Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
03/2012
03/14/2012CN102379105A Optical multiplexing terminating device, passive optical network system, and method for allocating frequency
03/14/2012CN102379095A Method and apparatus for link sharing among multiple epons
03/14/2012CN102378203A Digital optical fiber distribution system for building mobile communication signal coverage
03/14/2012CN102378072A Frequency hopping period optical coding and decoding method and optical coder decoder
03/14/2012CN102377724A Uplink and downlink transmission system based on single-wavelength orthogonal frequency division multiple access (OFDMA) passive optical network
03/14/2012CN102377642A Plastic fiber access layer Ethernet switch
03/14/2012CN102377556A Method and system for realizing timestamp synchronization of active and standby optical line terminals
03/14/2012CN102377507A Optical bridge device based on GPON and ranging method thereof
03/14/2012CN102377491A Planar optical waveguide type differential quadrature phase shift keying demodulator
03/14/2012CN102377490A Optical transmitter module predistortion circuit for cable television front-end optical communication platforms
03/14/2012CN102377489A Optical subscriber network
03/14/2012CN102377488A Optical fiber control device as well as optical fiber communication network and use method thereof
03/14/2012CN102377487A Data receiving device supporting data transmission in image form
03/14/2012CN102377486A System and method for monitoring non-reflection faults in passive optical network (PON) optical link
03/14/2012CN102377485A Method and device for demodulating pilot-tone modulation signals
03/14/2012CN102377484A Method for detecting business security of station in-out cable of transmission network station
03/14/2012CN102377483A FPGA (field programmable gate array) detection method for fiber-cut and power-cut alarming of PDH (plesiochronous digital hierarchy) device
03/14/2012CN102377482A Transmission method and device of fiber channel service failures
03/14/2012CN102377481A Ranging method and ranging system in passive optical network
03/14/2012CN102377480A Evaluating method and parameter testing method for optical equipment of dense wavelength division multiplexing (DWDM) system
03/14/2012CN102377479A Data synchronization method and system and optical network units
03/14/2012CN102376780A Silicon pedestal with embedded high density capacitor
03/14/2012CN101207441B Infrared light receiving/transmitting module
03/13/2012US8135288 System and method for a photonic system
03/13/2012US8135287 100 Gbit/s OFDM optical signal generation
03/13/2012US8135286 Method of providing duplex optical communications and optical modulator therefor
03/13/2012US8135285 Optical transmission system and method
03/13/2012US8135284 Fiber misconnection detecting method and device
03/13/2012US8135283 Clock recovery with channel coefficients
03/13/2012US8135282 Fiberoptic transceiver module with integral status indicators
03/13/2012US8135281 Free space optical connector
03/13/2012US8135279 OFDM direct detection using a balanced receiver
03/13/2012US8135278 Bidirectional wavelength-division-multiplexed passive optical network
03/13/2012US8135277 Delayed optical router/switch
03/13/2012US8135276 Quantum repeater
03/13/2012US8135275 Measuring chromatic dispersion in an optical wavelength channel of an optical fiber link
03/13/2012US8135274 System and method for fault identification in optical communication systems
03/13/2012US8135273 Systems and methods of optical path protection for distributed antenna systems
03/13/2012US8134777 Optical switch assembly and network incorporating same
03/13/2012US8134776 Optical amplifier output control based on change in detected input power
03/13/2012US8134454 Receiver module with dual mode capability
03/13/2012US8134114 Direct attach optical receiver module and method of testing
03/13/2012US8134106 Current detection circuit
03/13/2012CA2549466C Tunable radio frequency and microwave photonic filters
03/08/2012WO2012029169A1 Optical communication system
03/08/2012WO2012028466A1 Single photon emission system
03/08/2012WO2012028277A1 Local area network having a base station and a plurality of radio cell base stations, connected by means of optical lines, with configurable association of data channels with radio channels
03/08/2012WO2011110126A3 Self-injection optical transmitting and receiving module and wavelength division multiplexing passive optical network system
03/08/2012US20120060182 Digital domain content processing and distribution apparatus and methods
03/08/2012US20120057884 Method, apparatus, and system for feedback control of coherent receiver
03/08/2012US20120057883 Method for data processing in an optical network component and optical network component
