| 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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| 02/27/2008 | EP1649617A4 Optoelectronic transceiver having dual access to onboard diagnostics |
| 02/27/2008 | EP1522166B1 Watch dog detector for qkd system |
| 02/27/2008 | EP1062650B1 Tricolor led display system having audio output |
| 02/27/2008 | CN101133576A Method and apparatus for PMD mitigation in optical communication systems |
| 02/27/2008 | CN101133575A System and method for subcarrier modulation in ISM band as supervisory channel |
| 02/27/2008 | CN101132286A Multi-chassis router with multiplexed optical interconnects |
| 02/27/2008 | CN101132239A Estimation apparatus and method for optimum dispersion compensation of long-distance WDM system |
| 02/27/2008 | CN101132238A Digital signal receiver with q-monitor |
| 02/27/2008 | CN101132237A Optical network self-healing recovery method and system thereof |
| 02/27/2008 | CN101132236A Method and device for optical fiber communication using conventional current mutual inductor and voltage mutual inductor |
| 02/27/2008 | CN101132234A Device and method for detecting time slot conflict between optical network units in optical network |
| 02/27/2008 | CN101132233A Method for implementing electricity-saving mode on optical network unit of passive optical network |
| 02/27/2008 | CN101132232A Device for dynamic regulation of business protection threshold in optical transmission system |
| 02/27/2008 | CN101132216A Microwave repeater station and communication method based on SCDMA microwave repeater station |
| 02/27/2008 | CN101131449A High-speed optical add-drop multiplexer based on electro-optical effect |
| 02/27/2008 | CN100372275C Method and apparatus for transmitting monitoring information in WDM system |
| 02/27/2008 | CN100372274C Two-way add and drop multiplexer module |
| 02/27/2008 | CN100372273C Distributive wavelength reserving method |
| 02/27/2008 | CN100371775C Waveguide type non-reciprocal beam splitter member |
| 02/27/2008 | CN100371751C Method for producing non-linear chirp optical fibre grating for 40 Gb/S optical communication system |
| 02/27/2008 | CN100371750C Depolarizer |
| 02/27/2008 | CN100371702C Backlight module detection arrangement |
| 02/26/2008 | US7337376 Method and system of self-test for a single infrared machine |
| 02/26/2008 | US7336908 Optical transmission system using optical signal processing in terminals for improved system performance |
| 02/26/2008 | US7336907 Optical assembly having cylindrical lenses and related method of modulating optical signals |
| 02/26/2008 | US7336906 Optical signal transmission |
| 02/26/2008 | US7336904 Electro-magnetic interference reduction filter for an optical transceiver |
| 02/26/2008 | US7336903 Optical wireless transmission apparatus |
| 02/26/2008 | US7336902 Integrated electro-optic hybrid communication system |
| 02/26/2008 | US7336899 Method for determining the dispersion characteristics of minimum phase filters |
| 02/26/2008 | US7336898 Fibre optic communications network |
| 02/26/2008 | US7336876 Chromatic dispersion-compensating optical fibre in the S-band using a higher order mode |
| 02/26/2008 | US7336870 Optical transmission system |
| 02/26/2008 | US7336863 Apparatus and methods for integrally packaging optoelectronic devices, IC chips and optical transmission lines |
| 02/26/2008 | US7336856 Optimum delay length for a PMD compensator |
| 02/26/2008 | US7336729 Digital signal processing based de-serializer |
| 02/26/2008 | US7336728 Method and apparatus for monitoring phase-shift keyed optical signals |
| 02/26/2008 | US7336415 Optical amplification module, optical amplification apparatus, and optical communications system |
| 02/26/2008 | US7336414 Optical modulating device |
| 02/26/2008 | US7336037 Intelligent electrical switching device |
| 02/26/2008 | CA2432446C Optically amplified receiver |
| 02/26/2008 | CA2413227C Fiber-optic backplane method and apparatus |
| 02/21/2008 | WO2008022138A2 Method and apparatus for handling data and aircraft employing same |
| 02/21/2008 | WO2008021567A2 Optical transmission using semiconductor optical amplifier (soa) |
| 02/21/2008 | WO2008021442A2 Radio-over-fiber transponder with a dual-band patch antenna system |
| 02/21/2008 | WO2008020838A1 Thermal drift compensation system and method for optical networks |
| 02/21/2008 | WO2008019612A1 A common light source, wavelength division multiplexing passive optical network system and method for the system to share the light source |
| 02/21/2008 | WO2007133515A3 Self calibrated optical spectrum monitor |
| 02/21/2008 | WO2007112161A3 Method and apparatus for determining the dynamic range of an optical link in an hfc network |
| 02/21/2008 | US20080044188 Information-Processing System Using Free-Space Optical Communication and Free-Space Optical Communication System |
