Patents
Patents for H04B 3 - Line transmission systems (31,523)
11/2009
11/05/2009CA2722920A1 System and method for efficient association of a power outlet and device
11/04/2009EP2114018A1 Power line communication apparatus
11/04/2009EP1774672B1 Power line transmission apparatus and communication system using the same
11/04/2009CN201340906Y Equivalent rotary antenna
11/04/2009CN201340652Y Device for metering low-voltage power line carrier
11/03/2009US7613237 Built-in test feature to facilitate system level stress testing of a high-speed serial link that uses a forwarding clock
11/03/2009US7613235 Hitless modem pool expansion at steady state
11/03/2009US7613234 Near-end, far-end and echo cancellers in a multi-channel transceiver system
11/03/2009US7613124 Method and apparatus for documenting network paths
11/03/2009US7612655 Alarm system for hearing impaired individuals having hearing assistive implanted devices
11/03/2009US7612629 Biased nonlinear transmission line comb generators
11/03/2009US7612628 Ultrafast sampler with coaxial transition
11/03/2009US7612472 Method and apparatus for monitoring energy storage devices
10/2009
10/29/2009WO2009131501A1 Method for transmission line analysis
10/29/2009WO2009130913A1 Wireless communication device and quantization method
10/29/2009WO2009130906A1 Communication apparatus and communication method
10/29/2009WO2009130905A1 Communication terminal device and communication method
10/29/2009WO2009130134A1 Method and hybrid circuit for attenuating near-end crosstalk in a bidirectional signal transmission
10/29/2009WO2009129854A1 Method and device for data processing and system comprising said device
10/29/2009WO2009129853A2 Method and device for data processing and system comprising said device
10/29/2009WO2009129851A1 Method and device for processing data and system comprising such a device
10/29/2009WO2008057787A8 Broadcast method and system
10/29/2009US20090268923 Wireless transmission-AV system of outdoor furniture
10/29/2009US20090268922 Personal computer adaptor device, personal computer signal reproducing system, personal computer reproducing method, personal computer signal reproducing program, output device control program, personal computer adaptor device control program, personal computer control program, power line communication connector device, cradle device using the same, and power line communication reproducing system
10/29/2009US20090268920 Cardioid beam with a desired null based acoustic devices, systems and methods
10/29/2009US20090268786 Mobile Communication System and Wireless Apparatus to be Used for the Same
10/29/2009US20090268646 Line Driver For An Adaptive Hybrid Circuit
10/29/2009US20090267409 Power line communication apparatus
10/28/2009EP2112810A1 Line measuring method and device
10/28/2009EP2112770A1 Method and hybrid circuit for attenuating near-end crosstalk in a bidirectional signal transmission
10/28/2009EP2111691A1 Power line communication system on aircraft
10/28/2009CN101569210A Audio processing system
10/28/2009CN101569109A System for control of lights and motors
10/28/2009CN101569108A Common mode adaptive equalization
10/28/2009CN101567938A Information processing apparatus and signal transmission method
10/28/2009CN101567864A Network device with far-end interference elimination function
10/28/2009CN101567711A Method and hybrid circuit for attenuating near-end crosstalk in a bidirectional signal transmission
10/28/2009CN101567710A Receiving device capable of eliminating echo and intrusion tone and correlative receiving method thereof
10/28/2009CN100556012C Frequency-domain equalizing of single carrier signal
10/28/2009CN100555898C Method and equipment for avoiding common channel interference
10/28/2009CN100555897C Apparatus for increasing anti-interference degree of signal port
10/28/2009CN100555896C Digital filter circuit and method for blocking a transmission line reflection signal
10/27/2009US7609840 System and method for hierarchical audio conflict control
10/27/2009US7609758 Method of phase shifting bits in a digital signal pattern
10/27/2009US7609614 Uplink modulation and receiver structures for asymmetric OFDMA systems
10/22/2009WO2009127151A1 Method, equipment and digital subscriber line system for spectrum optimization
10/22/2009WO2009077007A3 Method for transmitting data records
10/22/2009US20090262950 Multi-channel acoustic echo cancellation system and method
10/22/2009US20090262796 equalizing filter circuit
10/22/2009US20090262694 Apparatus and method for precoding by midamble in multiple input multiple output wireless communication system
10/22/2009US20090262678 Cooperative communications techniques
10/22/2009US20090261651 Power Supply and Communications System for a Passenger Aircarft
