| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 04/21/2009 | US7522543 High-speed communications network tap with zero delay |
| 04/21/2009 | US7521938 Modeling and calibrating a three-port time-domain reflectometry system |
| 04/21/2009 | CA2282567C Adaptive dual filter echo cancellation |
| 04/16/2009 | WO2009048912A1 One-good-pair operation in dual-pair mode |
| 04/16/2009 | WO2009048177A1 Communication apparatus, communication method, circuit module and integrated circuit |
| 04/16/2009 | WO2009047965A1 Communication system, communication apparatus and communication terminal |
| 04/16/2009 | WO2009047865A1 Reception circuit, conversion table generating method of ad converter of the same and signal transmission system |
| 04/16/2009 | WO2009047852A1 Reception circuit, reception method and signal transmission system |
| 04/16/2009 | WO2008087618A3 Device, system and method for encoding employing redundancy and switching capabilities |
| 04/16/2009 | WO2008059486A3 System and method for cellular repeater antenna tuning |
| 04/16/2009 | WO2006091631A3 Degradation sensor for environmentally sensitive products and method of use |
| 04/16/2009 | US20090097672 Apparatus and method for sharing contents via headphone set |
| 04/16/2009 | US20090097537 Simplified algorithm for abnormal situation prevention in load following applications including plugged line diagnostics in a dynamic process |
| 04/16/2009 | US20090095575 Elevator system |
| 04/15/2009 | EP2048794A1 Method and device for data processing and communication system comprising such device |
| 04/15/2009 | EP2047610A2 Feedback impedance control for driving a signal |
| 04/15/2009 | EP2047609A1 High availability network system |
| 04/15/2009 | CN201222744Y On-site bus isolation transmission equipment |
| 04/15/2009 | CN101411171A Non-intrusive signal quality assessment |
| 04/15/2009 | CN101411113A Authentication relay apparatus, authentication relay system, integrated circuit, and authentication relay method |
| 04/15/2009 | CN101411088A 接收机 Receiver |
| 04/14/2009 | US7519131 Method and digital circuit for transmitting a plurality of bit sequences to be transmitted via several bus lines |
| 04/14/2009 | US7519113 Noise detection device |
| 04/14/2009 | US7519112 Testing device and method for providing receiver overload protection during transceiver testing |
| 04/14/2009 | US7519109 Process for configuring an xDSL modem and xDSL modem having such a process |
| 04/14/2009 | US7518952 Sonar sensor array signal distribution system and method |
| 04/14/2009 | US7518487 Power line communication system |
| 04/09/2009 | WO2009044872A1 Audio processing system |
| 04/09/2009 | WO2009044849A1 Communication device, its control method, communication system, data transmission system, communication device control program, and recording medium containing the program |
| 04/09/2009 | WO2009043951A1 Device for multiple voltage injections through multiple conductors |
| 04/09/2009 | WO2009043950A1 Device enabling multiple inductive injections through multiple conductors |
| 04/09/2009 | WO2008133548A8 Method for sending and taking off a signal with digital data in the power distribution network of a building |
| 04/09/2009 | WO2007052269A3 Wireless microphone system for high quality sound |
| 04/09/2009 | WO2005011297A3 Method and apparatus for reducing paging-related delays for anticipated target mobile stations |
| 04/09/2009 | US20090092209 Combined channel coding and space-block coding in a multi-antenna arrangement |
| 04/09/2009 | US20090092176 Regenerator unit |
| 04/09/2009 | US20090091182 Image formation apparatus capable of receiving power from a plurality of power sources and control method performed in such image formation apparatus |
| 04/09/2009 | DE102007046636A1 Verfahren und Vorrichtung zur Übertragung von Audiosignalen zu den Sendedioden einer Audiosignalinfrarotsendeeinheit Method and apparatus for transmitting audio signals to the transmitter diodes of an audio signal infrared transmitter unit |
| 04/09/2009 | DE102006046629B4 Elektrische Schaltung Electrical circuit |
| 04/08/2009 | EP2046005A1 Device,system and method for diagnosing the connectivity of dsl |
| 04/08/2009 | EP2045929A1 Multi-channel echo cancellation with round robin regularization |
| 04/08/2009 | EP2045928A1 Multi-channel echo cancellation with round robin regularization |
| 04/08/2009 | EP2044735A1 A device and a method for providing electrical energy to an actuator, and an actuator system |
| 04/08/2009 | EP2044697A1 Power line communication device for subsea well |
| 04/08/2009 | EP2044696A1 Method and modem for subsea power line communication |
| 04/08/2009 | EP1497916A4 Decision feedback equalizer |
| 04/08/2009 | EP1495538A4 Equalizer mode switch |
| 04/08/2009 | EP1181781B1 Method of forming channel estimate, and receiver |
| 04/08/2009 | CN201219267Y Power supplier |
| 04/08/2009 | CN201219056Y Splitter |
