| 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) |
|---|
| 01/12/2010 | US7646980 Variable spectral phase encoder/decoder based on decomposition of Hadamard codes |
| 01/12/2010 | US7646978 Methods and apparatuses to provide a wavelength division-multiplexing passive optical network based on wavelength-locked wavelength-division-multiplexed light sources |
| 01/12/2010 | US7646959 Plastic optical fiber and manufacturing method thereof, and optical transmission system |
| 01/12/2010 | US7646532 Optical device for suppressing double Rayleigh backscattering noise, and an installation including the device |
| 01/12/2010 | US7645075 Optical connection structure of optical backplane to circuit substrate |
| 01/12/2010 | CA2499088C The method for route distribution in multi-service optimization of sdh transmission network |
| 01/12/2010 | CA2490592C Method for increasing accuracy of measurement of mean polarizaton mode dispersion |
| 01/12/2010 | CA2303602C Method and apparatus for measuring phase differences between intensity-modulated optical signals |
| 01/07/2010 | WO2010002567A2 Optical activation/deactivation of one or more communication units in a survey system |
| 01/07/2010 | WO2010002425A1 Apparatus and method for improving the tolerance of tone-based optical channel monitoring to stimulated raman scattering |
| 01/07/2010 | WO2010002212A2 Visible-light wireless communication method and system |
| 01/07/2010 | WO2010002041A1 Optical communication system, light transmission device, light reception device and method, and optical correlation device |
| 01/07/2010 | WO2010001438A1 Radio-on-fiber unit and radio-on-fiber system |
| 01/07/2010 | WO2010000863A1 Optical i-q-modulator |
| 01/07/2010 | WO2010000307A1 Apparatus and modules for an optical network |
| 01/07/2010 | WO2010000296A1 Optical apparatus |
| 01/07/2010 | WO2010000166A1 Adjusting device of delay time and method thereof |
| 01/07/2010 | WO2010000165A1 Differential quadrature phase shift keying system, method and equipment |
| 01/07/2010 | WO2010000160A1 A method for implementing photoelectricity mutual exclusion, an ethernet photoelectricity mutual exclusion interface equipment, and a network device |
| 01/07/2010 | WO2010000159A1 An optical assemblymodule, optical node, optical distribution system and the management method thereof |
| 01/07/2010 | WO2010000154A1 Signal processing method, apparatus in microwave transmission device and the microwave transmission device |
| 01/07/2010 | WO2010000153A1 A passive optical network system, optical line terminal, optical network unit and a method for realizing load equalization |
| 01/07/2010 | WO2009131858A3 Method and apparatus for data privacy in passive optical networks |
| 01/07/2010 | US20100005294 Security in Wireless Environments Using Out-Of-Band Channel Communication |
| 01/07/2010 | US20100004729 Apparatus and methods for delivery of multiple distributed stents |
| 01/07/2010 | US20100003035 Laser diode having an abrupt turn-on, optical transmitter device using the same laser diode and optical communication apparatus |
| 01/07/2010 | US20100003034 Systems and methods for adaptive polarization transmission |
| 01/07/2010 | US20100003033 Transmission of Audio Signals Via Fibre Optic |
| 01/07/2010 | US20100003029 Optical fan-out and broadcast interconnect methodology |
| 01/07/2010 | US20100003028 Filter coefficient adjustment apparatus |
| 01/07/2010 | US20100003027 Method and apparatus for supporting standby channels and standby buffering |
| 01/07/2010 | US20100002884 Optical Out-Of-Band Key Distribution |
| 01/07/2010 | US20100002881 Polarization-insensitive one-way quantum key distribution receiver, transmitter/receiver system |
| 01/07/2010 | US20100001189 Methods of rapid phase modulation of thz radiation for high speed thz imaging, spectroscopy, and communications devices and systems |
| 01/07/2010 | DE102008030187A1 Vorrichtung zur Übertragung von optischen Signalen zwischen relativ zueinander drehbaren Baugruppen (Drehübertrager) An apparatus for transmission of optical signals between relatively rotatable components (rotary joint) |
| 01/07/2010 | CA2728750A1 Differential quadrature phase shift keying system, method, and device |
| 01/06/2010 | EP2141835A1 Light transmission system and electronic device |
| 01/06/2010 | EP2141834A1 Optical communication base station, optical signal converting apparatus and optical signal converting method |
| 01/06/2010 | EP2141833A1 Optical I-Q-modulator |
| 01/06/2010 | EP2141832A1 Automatic topology discovery for passive optical networks |
| 01/06/2010 | EP2141469A1 Optical signal monitoring device and its method |
| 01/06/2010 | EP2140675A1 Remote powered node |
| 01/06/2010 | EP2140588A1 Simulation of multi-antenna radio channel |
| 01/06/2010 | EP2140295A1 Method and system for multiplexer waveguide coupling |
| 01/06/2010 | EP1183798B1 Method and apparatus for optical transmission control using compensating channels |
| 01/06/2010 | CN201378877Y Hybrid optical fiber wireless repeater |
| 01/06/2010 | CN101621454A Passive optical network system, optical line terminal and optical network units |
