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) |
---|
11/10/2004 | CN1544968A Approximate coplanar waveguide compatible with duct type photo-detector pickoff tube core and fabricating method thereof |
11/10/2004 | CN1175620C Automatic discovery and positioning method of the network elements in network management system in case that network topology is configured |
11/10/2004 | CN1175597C Buffer-storage-free photo-exchanging matrix based on sharing wavelength converter |
11/10/2004 | CN1175596C Great-range system delay regulating method and circuit for passive optical network |
11/09/2004 | US6816684 Method of generating a clock signal of exact phase from an optical input signal and optical receiver therefor |
11/09/2004 | US6816683 Wavelength division multiplexing communications network supervisory system |
11/09/2004 | US6816682 Global gateway architecture for interconnecting regional satellites into a communication network |
11/09/2004 | US6816681 Analogous channel method for performance monitoring and equalization in optical networks |
11/09/2004 | US6816680 Optical communications network and nodes for forming such a network |
11/09/2004 | US6816659 Unit for compensating the chromatic dispersion in a reconfigurable manner |
11/09/2004 | US6816657 Raman fiber optic amplifier with reduced dispersion |
11/09/2004 | US6816656 Method and device for handling optical pulse signals |
11/09/2004 | US6816639 Optically powered and controlled optical switch |
11/09/2004 | US6816566 Noncontact type signal transmission device and x-ray computed tomography apparatus including the same |
11/09/2004 | US6816299 Method and system for optimization of an optical transmission signal which is modulated with a binary data signal |
11/09/2004 | US6816112 Hybrid RF/optical acquisition and tracking system and method |
11/09/2004 | US6815662 Apparatus and method for measuring optical signals by optical sampling |
11/09/2004 | US6814504 Optical communication device |
11/09/2004 | US6814376 Method and system for generating short pulse signals |
11/04/2004 | WO2004095849A2 Communication systems incorporating hts filters and non-linear modulators such as rf-light modulators |
11/04/2004 | WO2004095751A1 Optical network, and method, for the transmission of wdm channels |
11/04/2004 | WO2004095740A1 Optical receiver and optical transmission system |
11/04/2004 | WO2004095739A1 Distributed and discrete amplification of optical signals |
11/04/2004 | WO2004095738A1 Counter-pumped distributed raman amplification in wavelength division multiplex optical communication systems |
11/04/2004 | WO2004095737A2 Device for high-speed, local, wireless signal transmission |
11/04/2004 | WO2004095736A1 Reception error rate controller |
11/04/2004 | WO2004095735A2 Optical pulse regeneration device, installation comprising one such device and use of same |
11/04/2004 | WO2004095124A1 Single-photon generator |
11/04/2004 | WO2004095105A1 Optoelectronic circuit board with optical waveguide and optical backplane |
11/04/2004 | WO2004095098A1 High dispersion, wide band dispersion compensating optical fiber |
11/04/2004 | WO2004095082A2 Method and apparatus for reducing interference in an optical data stream using dataindependent equalization |
11/04/2004 | WO2004066510A3 Otdr arrangement for detecting faults in an optical transmission system employing two pairs of unidirectional optical fibers |
11/04/2004 | US20040219947 Wireless transmission device for a computer peripheral |
11/04/2004 | US20040218933 Polarization diversity receiver for optical transmission system |
11/04/2004 | US20040218932 Multi-detector detection of optical signals |
11/04/2004 | US20040218931 Linearized Optical Transmitter Using Feedback Control |
11/04/2004 | US20040218930 Method and apparatus for characterizing optical pulses using reduced complexity chronocyclic tomography |
11/04/2004 | US20040218929 Duobinary optical transmission apparatus |
11/04/2004 | US20040218928 Optical communication networks and methods of controlling them |
11/04/2004 | US20040218926 Optical add/drop multiplexer |
11/04/2004 | US20040218924 Optical communications system and method for transmittin point-to-point and broadcast signals |
11/04/2004 | US20040218922 System and method for WDM communication with interleaving of optical signals for efficient wavelength utilization |
11/04/2004 | US20040218921 Optical path crossconnect system with high expanding characteristic |
11/04/2004 | US20040218920 Pilot tones for optical signal wavelength identification and power measurement |
11/04/2004 | US20040218919 Method and apparatus for Q-factor monitoring using forward error correction coding |
11/04/2004 | US20040218890 Flat dispersion frequency discriminator (FDFD) |