03/08/2012US20120057881 Dispersion tolerant optical system and method
03/08/2012US20120057880 Cross-talk reduction in a bidirectional optoelectronic device
03/08/2012US20120057879 Discrete bootstrapping in an optical receiver to prevent signal feedback
03/08/2012US20120057878 Communication device and control method of the same
03/08/2012US20120057877 Method and system for providing a return path for signals generated by legacy terminals in an optical network
03/08/2012US20120057876 Method for amplifying a burst optical signal, burst optical amplifier and system, and communications system
03/08/2012US20120057871 Apparatus and Methods for Adaptively Using Signals to Control a Semiconductor Optical Amplifier (SOA)
03/08/2012US20120057870 Method, apparatus and system for transmitting and receiving client signals
03/08/2012US20120057867 Optical usb thin card
03/08/2012US20120057866 Redundant ring resonators of varying dimensions to reduce ring resonator tuning requirements
03/08/2012US20120057864 Optical transmission apparatus including cooler
03/08/2012US20120057863 Frequency-dependent i/q-signal imbalance correction for coherent optical transceivers
03/08/2012US20120057221 Optical integration system and method
03/08/2012US20120057151 Signal light monitoring apparatus and signal light monitoring method
03/08/2012DE102011078981A1 Ein Opto-Isolator, der ein nicht-transparentes Hohlrohr als optischenWellenleiter nutzt, der sich zwischen den Sender- und Empfängermodulen desOpto-Isolators erstreckt An opto-isolator, which uses a non-transparent hollow tube as optical waveguide extending between the transmitter and receiver modules desOpto-insulator
03/08/2012DE102010044236A1 Lokales Netzwerk Local network
03/07/2012EP2426861A1 Method and apparatus for detecting ethernet operation, administration and maintenance (oam)
03/07/2012EP2426837A1 Access network with redundant system design
03/07/2012EP2426836A1 A dual polarization transceiver
03/07/2012EP2425676A1 Distributed antenna system for wireless network systems
03/07/2012EP2425558A1 Method and device for optically transmitting data
03/07/2012EP2425557A1 Method and apparatus for the optical transmission of data
03/07/2012EP2425556A1 Method and apparatus for fault discovery in a passive optical network (pon)
03/07/2012EP2283594B1 Infrared receiver circuit
03/07/2012EP2119123B1 Technique for managing optical networks
03/07/2012EP2051411B1 Quantum communication apparatus, quantum communication system and quantum communication method
03/07/2012CN202160190U Optical fiber transmission field bus system for ships
03/07/2012CN202160181U 无中继光纤传输系统 Unrepeated fiber optic transmission system
03/07/2012CN202160180U 用于光纤上的射频网络的上行通道突发模式光发射电路 Burst mode is used for the uplink channel on the radio network fiber optical transmission circuit
03/07/2012CN202160179U 具有高输出功率的2.6GHz带宽的外调制光发射机 Externally modulated optical transmitter with high output power of 2.6GHz bandwidth
03/07/2012CN202160178U 1.7GHz带宽的1550nm光发射机 1.7GHz bandwidth 1550nm optical transmitter
03/07/2012CN202160177U 一种收发调制方式不同的40g光模块 A different modulation 40g transceiver optical module
03/07/2012CN202160176U 一种基于片上系统的无线光总线系统 An on-chip system based on wireless optical bus system
03/07/2012CN1983923B Triple churning
03/07/2012CN102369680A Optical relaying R-type and GR-type receiver system
03/07/2012CN102369679A Multi-channel optical assembly and test system
03/07/2012CN102369678A Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
03/07/2012CN102369677A Optical fibre network test device
03/07/2012CN102369676A Optical transmitter, photonic detector and passive optical network system
03/07/2012CN102368693A Light emitting module data acquisition circuit used for cable television front optical communication platform
03/07/2012CN102368692A Passive optical network unit replacing method based on logic serial number
03/07/2012CN102368691A Optical link protection switching realizing method in Ethernet passive optical network system
03/07/2012CN101814940B Digital intermediate frequency optical fiber repeater and adopted multi-channel digital frequency selection signal processing method thereof
03/07/2012CN101557259B Full rate improving system of optical data packet with long-frame structure
03/07/2012CN101510803B Error correcting system and method of wireless laser communication GF(q) domain
03/07/2012CN101398517B Single fiber three-way photoelectric module electric cross talk restraining method and structure thereof
03/07/2012CN101232343B Method for locating embedded control path fault
03/07/2012CN101197624B Millimeter wave subcarrier light transmitter based on double-frequency optical fiber laser
03/07/2012CN101197621B Method and system for remote diagnosing and locating failure of network management system
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