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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06/03/2004 | US20040104340 System and method of automatic dynamic calibration for infrared sensing device |
06/03/2004 | DE10252689A1 Driver information system, with an operating unit and a control and analysis unit where the operating elements are freely configurable relative to the holder |
06/02/2004 | EP1424798A2 Wavelength allocation method of signal light, optical transmission apparatus and wavelength division multiplexing optical transmission system using the method |
06/02/2004 | EP1424795A2 Optical transmission system using optical phase modulator |
06/02/2004 | EP1424794A1 A method for optimising operation of an optical communication link and a receiver therefor |
06/02/2004 | EP1424752A2 Optical system module |
06/02/2004 | EP1423933A2 Technique for channel count and power control in optical networks |
06/02/2004 | EP1423928A1 Photoreceiver assembly for high-powered lasers |
06/02/2004 | EP1068550A4 Optical-transmission system having a split-gain amplifier and a signal-modifying device |
06/02/2004 | EP1066631B1 Optical data storage system utilizing polarization maintaining optical fiber |
06/02/2004 | CN2619422Y Device for eliminating circular net self exciting in light transmission system |
06/02/2004 | CN2619421Y Multiple path video light end machine |
06/02/2004 | CN2619420Y Video frequency light end machine |
06/02/2004 | CN1502183A Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laster transmitter |
06/02/2004 | CN1501619A Optical fibre for wavelength division multiplexed system and manufacturing method thereof |
06/02/2004 | CN1501618A Optical transmission systems using optical amplifiers and wavelength division multiplexing |
06/02/2004 | CN1501617A Optical signal transmission method with long span and over-long span demultiplexing |
06/02/2004 | CN1501599A Optical transmission system using in-line amplifiers |
06/02/2004 | CN1501598A A multi-wavelength single-span long distance transmission method and system |
06/02/2004 | CN1501597A A remote pump transmission system |
06/02/2004 | CN1501596A A method for composing optimum optical orthogonal code |
06/02/2004 | CN1501497A 电子电路装置 Electronic circuit means |
06/02/2004 | CN1501154A 电子电路装置 Electronic circuit means |
06/02/2004 | CN1501109A 多波长编码光开关阵列 Multi-wavelength optical switch array coding |
06/02/2004 | CN1152489C Implementation of dynamic bandwidth distribution of passive optical network in asynchronus transfer mode |
06/02/2004 | CN1152488C Method for measuring distance in passive optical ATM network |
06/02/2004 | CN1152339C Communication system for transmitting accounting instructions |
06/02/2004 | CN1152274C Optical apparatus using virtual image phase array to produce dispersion |
06/01/2004 | US6744992 Synchronous amplitude modulation for improved performance of optical transmission systems |
06/01/2004 | US6744990 WDM optical transmission system and an optical transmission line thereof |
06/01/2004 | US6744989 Optical transmission system, its method, and optical amplification transmission line |
06/01/2004 | US6744988 Device for applying time-delays to optical signals |
06/01/2004 | US6744987 Tertiary optical media interface |
06/01/2004 | US6744964 System and method for controlling variable optical attenuators |
06/01/2004 | US6744958 Apparatus and method of compensating for wavelength dispersion of optical transmission line |
06/01/2004 | US6744942 Optical cross-connect |
06/01/2004 | US6744940 Sensor for a receiving device for cooperation with an optical fiber |
06/01/2004 | US6744795 Laser driver circuit and system |
06/01/2004 | US6744794 System and a method for handling laser communication multiplexing in chaotic secure communications |
06/01/2004 | US6744793 Method and apparatus for stabilizing a broadband source |
06/01/2004 | US6744556 Distributed Raman amplification system |
06/01/2004 | US6744555 Ultrashort-pulse source with controllable wavelength output |
06/01/2004 | US6744546 Multilevel light-intensity modulating circuit |
06/01/2004 | US6744496 Method of measuring the error rate of an optical transmission system and apparatus for implementing the method |
06/01/2004 | US6744495 WDM measurement system |
06/01/2004 | US6744035 Passive, temperature compensated techniques for tunable filter calibration in bragg-grating interrogation systems |
06/01/2004 | CA2353744C Nxn crossconnect switch using wavelength routers and space switches |
05/29/2004 | CA2413218A1 Flash optical performance monitor |
05/27/2004 | WO2004045116A1 Device for adequately regulating power of optical signal |
05/27/2004 | WO2004045114A1 Optical receiver |
05/27/2004 | WO2004045113A2 Method of evaluating fiber pmd using polarization optical time domain reflectometry |
