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)
09/2013
09/26/2013WO2013140769A1 Direct-current offset control circuit, optical receiver, optical node device, and method for controlling optical receiver
09/26/2013WO2013140634A1 Optical transmitter and method for controlling the same
09/26/2013WO2013140587A1 Optical transmitter
09/26/2013WO2013140493A1 Wavelength selective switch, variable dispersion compensator, monitoring device, monitoring method, optical transmission device and optical transmission system
09/26/2013WO2013139368A1 Phase shift keying optical modulation apparatus and method of encoding a symbol onto an optical carrier signal
09/26/2013WO2013139367A1 Wdm link for radio base station
09/26/2013WO2013139256A1 Method and apparatus of using joint timing recovery for a coherent optical system
09/26/2013WO2013139039A1 Method and apparatus for detecting optical signal-to-noise ratio, node device, and network system
09/26/2013WO2013070525A3 Apparatus and method for providing protection in a passive optical network
09/26/2013US20130251379 Adaptive equalization in coherent fiber optic communication
09/26/2013US20130251378 Two-phase optical communication methods and optical bus systems for implementing the same
09/26/2013US20130251377 Optical transceiver system
09/26/2013US20130251375 Receiver, transmitter and communication system
09/26/2013US20130251374 Transmitting and receiving apparatus and method for light communication, and the light communication system thereof
09/26/2013US20130251371 Systems and methods for scheduling business and residential services in optical networks
09/26/2013US20130251370 Optical receiver, polarization separation device and polarization separating method
09/26/2013US20130251369 Signal processing circuit, signal processing method, optical receiver and optical communication system
09/26/2013US20130251368 Wavelength reassignment in optical networks
09/26/2013US20130251367 Control method, optical transmission device, and control device for optical transmission system, and optical transmission system
09/26/2013US20130251366 Establishing connection across a connection-oriented first telecommunications network in response to a connection request from a second telecommunications network
09/26/2013US20130251363 Systems and methods for reducing thermal tails on optical time domain reflectometer (otdr) measurements
09/26/2013US20130251362 Performance Monitoring in Passive Optical Networks
09/26/2013US20130251361 Enhanced Status Monitoring, Storage and Reporting for Optical Transceivers
09/26/2013US20130250981 Array Comprising a Plurality of Adjustable Optical Devices
09/26/2013US20130249292 Power distribution module(s) capable of hot connection and/or disconnection for distributed antenna systems, and related power units, components, and methods
09/26/2013DE10217073B4 Miniatur-Halbleitergehäuse für optoelektronische Bauelemente Miniature semiconductor package for optoelectronic devices
09/26/2013DE102012204361A1 Verfahren zum Erkennen einer fehlerhaften Funktionsweise einer Schnittstelleneinrichtung, Schaltungsanordnung mit einer Schnittstelleneinrichtung sowie medizinisches Gerät mit einer solchen Schaltungsanordnung A method for detecting an erroneous operation of an interface device, the circuit arrangement with an interface device as well as a medical device having such a circuit arrangement
09/25/2013EP2642671A1 Optical communication module
09/25/2013EP2642659A1 Tunable optoelectronic oscillator with low phase noise
09/25/2013EP2641344A1 Multi-stage polarization mode dispersion compensation
09/25/2013CN203219305U Single-chip optical transceiving integrated module
09/25/2013CN203219304U Energy-efficient multicarrier digital fiber microwave remote extension system
09/25/2013CN203219303U High-density SFP optical fiber connection opening switch machine and heat dissipation device thereof
09/25/2013CN203219302U Marine intelligent lamplight communication system
09/25/2013CN203219301U Optical transceiving integrated module testing device
09/25/2013CN203219300U Threshold detection-based fault detection apparatus for laser and transmission medium
09/25/2013CN203219299U Long luminescence detection circuit
09/25/2013CN203217774U Intelligent bus stop plate system based on POE/PON technology
09/25/2013CN103329465A Method and system for WDM transmission with chromato-temporal coding
09/25/2013CN103329462A Frame formatting for high rate optical communications
09/25/2013CN103329461A Optical communication system and method
09/25/2013CN103329460A Optical integration system for disaster emergency broadcasting communication
09/25/2013CN103329459A Method for coupling an emitting device to a frequency splitter in an optical passive network
09/25/2013CN103327652A Double radio station redundancy system of satellite-borne ZigBee network coordinator
09/25/2013CN103327421A Method and system for configuring protective resources in dense light wave multiplexing networks
09/25/2013CN103327317A Light communication transmitting and receiving apparatus and method, and light communication system and method
09/25/2013CN103326848A Method and system for achieving full duplex for infrared communication
09/25/2013CN103326790A Optical transmitter capable of automatically controlling power
09/25/2013CN103326789A System and method for frequency tunable microwave phase shifting
09/25/2013CN103326788A Device and method for high-speed digital modulation on pulsed laser
09/25/2013CN103326787A Vehicle-mounted optical transmitter
