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)
07/2013
07/24/2013CN103220760A OW-RF fusion system and cross-domain communication method based on same
07/24/2013CN103220215A Fiber channel over Ethernet (FCoE) message forwarding method and device in TRILL network
07/24/2013CN103220214A Physical isolation unidirectional data transmitting device
07/24/2013CN103220045A Circulating frequency shifting comb spectrum generating system based on intensity modulation and application method of circulating frequency shifting comb spectrum generating system
07/24/2013CN103220044A Optical access network system, optical access equipment and optical access method
07/24/2013CN103220043A Combiner or shunt way of double-line WiFi signal mixed transmission
07/24/2013CN103220042A Implementation method of single-row multiple solitons
07/24/2013CN103220041A Wireless router access system based on visible light
07/24/2013CN103220040A Method and system for switching state of embedded optical port BYPASS
07/24/2013CN103220039A Service protection method and service protection device based on automatically-switched optical network
07/24/2013CN103217745A Optical filter used for PON link monitoring in FTTH and manufacturing process of optical filter
07/24/2013CN102045608B Network device for optical communication and method thereof for automatically configuring exchange interface
07/24/2013CN101938319B Passive optical network (PON) ring network system and signal transmission method
07/24/2013CN101795157B Device capable of rapid returning when monitoring connection state of unit changes and method thereof
07/24/2013CN101741935B Light transmitting system and electronic device having the same
07/24/2013CN101610124B Method and device for managing and controlling optical communication network nodes
07/24/2013CN101517939B Optical regenerator and phase error detection unit for an optical regenerator and method for optical regeneration
07/23/2013US8494768 Navigation system, method and database using mobile devices
07/23/2013US8494378 Synchronous optical signal generating device and synchronous optical signal generating method
07/23/2013US8494377 Systems, circuits and methods for conditioning signals for transmission on a physical medium
07/23/2013US8494375 High speed communication
07/23/2013US8494374 Portable light providing illumination and data
07/23/2013US8494373 Apparatus and method for compensating polarization mode dispersion
07/23/2013US8494372 Apparatus and method for optimizing optical and electrical filtering of optical signals
07/23/2013US8494371 Architecture of an optical refueling communication using glass fiber
07/23/2013US8494370 Locating components in data center
07/23/2013US8494368 Electronic nonlinearity compensation for optical transmission systems
07/23/2013US8494367 Method and device for modulating the light emission of a lighting device
07/23/2013US8494365 Random gap insertion in an optical ring network
07/23/2013US8494363 Signal format conversion apparatus and methods
07/23/2013US8494362 Pluggable module with integrated time division multiplexing
07/23/2013US8494361 Apparatus for monitoring optical signal quality specifically applicable to NRZ optical signals
07/23/2013US8494360 In-service optical network testing
07/23/2013US8494313 Monitoring eDC polarization inverse filter coefficients to identify real-time physical intrusion into a core or metro optical network
07/23/2013US8493982 Two and three-stroke discovery process for 10G-EPONs
07/23/2013US8493653 Multi-stage optical fiber amplifier with high gain and low duty cycle
07/23/2013US8493652 Method for controlling an erbium doped fiber amplifier (EDFA) and amplifier arrangement
07/23/2013US8493650 Method and apparatus for suppression of four-wave mixing using polarization control with a high power polarization maintaining fiber amplifier system
07/23/2013US8492700 Dynamic impedance receiver circuit having a first and second impedances during charging and discharging phases respectively for ultrafast low-power photodetector
07/23/2013CA2800361C Multiple-acquisition otdr method and device
07/18/2013WO2013106475A2 Uspl-fso lasercom point-to-point and point-to-multipoint optical wireless communication
07/18/2013WO2013106348A1 Balloon network with free-space optical communication between super-node balloons and rf communication between super-node and sub-node balloons
07/18/2013WO2013106283A1 Using predicted movement to maintain optical-communication lock with nearby balloon
07/18/2013WO2013106281A1 Establishing optical-communication lock with nearby balloon
07/18/2013WO2013105605A1 Wavelength multiplexing optical communication device
07/18/2013WO2013104711A1 System for testing of optical network
07/18/2013WO2013104340A1 Method and apparatus of using digital equalizer for cascaded wavelength selective switch compensation
07/18/2013US20130183046 Methods and systems for a pulsed laser source emitting a predetermined output pulse profile
