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)
06/2012
06/21/2012WO2012083157A1 A method and apparatus for gain tilt compensation over fiber optic cable
06/21/2012WO2012082833A1 Dispersion management in optical networks including both coherent and direct detection receivers
06/21/2012WO2012082375A1 Optical network communication system with optical line terminal transceiver and method of operation thereof
06/21/2012WO2012080138A1 Method for coupling an emitting device to a frequency splitter in an optical passive network
06/21/2012WO2012079536A1 Method for accessing private network server and optical network unit
06/21/2012WO2012079480A1 Dynamic frequency deviation correction method and coherence optical time-domain reflectometer system
06/21/2012WO2012079479A1 Device and method for generating optical signal
06/21/2012WO2012051186A3 System and method for operating monitoring elements and single use elements with a common cable
06/21/2012WO2012051088A8 Compact small form-factor pluggable transceiver
06/21/2012US20120155890 Complexity reduced feed forward carrier recovery methods for m-qam modulation formats
06/21/2012US20120155889 Method and apparatus for transmitting and receiving data using visible light communication
06/21/2012US20120155888 Optical modulator with reduced size and optical transmitter including the same
06/21/2012US20120155887 Method and apparatus for transmitting and receiving coherent optical ofdm
06/21/2012US20120155886 Optical fiber connector
06/21/2012US20120155885 Rack to rack optical communication
06/21/2012US20120155884 Optical repeater system
06/21/2012US20120155883 Optical receiver and optical receiving method
06/21/2012US20120155882 Flexible, dense line card architecture
06/21/2012US20120155880 Optical modulator and optical modulation control method
06/21/2012US20120155879 Method and arrangement for receiving an optical input signal and transmitting an optical output signal
06/21/2012US20120155878 Transmission apparatus and transmission method for subscriber network in cable network
06/21/2012US20120155876 Seed light module for wavelength division multiplexing-passive optical network and method for driving the same
06/21/2012US20120155874 Method for negotiating link capability information, network device, and communication system
06/21/2012US20120155873 Power saving apparatus and method for optical line terminal and optical network unit
06/21/2012US20120155871 Optical transport apparatus and optical transport system
06/21/2012US20120155870 Method And Apparatus For Selectively Routing Entanglement Building
06/21/2012US20120155869 Optical packet switching system
06/21/2012US20120155866 Digital Communication Method and System
06/21/2012US20120155863 Data Processing in an Optical Network
06/21/2012US20120155862 Optical packet switching system
06/21/2012US20120155861 Method and device for detecting inband optical signal to noise ratio
06/21/2012US20120155860 Optical packet switching system and optical packet transmitter device
06/21/2012US20120155858 Optical network device, optical network system, malfunction detecting method for optical network device, and malfunction detecting program for optical network device
06/21/2012US20120155857 Method, apparatus and unit for detecting fault of submarine device
06/21/2012US20120155856 Optical transmission system
06/21/2012US20120154904 Method and apparatus for gain tilt compensation over fiber optic cable
06/21/2012US20120154901 Plc-type delay demodulation circuit
06/21/2012US20120154443 Reception display apparatus, information transmission apparatus, optical wireless communication system, reception display integrated circuit, information transmission integrated circuit, reception display program, information transmission program, and optical wireless communication method
06/21/2012US20120154012 Circuit and Method for Controlling Multi-Channel Power
06/21/2012US20120153923 Method and apparatus for supplying power to 300 pin msa 40gb transponder
06/21/2012DE102011054328A1 Optical network unit-device for use in digital broadcast and communications system for providing broadcast and communication services, has edge-quadrature amplitude modulation unit modulating reception signal to radio frequency-signal
06/21/2012DE102010063416A1 Device for transferring data, has bridge circuit connected with comparator and optoelectronic transducer, which is connected with inputs of comparator over bridge sections of bridge circuits
06/21/2012DE102010054682A1 Empfänger, Sendeeinrichtung und Verfahren zur Signalverarbeitung Receiver, transmitter and signal processing method
06/20/2012EP2466770A1 Dynamic evaluation of the optical multiplex section per-channel pre-emphasis power
06/20/2012EP2466769A1 Bandwidth allocation method and optical line terminal
06/20/2012EP2466768A1 Method for coupling an emitting device to a frequency splitter in an optical passive network
06/20/2012EP2466766A1 Optoelectronic processinig apparatus and processing method for constraint information
06/20/2012EP2465219A1 Filter device
06/20/2012EP2465218A1 Coherent receiver having an interleave-chirped arrayed waveguide grating
