Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
04/2014
04/02/2014CN103701427A Filter at front end of outer part of household appliance for improving power spectral density of power line communication
04/02/2014CN103700244A Power line carrier type meter reading and networking test system
04/02/2014CN102308486B Method and apparatus for generating expansion channel
04/02/2014CN102239644B Electric power supplying system
04/02/2014CN102014523B Wireless communication network bridge device with various link buses
04/01/2014US8688030 System and method for reducing call latency in monitored calls
04/01/2014US8688029 Radio access network integrated set-top device
04/01/2014US8687681 Receiver and signal testing method thereof
04/01/2014US8687680 Systems and methods for loop length and bridged tap length determination of a transmission line
04/01/2014US8687540 Echo cancellation repeater using an inserted pilot with gain-based power level control scheme
04/01/2014US8686920 Miniaturized radio repeater
04/01/2014US8686839 Closed-loop haptic or other tactile feedback system for mobile devices, touch screen devices, and other devices
04/01/2014US8686838 Virtualizing the operation of intelligent network interface circuitry
04/01/2014US8686831 Mobile tool facility
04/01/2014CA2402166C Methods for transmitting a waveform having a controllable attenuation and propagation velocity
03/2014
03/27/2014WO2014046703A1 Method and apparatus for digital communications over power distribution infrastructure
03/27/2014WO2014046339A1 Cctv image capturing camera, cctv image compressing/transmitting device, cctv image managing terminal, cctv image relay terminal, and cctv image managing system
03/27/2014WO2014045566A1 Power line communication transceiver and power line communication method
03/27/2014WO2014044539A1 Control device for a current-controlled bus
03/27/2014US20140086431 Wireless peripheral hub device
03/27/2014US20140086430 Removing network delay in a live broadcast
03/27/2014US20140086414 Efficient audio coding having reduced bit rate for ambient signals and decoding using same
03/27/2014US20140086346 Method and system for removal of baseline wander and power-line interference
03/27/2014US20140086290 Method of reducing interference between a first carrier current signal transmitted between modems in an electrical network and a second signal transmitted between modems in another network
03/27/2014US20140086039 System And Method For Coordination Of Neighboring Networks On Wireline Communication Channels
03/27/2014DE102013109169A1 Abstimmbare Breitband-Verteilungsschaltung Tunable broadband distribution circuit
03/26/2014EP2712208A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
03/26/2014EP2712096A1 Method and system for detecting a disturber in a PLC network
03/26/2014EP2712095A1 Method and device for analysing crosstalk of lines
03/26/2014EP2712050A1 Power supply device, method, and program
03/26/2014EP2712044A1 Power supply device, method, and program
03/26/2014EP2710744A1 Measurement method
03/26/2014EP2710743A1 Converged in-building network
03/26/2014CN203504644U Indoor audio calling system using power line
03/26/2014CN203504599U Electric power communication device based on OFDM technology
03/26/2014CN203504560U Apparatus for testing transmission characteristics of power line
03/26/2014CN203504258U Wireless-carrier wave dual-network complementation charging pile for common community
03/26/2014CN203502479U Shielding layer carrier communication-based power cable ground wire current on-line monitoring system
03/26/2014CN103688473A A communications network and a network terminal
03/26/2014CN103688472A Communication system and communication apparatus
03/26/2014CN103688021A Subsea communication system
03/26/2014CN103685125A Power line communication transmission method with discontinuous carrier interference orthogonal frequency division multiplexing used
03/26/2014CN103685114A System and method for dual chirp modulation
03/26/2014CN103684842A Method for generating PLC physical topological diagram and line information between nodes and device thereof
03/26/2014CN103684699A Frame preamble structure design method for power line communication and synchronous detection method and device
03/26/2014CN103684679A Data frame processing method for adaptive networking and device thereof
03/26/2014CN103684577A System, device and method for mobile communication based on rail transit electric power contact system
03/26/2014CN103684531A Power line communication and visible light communication combined system and method for optimizing cell architectures