10/21/2009EP2110959A1 Communication method for elements that form an electricity distribution network and devices for implementing the method
10/21/2009EP2110958A2 Data communication over power lines
10/21/2009EP2109963A2 Method and device for bus arbitration, converter and manufacturing installation
10/21/2009EP1889084B8 Module for testing electromagnetic compatibility of a high-speed ethernet interface onboard an aircraft
10/21/2009EP1880481B1 Data transmission
10/21/2009EP1334570B1 Hdsl repeater
10/21/2009EP1129526B1 Methods and apparatus for providing echo suppression using frequency domain nonlinear processing
10/21/2009EP1049308B1 Transmitting in the presence of TCM-ISDN interference
10/21/2009CN101563855A Method, arrangement and device for the precompensation of crosstalk in a DSL mimo system
10/21/2009CN101563854A Method for transmission of data in a data stream via a communication medium in a communication system, as well as subscriber to a communication system, and communication system for carrying out the me
10/21/2009CN101562585A Line driver architecture for 10/100/1000 base-t ethernet
10/21/2009CN101562487A Frequency spectrum optimization method, device and digital user line system
10/21/2009CN100553170C Method, system and processor in the system for estimating length of DSL transmission medium
10/21/2009CN100553126C Controller of radio-frequency power generator for reducing sensitivity to cable length
10/20/2009US7607052 Physical coding sublayer for a multi-pair gigabit transceiver
10/20/2009US7606547 Active resistance summer for a transformer hybrid
10/20/2009US7606530 RFID system for allowing access to remotely positioned RFID tags
10/20/2009US7606343 Phase-locked-loop with reduced clock jitter
10/20/2009US7606315 Line sensor selection for quantifying alien crosstalk in a shared communications medium
10/20/2009US7606298 Method of testing remote power line carrier pick-up coil
10/20/2009US7606183 Devices, softwares and methods with improved performance of acoustic echo canceller in VoIP communication
10/17/2009CA2659636A1 Reversible faceplate terminal adapter which changes signal flow direction
10/15/2009WO2009125080A2 Low-voltage control interface coupler for a multi-pulse emitter
10/15/2009WO2009124561A1 Method for safely analysing errors for a network and network
10/15/2009WO2009124389A1 System and method for programmable pre-amplification of a signal
10/15/2009WO2009101404A3 Signal and devices for wired networks
10/15/2009US20090257520 Pilot pattern design for small size resource block in OFDMA systems
10/15/2009US20090257514 System and method for improving equalization in a high speed serdes environment
10/15/2009US20090257480 System and method for utilizing spectral resources in wireless communications
10/15/2009US20090257342 Resource block based pilot pattern design for 1/2 - stream mimo ofdma systems
10/15/2009US20090256689 Image display apparatus and image display method
10/15/2009DE202009004079U1 Galvanisch getrenntes Energie- und Datenübertragungsmodul Electrically isolated power and data transmission module
10/15/2009DE19950714B4 Schaltung und Verfahren zum Kombinieren einer Vorspannung mit Signalen mit wahlweise variabler Signalverstärkung Circuit and method for combining a bias voltage signals with optional variable signal amplification
10/15/2009DE102009013596A1 Empfangsvorrichtung Receiving device
10/15/2009DE102008018393A1 Light source operating method, involves engaging operating mode by light source, where operating mode is selected from multiple operating modes depending on interpretation of operating voltage as signal
10/15/2009CA2718673A1 Low-voltage control interface coupler for a multi-pulse emitter
10/14/2009EP2108222A1 Apparatus
10/14/2009CN101556164A Digital road sign, digital door plate address and electronic road guide system and applications thereof
10/14/2009CN100550950C An echo canceller circuit and method
10/14/2009CN100550077C A 2D relay-type automatic route meter reading method and carrier route dynamic maintenance method
10/14/2009CN100550076C Building control or danger warning system
10/13/2009US7603486 Network management system providing logic signals over communication lines for detecting peripheral devices
10/13/2009US7602843 Apparatus and method for transmitting/receiving channel quality information in a communication system
10/13/2009CA2429877C Echo canceller employing h-register and storage register
10/13/2009CA2274173C Method and apparatus for adaptive equalization in the presence of large multipath echoes
10/08/2009WO2009123404A1 In-building communication-relay system using power-line communication and method thereof
10/08/2009WO2009122121A1 Measuring line performance
10/08/2009WO2009121923A1 Method and device for snr measurement