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)
09/2007
09/05/2007CN101030820A Marine-cable light compensator and compensation
09/05/2007CN101030819A Multi-wavelength bidirectional optical transceiver having monitors
09/05/2007CN101030818A Light-emitter assembly
09/05/2007CN101030817A Photoelectric receiver-transmitter integrated module assembly of mono-optical fibre two-way
09/05/2007CN101030816A Simulator for laser link relative-corner movement between satellites
09/05/2007CN101030815A Adjusting and reconfigured microwave photo filter device based on super-continuous spectrum light source
09/05/2007CN101030814A Method for protecting and restoring packet service channel in ASON network
09/05/2007CN101030697A Driving circuit for high-speed and high-reliability modulated laser
09/05/2007CN101029952A Latching mechanism for pluggable transceiver
09/05/2007CN100336358C Method for raising protective inversion reliability in multiplexing section of optical transmission circular network
09/05/2007CN100336327C Full optical fiber network two fiber bidirectional loop channel shared protective device
09/05/2007CN100336323C Gain-providing optical power equalizer
09/05/2007CN100336322C Optical transmission system using in-line amplifiers
09/05/2007CN100336321C Integrated mageneto-optical modulator with optical isolator, method of mfg same and optical communication system using same
09/05/2007CN100335962C Signal light noise reduction apparatus and signal light noise reduction method
09/05/2007CN100335928C Optical fiber sensitive element metallized packaging structure and its method
09/04/2007US7266312 Burst mode optical receiver
09/04/2007US7266311 Control of delay line interferometer
09/04/2007US7266310 Digital compensation for optical transmission system
09/04/2007US7266309 Apparatus and method for stabilizing bias voltage for pulse generating modulator
09/04/2007US7266307 Method and apparatus for pulse generation and adaptive pulse generation for optical communications
09/04/2007US7266306 Method for optical carrier suppression and quadrature control
09/04/2007US7266304 System for secure optical transmission of binary code
09/04/2007US7266303 Handling information in a noisy environment
09/04/2007US7266302 Asymetric optical network traffic flow control
09/04/2007US7266301 Interference resistant repeater systems including controller units
09/04/2007US7266300 BPSR optical transmission node
09/04/2007US7266298 N-way broadcast/narrowcast optical combiner demultiplexing a multiplexed narrowcast input signal
09/04/2007US7266296 Architecture and method for framing control and data bursts over 10 Gbit Ethernet with and without WAN interface sublayer support
09/04/2007US7266294 Coupler-based optical cross-connect
09/04/2007US7266265 Low-loss shared FTTH distribution network
09/04/2007US7266264 Apparatus and method of compensating transmission property of light demultiplexer/light multiplexer
09/04/2007US7266257 Reducing crosstalk in free-space optical communications
09/04/2007US7265824 Method and device for obtaining a low-noise optical signal
09/04/2007US7265439 Low cost, high speed, high efficiency infrared transceiver
09/04/2007US7265333 Light-receiving circuit
08/2007
08/30/2007WO2007098433A2 Discrete bootstrapping in an optical receiver to prevent signal feedback
08/30/2007WO2007098411A2 Transmission network having an optical receiver that utilizes dual power pins and a single status pin to lower power consumption, lower manufacturing cost, and increase transmission efficiency
08/30/2007WO2007097111A1 Vehicle-mounted optical communication system and vehicle-mounted optical transmitter
08/30/2007WO2007096852A1 An optical communication network
08/30/2007WO2007096580A1 Sensing a disturbance
08/30/2007WO2007096578A1 Sensing a disturbance
08/30/2007WO2007096455A1 Compact all-optical clock recovery device
08/30/2007WO2007096454A1 All-optical polarization-independent clock recovery
08/30/2007WO2007095813A1 An optical network unit, an optical line terminal and a passive optical network with its transmission method
08/30/2007WO2007095805A1 A loading, detecting and monitoring method and apparatus for optical channel-associated signal
08/30/2007WO2007078685A3 Optical transmitter with enhanced sbs threshold power capability
08/30/2007WO2007052836B1 Visible light communication apparatus and method
08/30/2007WO2006091834A3 Inter-module communications of an optical network element
08/30/2007US20070204317 Symbol alignment in multipoint-to-point orthogonal frequency division multiplexing communication
08/30/2007US20070201881 Discrete bootstrapping in an optical receiver to prevent signal feedback
08/30/2007US20070201880 High power amplifiers
