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