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)
06/2007
06/12/2007US7231108 Lumped raman amplifier for adaptive dispersion compensation
06/12/2007US7230278 Optoelectronic semiconductor device and light signal input/output device
06/12/2007US7230227 Lenslet/detector array assembly for high data rate optical communications
06/12/2007CA2308482C Optical communication network
06/07/2007WO2007064648A2 Communications distribution system
06/07/2007WO2007064149A1 Power line communication system using hybrid-fiber coaxial and communication device used in the system
06/07/2007WO2007063533A1 Method and system for measuring average q-factor in optical networks
06/07/2007WO2007063292A1 A method and device for digitising an electrical signal
06/07/2007WO2007063288A1 A method and device for generating an electrical signal with a wide band arbitrary waveform
06/07/2007WO2007028927A3 Energy converting device and use thereof in remote powering and/or remote control of remotely-sited active optical components in an optical telecommunication network
06/07/2007WO2007024317A3 Quality of service in an optical network
06/07/2007US20070129733 Apparatus and methods for deployment of vascular prostheses
06/07/2007US20070127933 Optical DQPSK receiver apparatus
06/07/2007US20070127932 Method, system and apparatus for optical phase modulation based on frequency shift
06/07/2007US20070127931 Optical transceiver module
06/07/2007US20070127930 Skew correction system eliminating phase ambiguity by using reference multiplication
06/07/2007US20070127929 Signal regeneration device, optical receiver, and signal processing method
06/07/2007US20070127928 Large field of view modulating retro reflector (MRR) for free space optical communication
06/07/2007US20070127927 Communication optical system and free-space optics communication apparatus
06/07/2007US20070127926 Free space optical conditioner
06/07/2007US20070127924 Wavelength service providing apparatus in all-optical network
06/07/2007US20070127920 Method and system for speed negotiation for twisted pair links in fibre channel systems
06/07/2007US20070127919 Temperature compensation for transmission between nodes coupled by a unidirectional fiber ring
06/07/2007US20070127918 Fault Sensor For A Laser Driver Circuit
06/07/2007US20070127917 Node device, optical communication network, optical path reserve method and computer-readable medium comprising a program
06/07/2007US20070127604 Receiver and infrared wireless-earphone
06/07/2007US20070127593 Apparatus and method for transmitting/receiving a signal in a communication system
06/07/2007US20070127401 Optical wireless connecting terminal comprising an extended infrared source
06/07/2007US20070127113 Optical modulation apparatus
06/07/2007US20070127112 Optical communication apparatus
06/06/2007EP1793514A1 Adaptive preamble adjustment for burst-mode optical systems
06/06/2007EP1793513A2 Optical transmission apparatus
06/06/2007EP1792427A2 High-power, multiple output amplifier
06/06/2007EP1792419A1 Indirect optical free-space communications system and method for the broadband transmission of high-speed data
06/06/2007EP1264426B1 Raman amplifier system
06/06/2007DE112005001644T5 Vorrichtung, System und Verfahren zur Abänderung von Betriebseigenschaften optoelektronischer Vorrichtungen Apparatus, system and method for modification of operation characteristics of optoelectronic devices
06/06/2007CN1977477A System, method and apparatus for polarization mode dispersion compensation and demultiplexing polarization multiplexed signals
06/06/2007CN1977476A Optical add/drop amplification device
06/06/2007CN1977475A Optical modulation converter and method for converting the modulation format of an optical signal
06/06/2007CN1977474A Wavelenght division multiplexing passive optical network system
06/06/2007CN1977473A Transimpedance amplifier with integrated filtering and reduced parasitic capacitance
06/06/2007CN1977472A Microcontroller based thermoelectric cooler controller
06/06/2007CN1976267A Optical multiple transmission method, optical network and optical transmission apparatus
06/06/2007CN1976262A Method and apparatus for stabilizing multi-channel light wavelength
06/06/2007CN1976261A Integrated memory controller circuit for fiber optics transceiver
06/06/2007CN1976260A 突发模式光接收机 Burst-mode optical receiver
06/06/2007CN1976259A Directive non-feedback optical fiber one-way transmitting physica isolating method
06/06/2007CN1976258A Real-time monitoring method for quickly obtaining polarization mode dispersion information in optical fiber link
06/06/2007CN1976257A Subscriber optic-dividing box for FTTH using at WDM, EPON
06/06/2007CN1975480A Double-layer structural wideband light source
