Patents for H04B 3 - Line transmission systems (31,523) |
---|
04/12/2011 | CA2494500C Method for detecting echo path changes in echo cancellers |
04/07/2011 | WO2011040036A1 Direct current power line communication system and direct current power line communication apparatus |
04/07/2011 | WO2011039334A2 Method for the data transmission from an emitter to a receiver in an ac voltage network and data transmission device for ac voltage networks |
04/07/2011 | WO2011018190A3 Dsl vectoring technology reuse |
04/07/2011 | WO2011001430A3 Power line communication method and apparatus |
04/07/2011 | US20110081856 Methods and Arrangements for Frequency Selective Repetition |
04/07/2011 | US20110080273 Sensation Presenting System and Sensation Presenting Device |
04/07/2011 | DE102004027367B4 Verfahren zum Übertragen von Leitungssignalen über eine Leitungseinrichtung und Übertragungsvorrichtung A method for transmitting signals via a cable conduit means and transfer device |
04/06/2011 | EP2306658A1 Digital interface system to support Ethernet and cable connection state displaying method thereof |
04/06/2011 | EP1556253B1 Feed line structure |
04/06/2011 | CN201789502U Power line high-frequency channel |
04/06/2011 | CN201789501U Narrowband carrier attenuation device applied to low-voltage centralized meter reading |
04/06/2011 | CN102006701A Intelligent light-emitting diode (LED) power supply based on power line carrier communication (PLCC) |
04/06/2011 | CN102006375A Method and device for processing asymmetrical digital subscriber line ports |
04/06/2011 | CN102006129A FPGA (Field Programmable Gate Array)-based method and device for simulating power line channel |
04/06/2011 | CN102006101A Power line carrier communication module |
04/06/2011 | CN102006100A Transceiver in communication system and starting method thereof |
04/06/2011 | CN102005820A Control and protective switch combining electric carrier wave and GPRS communication technique |
04/06/2011 | CN101422089B Circuit module and power line communication apparatus |
04/05/2011 | US7920933 Digital mixing system with double arrangement for fail safe |
04/05/2011 | US7920697 Interaction between echo canceller and packet voice processing |
04/05/2011 | US7920599 Methods and systems for synchronizing wireless transmission of data packets |
04/05/2011 | US7920492 Devices, softwares and methods for redundantly encoding a data stream for network transmission with adjustable redundant-coding delay |
04/05/2011 | US7920491 System and method for split isolation in radio frequency electronics |
04/05/2011 | US7920010 Signal isolators using micro-transformers |
04/05/2011 | CA2474817C High frequency network multiplexed communications over various lines using multiple modulated carrier frequencies |
03/31/2011 | WO2011036573A1 Method for pseudo-differential transmission using a non-uniform interconnection |
03/31/2011 | WO2011036572A1 Method for transmission using a non-uniform interconnection |
03/31/2011 | WO2011036490A1 Electrical isolators |
03/31/2011 | WO2011036026A1 Method for reducing interferences between a first carrier current signal transmitted between modems of a power grid and a second signal transmitted between modems of another grid |
03/31/2011 | WO2011035596A1 Method, system and device for filtering processing |
03/31/2011 | US20110076938 Wireless communication apparatus and wireless communication method |
03/31/2011 | US20110075856 Network System |
03/31/2011 | US20110075835 Self adapting haptic device |
03/31/2011 | US20110075741 Multimode ethernet line driver |
03/31/2011 | US20110075740 Configurable Differential to Single Ended IO |
03/31/2011 | US20110074573 Portable device with multiple modality interfaces |
03/31/2011 | US20110074559 Mounting Apparatus For A Haptic Surface |
03/30/2011 | EP2302818A1 Multi-band data transmission method |
03/30/2011 | EP2302817A1 Transmission system |
03/30/2011 | EP2302761A1 Powerline control system |
03/30/2011 | EP2301216A2 Vectored dsl crosstalk cancellation |
03/30/2011 | EP2301165A2 Intelligent power system and methods for its application |
03/30/2011 | EP2301164A1 System for transmitting an electrical signal, in particular frequency-related and radiation measurement device equipped with such a system |
03/30/2011 | EP2301163A1 Capacitive-coupled crosstalk cancelation |
03/30/2011 | EP1290810B1 Sliced bandwidth distortion prediction |
03/30/2011 | EP1022865B1 Echo canceller and echo cancelling method |
03/30/2011 | CN201781503U Distribution network data acquisition communication adapter |
03/30/2011 | CN201781501U Modem based on coaxial cable |