09/25/2013CN103326786A Infrared emission circuit, emission terminal of infrared remote control system and implementation method of emission terminal of infrared remote control system
09/25/2013CN103326785A Vehicle-mounted optical transmitter and receiver
09/25/2013CN103326784A 光通讯系统 Optical Communication Systems
09/25/2013CN103326783A Signal transmission method, relevant equipment and signal transmission system
09/25/2013CN103326782A Method for improving multi-carrier light source carrier-to-noise ratios
09/25/2013CN103326781A Optical switching apparatus and method
09/25/2013CN103326780A Free space optical-communication APT system and method based on compressive sensing receiver
09/25/2013CN103326779A Free space light communication system and method based on compressed sensing
09/25/2013CN103326778A Luminous power measuring method and system for coarse wavelength division multiplexing system
09/25/2013CN103326777A Optical power monitor, optical power control system and optical power monitor method
09/25/2013CN103326776A Measuring method for detecting optical network failure and device
09/25/2013CN103326775A On-line detection method and device for optical network failures
09/25/2013CN103326774A 2M electrical system for monitoring optical transmission device and testing method thereof
09/25/2013CN103326773A Automatic measuring device for PLC planar lightwave circuit splitter
09/25/2013CN103326772A Mini-sized array detector
09/25/2013CN103326771A RRU optical fiber link managing method, RRU optical fiber link managing device and remote radio unit system
09/25/2013CN103326236A Semiconductor laser unit modulating and driving system
09/25/2013CN103323923A Optical assembly for OLT and with function of conducting double-trouble-diagnosing
09/25/2013CN103323921A High-density type parallel transmission optical device
09/25/2013CN102325122B Two-way passive optical network system based on OFDM-ROF (Orthogonal Frequency Division Multiplexing-Radio Over Fiber)
09/25/2013CN102263718B Operating point control system and method for return-to-zero-differential quadrature phase shift keying (RZ-DQPSK) modulation
09/25/2013CN102158284B Light signal polarization direction determination and power equalization system
09/25/2013CN102137057B Signal generation method and device
09/25/2013CN101946428B Optical communication system, optical communication method, and optical communication device
09/25/2013CN101779395B Electronic system, free space module and its manufacture method
09/24/2013US8543013 Technique for detection of optical data signals
09/24/2013US8543012 Compensating for end-to-end group delay ripples
09/24/2013US8543011 Receiving apparatus and method for electronic noise compensation in phase modulated optical transmission
09/24/2013US8543009 Method and apparatus for synthesizing ultra-wide bandwidth waveforms
09/24/2013US8543007 Method and apparatus for broadband mitigation of polarization mode dispersion
09/24/2013US8543006 System and method for reducing polarization dependent loss
09/24/2013US8543005 Intentionally skewed optical clock signal distribution
09/24/2013US8543004 Wavelength locking method for an optical transceiver device and optical transceiver device
09/24/2013US8543003 Ingress-mitigated cable communication systems and methods having increased upstream capacity for supporting voice and/or data services
09/24/2013US8543002 Controlling transmission power in an IrDA/RC transmitter circuit
09/24/2013US8542997 High bit rate bidirectional passive optical network, associated optical exchange and line termination device
09/24/2013US8542992 System and method for mitigating polarization hole burning
09/24/2013US8542991 Power-up of device via optical serial interface
09/19/2013WO2013136716A1 Optical phase difference/optical carrier wave frequency difference compensation device and optical phase difference/optical carrier wave frequency difference compensation method
09/19/2013WO2013136652A1 Optical communications system, optical transmission device, optical reception device, optical communications method, optical transmission method, and optical reception method
09/19/2013WO2013136651A1 Optical communications system, optical transmission device, optical reception device, optical communications method, optical transmission method, phase rotation setting device, and optical reception method
09/19/2013WO2013136393A1 Polarization combiner and separator, polarization combining and separating structure, light mixer, optical modulator module, and method for manufacturing polarization combiner and separator
09/19/2013US20130243442 Optical transmission apparatus and characteristic compensation method
09/19/2013US20130243441 Method to control optical receiver implemented with semiconductor optical amplifier and method to control optical communication
09/19/2013US20130243440 Optical transmission system and control signal transmission method
09/19/2013US20130243439 Optical transceiver, method for controlling the optical transceiver and non-transitory computer readable medium embodying instructions for controlling a device
09/19/2013US20130243438 Ultra High Density Pin-Compatible Four-Channel Enhanced Small Form-Factor Pluggable Module
09/19/2013US20130243437 Connector system, connecting cable and receiving tool
09/19/2013US20130243436 Contactless chip card, contactless chip card reading device and contactless communication system including a plurality of communication interfaces
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