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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04/15/2008 | US7359432 Speed negotiation for serial transceivers |
04/15/2008 | US7359408 Apparatus and method for measuring and compensating delay between main base station and remote base station interconnected by an optical cable |
04/15/2008 | US7359112 Individual band gain equalizer for optical amplifiers |
04/15/2008 | US7358854 Method and device to identify a periodic light source |
04/15/2008 | US7357581 Fibre optic transceiver |
04/15/2008 | CA2410137C Optical dynamic burst switch |
04/10/2008 | WO2008042475A1 Method and apparatus for determining latch position for decision-feedback equalization using single-sided eye |
04/10/2008 | WO2008040376A2 Method, apparatus and data carrier for compensating for channel depletion of a multi-channel signal in an optical link or optical network |
04/10/2008 | WO2008040256A1 A user authentication method, apparatus and system for passive optical network |
04/10/2008 | WO2008040142A1 A data transmission method, system and device |
04/10/2008 | WO2008040053A1 Single sideband orthogonal frequency division multiplexed optical fibre transmission |
04/10/2008 | WO2008010888A3 Automatic avalanche photodiode bias setting system based on unity-gain noise measurement |
04/10/2008 | WO2007092924A3 Dispersion management in branched optical networks |
04/10/2008 | US20080085128 Multi-stage method and system for coherent diffractive beam combining |
04/10/2008 | US20080085127 Optical transmitter and optical transmission system |
04/10/2008 | US20080085126 Optical Signal Shutoff Mechanism and Associated System |
04/10/2008 | US20080085125 All-optical regenerator and optical network incorporating same |
04/10/2008 | US20080085124 Clock generation with minimum number of crystals in a multimedia system |
04/10/2008 | US20080085123 Optical switch based on parametric interaction |
04/10/2008 | US20080085122 Optical Data Transmission, Optical Data Transceivers And Method Of Manufacturing And Packaging Thereof |
04/10/2008 | US20080085121 Optical transponder for secure optical communications and optical quadrature-measuring instrument |
04/10/2008 | US20080085120 Optical transceiver integratable with silicon vlsi |
04/10/2008 | US20080085117 System and method for communicating optical signals between a data service provider and subscribers |
04/10/2008 | US20080085115 Testing Optically Amplified Links With Time-Division Multiplexed Test Signals |
04/10/2008 | US20080085114 Optical transmission line monitoring device, optical transmission line monitoring method, and computer program |
04/10/2008 | US20080084605 Method and system for hybrid coherent and incoherent diffractive beam combining |
04/10/2008 | US20080084596 Active Mirror for Power Beaming |
04/10/2008 | DE102006045133A1 Anordnung zur Einstellung und Kompensation von Polarisationsmodendispersion ersten und zweiter Ordnung Arrangement for setting and compensation of polarization mode dispersion first and second order |
04/10/2008 | DE102006044296A1 Optical signal burst receiving arrangement for e.g. passive-optical network, has high pass filter with coupling capacitor and ohmic resistors, where resistance value of high pass filter is varied to change time constant |
04/10/2008 | DE102006030915B4 Optischer Empfänger für den Empfang eines Signales mit M-wertiger sternförmiger Quadratur-Amplitudenmodulation mit differenzieller Phasenkodierung und dessen Verwendung An optical receiver for the reception of a signal with m-valent stellate quadrature amplitude modulation with differential phase coding and the use thereof |
04/10/2008 | DE102006023184B4 Signalqualitäts-Detektor und dessen Verwendung Signal quality detector and its use |
04/10/2008 | DE102004035984B4 Verfahren und Anordnung zur optischen Halbduplex-Übertragung zwischen Profibus-Kabelsegmenten Method and apparatus for optical half-duplex transmission between Profibus cable segments |
04/10/2008 | CA2632137A1 Method, apparatus and data carrier for compensating for channel depletion of a multi-channel signal in an optical link or optical network |
04/09/2008 | EP1909414A1 Dynamic raman tilt compensation |
04/09/2008 | EP1909413A1 Improved bandwidth limited PSBT system |
04/09/2008 | EP1909412A1 Testing optically amplified links with time-division multiplexed test signals |
04/09/2008 | EP1908308A2 Digital certificate on connectors and other products using rfid tags and/or labels as well as rfid reader/interrogator |
04/09/2008 | EP1908194A2 Optical transmission system et device for receiving an optical signal |
04/09/2008 | EP1908193A2 Bidirectional hdcp transmission module using single optical fiber |
04/09/2008 | EP1908153A2 Raman amplifier structure |
04/09/2008 | EP1533921B1 Digital optical receiving apparatus and method for monitoring the quality of a modulated optical transmission signal |
04/09/2008 | EP1224756B1 Alternate phase modulation for non-soliton optical rz transmission |
04/09/2008 | CN101160757A Common electronic dispersion compensation arrangement for use with multiple optical communication channels |
04/09/2008 | CN101159844A Session television system with radio microphone and information processing method thereof |