05/27/2004 | WO2004045112A2 Method and apparatus for silicon-based optically-pumped amplification using stimulated scattering |
05/27/2004 | WO2004044625A2 Power source for a dispersion compensation fiber optic system |
05/27/2004 | WO2004030154A3 Arrangement for monitoring patch panels at distributor points in data networks |
05/27/2004 | WO2004027461A3 Thermal noise reduction technique for optical receivers using identical amplifier circuits |
05/27/2004 | WO2003102659A3 Demultiplexing optical signal receiver photonic integrated circuit (rxpic) and associated transmitter and method of testing a photonic integrated circuit |
05/27/2004 | WO2003040769A3 Polarization control using polarization modulation |
05/27/2004 | WO2003040768A3 Polarization controlling |
05/27/2004 | US20040103440 Transmitter in a digital return link for use in an HFC network |
05/27/2004 | US20040102874 Method and apparatus for controlling an optical transponder |
05/27/2004 | US20040102084 Method for in-situ continuity check on an optical bus |
05/27/2004 | US20040101319 Wavelength stabilization module having light-receiving element array and method of manufacturing the same |
05/27/2004 | US20040101318 Optical transmitter with tap type optical filters |
05/27/2004 | US20040101317 Optical frequency modulated transmitter |
05/27/2004 | US20040101316 Semiconductor electro-absorption optical modulator integrated light emission element, light emission element module and optical transmission system |
05/27/2004 | US20040101315 Duobinary optical transmission apparatus |
05/27/2004 | US20040101314 Duobinary optical transmission apparatus |
05/27/2004 | US20040101313 Optical repeater |
05/27/2004 | US20040101312 AC power source light modulation network |
05/27/2004 | US20040101311 Distribution of a synchronization signal in an optical communication system |
05/27/2004 | US20040101309 Optical communication imager |
05/27/2004 | US20040101308 Optical communications imager |
05/27/2004 | US20040101305 Fabry-perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same |
05/27/2004 | US20040101301 Optical pulse timing detection apparatus, optical pulse timing detection method, optical pulse timing adjustment apparatus, and optical pulse timing adjustment method |
05/27/2004 | US20040101300 Method and Circuit for Determing the Optical Signal to Noise Ratio for Optical Transmission |
05/27/2004 | US20040101263 Dispersion compensating optical fiber for SMF and transmission link including same |
05/27/2004 | US20040101241 Fiber grating/DC fiber hybrid dispersion compensation module |
05/27/2004 | US20040101239 Chromatic-dispersion compensator |
05/27/2004 | US20040101233 Method and apparatus for detecting optical switch fault by monitoring optical output transitions |
05/27/2004 | US20040101227 Polarization dispersion compensating apparatus |
05/27/2004 | US20040100988 Method for the asynchronous arbitration of a high frequency bus in a long latency environment |
05/27/2004 | US20040100782 Backplane assembly with board to board optical interconnections and a method of continuity checking board connections |
05/27/2004 | US20040100695 Receiver for OTDM/PDM optical signals |
05/27/2004 | US20040100694 PMD Emulator |
05/27/2004 | US20040100688 Optical amplifier and optical amplifier control method |
05/27/2004 | US20040100687 Integrated memory mapped controller circuit for fiber optics transceiver |
05/27/2004 | US20040100685 Low cost flexible automated optical power management |
05/27/2004 | US20040100683 Raman amplifier |
05/27/2004 | US20040100682 Multi-wavelength generating method and apparatus based on flattening of optical spectrum |
05/27/2004 | US20040100317 Optical signal receiving circuit and optical signal receiving semiconductor device |
05/27/2004 | US20040099858 Semiconductor quantum dot optical amplifier, and optical amplifier module and optical transmission system using the same |
05/27/2004 | DE10251889A1 Receiver for angle modulated optical signals has optical resonator to which optical signal is fed and in front of which optical output coupling device for light reflected from resonator is arranged |
05/26/2004 | EP1422966A2 Wavelength converter and optical cross-connect system using the same |
05/26/2004 | EP1422845A2 Optical dispersion monitoring method and apparatus |
05/26/2004 | EP1422844A1 Optical repeater |
05/26/2004 | EP1422843A1 Duobinary optical transmission apparatus |
05/26/2004 | EP1422842A2 Duobinary optical transmission apparatus |
05/26/2004 | EP1422841A1 Control station apparatus, base station apparatus, and optical transmission method |
05/26/2004 | EP1422794A2 Fabry-perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same |
05/26/2004 | EP1421717A1 Polarization mode dispersion compensator based on degree of polarization |