Patents
Patents for H04B 3 - Line transmission systems (31,523)
01/2013
01/01/2013US8345737 Detection of network impairments through tilt-normalized measurement data
01/01/2013US8345736 Sampling point detection circuit, transmission system, pre-emphasis intensity adjustment method, logic analyzer, and evaluation method for evaluating transmission path
01/01/2013US8345735 Modulation and demodulation apparatus using frequency selective baseband and transmission and reception apparatus using the same
01/01/2013US8345583 Method for enhancing ethernet channel impairment and apparatus using the same
01/01/2013US8345018 Image display that moves physical objects and causes tactile sensation
01/01/2013US8344862 Tactile messaging system
01/01/2013US8344861 Haptic motion feedback mechanism
01/01/2013US8342400 Systems controlled by data bearing records for maintaining inventory data
12/2012
12/27/2012WO2012177217A1 A control method in a network
12/27/2012WO2012176833A1 Communication system and communication device
12/27/2012WO2012176832A1 Communication system and communication device
12/27/2012WO2012176515A1 Communication system
12/27/2012WO2012098394A3 Interconnection for connecting a switched mode inverter to a load
12/27/2012WO2012092895A3 Method, related device and system for processing crosstalk cancelling on port line of access device
12/27/2012US20120328120 Interface circuit
12/27/2012US20120328112 Reverberation reduction for signals in a binaural hearing apparatus
12/27/2012US20120328030 Method For Transmitting A Signal Via A Power Line Network, Transmitter, Receiver, Power Line Communication Modem And Power Line Communication System
12/27/2012US20120327989 Smart feed line automation system based on 10kv carrier communication
12/27/2012US20120327987 Extended duration phy header for plc
12/27/2012US20120327979 Digital Repeater Module and Method for Relaying Digital Data
12/27/2012US20120327978 Connectors for communication, communication harness, and communication system
12/27/2012US20120327770 Flow control for powerline communications
12/27/2012US20120326799 Power Conversion Apparatus
12/27/2012US20120325283 Solar Power System with Communication Network Utilizing Magnetic Fields
12/27/2012CA2835909A1 A control method in a network
12/26/2012EP2538648A1 Receiving circuit, transmitting circuit, micro-controller and method for power line carrier communication
12/26/2012EP2538616A1 Communication Method and Apparatus
12/26/2012EP2538570A1 Device and method for evaluating interference voltages for modems
12/26/2012EP2538569A1 Micro-controller, processing method and device for power line carrier signal reception
12/26/2012EP2538568A1 A tool and method for analysing and diagnosing physical media in an access network
12/26/2012EP2538567A1 Coupling arrangement for phantom-mode transmission
12/26/2012EP2537258A1 Suppression of overvoltage caused by an indirect lightning strike
12/26/2012CN202634425U One-to-many half-duplex responsive cable power line carrier relay communication system
12/26/2012CN102845039A Coexistence of prime, s-fsk and g3 devices in powerline communications
12/26/2012CN102843331A Carrier communication multi-service access platform system and method
12/26/2012CN102843167A Mobile power carrier wave measuring device and measuring method
12/26/2012CN102843166A Device and method for underground long-distance transmission of Manchester code
12/26/2012CN101847973B Automatic gain control circuit for receiving end of power-line carrier communication system
12/26/2012CN101621312B Power line carrier communication chip established by utilizing singlechip
12/25/2012US8340572 System and method for selecting repeaters
12/25/2012US8340571 Repeater equipped with attenuator and variable attenuation method in the repeater and system for remotely managing the same
12/25/2012US8340326 Addressable amplified speaker assembly and method for addressing the same
12/25/2012US8340313 Wireless digital transmission of low frequency effects and surround channels for surround sound system
12/25/2012US8340312 Differential mode noise cancellation with active real-time control for microphone-speaker combinations used in two way audio communications
12/25/2012US8340168 Smart grid radio-frequency interference (RFI) detection
12/25/2012US8340167 Method and apparatus for measuring and correcting receiver parameters
12/25/2012US8340166 Smart grid radio-frequency interference (RFI) detection
12/25/2012US8340164 Evaluation of the feedback quality in communications systems
12/25/2012US8339212 Filtering device and differential signal transmission circuit capable of suppressing common-mode noises upon transmission of a differential signal
