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)
08/2006
08/24/2006US20060187972 Core network system and optical transmission equipment
08/24/2006US20060187079 System and method for learning macro routines in a remote control
08/24/2006US20060186204 Combined multi-frequency electromagnetic and optical communication system
08/24/2006DE19708979B4 System zur Datenkommunikation über einen optischen Bus und Verfahren zur Steuerung des Systems System for data communication via an optical bus and method for controlling the system
08/24/2006DE102005047701A1 Optisches Netz zum Übertragen von Daten zwischen Vorrichtungen in einem Fahrzeug Optical network for transmitting data between devices in a vehicle
08/24/2006CA2533478A1 Fast dynamic gain control in an optical fiber amplifier
08/23/2006EP1694017A1 Method and apparatus for demodulating an optical differential phase-shift keying signal
08/23/2006EP1693976A1 Monitoring wavelenght dispersion variation using photon absorption
08/23/2006EP1693975A1 Performance monitoring for optical links
08/23/2006EP1693974A1 Optical fiber radio transmission system, transmission device, and reception device
08/23/2006EP1692790A1 Arrangement for the compensation of raman scattering
08/23/2006EP1692789A2 Multimode raman fiber device with mode discrimination
08/23/2006EP1692788A2 All-optical, 3r regeneration using the sagnac and mach-zehnder versions of the terahertz optical asymmetric demultiplexer (toad)
08/23/2006EP1692772A2 Optical signal equalizer with adjustable linear filter
08/23/2006EP1568158B1 Bidirectional emitting and receiving module
08/23/2006EP1425865A4 System for acquiring and maintaining reliable optical wireless links
08/23/2006EP1346499A4 A system and method for increasing channel capacity of fiber-optic communication networks
08/23/2006EP0950293B1 Monitoring system using an optical side tone as a test signal
08/23/2006EP0862819B1 Optical transmitter
08/23/2006CN2810047Y Electro optical network terminal
08/23/2006CN2810046Y A Free Space Optics (FSO) communication device
08/23/2006CN2810045Y 光接收机 Optical Receiver
08/23/2006CN2810044Y Non-directional infrared wireless transmission communication system
08/23/2006CN1823547A Method and apparatus for transmission control in an Ethernet passive optical network
08/23/2006CN1822723A Method for adjusting a hearing aid, hearing aid and mobile control unit for the adjustment of a hearing aid
08/23/2006CN1822528A Wavelength division multiplexing optical transmission system and method
08/23/2006CN1822524A Infrared type radio microphone
08/23/2006CN1821834A Novel optical fiber signal modulator based on multiple light beam interference effect
08/23/2006CN1271807C Micro electromechanical system based optical add-drop multiplexer optical add-drop multiplexer
08/23/2006CN1271803C Self adaptive channel reservation and searching method in light burst exchange
08/23/2006CN1271802C Method for realizing light burst exchange connection control
08/23/2006CN1271801C On-line dispersing monitor based on semiconductor light amplifier frequency shift effect
08/23/2006CN1271800C Broadband optical fiber parameter amplifier
08/23/2006CN1271757C Multiple wavelength ultra continuous light sources
08/23/2006CN1271465C Single optical-fiber bidirectional photo amplifier
08/23/2006CN1271454C Hard magnetic garnet material, method for mfg. single crystal film, Faraday rotator, its mfg. method and use
08/23/2006CN1271436C Reflection type array wave guide modulating type photoswitch
08/23/2006CN1271431C Fibre-optical raster of implementing arbitrary target response
08/22/2006US7096257 Automatic assignment of addresses to nodes in a network
08/22/2006US7096176 Optical route design system and method for analyzing the performance of an optical fiber transmission path
08/22/2006US7095981 Low power infrared portable communication system with wireless receiver and methods regarding same
08/22/2006US7095963 Multi-channel optical receiver for processing tri-cell polarization diversity detector outputs
08/22/2006US7095962 Optical transmission system
08/22/2006US7095961 Optical communication system and optical receiver
08/22/2006US7095960 Spurious free dynamic range in optical communications systems
08/22/2006US7095957 Optical/radio local access network
08/22/2006US7095956 Method and apparatus for validating a path through a switched optical network
08/22/2006US7095955 System and method for performance monitoring in a passive optical network
08/22/2006US7095927 Optical distributor and optical distributing system
08/22/2006US7095768 Index guided VCSEL and method of fabrication
