| 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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| 08/25/2009 | US7580634 Transmission method, transmitter-receiver, and transmitting-receiving system |
| 08/25/2009 | US7580633 Method and device for data-flow protection of optical interface in data communication equipment |
| 08/25/2009 | US7580632 Method and apparatus for managing lightpaths in optically-routed networks |
| 08/25/2009 | US7580631 Optical transmission device for controlling optical level of transmission signal in optical transmission system |
| 08/25/2009 | US7580630 Spectral shaping for optical OFDM transmission |
| 08/25/2009 | US7580629 Los beat detector |
| 08/25/2009 | US7580598 Optical signal processing device, information recording/reproducing apparatus and information recording/reproducing system |
| 08/25/2009 | US7580347 Synchronization of remote units using multiple adjustments |
| 08/25/2009 | US7580184 Gires-Tournois etalons and dispersion compensators |
| 08/25/2009 | US7580183 Light generator, optical amplifier, and optical communication system |
| 08/25/2009 | CA2430797C Method and system for identification of channels in an optical network |
| 08/20/2009 | WO2009103041A1 High capacity transmitter implemented on a photonic integrated circuit |
| 08/20/2009 | WO2009102243A1 Remote powering for fttx via existing wire |
| 08/20/2009 | WO2009102164A2 Optical detection device in wdm-pon and method for same |
| 08/20/2009 | WO2009100526A1 Low conversion rate digital dispersion compensation |
| 08/20/2009 | US20090208227 Optical apparatus and use method thereof for passive optical network system |
| 08/20/2009 | US20090208226 Bang-bang architecture |
| 08/20/2009 | US20090208225 Variable optical attenuator integration into transmitter optical subassemblies |
| 08/20/2009 | US20090208224 Optical field receiver, optical multilevel signal receiver, and optical transmission system |
| 08/20/2009 | US20090208223 Four wave mixing suppression |
| 08/20/2009 | US20090208222 Optical transceiver, its communication method, and communication system |
| 08/20/2009 | US20090208221 Optical space transmission system using visible light and infrared light |
| 08/20/2009 | US20090208220 Systems and methods for generating RF pulses with reduced phase error |
| 08/20/2009 | US20090208219 Multimode Communications System |
| 08/20/2009 | US20090208216 Dispersion compensation |
| 08/20/2009 | US20090208215 Method and device for stabilizing multi-channel optical signal wavelengths |
| 08/20/2009 | US20090208214 Extinction ratio control using a frequency spread tone to modulate optical signal power levels |
| 08/20/2009 | US20090208211 Optical communications network and intensity adjustment method for optical communications network |
| 08/20/2009 | US20090208210 Passive optical network remote protocol termination |
| 08/20/2009 | US20090208206 Systems and methods for private network-to-network interface out-of-band signaling and path blocking |
| 08/20/2009 | US20090208205 Photonic Based Cross-Correlation Homodyne Detection with Low Phase Noise |
| 08/20/2009 | US20090208203 Methods of restoration in an ultra-long haul optical network |
| 08/20/2009 | US20090208202 Method and device for complex analysis of optical spectrums |
| 08/20/2009 | US20090208201 Fast fault notifications of an optical network |
| 08/20/2009 | US20090207482 Optical transmission system using raman amplifier and controlling method thereof |
| 08/19/2009 | EP2091166A1 Passive optical network communication system |
| 08/19/2009 | EP2091161A1 A method and device for stabilizing multi-channel optical signal wavelength |
| 08/19/2009 | EP1994658B1 Modulator device for generating an optical transfer signal modulated by means of a binary signal |
| 08/19/2009 | EP1955453B1 Method and system for measuring average q-factor in optical networks |
| 08/19/2009 | EP1903693B1 A method for processing channel failure in automatically switched optical network |
| 08/19/2009 | EP1732248B1 Infrared communication unit for relaying between a main unit and a terminal unit |
| 08/19/2009 | EP1476968B1 Broadband wireless communication system and method |
| 08/19/2009 | EP1227606B1 Optical transmission device and optical repeating device |
| 08/19/2009 | CN201294543Y Interconnect fiber-optical LAN |
| 08/19/2009 | CN201294527Y Common fibre-optical directly-discharging station for time division duplexing and frequency-division duplexing |
| 08/19/2009 | CN201294526Y Signal receiving and transmitting device of plastic optical fiber communication system |
| 08/19/2009 | CN201294525Y Optical signal shunt circuit and optical module with the same |
| 08/19/2009 | CN201294324Y Whole fiber-optical laser and optical fiber communication system |
| 08/19/2009 | CN201293852Y High-reliability miniature single-fiber bidirectional FC type light receiving-transmitting module |
| 08/19/2009 | CN201293851Y High-reliability miniature single-fiber bidirectional DIN type light receiving-transmitting module |
| 08/19/2009 | CN201293850Y High-reliability miniature single-fiber bidirectional light receiving-transmitting module with tail fiber self |