12/20/2012WO2012174456A1 Communicating over powerline media using beamforming
12/20/2012WO2012174382A1 System and method for communicating data in a passenger vehicle or other vehicle consist
12/20/2012WO2012172676A1 Equalization device and equalization method
12/20/2012WO2012172361A1 Communications system and bit-loading method used in a communications system
12/20/2012WO2012171820A1 Point-to-multi-point transmission over a wired loop plant
12/20/2012WO2012135217A3 Nonlinear echo suppression
12/20/2012US20120321000 Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication system
12/20/2012US20120320999 Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication system
12/20/2012US20120320998 Use of powerlines for transmission of high frequency signals
12/20/2012US20120320997 Network infrastructure for mobile machines which can be used in areas at risk of explosion
12/20/2012US20120320996 Preamble sequence extension
12/20/2012US20120320995 Co-existence of multi-carrier and single carrier communication standards on shared plc channel
12/20/2012US20120320958 Method for transmitting a signal over a power line channel and power line communication modem
12/20/2012US20120320932 Data frame for plc having destination address in the phy header
12/20/2012US20120320807 Duplex audio for mobile communication device and accessory
12/20/2012US20120319938 Haptic theme framework
12/20/2012US20120319827 Haptic feedback device
12/20/2012US20120319468 Power over ethernet prioritization system and method for surveillance cameras
12/20/2012US20120319467 Method and A Device for Reducing the Electricity Consumption Associated with a Communications Line
12/20/2012DE102011105392A1 Vorrichtung und Verfahren zur Bewertung von Störspannungen bei Modems Apparatus and method for the evaluation of interference voltages modems
12/20/2012CA2842532A1 Communications system and bit-loading method used in a communications system
12/19/2012EP2536035A1 Power Line Data Communication Using Current Modulation
12/19/2012EP2536034A1 Point-to-multi-point transmission over a wired loop plant
12/19/2012EP2534763A1 Connecting device for connecting electrical power supply lines of drilling and production facilities
12/19/2012EP2534747A1 Control systems
12/19/2012CN202617146U Tester for 2M network channel fault detection in power system
12/19/2012CN202617114U Low-voltage power line carrier signal coupling device
12/19/2012CN202617113U Miniaturized coupling device for power line carrier communication
12/19/2012CN202617112U Medium-voltage power line carrier communication device
12/19/2012CN202617111U Ethernet integrated controller and network system thereof
12/19/2012CN202617110U L frequency range line equalization amplifier
12/19/2012CN202615601U Concentrator capable of achieving multi-mode multi-channel communication in designated shell
12/19/2012CN102833919A Street lamp control concentrator based on low voltage power line carrier communication technology
12/19/2012CN102833515A EOC (Ethernet over Coax) equipment
12/19/2012CN102833308A Remote monitoring system node based on power line carrier local area network
12/19/2012CN102833147A Routing analysis device for power line communication network and routing analysis method thereof
12/19/2012CN102832973A Network accessing method of automatic meter reading system
12/19/2012CN102832972A Power line communication system and method
12/19/2012CN102832971A Synergetic networking system based on power line communication and communication method
12/19/2012CN102832970A Power line state monitoring method and device
12/19/2012CN102832969A EOC (Ethernet over Coax) mixer
12/19/2012CN102832968A Method for performing communication between mobile phone and equipment by using audio interface
12/19/2012CN102832963A Rate adaptive system and method for power line carrier spread spectrum communication
12/19/2012CN101938518B Data link layer protocol of low voltage power line spread-frequency communication
12/19/2012CN101662330B Cross convergence equipment with time slot scanning function and signaling acquisition system
12/19/2012CN101588336B Method, system and device for realizing symbol synchronization
12/18/2012US8335665 Apparatus and method for high resolution measurements for downhole tools
12/18/2012US8335319 Double talk detection method based on spectral acoustic properties
12/18/2012US8335247 Method and apparatus for measuring signal phase shifts
12/18/2012US8335246 Smart grid radio-frequency interference (RFI) detection
12/17/2012CA2776709A1 Communications system, apparatus and method
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