| 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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| 01/12/2005 | CN1565095A 光信号传输 Optical signal transmission |
| 01/12/2005 | CN1565094A Data transmission apparatus, photoelectric conversion circuit, and test apparatus |
| 01/12/2005 | CN1565091A Mobile telephone for personal communication |
| 01/12/2005 | CN1565007A Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system |
| 01/12/2005 | CN1564502A Ascending link bandwidth dynamic distribution method and appts. based on ethernet passive optical network |
| 01/12/2005 | CN1564501A Optical signal noise ratio measuring method and appliances in close wave division multiplex system |
| 01/12/2005 | CN1564491A Parallel frame alignment circuit applied to optical synchronous digital transferring system |
| 01/12/2005 | CN1564487A Passive optical network using carrier intercepting multi-address access/conflict detection protocol |
| 01/12/2005 | CN1564486A Fiber glass delayed measurer and its method |
| 01/12/2005 | CN1564472A Flashing method of non-service cut-off of light transmission of link network |
| 01/12/2005 | CN1564050A High density, rectangular deep etched crystal raster |
| 01/12/2005 | CN1564037A Estimation method of polarizing membrane dispersion caused system unuseable probability |
| 01/12/2005 | CN1564030A Polarizing membrane dispersion compensator based on optical fiber raster |
| 01/12/2005 | CN1563918A Circuit modular of APD signle photon detection |
| 01/12/2005 | CN1184753C Photon crystal wavelength division mutiplex device |
| 01/12/2005 | CN1184752C Virtual protection method and device for optical fibre path |
| 01/12/2005 | CN1184751C Method for improved wireless optical communication and frames for use in wireless optical communication system |
| 01/12/2005 | CN1184506C Lithium niobate modulator ad its making process |
| 01/11/2005 | US6842587 Use of amplified spontaneous emission from a semiconductor optical amplifier to minimize channel interference during initialization of an externally modulated DWDM transmitter |
| 01/11/2005 | US6842586 OTDR arrangement for detecting faults in an optical transmission system employing two pairs of unidirectional optical fibers |
| 01/11/2005 | US6842562 Optical add/drop node and method |
| 01/11/2005 | US6842561 Optical performance monitoring scheme |
| 01/11/2005 | US6842549 Optical system and method |
| 01/11/2005 | US6842548 Optical loop ring-down |
| 01/11/2005 | US6842547 Adaptive chromatic dispersion compensator |
| 01/11/2005 | US6842467 Fiber optic laser transmitter with reduced near end reflections |
| 01/11/2005 | US6842439 Free space optical terminal with ad hoc network back-up and associated methods |
| 01/11/2005 | US6842283 Generation of variable differential group delay |
| 01/11/2005 | US6842236 Method and device for continuously monitoring an optical transmission path |
| 01/11/2005 | US6842125 Unipolar electrical to CSRZ optical converter |
| 01/11/2005 | US6840686 Method and apparatus for vertical board construction of fiber optic transmitters, receivers and transceivers |
| 01/11/2005 | CA2359270C Phase/frequency comparator |
| 01/11/2005 | CA2345181C Bi-directional optical transmission using dual channel bands |
| 01/11/2005 | CA2335166C Optical communication system with co-propagating pump radiation for raman amplification |
| 01/11/2005 | CA2139583C Remote control for a plug-dropping head |
| 01/06/2005 | WO2005002301A1 Method for transmission of signals in a circuit board and a circuit board |
| 01/06/2005 | WO2005002127A1 Optical reception device and optical reception method |
| 01/06/2005 | WO2005002102A1 Fade-resistant forward error correction method for free-space optical communications systems |
| 01/06/2005 | WO2005002095A1 Optical communication system with suppressed sbs |
| 01/06/2005 | WO2005002094A1 Optical communication system with suppressed sbs |
| 01/06/2005 | WO2005002093A1 Method and system for precision cross-talk cancellation in optical amplifiers |
| 01/06/2005 | WO2005002092A2 Optical packet exchanger |
| 01/06/2005 | WO2005002091A1 Otdm transmitting method and transmitter |
| 01/06/2005 | WO2005002065A2 Ultra-wideband communication through local power lines |
| 01/06/2005 | WO2005001520A2 Serial routing of optical signals |
| 01/06/2005 | WO2004107629A3 Method and system for determining the gain for an optical signal |
| 01/06/2005 | WO2004100104A3 Public service system |
| 01/06/2005 | WO2004095737A3 Device for high-speed, local, wireless signal transmission |
| 01/06/2005 | US20050005225 Fade-resistant forward error correction method for free-space optical communications systems |
| 01/06/2005 | US20050002677 Methods and apparatus for monitoring the strength of carriers in an optical communication system |
