Patents
Patents for H04B 3 - Line transmission systems (31,523)
08/2011
08/17/2011CN201937582U 与无源光网络技术结合的电力线通信装置 Power line communication device with a combination of passive optical network technology
08/17/2011CN201937581U 电力网通讯载波机 Power Netcom Carrier
08/17/2011CN201937580U 电力网配电采集装置 Electricity distribution network collection device
08/17/2011CN201937579U Power grid communication system based on medium-voltage PLC technology
08/17/2011CN1957551B Synchronization in a broadcast OFDM system using time division multiplexed pilots
08/17/2011CN1870761B Interlocking modules for high packing ratios
08/17/2011CN1707859B Cross-talk improvement for high frequency by frequency dependent effective capacity
08/17/2011CN102158456A Orthogonal frequency division multiplexing (OFDM)-based power line carrier communication system and fast Fourier transform (FFT) window position recovery method thereof
08/17/2011CN102158258A Circuit and method for sending power line carrier (PLC) signals
08/17/2011CN102158257A Energy-saving method, equipment and system for PLC (power line carrier) networking equipment
08/17/2011CN102158256A Exception handling method during coaxial cable communication in spraying room
08/17/2011CN102158255A Method and system for determining transmission parameter values between node equipment as well as node equipment
08/17/2011CN101155219B Equipment used for drafting service quality map in fixed communication network
08/16/2011US8000648 Radio communications system and antenna pattern switching
08/16/2011US8000482 Microphone array processing system for noisy multipath environments
08/16/2011US8000481 Speaker array and microphone array
08/16/2011US8000479 Wireless speaker adapter
08/16/2011US8000274 Versatile system for transceiver noise reduction in a time-division duplexing wireless network
08/16/2011US7999661 Signal relay device, communication network system and operation system
08/16/2011US7997734 Image display controller for display shelf
08/11/2011WO2011095828A1 Control systems
08/11/2011WO2011095653A1 Video anticipation and surveillance system for rail transport
08/11/2011WO2011085703A8 Device and method for providing a supply voltage in a bus node of a bus network
08/11/2011US20110195658 Layered retransmission apparatus and method, reception apparatus and reception method
08/11/2011US20110195657 Radio relay apparatus
08/11/2011US20110194626 Multi-Wideband Communications Over Power Lines
08/11/2011US20110194625 Method and apparatus for generating a preamble for use in cable transmission systems
08/11/2011US20110194624 Pairing plc devices
08/11/2011US20110194595 Methods and systems for transmitting signals differentialy and single-endedly across a pair of wires
08/11/2011DE10151949B4 Splitter-Schaltungsanordnung Splitter circuit arrangement
08/10/2011EP2355367A1 Power line communication for a photovoltaic system
08/10/2011EP2355366A1 Pairing PLC devices
08/10/2011EP2070180B1 Method for operating and using a converter as active audio frequency block
08/10/2011EP2030454B1 Vectored DSL
08/10/2011CN201928294U ADSL (asymmetrical digital subscriber line) modulation and demodulation device
08/10/2011CN201928287U 一种电力线载波窄带通信信道特性模拟电路 A power line carrier communication channel characteristics narrowband analog circuits
08/10/2011CN201928277U 一种模块化载波接收系统 A modular carrier receiving system
08/10/2011CN201928276U Power modem based on EPON (Ethernet Passive Optical Network) access
08/10/2011CN201928242U 用于电力线载波通信的自动增益控制装置 Automatic gain for power line carrier communication control device
08/10/2011CN102150324A In-millimeter-wave dielectric transmission device and method for manufacturing same, and wireless transmission device and wireless transmission method
08/10/2011CN102150323A Millimiter wave transmission device, millimiter wave transmission method, and millimiter wave transmission system
08/10/2011CN102149232A Streetlamp terminal monitor based on power carrier technology
08/10/2011CN102148630A Energy-saving management method and system based on power line carrier
08/09/2011US7996189 Event-detection in multi-channel sensor-signal streams
08/09/2011US7995660 Receiver termination circuit for a high speed direct current (DC) serial link
08/09/2011US7995647 Apparatus and method for evaluating propagation path conditions
08/09/2011US7995645 Apparatus for measuring in-phase and quadrature (IQ) imbalance
08/09/2011US7995512 Method of transmitting data in cellular networks using cooperative relaying
08/09/2011US7994871 Chip on film trace routing method for electrical magnetic interference reduction