08/30/2007US20070201879 Data-aided multi-symbol phase estimation for optical differential multilevel phase-shift keying signals
08/30/2007US20070201878 Repeater and repeating method
08/30/2007US20070201877 Optical data synchronization scheme
08/30/2007US20070201876 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
08/30/2007US20070201875 Wavelength division multiplexing optical transmission apparatus, wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method
08/30/2007US20070201873 Wavelength Division Multiplexed (WDM) Ring Passive Optical Network (PON) with Route Protection for Replacement of Splitter Based Passive Optical Networks
08/30/2007US20070201871 Power level management in optical networks
08/30/2007US20070201867 Method, apparatus, system and computer program product for identifying failing or failed optical network terminal(s) on an optical distribution network
08/30/2007US20070201790 Optical transmission system and dispersion compensation method for optical transmission system as well as simulation equipments
08/30/2007US20070201786 Method For Characterizing An Optical Fiber Link
08/30/2007US20070201628 Distributed control of power in multipoint-to-point orthogonal frequency division multiplexing communication
08/30/2007US20070201573 System for variable forward error correction in a multipoint to point orthogonal frequency division multiplexing system
08/30/2007US20070201352 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system
08/30/2007US20070201348 Use of identifier of remote unit for downstream signals
08/30/2007US20070201347 Use of guard bands in multipoint-to-point orthgonal frequency division multiplexing communication
08/30/2007US20070201346 Multipoint-to-point communication using orthgonal frequency division multiplexing and identification codes
08/30/2007US20070201345 Distributed control of carrier frequency in multipoint-to-point orthogonal frequency division multiplexing communication
08/30/2007US20070201088 Data distribution system and method
08/30/2007DE102006008404A1 Optische Schaltungsstruktur zur Realisierung eines Knotens höherer Ordnung in einem optischen Übertragungsnetzwerk An optical circuit structure for realizing a higher order node in an optical transmission network
08/30/2007CA2643347A1 Sensing a disturbance
08/30/2007CA2643344A1 Sensing a disturbance
08/29/2007EP1826926A1 An implement method of short rate traffic signal transmitted in optical transport network
08/29/2007EP1826924A1 Sensing a disturbance
08/29/2007EP1825615A2 A detection arrangement for particles with two branches using superposition
08/29/2007EP1825614A1 Laser power control with automatic compensation
08/29/2007EP1825613A1 Assessing a network
08/29/2007EP1825612A2 Method and apparatus for bias and alignment control in an optical signal transmitter
08/29/2007EP1350349B1 Channel balancing of a wavelength division multiplexed optical signal
08/29/2007CN200941617Y Mobile communicating directly releasing station system adopting digital IF way
08/29/2007CN200941616Y SDH transmission optical cable fault detecting system
08/29/2007CN101027859A Adaptive light receiving device and its adaptive light receiving method
08/29/2007CN101026420A Method and system for solving FTTP safety problem
08/29/2007CN101026419A Wavelength division multiplex (WDM) transmission system
08/29/2007CN101026418A Multi frequency optical millimeter wave generating device and related receiver
08/29/2007CN101026417A Laser modulator digital automatic bias voltage control device
08/29/2007CN101026416A Optical network unit and its control method
08/29/2007CN101026415A Photocurrent monitoring circuit for transimpedance amplifier
08/29/2007CN101026414A Transceiver module casing and its grounding device
08/29/2007CN101026413A 照明光无线通信系统 Illuminating light wireless communication system
08/29/2007CN100334820C Sudden-mode driving circuit, and its method for driving transmitter and optical communication device
08/29/2007CN100334819C Ethernet optical fiber transceiver and data transceiving method used on said tranceiver
08/29/2007CN100334498C Computer program product, system and method for adjustable multimode wave division multi-channel multiplex Raman pump
08/29/2007CN100334483C Optical modulation element and communication system
08/29/2007CN100334482C Method and device for generation of phase conjugate light and wavelength conversion, and system having the device
08/28/2007US7263297 Method and device for the control of the power radiated onto a transmission telescope in free-space laser telecommunications systems
08/28/2007US7263296 Optical transmission system using in-line amplifiers
08/28/2007US7263295 Transceiver suitable for data communications between wearable computers
08/28/2007US7263293 Indoor wireless voice and data distribution system