11/04/2004 | US20040218866 Connecting method of optical function devices, and optical apparatus |
11/04/2004 | US20040218862 Wavelength dispersion compensator and optical transmission line |
11/04/2004 | US20040218856 Chromatic dispersion compensation module |
11/04/2004 | US20040218766 360 Degree infrared transmitter module |
11/04/2004 | US20040218688 Ultra-wideband communication through a power grid |
11/04/2004 | US20040218642 Optical frequency converter |
11/04/2004 | US20040218526 Bi-directional wavelength division multiplexing self-healing optical ring network |
11/04/2004 | US20040218288 Optical communication assembly |
11/04/2004 | US20040218258 Method and apparatus for controlling power transients in an optical communication system |
11/04/2004 | US20040218256 Optical Amplifier |
11/03/2004 | EP1473962A2 System and method for WDM communication with interleaving of optical signals for efficient wavelenth utilization |
11/03/2004 | EP1473960A2 Bi-directional wavelength division multiplexing self-healing optical ring network |
11/03/2004 | EP1473858A1 Chromatic dispersion compensation modul |
11/03/2004 | EP1473857A1 Apparatus and method for managing dispersion within an optical add/drop module |
11/03/2004 | EP1473856A2 Duobinary optical transmission apparatus |
11/03/2004 | EP1473855A1 Method and apparatus for Q-factor monitoring using forward error correction coding |
11/03/2004 | EP1472902A1 Apparatus, system and method for optical packet switching using frequency header |
11/03/2004 | EP1472893A1 Method and apparatus for browsing objects in a user's surroundings |
11/03/2004 | EP1472764A2 Method for configuring a laser operating system |
11/03/2004 | EP1472644A1 Laser temperature performance compensation |
11/03/2004 | EP1099200B1 Optical interface between receiver and tag response signal analyser in RFID system for detecting low power resonant tags |
11/03/2004 | CN2653790Y USB interface device for laser radio communication |
11/03/2004 | CN2653789Y Cross gain modulated wave length convertor |
11/03/2004 | CN2653544Y Beat frequency full light wave length converter |
11/03/2004 | CN2653540Y Electric control adjustable light attenuator |
11/03/2004 | CN2653525Y Optic fiber grating type wave length adjusting OADM device with temperature controller |
11/03/2004 | CN1543720A 光放大器 Optical amplifier |
11/03/2004 | CN1543260A System and method for WDM communication with interleaving of optical signals for efficient wavelength utilization |
11/03/2004 | CN1543113A Duobinary optical transmission apparatus |
11/03/2004 | CN1543093A Apparatus and method for managing dispersion within an optical add/drop module |
11/03/2004 | CN1543092A SCSI instruction optimization method based on FC-SAN storage device |
11/03/2004 | CN1543091A Method for measuring wavelength discrete value and nonlinear constant of optical fiber and measuring equipment thereof |
11/03/2004 | CN1543071A Multichannel photocoupler |
11/03/2004 | CN1543027A Bias flow generating circuit, laser diode drive circuit and light transmission transmitter |
11/03/2004 | CN1542500A Monobloc crystal integrated free space type vertical and horizontal network |
11/03/2004 | CN1542483A Optical module and a method of fabricating the same |
11/03/2004 | CN1542479A Strain tuning optical fiber grating dispersion dynamic compensation, monitoring device and method thereof |
11/03/2004 | CN1542470A Flexible optical fiber multipath image transmission device |
11/03/2004 | CN1174577C Producing laser light of different wavelengths |
11/03/2004 | CN1174570C Light receiving and emitting device |
11/03/2004 | CN1174569C Communication using spread spectrum methods over optical fibers |
11/03/2004 | CN1174568C Optical communication apparatus and method |
11/03/2004 | CN1174567C Autotest means for infrared transmission device |
11/03/2004 | CN1174566C 分支线路监视系统和分支线路监视方法 A branch line monitoring system and branch line monitoring method |
11/03/2004 | CN1174529C Frequency locker in optical fiber |
11/03/2004 | CN1174528C Optical fiber amplifier for controlling gain flatness |
11/02/2004 | US6813448 Suppression of stimulated brillouin scattering in optical transmissions |
11/02/2004 | US6813446 System for acquiring and maintaining reliable optical wireless links |
11/02/2004 | US6813445 Optical crossconnect apparatus and optical transmission system |
11/02/2004 | US6813426 Fiber with continuously changing chromatic dispersion |
11/02/2004 | US6813425 Fiber optic cable for increased transmission capacity and wavelength division multiplexing optical transmission system using the same |
11/02/2004 | US6813410 Optical switch for compensating for degradation of optical-coupling characteristic |
11/02/2004 | US6813305 Method and apparatus for optical wavelength conversion |
11/02/2004 | US6813288 Tunable optical signal oscillator |