Patents
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)
04/2008
04/30/2008CN100385841C Method for grooming of channels in WDM aptical communication systems
04/30/2008CN100385755C Integrated optical transducer assembly and method of forming the same
04/29/2008USRE40270 Optical amplifying device
04/29/2008US7366428 Optical receiver
04/29/2008US7366427 Line driver with variable bandwidth control
04/29/2008US7366426 Optical add/drop multiplexer using tunable filter and method for feedback controlling the tunable filter
04/29/2008US7366425 Methods and apparatus for spectrally efficient optical modulation
04/29/2008US7366424 Methods and apparatus for producing transmission failure protected, bridged, and dispersion resistant signals
04/29/2008US7366423 System having multiple agents on optical and electrical bus
04/29/2008US7366422 Dispersion compensating device and optical transmission system
04/29/2008US7366421 Single-to-multi mode converter and optical code division multiple access system using the same
04/29/2008US7366420 Optical transmission device
04/29/2008US7366419 Spatial transmit/receive isolation method for optical communication systems
04/29/2008US7366418 High-speed wireless personal area network system for extending service area
04/29/2008US7366416 Hub for a passive optical network hub
04/29/2008US7366415 Wavelength division multiplexing-passive optical network capable of integrating broadcast and communication services
04/29/2008US7366414 Method and apparatus utilizing tunable differential group delay
04/29/2008US7366413 Modular cross connect system with 3D-MEMS for optical telecommunication networks
04/29/2008US7366411 System and method for operating optical transponder
04/29/2008US7366410 Signal relay apparatus of optical communication system
04/29/2008US7366382 Optical beam diagnostic device and method
04/29/2008US7366368 Optical add/drop interconnect bus for multiprocessor architecture
04/29/2008US7366362 QPSK light modulator
04/29/2008US7366209 Orthogonal polarization multiplexing transmission apparatus and multiplexing method used for the same
04/29/2008US7366203 Passive optical network and ultrawide band adapter
04/29/2008US7366150 Indoor local area network system using ultra wide-band communication system
04/29/2008US7365902 Optical amplifier and optical communication system
04/29/2008CA2369403C Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch
04/29/2008CA2363203C Optical transmission systems including signal varying devices and methods
04/29/2008CA2229516C Compensation of dispersion
04/24/2008WO2008048930A2 Optical user interface system for automotive modules
04/24/2008WO2008048633A1 Photonic-based interconnects for interconnecting multiple integrated circuits
04/24/2008WO2008048372A2 Systems and methods for the integration of framing oam&p, and forward error correction in pluggable optical transceiver devices
04/24/2008WO2008047996A1 Apparatus and method for olt and onu for wavelength agnostic wavelength-division multiplexed passive optical networks
04/24/2008WO2008047982A1 Ship-shore communication system through 850nm vcsel converter
04/24/2008WO2008047972A1 Auto wiring system
04/24/2008WO2008047611A1 Communication apparatus, communication method, communication circuit, mobile phone, program, and computer readable recording medium with program recorded therein
04/24/2008WO2008047348A2 Estimation of bandwidth limiting effects in high frequency communication systems
04/24/2008WO2008046725A1 Optical transmitter for fiber optic data communication
04/24/2008WO2008046600A2 Method for transmitting data and data transmission device for remote control and/or remote inquiry
04/24/2008WO2008046340A1 Method and system for grating taps for monitoring a dwdm transmitter array integrated on a plc platform
04/24/2008WO2008046334A1 Power feeding equipment and method for receiver of avalanche photodiode
04/24/2008WO2008027257A3 Method and apparatus for increasing the security of the physical fiber plant by polarization monitoring
04/24/2008WO2008021567A3 Optical transmission using semiconductor optical amplifier (soa)
04/24/2008WO2007146428A3 Transponder for a radio-over-fiber optical fiber cable
04/24/2008US20080095543 Optical communication apparatus and optical add/drop apparatus
04/24/2008US20080095542 Integrated Termination For EO Modulator With RF Signal Monitoring Functionality
04/24/2008US20080095541 Optical transceiver for 40 gigabit/second transmission
04/24/2008US20080095540 Optical transmission device and optical transmission system
04/24/2008US20080095539 Apparatus for Controlling Channel Power Level in a Multi Channel System
04/24/2008US20080095538 Optical transponders with reduced sensitivity to polarization mode dispersion (PMD) and chromatic dispersion (CD)
04/24/2008US20080095537 Optical transmission device