| 01/06/2005 | US20050002676 Optical phase and intensity modulation with improved transmitters |
| 01/06/2005 | US20050002675 Method and apparatus for controlling modulator phase alignment in a transmitter of an optical communications system |
| 01/06/2005 | US20050002673 Communications system and communications lighting apparatus |
| 01/06/2005 | US20050002672 Optical transmission device |
| 01/06/2005 | US20050002671 Wavelength division multiplexed optical transmission systems, apparatuses, and methods |
| 01/06/2005 | US20050002669 Method, apparatus and system for the automatic provisioning of a network element |
| 01/06/2005 | US20050002594 Compensator for polarisation-mode dispersion compensation |
| 01/06/2005 | US20050002424 High power multi-frequency laser |
| 01/06/2005 | US20050002099 Polarization dependent loss loop |
| 01/06/2005 | US20050001152 Method for calibrating an optoelectronic device using apd bit error rate |
| 01/06/2005 | US20050001151 Optical receiver |
| 01/06/2005 | US20050001150 Light-receiving circuit that protects breakdown of the avalanche photodiode by the photo current generated thereby |
| 01/05/2005 | EP1494382A2 Ethernet passive optical network for convergence of broadcasting and communication |
| 01/05/2005 | EP1494373A2 Improved distortion analayzer for compensation apparatus of first-orderpolarization mode dispersion (PMD) |
| 01/05/2005 | EP1493212A2 Atomic clock based on an opto-electronic oscillator |
| 01/05/2005 | EP1212861A4 Optical fiber ring communication system |
| 01/05/2005 | EP0818089B1 Optical node in an optical bus network |
| 01/05/2005 | DE19837859B4 Optische Signalübertragungsvorrichtung und optisches Signalübertragungsverfahren The optical signal transmission apparatus and optical signal transmission method |
| 01/05/2005 | CN2669491Y Adjustable wave filter |
| 01/05/2005 | CN2669490Y Small-sized pluggable light transceiving module |
| 01/05/2005 | CN1561586A Dispersion-managed cable for raman-assisted transmission |
| 01/05/2005 | CN1561021A Optical burst switched network node structure with end-to-end reliability transmission function |
| 01/05/2005 | CN1561018A Polarization extraneous single photon waveguide phase modulator |
| 01/05/2005 | CN1561017A Broad band dispersion compensation method and fibre-optical communication system using the method |
| 01/05/2005 | CN1561016A Satellite orbit analog testing system |
| 01/05/2005 | CN1561015A Three-wave-length light division multiplexer |
| 01/05/2005 | CN1560695A Monitoring device for gain characteristic of Er-doped fibre-optical amplifier |
| 01/05/2005 | CN1560656A Fibre-optical raster of implementing arbitrary target response |
| 01/05/2005 | CN1183703C Second order predistorter for return laser transmitter |
| 01/05/2005 | CN1183702C Infrared signal receiver with attenuating circuit |
| 01/05/2005 | CN1183402C Period polarized magnesium-doped lithium niobate all light switch and preparation process thereof |
| 01/04/2005 | US6839780 Connection device for a computer |
| 01/04/2005 | US6839563 Signal transmission circuit for probe |
| 01/04/2005 | US6839544 System and method for remote monitoring of a transmitter in a wireless base station |
| 01/04/2005 | US6839523 Monitoring distributed gain in an optical transmission system |
| 01/04/2005 | US6839522 Optical signal varying devices, systems and methods |
| 01/04/2005 | US6839521 Photonic bipolar modem for secure multi-channel communication |
| 01/04/2005 | US6839520 Method and arrangement for an interruption-proof optical satellite linkage |
| 01/04/2005 | US6839519 Laser crosslink methods and apparatus |
| 01/04/2005 | US6839518 Level adjustment method and wavelength division multiplexing device and system |
| 01/04/2005 | US6839516 Apparatus and method for visualizing an automatic laser shutdown state in an optical transmission system |
| 01/04/2005 | US6839515 Method for establishing a communication on a standby link in optical transmission facilities |
| 01/04/2005 | US6839481 High-capacity multimode optical fiber systems |
| 01/04/2005 | US6839480 Optical switching apparatus, optical transmission system and method of setting up for optical signal route |
| 01/04/2005 | US6839164 Optical transmission equipment and supervisory system thereof |
| 01/04/2005 | US6839162 Optical amplifying apparatus and optical communication system |
| 01/04/2005 | US6839161 Optical amplification apparatus |
| 01/04/2005 | US6839160 Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium |
| 01/04/2005 | US6839159 Demultiplexer for optical time-division multiplexed signals |
| 01/04/2005 | US6839131 Method and apparatus for monitoring optical signal performance in wavelength division multiplexing system |