08/04/2011WO2011093190A1 Receiving unit for digital communication device, digital communication device, and digital communication system
08/04/2011US20110188669 Electronic device and method thereof for switching audio input channel of the electronic device
08/04/2011US20110188668 Media delivery system
08/04/2011US20110188667 Hybrid/Electric Car Sound Symphony System
08/04/2011US20110188584 Digital load-sharing to enhance the redundancy and flexibility of channel distribution in a multiple-channel multiple-port catv upconverter/modulator
08/04/2011US20110188560 Matching Pursuits Basis Selection
08/04/2011US20110187521 Tactile driver feedback regarding the operational readiness of a vehicle
08/04/2011US20110187514 Apparatus for providing haptic feedback
08/04/2011DE102010001445A1 Vorrichtung und Verfahren zum Anschluss eines energiewandelnden Endgerätes Apparatus and method for connecting an energy converting terminal
08/03/2011EP2352274A2 Delay estimator
08/03/2011EP2352237A1 Adaptive filter and echo canceller having same
08/03/2011EP2352133A1 Transmission input circuit
08/03/2011EP2351241A1 Transmission method taking echo into account
08/03/2011EP2351240A1 Method for robust crosstalk precoder training in channels with impulse noise
08/03/2011EP2351212A1 Multiple-input and multiple-output amplifier having pseudo-differential inputs
08/03/2011EP1733550B1 High speed multiple loop dsl system
08/03/2011CN201919011U 智能电源控制装置 Intelligent power control device
08/03/2011CN201918989U 电力线通信信号隔离及耦合装置 Communications signal isolation and coupling device
08/03/2011CN201918988U 漏缆监测设备及其系统 Drain cable monitoring equipment and systems
08/03/2011CN102142864A Broadband communication device for long-distance high-speed power line
08/03/2011CN102142863A Data reporting method and system
08/02/2011US7991352 Method and apparatus for automatic repeat request in a multi-hop broadband wireless communication system
08/02/2011US7991078 Signal processing apparatus, signal processing method, and program
08/02/2011US7991046 Calibrating jitter
08/02/2011US7991045 Device and method for testing signal-receiving sensitivity of an electronic subassembly
08/02/2011US7991044 System and method for automatic diagnosis of impairments in a digital quadrature amplitude modulated signal
08/02/2011US7990996 Data transmission
08/02/2011US7990229 Methods and devices for compensating a signal using resonators
08/02/2011US7990228 Semiconductor device and wiring part thereof
08/02/2011CA2590745C Improved method and apparatus for detecting echo path changes in an acoustic echo canceller
07/2011
07/28/2011WO2011090780A1 Method and apparatus for increasing the forces applied to bare a finger on a haptic surface
07/28/2011WO2011090206A1 Communication system
07/28/2011WO2011056233A3 High speed communication
07/28/2011US20110183605 Method and apparatus related to on-board message repeating for vehicle consist communications system
07/28/2011US20110182369 Input/output signal controller and input/output signal control system employing the input/output controller
07/28/2011US20110182347 Adaptive equalizer and adaptive equalizing method
07/28/2011US20110182334 Method And System For Communicating Over Neutral Power Lines
07/28/2011US20110182217 Tdd repeater for a wireless network and method for operating said repeater
07/28/2011US20110182213 Network Node, Network and a Method for Waking Up a Network Node
07/28/2011US20110182168 Interaction between echo canceller and packet voice processing
07/28/2011US20110181404 Method for haptic feedback control
07/28/2011US20110181403 Generation of consistent haptic effects
07/27/2011EP2348645A1 Method and apparatus for detecting double talk
07/27/2011EP2348644A1 Upstream power back-off method in digital subscriber line and the device and the system thereof
07/27/2011EP2347521A1 Avionic system comprising a controller and at least one peripheral that are linked by a line mutualized for power and data
07/27/2011DE202011003093U1 Gerät zum Betrieb begrenzter Datenstrecken über Energiekabel Device for the operation of limited data links over power cables
07/27/2011CN201909984U Device for realizing timing control of on and off of load by power line carrier communication
07/27/2011CN1780165B Echo eliminator and elimination method
07/27/2011CN1371181B Communication setting method and system for power line communication system
07/27/2011CN102138310A Signal transmission device
07/27/2011CN102138134A Intelligent power-enabled communications port
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