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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09/27/2007 | US20070223932 Free-space optical hybrid |
09/27/2007 | US20070223931 Dispersion compensation type optical signal receiving apparatus, receiving circuit, receiving method, and receiving program |
09/27/2007 | US20070223930 Method and apparatus for infrared data communication |
09/27/2007 | US20070223929 Data port alignment of free space optical communications terminal with adaptive optics |
09/27/2007 | US20070223928 Method and system for providing a return path for signals generated by legacy terminals in an optical network |
09/27/2007 | US20070223927 Optical Pulse Time Spreader and Optical Code Division Multiplexing Transmission Device |
09/27/2007 | US20070223925 Light source wavelength control apparatus |
09/27/2007 | US20070223924 Optical transmission apparatus |
09/27/2007 | US20070223921 Optical switch system |
09/27/2007 | US20070223920 Method and Apparatus for Determining the Dynamic Range of an Optical Link in an HFC Network |
09/27/2007 | US20070223919 Optical apparatus |
09/27/2007 | US20070223918 Optical switching apparatus with optical reflection monitor and reflection monitoring system |
09/27/2007 | US20070223570 Distortion Compensating Equalizer |
09/27/2007 | US20070223543 Laterally Implanted Electroabsorption Modulated Laser |
09/27/2007 | US20070223490 Passive optical network (PON) system |
09/27/2007 | US20070223363 Control modulation in multipoint-to-point communication using orthogonal frequency division multiplexing |
09/27/2007 | US20070223362 System for orderwire modulation |
09/27/2007 | US20070223361 Method for orderwire modulation |
09/27/2007 | US20070223086 Optical amplifying device |
09/27/2007 | US20070223085 Multi-stage Raman amplifier |
09/27/2007 | US20070221931 Optoelectronic semiconductor device and light signal input/output device |
09/27/2007 | DE112004000304T5 Modul mit zwei bidirektionalen optischen Sendern/Empfängern Module with two bidirectional optical transmitters / receivers |
09/26/2007 | EP1838128A2 Optical switch system |
09/26/2007 | EP1838017A1 Cable segment for communication infrastructure |
09/26/2007 | EP1838016A1 Optical cable segment with tapping connections for a communications infrastructure |
09/26/2007 | EP1838015A1 Optical sending apparatus and optical transmission system |
09/26/2007 | EP1838014A1 Optical pulse time spreader and optical code division multiplex transmitter |
09/26/2007 | EP1836783A2 Methods and apparatus for optical wireless communication |
09/26/2007 | EP1836515A1 Apparatus and method for using a counter-propagating signal method for locating events |
09/26/2007 | EP1636929B1 Method for pre-emphasising optical signals in a transmission system comprising add-drop modules |
09/26/2007 | EP1590903B1 Device and method for high rate optical transmission and use of said device and method |
09/26/2007 | CN200953563Y TD-SCDMA optical fiber radio frequency long-distance transmitting equipment |
09/26/2007 | CN200953562Y Wideband multibusiness optical transmitting equipment utilizing speech and digital comprehensive multiplexing technique |
09/26/2007 | CN101044703A Protocol specific transceiver firmware |
09/26/2007 | CN101043758A 光交换系统 Optical switching system |
09/26/2007 | CN101043294A Slicing method for data frames and optical network unit |
09/26/2007 | CN101043287A Transmission method and system for wavelength-division multiplexed passive optical network |
09/26/2007 | CN101043280A Method and system for positioning user location |
09/26/2007 | CN101043276A Passive optical network (pon) system |
09/26/2007 | CN101043275A System and method for managing optical network unit or optical network terminal |
09/26/2007 | CN101043274A Modulator-free optical millimeter wave generating method and full-duplex optical fiber wireless communication system |
09/26/2007 | CN101043273A Directly modulated laser optical transmission system with phase modulation |
09/26/2007 | CN101043272A System and method for detecting optical fiber wiring troubles |
09/26/2007 | CN101043271A Method, equipment and system for switching optical service signal protection |
09/26/2007 | CN101043270A Optical transmission router and alarm processing method |
09/26/2007 | CN101043268A Apparatus and method for testing optical signal-noise ratio in optical amplifier transmission link |
09/26/2007 | CN101043267A Protection and recovery method and apparatus for elastic optical burst ring |
09/26/2007 | CN101042513A Control system capable of adjusting wavelengh of laser and method thereof |
09/26/2007 | CN101042454A Light code division multiple access decoder and manufacturing method therefor |
09/26/2007 | CN101042453A Optical cable segment with tapping connections for a communications infrastructure |
09/26/2007 | CN100340076C High-density wavelength division multiplexer |
09/26/2007 | CN100340075C Interleaving device/deinterleaver for making optical signal very less or not diffuse |