07/18/2013US20130183045 Communication cable apparatus including switch turned off in reverse connection state of communication cable apparatus
07/18/2013US20130183044 Tunable bi-directional transceiver
07/18/2013US20130183041 Signal receiving method based on microwave photonics technologies
07/18/2013US20130183038 Customer premises optical network unit and optical transmission system
07/18/2013US20130183037 Docsis pon
07/18/2013US20130183032 Optical transmission apparatus and optical transmission method
07/18/2013US20130183031 Data transmission device, data transmission method, and data transmission device control program
07/18/2013US20130182620 Uspl-fso lasercom point-to-point and point-to-multipoint optical wireless communication
07/17/2013EP2615769A1 Clock recovery through digital techniques in a coherent receiver
07/17/2013EP2615750A1 Microprocessor chip, data center, and computing system
07/17/2013EP2615749A1 Method for optical data transmission from low earth orbit to earth and corresponding communication system
07/17/2013EP2615748A1 Optical downlink system
07/17/2013EP2615747A2 Ranging method for passive optical network, system, and device
07/17/2013EP2614605A1 Installation for conveying electrical signals between a first triaxial cable and a second triaxial cable
07/17/2013EP2614604A2 Cross-talk reduction in a bidirectional optoelectronic device
07/17/2013EP2614603A1 Multi-carrier system and method for use in an optical network
07/17/2013CN203071944U Intelligent light conversion module for electric energy meter based on EPON network
07/17/2013CN203071943U Optical receiving module
07/17/2013CN203071942U Light transmitter and pre-distortion circuit thereof
07/17/2013CN203071941U Optical neuron based on stimulated Raman scattering effect in optical fiber
07/17/2013CN203071940U Millimeter wave communication apparatus based on long-period fiber Bragg grating
07/17/2013CN203071939U 3g optical cable intelligent monitoring box
07/17/2013CN203071938U 3G optical cable intelligent monitoring markstone
07/17/2013CN203071937U An internally-disposed light port BYPASS implementing device
07/17/2013CN203069942U Gain-flattened Raman fiber wavelength conversion coupler
07/17/2013CN203069836U Optical transmitting and receiving integrated module
07/17/2013CN203069835U Single-fiber bidirectional optical component
07/17/2013CN103210602A Coherent light receiving device, system and method
07/17/2013CN103210601A Optical phase modulation circuit and method of optical phase modulation
07/17/2013CN103209385A Smart grid construction method based on wireless optical fiber technology
07/17/2013CN103209185A Method and device for transmitting message at optical interface
07/17/2013CN103209147A Multi-band millimeter wave receiver and multi-band millimeter wave receiving method
07/17/2013CN103209146A Signal Equilibrium Apparatus And Method Thereof
07/17/2013CN103209029A Laser Transmission Apparatus Having Power-supply Power Control And Method Thereof
07/17/2013CN103209028A Intelligent optical network unit (ONU) optical transceiver module capable of automatically monitoring light-emitting faults
07/17/2013CN103209027A Signal Output Apparatus And Signal Transmitting And Receiving System
07/17/2013CN103209026A Full-duplex multi-service-convergence radio-over-fiber transmission system
07/17/2013CN103209025A Electric light load wireless communication system based on distributed base station pools and implementation method for wireless communication system
07/17/2013CN103209024A Device and method for wireless light scattering communication on basis of Mie scattering
07/17/2013CN103209023A Intelligent optical network unit (ONU) optical transceiver module capable of automatically locking and controlling emergency light emitting
07/17/2013CN103209022A Space optic coupling detection device based on optical fiber arrays
07/17/2013CN103209021A Two-way protection method of symmetrical system of GFP (Generic Framing Procedure) frame mapping encapsulation business
07/17/2013CN101931461B Testing device and testing method of optical transceiver
07/17/2013CN101895339B Method for realizing early warning and positioning of malfunctions for power cable network
07/17/2013CN101714900B Multi-wavelength high-power modulation light source for optical fiber sensing network and use method thereof
07/17/2013CN101714899B Optical fiber radio communication system
07/17/2013CN101540935B Optical transmission apparatus, optical transmission system, apparatus control method
07/16/2013US8488979 Multi-level polarization multi-level phase modulator
07/16/2013US8488978 Optical signal processor
07/16/2013US8488976 Apparatus and method for supporting mobility of a mobile terminal that performs visible light communication
07/16/2013US8488975 Optical transmitter, optical transmitter and receiver system, optical transmitting method and optical transmitting and receiving method
07/16/2013US8488974 Enhanced SMF passive optical networks using polarization beamforming
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