06/20/2012EP2465216A1 Electrical isolators
06/20/2012CN202282888U Illuminating device and information transmitting/receiving device employing same
06/20/2012CN202282841U 一种用于跨越线路运行及环境的监测系统 A line running across and environmental monitoring systems for
06/20/2012CN202282835U 数字视频无损中继复接器 Digital video lossless repeater multiplexer
06/20/2012CN202282779U 一种光缆跳线装置 An optical cable jumper device
06/20/2012CN1976260B Burst mode optical receiver
06/20/2012CN102511150A Communication data transmitting apparatus, communication data transmitting system, communication data transmitting method, and communication data transmitting program
06/20/2012CN102511140A Multiport passive optical signal sharing device
06/20/2012CN102511138A Dimmable transceiver, Passive optical network system and device
06/20/2012CN102511137A Optical transceiver, passive optical network system and device thereof
06/20/2012CN102511136A Dispersion estimator and method for estimating dispersion
06/20/2012CN102511135A Path delay inequality estimator, path delay inequality compensator and coherent receiver
06/20/2012CN102511134A Optical fiber identification method, optical line terminal and identification system thereof
06/20/2012CN102511133A method and system for finding optical network unit
06/20/2012CN102511132A Differential encoding optical transceiver device
06/20/2012CN102510546A Wavelength division multiplexing network resource and service display processing method and device adopting same
06/20/2012CN102510485A Next-generation broadcasting local-side controller modified by cable television network three-network fusion
06/20/2012CN102510484A Video optical transceiver, and video transmission system and method
06/20/2012CN102510310A Closed-loop control method of small pluggable optical module for maintaining constant extinction ratio
06/20/2012CN102510309A Electrical signal remote transmission device and method thereof
06/20/2012CN102510308A Automatic test compensation device and compensation method of indoor distribution system chain transmission attenuation
06/20/2012CN102510307A Optical fiber disturbance system polarization control method and control system based on annealing algorithm
06/20/2012CN102510306A Initial space coherence self-adaptive control method and system of atmospheric signal path communication laser
06/20/2012CN102510305A Optical power real-time monitoring system based on convex optimization
06/20/2012CN102508342A Parallel optical module and optical fiber connector
06/20/2012CN101790115B Optical network, node apparatus and method for relieving path fault
06/20/2012CN101729142B Method for automatically controlling received power in FSO system
06/20/2012CN101490986B Method and apparatus for the generation and detection of optical differential varied-multilevel phase-shift keying with pulse amplitude modulation (odvmpsk/pam) signals
06/20/2012CN101441070B Optical fiber length measuring, communication apparatus and communication system
06/20/2012CN101217310B Optical power measuring device and method
06/20/2012CN101141201B Optical amplifier gain noise compensation method and apparatus
06/20/2012CN101133575B System and method for subcarrier modulation in ISM band as supervisory channel
06/19/2012US8204700 Failure prediction apparatus and failure prediction method
06/19/2012US8204389 Electronic post-compensation of optical transmission impairments using digital backward propagation
06/19/2012US8204388 Transimpedance amplifier having a shared input
06/19/2012US8204387 Optical modulator and optical communication system
06/19/2012US8204386 Chirped laser with passive filter element for differential phase shift keying generation
06/19/2012US8204385 Optical device with reduced thermal tuning energy
06/19/2012US8204384 Phase-modulating communication device
06/19/2012US8204383 Wireless communication interface for portable wireless terminal
06/19/2012US8204382 Radio frequency-based optical transport network systems and methods
06/19/2012US8204381 Broadband radio transceiver with optical transform
06/19/2012US8204379 Noise reduction in optical communications networks
06/19/2012US8204378 Coherent optical signal processing
06/19/2012US8204377 System, method and apparatus for joint self phase modulation compensation for coherent optical polarization-division-multiplexed orthogonal-frequency division-multiplexing systems
06/19/2012US8204375 Method and systems for testing automatic protection switching protocol in optical interfaces for synchronous optical networks
06/19/2012US8203781 Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method
06/19/2012US8203777 Bias controller
06/19/2012US8202011 Printed circuit board assembly carrier for an optical electrical device
06/19/2012CA2589851C Method and apparatus for reducing crosstalk and nonlinear distortions induced by raman interactions in a wavelength division multiplexed (wdm) optical communication system
06/14/2012WO2012078460A1 Pilot-assisted data transmission in a coherent optical-communication system
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