09/26/2007 | CN100340074C 光传输系统 The optical transmission system |
09/26/2007 | CN100340073C Improved optical modifier for maximizing nonreturn to zero modification |
09/25/2007 | US7274882 Method and apparatus for monitoring the power level of two or more optical transmitters |
09/25/2007 | US7274881 Optical line terminal and method that store the identity numbers of a number of optical network terminals that are associated with a single network end point |
09/25/2007 | US7274880 Raman assisted EDFA system and method |
09/25/2007 | US7274879 Compensation of temperature-induced dispersion drift in optical communication links |
09/25/2007 | US7274878 Dispersion compensation method in optical communication system having optical add drop multiplexing capability |
09/25/2007 | US7274877 Optical/radio local access network |
09/25/2007 | US7274876 Integrated electrical/optical hybrid communication system with revertive hitless switch |
09/25/2007 | US7274875 Optical channel power equalizer |
09/25/2007 | US7274874 Idle-pattern output control circuit used in a Gigabit Ethernet-passive optical network |
09/25/2007 | US7274872 System and method for subcarrier modulation as supervisory channel |
09/25/2007 | US7274871 Optical transmission system with raman amplifiers comprising a supervisory system |
09/25/2007 | US7274870 Apparatus and method for simultaneous channel and optical signal-to-noise ratio monitoring |
09/25/2007 | US7274869 System and method for providing destination-to-source protection switch setup in optical network topologies |
09/25/2007 | US7274837 Optical transmitter |
09/25/2007 | US7274791 Quantum cryptographic system and method for achieving unambiguous state discrimination measurement of coherent light states |
09/25/2007 | US7274755 Receiver |
09/25/2007 | US7274737 EHF equalizer implemented with MEMs tap weight controls |
09/25/2007 | US7274503 Distributed raman amplification |
09/25/2007 | US7274303 Power strip with control and monitoring functionality |
09/20/2007 | WO2007106177A2 Buffering schemes for optical packet processing |
09/20/2007 | WO2007105278A1 Optical switch and optical packet buffer |
09/20/2007 | WO2007104417A2 Data transmission in a system comprising structural textile units |
09/20/2007 | WO2007104211A1 Wavelength division multiplexing system and residual dispersion compensating device and method thereof |
09/20/2007 | WO2007104182A1 An optical transmission system for correcting the signal distortion in time-frequency domain and a method thereof |
09/20/2007 | WO2005104735A3 System and method for wave vector multiplexed laser communication |
09/20/2007 | US20070220572 Hybrid fiber optic and coaxial cable network node that contains a cable modem termination system |
09/20/2007 | US20070218712 Connection arrangement and method for optical communications |
09/20/2007 | US20070217795 Improvements Relating to Reception in Optical Networks |
09/20/2007 | US20070217794 Method for measuring optical characteristics and system thereof |
09/20/2007 | US20070217792 Optically transmitting apparatus, optically transmitting system and optically transmitting method |
09/20/2007 | US20070217791 Optical communications systems, devices, and methods |
09/20/2007 | US20070217788 Passive Optical Network System and Method for Protecting the Services of the Same |
09/20/2007 | US20070217744 Low Polarisation Mode Dispersion (PMD) Optical Fiber Link, and Method of Making the Same |
09/20/2007 | US20070217325 Distributed control in synchronizing remote units to host unit |
09/20/2007 | US20070217324 Distributed control in synchronizing remote units to host unit |
09/20/2007 | US20070216995 Optical fiber laser having improved efficiency |
09/20/2007 | DE102006012133A1 Datenübertragung in einem System aus textiltechnischen Baueinheiten Data transfer in a system of technical textile units |
09/20/2007 | DE10112511B4 Verfahren zur Qualitätsüberwachung und zur Übertragung von Netzmanagementinformationen in transparenten optischen Übertragungsnetzen Procedures for quality control and for the transmission of network management information in transparent optical transmission systems |
09/19/2007 | EP1835640A2 Optical receiver and optical reception method compatible with differential quadrature phase shift keying |
09/19/2007 | EP1834428A1 Optical pulse regeneration based on pulse temporal shaping |
09/19/2007 | EP1834427A2 Method and apparatus for raman crosstalk reduction via idle data pattern control |
09/19/2007 | EP1834386A2 System and method for optically powering a remote network component |
09/19/2007 | CN200950591Y Error-correcting unit and automatic configured telecommunication apparatus having the same |
09/19/2007 | CN200950168Y Single-arm lift-ring type unlocking device for photoelectric module |
09/19/2007 | CN101040468A Level detector for optical receivers |
09/19/2007 | CN101040467A Optical transceiver and method for coating the same |