04/24/2008US20080095535 System, device and method for transporting signals through passive optical network
04/24/2008US20080095534 Method for Operating a Telecommunications Access Network
04/24/2008US20080095533 Short-distance communication method and apparatus using visible light
04/24/2008US20080095532 Techique of identifying a defective subscriber device in a point-to-multipoint network without stopping normal subscriber devices
04/24/2008US20080095197 Methods and apparatus for improved communications networks
04/24/2008US20080094692 Optical transmitting apparatus having variable optical transmitting unit including plurality of paths
04/24/2008DE10357212B4 Taktregenerator für optische Zeitmultiplexsignale hoher Datenraten Clock regenerator for optical time division multiplexed signals of high data rates
04/24/2008DE10255165B4 Verfahren und Vorrichtung zum Auskoppeln von Monitorsignalen aus einer Nachrichtenübertragungsstrecke sowie Nachrichtenübertragungsstrecke Method and apparatus for coupling of monitor signals from a communications transmission link, and message transmission path
04/24/2008DE102007011204A1 Verfahren zur Übertragung von Daten und Datenübertragungsvorrichtung zur Fernsteuerung und/oder Fernabfrage A method of transmitting data and data transfer device for remote control and / or remote
04/24/2008CA2664690A1 Optical transmitter for fiber optic data communication
04/24/2008CA2601619A1 Method and apparatus for controlling channel power level in a multi channel system
04/23/2008EP1914911A1 Method and system for indoor communications with optical distribution
04/23/2008EP1914910A1 Fourth harmonic generating system using optical carrier suppressed double sideband modulator
04/23/2008EP1914849A1 Optical amplifier and a transmission system using the same
04/23/2008EP1913714A1 Method and system for polarization modem dispersion compensation
04/23/2008EP1913713A1 Phase monitor apparatus, phase control apparatus and methods thereof for optical dqpsk receiver
04/23/2008EP1913712A2 Communication transceiver architecture
04/23/2008EP1913664A2 Multimode fiber optic amplifier and method of amplifying optical signals
04/23/2008EP1913429A1 Apparatus and method for suppression of stimulated brillouin scattering in an optical fiber
04/23/2008EP1454440B1 Method and apparatus for providing optimized high speed link utilization
04/23/2008CN201051741Y Optical fiber multi-service access device
04/23/2008CN201051161Y A single optical fiber calibrator
04/23/2008CN201051158Y PLC single fiber bidirectional three-port component
04/23/2008CN101167276A Multi-channel data transmission system for computer tomographs
04/23/2008CN101167275A Accommodating multiple optical segments in an Ethernet passive optical network
04/23/2008CN101167273A Method and device for in-band optical performance monitoring
04/23/2008CN101167088A Method and apparatus for determining a location associated with an image
04/23/2008CN101166372A Wireless headphones
04/23/2008CN101166113A Message processing method for link maintenance in O-UNI system
04/23/2008CN101166112A Simplified message processing method for O-UNI system
04/23/2008CN101166110A Message processing method in link maintenance of O-UNI system
04/23/2008CN101166068A Radio over fiber system and method for controlling transmission time
04/23/2008CN101166064A Conversion device for RF remote distribution system in communication system
04/23/2008CN101166063A Integrated termination for eo modulator with RF signal monitoring functionality
04/23/2008CN101166062A A method and system for transmitting synchronization digital system frame in optical network
04/23/2008CN101166061A Optical transmission device
04/23/2008CN101166060A Infrared receiving/transmission module
04/23/2008CN101166059A An automatic time delay measurement method and system for optical fiber remote soft base station
04/23/2008CN101166048A Far end radio frequency unit data passage distribution method in radio communication system
04/23/2008CN101166041A Radio-frequency far end distributed system in radio communication system
04/23/2008CN100384173C Method and system for switching multi-point broadcast data packet
04/23/2008CN100384112C Process for optical communication and system for the same
04/23/2008CN100384111C Wireless communication equipment and method having harmonized primary and secondary transmitters
04/23/2008CN100383869C Optical data storage system utilizing polarization maintaining optical fiber
04/23/2008CN100383572C Electric control phase shift space optical hybrid
04/23/2008CN100383571C Birefringence free space optical hybrid
04/22/2008US7363553 System and method for adjusting soft decision thresholds in a soft-decision error correction system
04/22/2008US7363018 High speed electrical interconnect using an optically distributed carrier signal