08/22/2006US7095333 Method and apparatus for enabling optical communication through low intensity indicators in an appliance that uses a vacuum fluorescent display
08/17/2006WO2006086120A2 Optical reservation-based network switch fabrics
08/17/2006WO2006085826A1 Optical msk data format
08/17/2006WO2006085375A1 Wavelength division multiplex apparatus
08/17/2006WO2006085370A1 Light amplifier, light amplifying relay, and excited light feed control method
08/17/2006WO2006085356A1 Light input break detection device
08/17/2006WO2006041732A3 Optical packet switching
08/17/2006WO2005033744A3 An airborne free-space-optical system utilizing three-tier, ultrafine steering
08/17/2006WO2004070457A3 Multiport optical amplifier with narrowcast power equalization
08/17/2006US20060182449 Optical transmitter with integrated amplifier and pre-distortion circuit
08/17/2006US20060182448 Apparatus and method for free space optical communications beam steering without gimbals
08/17/2006US20060182447 Optical communications system
08/17/2006US20060182445 Wavelength division multiplexed passive optical network system using light source wavelength-locked by injected incoherent light
08/17/2006US20060182443 Optical packet exchanger
08/17/2006US20060182441 Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (pic)
08/17/2006US20060182440 Fault isolation of individual switch modules using robust switch architecture
08/17/2006US20060182439 Method of using cable test to modify teaming failover algorithm
08/17/2006US20060182405 Preventing damage to optical components from optical time domain reflectometers
08/17/2006US20060182294 Method for setting a hearing aid, hearing aid mobile activation unit for setting a hearing aid
08/17/2006US20060182132 Local switching method using logical link ID in Ethernet passive optical network system
08/17/2006DE202006008817U1 Measuring and testing equipment for e.g. three-phase power socket, has transponder that is utilized for adjusting and storing device-specific data are between three-phase power socket and equipment
08/17/2006DE102005006016A1 Telecommunication arrangement for transmission of data, has fiber optic and non-optical connections between electrical central unit and camera, so that wide-band and narrow-band data are transmitted by respective connection
08/16/2006EP1691569A1 Semi-transparent reconfigurable optical switching device
08/16/2006EP1691495A1 Wavelength selective optical power measurement
08/16/2006EP1691494A1 Answer totalizer/analyzer
08/16/2006EP1690364A2 Coherent-states based quantum data-encryption through optically-amplified wdm communication networks
08/16/2006EP1690349A1 Method and apparatus for producing rz-dpsk modulated optical signals
08/16/2006EP1379016A4 Access method for data packet networks
08/16/2006EP1256193A4 Use of phase shift keyed coherent optical signaling in a wavelength division multiplexed optical fiber links
08/16/2006EP1186131B1 Method and system for increasing a number of information channels carried by optical waveguides
08/16/2006CN2807625Y Digital optical receiver
08/16/2006CN2807624Y Optical Termination
08/16/2006CN2807623Y Wavelength converter of all-optical network 650nm information transmission system
08/16/2006CN2807622Y Infrared automatic control guiding apparatus
08/16/2006CN2807621Y Expending type infrared light-controlled sending/receiving apparatus
08/16/2006CN2807288Y Micro optics optical fibre ring-shaped device
08/16/2006CN1819524A Automatic global guide interpreting system
08/16/2006CN1819493A Communication relay system, control method, program and information processing system
08/16/2006CN1819492A Single modulator realizing method of light modulating signal with return-to-zero-difference phase-shifting key control
08/16/2006CN1819485A Radio communication system
08/16/2006CN1818743A Farady rotator and optical device comprising same, and antireflection film and optical device comprising same
08/16/2006CN1818742A Electro-optical modulating method and device for transmission light based on tri-step electro-optical materials
08/16/2006CN1818734A Diffractive grating member and optical communication module
08/16/2006CN1818730A Superlong range light signalling transmission compensator
08/16/2006CN1818729A Chirp fibre-optical grating compensator with dispersion
08/16/2006CN1270465C Light transmission system and method
08/16/2006CN1270455C On-line signal offset monitoring method
08/16/2006CN1270453C Step transmission quantum safety direct communication method
08/16/2006CN1270452C Wavelength control using dither modulation and feedback
08/16/2006CN1270451C Compensation of dispersion in optical fiber transmission system and compensation optical fiber