03/30/2011 | CN201781491U Power modem with plastic fiber interface |
03/30/2011 | CN201781486U High-isolation signal mixer |
03/30/2011 | CN201780373U Active ultrasonic probe circuit for transmitting signals by using twin wire |
03/30/2011 | CN1839557B System and method for receiving and processing signal received from multiple terminals |
03/30/2011 | CN101997625A Wireless signal transmitter and related multimedia system |
03/30/2011 | CN101997573A DSP controlled power line communication simulation front-end interface |
03/30/2011 | CN101997572A Information processing apparatus, and signal transmission method |
03/30/2011 | CN101997150A Wired transmission line for AV devices |
03/29/2011 | US7916877 Modular interunit transmitter-receiver for a portable audio device |
03/29/2011 | US7916778 Constructing an energy matrix of a radio signal |
03/29/2011 | US7916776 Performance customization system and process for optimizing xDSL performance |
03/29/2011 | US7916002 Haptic operative user interface input apparatus |
03/29/2011 | CA2394491C Diagnostic methods and systems for multicarrier modems |
03/24/2011 | WO2011033924A1 Echo removal device, echo removal method, and program for echo removal device |
03/24/2011 | WO2011033217A1 Pre-filtering of a data signal transmitted between two communicating entities via a wire transmission channel |
03/24/2011 | WO2011009584A3 Method and apparatus for vectored data communication |
03/24/2011 | US20110069966 Optical transceiver with electrical dispersion equalization |
03/24/2011 | US20110069766 Method of communicating with using electric power line for mobile body |
03/24/2011 | US20110069746 Method to Detect Data Transmitted by Multiple Antennas |
03/24/2011 | US20110069646 Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input |
03/23/2011 | EP2299705A1 Method and apparatus for automatic compensation of video signal losses from transmission over conductors |
03/23/2011 | EP2299557A2 Power supply cooperation system and uninterruptible power supply device |
03/23/2011 | EP2299366A1 Bus system and method for data communication |
03/23/2011 | EP2297867A2 Robust wideband symbol and frame synchronizer for power-line communication |
03/23/2011 | EP2297866A1 Blind channel quality estimator |
03/23/2011 | EP2297865A1 Jammer canceller for power-line communication |
03/23/2011 | EP2001136B1 A method and device for reducing surrounding coupled noise |
03/23/2011 | CN101990032A Mobile electronic device with camera device and control method thereof |
03/23/2011 | CN101989416A Display system |
03/23/2011 | CN101989376A Intelligent home control system |
03/23/2011 | CN101282189B Method, system and terminal for clock synchronization |
03/22/2011 | US7912564 Digital mixing system with double arrangement for fail safe |
03/22/2011 | US7912377 Visible light communication apparatus and visible light communication method |
03/22/2011 | US7912234 Acoustic projector for propagating a low dispersion sound field |
03/22/2011 | US7912227 Sound reproducing screen for an ultrasonic converting and reproducing method |
03/22/2011 | US7912210 Inductive coupling for communications equipment interface circuitry |
03/22/2011 | US7912117 Transport delay and jitter measurements |
03/22/2011 | US7912116 Apparatus and method for transmitting data using relay station in a broadband wireless communication system |
03/22/2011 | US7912092 Systems and methods for transmitting a transmission time interval signal with staggered reference signals |
03/22/2011 | US7911328 Capture and remote reproduction of haptic events in synchronous association with the video and audio capture and reproduction of those events |
03/22/2011 | US7911327 Vibration device and method of fabricating the same |
03/22/2011 | US7911289 Filter with magnetic layer and manufacturing method thereof |
03/22/2011 | US7911224 Signal transmitting device suited to fast signal transmission |
03/22/2011 | US7911088 Method and apparatus for monitoring energy storage devices |
03/22/2011 | CA2482208C Distance extender and method making use of same |
03/17/2011 | WO2011031199A1 A method for estimating transmission properties of a telecommunications transmission line |
03/17/2011 | WO2011030701A1 Equalization device, equalization method, and recording medium |
03/17/2011 | WO2011030555A1 On-board communication device and vehicle using the same |
03/17/2011 | US20110066406 Method for Generating Real-Time Haptic Response Information for a Haptic Simulating Device |
03/17/2011 | US20110064123 Multi-pair gigabit ethernet transceiver |
03/17/2011 | US20110063208 Method and system for conveying an emotion |