| 02/21/2008 | US20080044187 Mobile Communications System |
| 02/21/2008 | US20080044186 Radio-over-fiber transponder with a dual-band patch antenna system |
| 02/21/2008 | US20080044183 Optical transmission network with asynchronous mapping and demapping and digital wrapper frame for the same |
| 02/21/2008 | US20080044180 Transponder-less verification of the configuration of an optical network node |
| 02/21/2008 | US20080044179 Method and Apparatus for Monitoring the Security of an Optical Cable Link During Installation |
| 02/21/2008 | US20080044178 Laser safety system |
| 02/21/2008 | US20080044177 Method for detecting upstream timeslot conflict in passive optical network and optical line terminal therein |
| 02/21/2008 | US20080043704 System and method for orderwire modulation in a multipoint-to-point orthogonal frequency division multiplexing system |
| 02/21/2008 | US20080043612 Coarse and fine synchronization adjustments |
| 02/21/2008 | US20080043611 Method and system for dynamic bandwidth allocation |
| 02/21/2008 | US20080043311 Thin film tunable optical filter |
| 02/21/2008 | US20080042881 Vehicle tag used for transmitting vehicle telemetry data |
| 02/21/2008 | US20080042875 Vehicle tag used for transmitting vehicle telemetry data |
| 02/21/2008 | US20080042735 Signal-level detecting apparatus, optical receiver, and signal-level detecting method |
| 02/21/2008 | DE102006037042A1 Data transmission arrangement has electronic ballast formed in such manner that data is imposed to light, produced by fluorescent lamp, and is transmitted by phase modulation or frequency modulation of alternating voltage |
| 02/20/2008 | EP1890411A2 WDM transmission system |
| 02/20/2008 | EP1890406A1 A method for protecting the ring network of optical transport network |
| 02/20/2008 | EP1889390A2 Aggregating optical network device |
| 02/20/2008 | EP1889385A1 Methods and apparatus for selective signal amplification |
| 02/20/2008 | EP1889384A1 Methods and apparatus for multiple signal amplification |
| 02/20/2008 | EP1889383A1 Photonic link with improved dynamic range |
| 02/20/2008 | EP1889382A1 Dispersion compensation |
| 02/20/2008 | EP1815617A4 Optical receiver having transient compensation |
| 02/20/2008 | EP1779558A4 Level detector for optical receivers |
| 02/20/2008 | EP1159646B1 A wavelength selective modulator |
| 02/20/2008 | EP1083676B1 Optical amplifier device |
| 02/20/2008 | CN201025711Y A wave division transmission system for optical cable failure self check |
| 02/20/2008 | CN101127680A Unidirectional physical separation network brake for USB optical fiber |
| 02/20/2008 | CN101127628A A method for managing and transmitting small granularity service |
| 02/20/2008 | CN101127571A A public light source shared by WDM-PON system and method for light source sharing |
| 02/20/2008 | CN101127570A Multi-wave length parallel buffer full optical buffer |
| 02/20/2008 | CN101127569A Device for single board to realize protection switching with multiple 1000M optical port |
| 02/20/2008 | CN101127568A Detection device for optical channel of dense wave division multiplexing transmission system |
| 02/20/2008 | CN101127567A A method and device for optical line terminal to detect the optical power of optical network unit |
| 02/20/2008 | CN101127566A Uplink time slot confliction detection method and optical line terminal in passive optical network |
| 02/20/2008 | CN100370765C Method and device of detecting mono-board electrical interface by using optical modular |
| 02/20/2008 | CN100370717C Remote digital monitoring system and transmission method thereof |
| 02/20/2008 | CN100370716C Annular network configuring system for distributed base station and data interactive method |
| 02/20/2008 | CN100370715C Adaptive polarization mode dispersion compensation arrangement |
| 02/20/2008 | CN100370714C Method for implementing extra-long distance transmission |
| 02/20/2008 | CN100370702C Automatic protected switch system and method thereof |
| 02/20/2008 | CN100370316C Optical attenuator element, and variable optical equalizer and optical amplifier |
| 02/20/2008 | CN100370290C Superlong range light signalling transmission compensator |
| 02/19/2008 | US7333737 Optical receiver |
| 02/19/2008 | US7333736 Method and apparatus for controlling modulator phase alignment in a transmitter of an optical communications system |
| 02/19/2008 | US7333735 Communication using VCSEL laser array |
| 02/19/2008 | US7333734 Line coding scheme for digital communications, transmission method and apparatus |
| 02/19/2008 | US7333733 Optoelectronic clock generator producing high frequency optoelectronic pulse trains with variable frequency and variable duty cycle and low jitter |
| 02/19/2008 | US7333732 Optical receiver |
| 02/19/2008 | US7333731 Multifunctional optoelectronic thyristor and integrated circuit and optical transceiver employing same |