03/26/2014CN103684530A Adaptive control method and system
03/26/2014CN103684529A Signal transmission method and device
03/26/2014CN103684528A Power line carrier and wireless dual-channel network communication module
03/26/2014CN103684527A Power-line carrier network communication module with time service function
03/26/2014CN103684526A System and method for communication cable positioning and tracking
03/26/2014CN103684525A Signal transmission circuit
03/26/2014CN103682860A Socket
03/26/2014CN103680107A Infusion remote monitoring system based on power line carrier technology
03/26/2014CN103675448A Vector measurement method for passive intermodulation interference
03/26/2014CN102227877B Method and system for management of transmission resources in digital communication systems
03/26/2014CN102118183B Power carrier communication method and device
03/26/2014CN102014524B Wireless sensor network and power line communication-based chip and monitoring system
03/26/2014CN102006129B FPGA (Field Programmable Gate Array)-based method and device for simulating power line channel
03/26/2014CN101861045B Power-line carrier electrodeless lamp control relay
03/25/2014US8682311 Multi-hop booster
03/25/2014US8682254 Wireless communication system modeling
03/25/2014US8682251 Apparatus and methods for estimation of a subchannel power imbalance ratio (SCPIR)
03/25/2014US8682004 Positional audio in a vehicle-to-vehicle network
03/25/2014US8681999 Entrainment avoidance with an auto regressive filter
03/25/2014US8681883 Communicating over powerline media using spot beamforming
03/25/2014US8681881 Communication signal generating device and communication apparatus for use in communication system
03/25/2014US8681846 Measurement of I/Q impairments from a sampled complex signal
03/25/2014US8681845 Mechanisms for measuring the I/Q impairments of a receiver
03/25/2014US8681843 Method and arrangement in a DSL vectoring system
03/25/2014US8681665 Transceiver filter and tuning
03/25/2014US8680965 Electronics antitheft authorizing unit
03/25/2014US8680939 Differential equalizer and system, method, and computer program product thereof
03/25/2014US8680938 Apparatus and method for equalization
03/25/2014US8680937 Differential equalizers with source degeneration and feedback circuits
03/21/2014DE202012012905U1 Signalvorbereitungseinheit und Signalübertragungsvorrichtung Signal conditioning unit and signal transmission apparatus
03/20/2014WO2014043214A1 Receiver, apparatus, and methods for wirelessly receiving data from a power infrastructure
03/20/2014WO2014042558A1 Method for identifying the cable via which a device is transmitting a signal
03/20/2014WO2014041751A1 Plc device and distribution board
03/20/2014WO2014041496A1 Light fixture connectable device useful for establishing a network infrastructure
03/20/2014WO2014040782A1 Method and device for identifying crosstalk
03/20/2014WO2013181046A3 Monitoring and controlling lan data transfer rates
03/20/2014US20140079395 Raman Crosstalk Mitigation in a Multi-Wavelength System Utilizing an Optical Equalizing Signal Modulated with Composite Bandwidth-Limited Data Sources
03/20/2014US20140079143 Signal injection through electric network using different modes
03/20/2014US20140077966 Power line communication system
03/19/2014EP2709373A1 Power supply control device and control method therefor, and power supply control system
03/19/2014EP2709345A1 Method and device for identifying crosstalk
03/19/2014EP2709284A1 Feeder circuit switching apparatus, optical underwater branching apparatus, underwater cable system, and feeder circuit switching method
03/19/2014EP2708017A1 Resource efficient acoustic echo cancellation in ip networks
03/19/2014EP2707967A1 A communications network and a network terminal
03/19/2014CN203492053U Internet of things connecting system
03/19/2014CN203492052U Internet of things connecting system capable of remote and baffle wall transmission
03/19/2014CN203492021U Network management device of power line communication network
03/19/2014CN203492020U Monitoring and broadcasting system based on power line carrier technology
03/19/2014CN103650361A Communication system
03/19/2014CN103650360A Communication system and communication device
03/19/2014CN103647782A Method for conversion between elevator communication protocol and elevator internet-of-things collection and communication protocol
03/19/2014CN103647742A Communicating method and device of power line carrier OFDM system
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