06/06/2007CN1975478A High-order golden section Hamming function apodizing edition and method for making chirp optical fiber grating
06/06/2007CN1320803C Dynamic distribution control method of upward band width in passive optical network
06/06/2007CN1320790C Broad band dispersion compensation method and fibre-optical communication system using the method
06/06/2007CN1320789C Method for resoving light burst resource conflict
06/06/2007CN1320422C Interface module for transmitting digital video signal
06/06/2007CN1320401C Decimal programmable light time delay device
06/05/2007USH2190 Sampled analog transmission
06/05/2007US7228077 Channel gain control for an optical communications system utilizing frequency division multiplexing
06/05/2007US7228076 Method for remodulation of a modulated optical signal and device for remodulation and transmission system
06/05/2007US7228075 Wavelength multiplexing apparatus and signal conversion apparatus
06/05/2007US7228074 Infrared repeater system, method, and adjustable brightness emitter therefor
06/05/2007US7228073 Optical signal transmission device
06/05/2007US7228072 System and method for integrating a fiber optic fixed access network and a fiber optic radio access network
06/05/2007US7228071 Wavelength division multiplexing optical switching system
06/05/2007US7228037 Integrated polarization beam splitter with quarter-wave plate for polarimeter and PMD compensation applications
06/05/2007US7228027 Arrangement for low cost path protection for optical communications networks
06/05/2007US7228024 Optical return loss detecting device
06/05/2007US7228021 Bidirectional optical add/drop multiplexer and wavelength division multiplexed ring network using the same
06/05/2007US7227681 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
06/05/2007US7227246 Matching circuits on optoelectronic devices
06/05/2007US7226220 Clamshell packaging structure
06/01/2007CA2569764A1 Method, system and apparatus for optical phase modulation based on frequency shift
05/2007
05/31/2007WO2007062407A2 Laser source for a passive optical network
05/31/2007WO2007060469A1 Fibre-optic module
05/31/2007WO2007043121A9 Optical signal transmission control device and optical signal transmission control method
05/31/2007WO2007005324B1 Automated optical link power control
05/31/2007WO2007002544A3 Driving a laser using an electrical link driver
05/31/2007US20070122163 Burst mode optical receiver
05/31/2007US20070122162 Method and apparatus for encoding optical power and non-payload data in an optical signal
05/31/2007US20070122161 Fiber optical transmission system, transmitter and receiver for DQPSK modulated signals and method for stabilizing the same
05/31/2007US20070122160 Phase controllable optical delay interferometer, optical differential phase shift keying demodulator using the same, and demodulating method therefor
05/31/2007US20070122159 Passive optical network media access controller assisted clock recovery
05/31/2007US20070122158 Chromatic dispersion compensation system and method
05/31/2007US20070122157 Circuit, System and Method for Monitoring an Optical Fiber Network
05/31/2007US20070122156 Apparatus, system, and method for interconnecting electrical and electronic signals
05/31/2007US20070122155 Optical antenna with optical reference
05/31/2007US20070122153 Optical code division multiplexing transmission/reception method and optical code division multiplexing transmission/reception device
05/31/2007US20070122150 Address recognition apparatus
05/31/2007US20070122149 Transparent optical switch
05/31/2007US20070122148 Method of monitoring and controlling the bit error rate (ber) in an optical communication network
05/31/2007US20070121713 Pulse pattern generator and communication device evaluation system utilizing the same
05/31/2007US20070121635 Method of implementing association in Automatic Switched Optical Network (ASON)
05/31/2007US20070121577 Physical wiring control device, physical wiring control method, and computer product
05/31/2007US20070121195 Transmission apparatus
05/31/2007US20070121189 Data transmission devices for communication facilities of a passive optical network
05/31/2007US20070121096 Method and device for ensuring interaction between a distance meter and a surveying application
05/31/2007DE202007002068U1 In optische Anzeige integrierte Infrarot Schnittstelle In optical display integrated infrared interface
05/31/2007DE19857974B4 Einrichtung zur Detektion der Position eines optischen Strahlenbündels Means for detecting the position of an optical beam
05/31/2007DE10245494A1 Mehrfachimpulsgenerator Multi-pulse generator
05/31/2007DE102005057240A1 Verfahren und Vorrichtung zur Datenübertragung mit analogen Signalen Method and apparatus for data transfer with analog signals