04/09/2008 | CN101159602A Method and device of controlling signaling communication network |
04/09/2008 | CN101159598A Remote management method of passive optical network terminal equipment |
04/09/2008 | CN101159572A Digital session discussing system |
04/09/2008 | CN101159524A Automatic protection rearrangement checking method and device |
04/09/2008 | CN101159507A Optical communication system, optical communication apparatus, and optical communication method thereof |
04/09/2008 | CN101159506A PON communication channel balancing method, device and system |
04/09/2008 | CN101159496A Device to generate return-to-zero optical duo-binary system modulating signal |
04/09/2008 | CN101159495A Signal transmission system and method in passive optical fiber network |
04/09/2008 | CN101159494A Service protecting method for automatic exchange optical network |
04/09/2008 | CN101159493A Testing optically amplified links with time-division multiplexed test signals |
04/09/2008 | CN101159492A Simulation checking system and its method for SDH logical design |
04/09/2008 | CN101159491A Uplink time slot collision detection method and optical line terminal of passive optical network |
04/09/2008 | CN101159490A SFP self-loop light device |
04/09/2008 | CN101159489A Installation apparatus of optical transmission module |
04/09/2008 | CN101158796A EDFA transient state inhibition method and system |
04/09/2008 | CN101158732A Light transmit-receive integrated module self-cycle realizing device |
04/09/2008 | CN100380963C System and method of providing integrated communications and broadcasting service |
04/09/2008 | CN100380855C Light wavelength-multiplexing systems |
04/09/2008 | CN100380852C Dispersion-managed cable for raman-assisted transmission |
04/09/2008 | CN100380851C Method and device for crosstalk reduction in a bidirectional optical link |
04/09/2008 | CN100380850C Agile multi-beam free-space optical communication apparatus |
04/09/2008 | CN100380149C Dispersion compensated optical fibre and dispersion compensated optical fibre module |
04/08/2008 | US7356264 Chirp managed laser with electronic pre-distortion |
04/08/2008 | US7356263 Signal processor for converting signal |
04/08/2008 | US7356262 Time division multiplexing of analog signals in an optical transceiver |
04/08/2008 | US7356261 Optical wireless communications system |
04/08/2008 | US7356260 Residential signal beacon |
04/08/2008 | US7356258 Optical interconnection for traffic between a pair of DWDM rings |
04/08/2008 | US7356257 Optical switching apparatus and optical communication network system |
04/08/2008 | US7356256 Digital performance monitoring for an optical communications system |
04/08/2008 | US7356222 Wavelength selective optical device and method of tuning a wavelength characteristic of the same |
04/08/2008 | US7356220 Apparatus and method for reducing signal noise and OCDMA receiver and method |
04/08/2008 | US7355982 Subscriber line terminal device and loopback test method |
04/08/2008 | US7355979 Communication network, path setting method, network management system and node |
04/08/2008 | US7355966 Method and system for minimizing disruption in common-access networks |
04/08/2008 | US7355964 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems |
04/08/2008 | US7355963 Tone allocation in multipoint-to-point communication using orthgonal frequency division multiplexing |
04/08/2008 | US7355787 Optical transmission system and optical filter assembly for submarine applications |
04/08/2008 | US7355786 Raman amplifying device and raman amplifying system |
04/08/2008 | CA2483237C Optical digital-to-analog converter |
04/08/2008 | CA2223070C Optical cable with tubular metal core |
04/03/2008 | WO2008039575A1 Method and apparatus for non-linear decision-feedback equalization in the presence of asymmetric channel |
04/03/2008 | WO2008039014A1 Dynamic bandwidth allocation device for an optical network and method thereof |
04/03/2008 | WO2008038981A1 Automatic optical power control method for olt in pon |
04/03/2008 | WO2008038337A1 Optical electric field receiver and optical transmission system |
04/03/2008 | WO2008037653A1 A method, communication system and central communication unit for detecting a faulty peripheral communication unit |
04/03/2008 | WO2008037624A1 Arrangement for the adjustment and compensation of polarization mode dispersion of the first and second orders |
04/03/2008 | WO2008037621A1 Method for determining the optical signal-to-noise ratio and receiver device for an optical transmission system |
04/03/2008 | WO2008037573A2 Transceivers with an insertion counter |
04/03/2008 | WO2008037462A1 Demarcation devices, network and method |
04/03/2008 | WO2008037178A1 The optical network unit and its accessing method, the optical line terminal and the passive optical network system |
04/03/2008 | WO2008037124A1 A route query method in ason |
04/03/2008 | WO2008002950A3 Uplink power adjustment for a cable modem termination system |
04/03/2008 | WO2007092765A3 Managing gain tilt in an optically amplified transmission system |
04/03/2008 | WO2007067631A3 Skew correction system eliminating phase ambiguity by using reference multiplication |
04/03/2008 | WO2007067608A3 Average time extraction circuit for eliminating clock skew |