| 04/08/2009 | CN101405211A 电梯系统 Elevator system |
| 04/08/2009 | CN101404598A Hectometer long line analogy method and apparatus |
| 04/08/2009 | CN101404523A Low-voltage powerline carrier communication experiment method and its experiment system |
| 04/08/2009 | CN101404522A Method and apparatus for implementing data display of carrier wave electric energy meter |
| 04/08/2009 | CN101404521A Master-slave mode direct current carrier communication system and its control flow |
| 04/08/2009 | CN101404520A Method and apparatus for estimating crosstalk |
| 04/08/2009 | CN101404419A Integrated 10kV carrier wave communication intelligent switch |
| 04/08/2009 | CN100477704C Method and device for acoustic echo cancellation combined with adaptive wavebeam |
| 04/08/2009 | CN100477652C Adaptive equalizer operating at a sampling rate asynchronous to the data rate |
| 04/08/2009 | CN100477548C Communication device and method of strong antiburst error |
| 04/08/2009 | CN100477539C Coupler for coupling data signal to power transmission cable |
| 04/07/2009 | US7515877 Communicating signals according to a quality indicator and a time boundary indicator |
| 04/07/2009 | US7515639 Asynchronous data transmitting apparatus |
| 04/07/2009 | US7515562 Apparatus and method for supporting soft handover in broadband wireless access communication system |
| 04/07/2009 | US7515526 Dual mode power over ethernet controller |
| 04/07/2009 | US7515369 Information recording and reproducing apparatus and method, and signal decoding circuit for performing timing recovery |
| 04/07/2009 | US7515015 High speed signal transmission structure |
| 04/02/2009 | WO2009041625A1 Load driving method and load driving device |
| 04/02/2009 | WO2009041446A1 Echo removal device |
| 04/02/2009 | WO2009040993A1 Power line communication system and power line communication device |
| 04/02/2009 | WO2009040419A1 Method and device for data processing in xdsl system |
| 04/02/2009 | WO2009040408A1 Method and device for data processing and communication system comprising such device |
| 04/02/2009 | WO2009040350A1 Method and device for noise processing and communication system comprising such device |
| 04/02/2009 | WO2009039759A1 Method and apparatus for controlling dsl line transmission power |
| 04/02/2009 | WO2009039647A1 Utility outlets and alertment/fire safety systems |
| 04/02/2009 | WO2008151261A3 Managing communications over a shared medium |
| 04/02/2009 | US20090088070 Methods, Systems, and Computer-Readable Media for Utilizing a Repeating Function to Improve Quality of Service |
| 04/02/2009 | US20090088069 Method and system for repeater with gain control and isolation via polarization |
| 04/02/2009 | US20090086987 Method and System for Removal of Clicks and Noise in a Redirected Audio Stream |
| 04/02/2009 | US20090086986 Efficient audio signal processing in the sub-band regime |
| 04/02/2009 | US20090086830 Lvdt acquisition device with dual demodulation subsystem |
| 04/02/2009 | US20090086803 Apparatus and method for detecting signals in a communication system using multiple antennas |
| 04/02/2009 | US20090086801 Method for reliable injection of deterministic jitter for high speed transceiver simulation |
| 04/02/2009 | US20090086800 Adaptive fec codeword management |
| 04/02/2009 | US20090086793 Repeater circuit |
| 04/02/2009 | US20090086655 Portable wireless repeater system for indoor wireless coverage enhancement of residential, small office, and vehicular applications |
| 04/02/2009 | DE10353495B4 Multiplexverfahren mit adaptiven Datenblocklängen Multiplexing method with adaptive data block lengths |
| 04/02/2009 | DE102004058233B4 Kabellängen-Erfassungsvorrichtung und Verfahren für einen Tastatur-Video-Maus-Schalter Cable length detection apparatus and method for a keyboard-video-mouse switch |
| 04/01/2009 | EP2043301A1 Wireless lan system and wireless lan access point |
| 04/01/2009 | EP2043280A1 Waveform equalizing device |
| 04/01/2009 | EP2043279A1 A method and a system for providing data communication on-board trains in a plurality of carriages |
| 04/01/2009 | EP2043278A1 Signal processing |
| 04/01/2009 | EP2043277A1 Method and device for data processing in XDSL system |
| 04/01/2009 | EP2043276A1 Method and device for data processing and communication system comprising such device |
| 04/01/2009 | EP2043275A1 Method and device for noise processing and communication system comprising such device |
| 04/01/2009 | EP2043274A1 Transmission method together with multi pairs of lines, sender and receiver thereof |
| 04/01/2009 | EP2042818A2 Air conditioner system with a plurality of communication lines between indoor unit and outdoor unit and switching means |
| 04/01/2009 | EP2041884A1 Power line communication system |
| 04/01/2009 | EP1834418B1 Method and apparatus for power line communication |
| 04/01/2009 | EP1405382A4 Electric circuit providing selectable short circuit for instrumentation applications |