| 08/19/2009 | CN201293849Y High-reliability miniature single-fiber bidirectional DIN type light receiving-transmitting module |
| 08/19/2009 | CN101512970A Dynamic bandwidth allocation and service differentiation for broadband passive optical networks |
| 08/19/2009 | CN101510818A Detection method, device and system for optical fiber link |
| 08/19/2009 | CN101510811A 无源光网络通信系统 Passive optical network communication systems |
| 08/19/2009 | CN101510805A Optical fiber access system of multi-service optical fiber transceiver |
| 08/19/2009 | CN101510804A Method and apparatus for modulating and demodulating signal of optical fiber radio system |
| 08/19/2009 | CN101510803A Error correcting system and method of wireless laser communication GF(q) domain |
| 08/19/2009 | CN101510802A Circuit for measuring outburst mode optical signal power |
| 08/19/2009 | CN100531445C Controlling method for realizing automatic discovery of resource information based on automatic switched optical network |
| 08/19/2009 | CN100531145C Data transfer method for cooperative work of the link layer and transport layer in the dynamic optical network |
| 08/19/2009 | CN100531050C Adaptive optical transmission network connecting performance optimization method and equipment |
| 08/19/2009 | CN100529938C Optical transmission system and optical filter assembly for submarine applications |
| 08/19/2009 | CN100529844C 电子电路装置及计算机 An electronic circuit device and computer |
| 08/19/2009 | CN100529818C Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component |
| 08/19/2009 | CN100529817C Colorless tunable dispersion compensator employing a planar lightwave circuit and a deformable mirror |
| 08/19/2009 | CN100529811C Normally dark y-branch digital optical switches and variable optical attentuators |
| 08/19/2009 | CN100529780C Extended automatic protection switching arrangement |
| 08/18/2009 | US7577855 System for controlling current flow to electronic attachment device |
| 08/18/2009 | US7577370 Method and apparatus for extracting optical clock signal |
| 08/18/2009 | US7577369 Systems for deploying an optical network |
| 08/18/2009 | US7577368 Optical communication apparatus and optical add/drop apparatus |
| 08/18/2009 | US7577367 Optical communication using duobinary modulation |
| 08/18/2009 | US7577366 Selectable dispersion enhancement |
| 08/18/2009 | US7577365 Optical pulse regeneration device, installation comprising one such device and use of same |
| 08/18/2009 | US7577364 Optical wireless communications |
| 08/18/2009 | US7577361 Optical network system and optical coupling apparatus |
| 08/18/2009 | US7577360 System and method for second order multi-layer traffic grooming for optical network optimization |
| 08/18/2009 | US7577359 System and method for SONET transport optimization (S-TOP) |
| 08/18/2009 | US7577358 Apparatus, system and method for optical packet switching using frequency header |
| 08/18/2009 | US7577356 Optical communication systems and methods of operating such optical communication systems |
| 08/18/2009 | US7577355 Optical path cross-connect and optical wavelength multiplexing diversity communication system using the same |
| 08/18/2009 | US7577254 Detector autocalibration in QKD systems |
| 08/13/2009 | WO2009100252A2 Adjustable bit rate optical transmission using programmable signal modulation |
| 08/13/2009 | WO2009100148A1 Dispersion mapping of transmitted channels in a wdm system |
| 08/13/2009 | WO2009099606A2 System for combining high-definition video control signals for transmission over an optical fiber |
| 08/13/2009 | WO2009098677A1 Technology for providing telecommunication services to multiple optical communication lines |
| 08/13/2009 | WO2009097751A1 Method and apparatus for generating dqpsk encoding optical signal |
| 08/13/2009 | WO2009082113A3 Wavelength division multiplexing-passive optical network using external seed light source |
| 08/13/2009 | WO2009078608A3 Optical network system for providing wireless broadband services |
| 08/13/2009 | WO2009055035A3 High sensitivity two-stage amplifier |
| 08/13/2009 | US20090202259 Current mirror circuit and optical receiver circuit using the same |
| 08/13/2009 | US20090202258 Method for improving the performance of phase-modulated communication systems in an optical network |
| 08/13/2009 | US20090202257 Optical transmission apparatus and system |
| 08/13/2009 | US20090202256 Laser package including semiconductor laser and memory device for storing laser parameters |
| 08/13/2009 | US20090202255 Abstract optical receiver with automatic distortion cancellation |
| 08/13/2009 | US20090202254 Wide field-of-view amplified fiber-retro for secure high data rate communications and remote data transfer |
| 08/13/2009 | US20090202253 Optically isolated analog audio circuits |
| 08/13/2009 | US20090202250 Universal remote controller having home automation function |
| 08/13/2009 | US20090202248 Wavelength division multiplexing system, method and device for its residual dispersion compensation |