| 01/06/2010 | CN101621349A Wavelength multiplexed optical system with multimode optical fibers |
| 01/06/2010 | CN101621338A Method and device for receiving light OFDM resisting chromatic dispersion |
| 01/06/2010 | CN101621337A Delay adjustment device and method |
| 01/06/2010 | CN101621336A Difference quadrature phase keying system, method and device |
| 01/06/2010 | CN101621334A Optical isolator and optical communication emitting module |
| 01/06/2010 | CN101621333A Hardware structure for protecting and switching optical link redundancy in communication system |
| 01/06/2010 | CN101621332A Method and device for detecting optical power of optical network unit on line |
| 01/06/2010 | CN101621331A Optical network unit configuration method and device |
| 01/06/2010 | CN101621330A Method, system and optical fiber adapter for detecting connection state of optical fiber |
| 01/06/2010 | CN101621329A Method and system for measuring bias points of double-parallel modulator |
| 01/06/2010 | CN101621328A Method for realizing photoelectric mutual exclusion, Ethernet photoelectric mutual exclusion interface and network equipment |
| 01/06/2010 | CN100579033C Remote command line management method of passive optical network terminal |
| 01/06/2010 | CN100579020C Digital session discussing system |
| 01/06/2010 | CN100578992C Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus thereof |
| 01/06/2010 | CN100578991C Receiver and method of receiving a multichannel optical signal |
| 01/06/2010 | CN100578981C Method for solving clock and frame pulse change in optical network by using asynchronous frame pulse |
| 01/06/2010 | CN100578973C Wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method |
| 01/06/2010 | CN100578972C System and method for automatism configuration telecommunication device using embedding controller |
| 01/06/2010 | CN100578269C Full-optical fiber chirped pulse amplification systems |
| 01/05/2010 | US7643761 Method and apparatus for processing optical duobinary signals |
| 01/05/2010 | US7643760 Direct detection differential polarization-phase-shift keying for high spectral efficiency optical communication |
| 01/05/2010 | US7643758 CWDM system architecture with amplification |
| 01/05/2010 | US7643756 Optical network for transferring data between devices in a vehicle |
| 01/05/2010 | US7643755 Optical receiver comprising a receiver photodetector integrated with an imaging array |
| 01/05/2010 | US7643752 Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver |
| 01/05/2010 | US7643751 Network managing apparatus, optical add/drop multiplexer, and network managing method |
| 01/05/2010 | US7643601 Timing extraction circuit for use in optical receiver that uses clock of frequency equal to one half of data transmission rate, and duty cycle deviation handling circuit for use in optical transmitter and receiver |
| 01/05/2010 | US7643207 Semiconductor optical amplifier with lateral and distributed gain stabilisation |
| 01/05/2010 | US7643206 Optical amplifier |
| 01/05/2010 | US7642495 Light source error detection apparatus and method |
| 12/31/2009 | US20090324257 Optical transmission apparatus, optical transmission system and communication method therein |
| 12/31/2009 | US20090324256 Optical transmitter |
| 12/31/2009 | US20090324255 Light transmitting apparatus and method for controlling the same |
| 12/31/2009 | US20090324254 Optical transmission apparatus and method |
| 12/31/2009 | US20090324253 Optical modulator for higher-order modulation |
| 12/31/2009 | US20090324252 Optical Transmitter |
| 12/31/2009 | US20090324251 Tunable Radio Frequency and Microwave Photonic Filters |
| 12/31/2009 | US20090324250 Wireless transmitters |
| 12/31/2009 | US20090324249 High Loss Loop Back For Long Repeater Span |
| 12/31/2009 | US20090324248 Illumination light receiver and illumination light communications system |
| 12/31/2009 | US20090324247 Optical modulator |
| 12/31/2009 | US20090324246 Method of Limiting the Non-Linear Phase Noise of a Phase-Modulated Optical Signal of Constant Amplitude, and an Associated Device |
| 12/31/2009 | US20090324245 Optical triggered self-timed clock generation |
| 12/31/2009 | US20090324243 Scalable load-balanced interconnect switch based on an optical switch fabric having a bank of wavelength-selective switches |
| 12/31/2009 | US20090324242 Optical transmission system and multi-core optical fiber |
| 12/31/2009 | US20090324241 Chio to chip optic alleys and method |
| 12/31/2009 | US20090324240 Transmission line optimization method in optical communication system |
| 12/31/2009 | US20090324237 Pluggable optical network unit capable of status indication |
| 12/31/2009 | US20090324236 Method and system for laser based communication |
| 12/31/2009 | US20090324235 Multiple movable barrier operator system and method |
| 12/31/2009 | US20090324234 Optical transmission system using raman optical amplification |
| 12/31/2009 | US20090324233 Fiber-optic long-haul transmission system |
| 12/31/2009 | US20090324231 Transmission line monitoring system |