefor |
| 01/13/2004 | US6678379 Quantum key distribution method and apparatus |
| 01/13/2004 | US6678290 Optical output control circuit for obtaining stable optical output power |
| 01/13/2004 | US6678251 Link quality agent |
| 01/13/2004 | US6678086 Bit-rate and format insensitive all-option clock extraction circuit |
| 01/13/2004 | US6678079 Transceiver for a wireless optical telecommunication system |
| 01/10/2004 | CA2418544A1 Method and system for determining location and value of dispersion compensating modules in an optical network |
| 01/08/2004 | WO2004004183A1 Wdm layer-based optical channel protecting device and the method thereof |
| 01/08/2004 | WO2004004171A1 Dynamic dispersion compensation 1n high-speed optical transmission systems |
| 01/08/2004 | WO2004004170A1 Array for forming optical emission pulses |
| 01/08/2004 | WO2004004168A1 Data interface for the interior space of vehicles |
| 01/08/2004 | WO2004003651A1 Passive optical channel equalizer apparatus, methods of passive optical channel equalization, and system comprising such an apparatus |
| 01/08/2004 | WO2003084082A3 Distributed terminal optical transmission system |
| 01/08/2004 | WO2003042722A9 All-optical timing jitter measurement system and method |
| 01/08/2004 | WO2002043284A3 Laser communication system |
| 01/08/2004 | US20040006726 Data file search by example |
| 01/08/2004 | US20040005154 Optical transmitter |
| 01/08/2004 | US20040005152 Optical transmission system |
| 01/08/2004 | US20040005151 Gateway network element for providing automatic level control and error monitoring |