| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 09/16/2004 | US20040181738 System and method for trellis decoding in a multi-pair transceiver system |
| 09/16/2004 | US20040179676 Speech communication apparatus |
| 09/16/2004 | US20040179636 Method and apparatus for adaptive equalization of high speed data communications |
| 09/16/2004 | US20040179623 Differential error detector |
| 09/16/2004 | US20040179387 Multi-channel digital feedback reducer system |
| 09/16/2004 | US20040178976 Bus interface technology |
| 09/16/2004 | US20040178888 Bi-directional transfer of signals between a power line communication system and a coaxial distribution system |
| 09/15/2004 | EP1304005B1 Method for the assembly of a mobile radio network base station and connection of the base station to the network |
| 09/15/2004 | EP1232644A4 A system and method for echo cancellation |
| 09/15/2004 | EP1219041B1 Powerline data network filter |
| 09/15/2004 | EP0879527B1 Training process for signal classification apparatus |
| 09/15/2004 | CN1529955A High-speed optical data links |
| 09/15/2004 | CN1529528A Multi sampling rate array signal noise-removing method |
| 09/15/2004 | CN1529492A Improved ADSL compatible discrete multi-tone apparatus |
| 09/15/2004 | CN1529432A Method and appartus for equalization complementray carriers in an AM compatible digital audio broadcast system |
| 09/15/2004 | CN1529422A Millietric wave receiving module |
| 09/15/2004 | CN1167213C Test method of echo cancel function |
| 09/15/2004 | CN1167206C Remote feeder reactance coil |
| 09/14/2004 | US6792600 Method and apparatus for just in time compilation of instructions |
| 09/14/2004 | US6792107 Double-talk detector suitable for a telephone-enabled PC |
| 09/14/2004 | US6792106 Echo canceller and method of echo cancellation using an NLMS algorithm |
| 09/14/2004 | US6792049 Digital transceiver system with adaptive channel pre-coding in an asymmetrical communications network |
| 09/14/2004 | US6792038 Startup protocol for high throughput communications systems |
| 09/14/2004 | US6791337 DC attenuation meter |
| 09/10/2004 | WO2004036813A3 Repeaters sharing a common medium for communications |
| 09/10/2004 | WO2003090348A8 Decision feedback equalizer |
| 09/10/2004 | WO2003034698A3 Method for regulating a modelling filter |
| 09/09/2004 | US20040174991 Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus |
| 09/09/2004 | US20040174897 Local area network of serial intellegent cells |
| 09/09/2004 | US20040174851 Dual purpose power line modem |
| 09/09/2004 | US20040174831 Hybrid-type data transmission apparatus and method suitable for high-performance wireless LAN |
| 09/09/2004 | US20040174807 Method for co-layout of different buses in an electric board |
| 09/09/2004 | US20040174251 Power transfer apparatus for concurrently transmitting data and power over data wires |
| 09/09/2004 | DE10226350B4 Verfahren und Vorrichtung zum Ermitteln der elektrischen Eigenschaften einer Datenleitung Method and apparatus for determining the electrical characteristics of a data line |
| 09/08/2004 | EP1455462A2 Integrable branching unit in a submarine telecommunications system, submarine system and method for reconfiguring |
| 09/08/2004 | EP1454424A1 Coupler arrangement |
| 09/08/2004 | EP1454423A1 High-frequency data transmission |
| 09/08/2004 | EP1454422A1 Method and system for high-speed communication over power line |
| 09/08/2004 | EP1057291A4 System and method for factoring a merged wave field into independent components |
| 09/08/2004 | CN2640130Y 复合通信接口 Complex communication interface |
| 09/08/2004 | CN1528089A Multi-band coax extender for in-building digital communicaton systems |
| 09/08/2004 | CN1528059A Downlink synchronisation method for a point-to-mutipoint system wit OFDM modulation |
| 09/08/2004 | CN1527212A Signal transmitting equipment |
| 09/08/2004 | CN1166190C Apparatus for processing received data flow and processing method |
| 09/08/2004 | CN1166160C Arrangement for suppressing interfering component of input signal |
| 09/08/2004 | CN1166076C Comprehensive channel identifying and symbol syncyhronizing method |
| 09/08/2004 | CN1166036C System for transmitting message via low-voltage power supply network and adapted thereof |
| 09/08/2004 | CN1165856C Idle signals and echo cancellation |
| 09/07/2004 | US6788784 Circuit arrangement for signaling in telecommunications networks |
| 09/07/2004 | US6788169 Amplifier composite triple beat (CTB) reduction by phase filtering |
| 09/02/2004 | WO2004075433A1 Power line carrier communication device and power line carrier communication method |
| 09/02/2004 | WO2004073373A2 Pseudo isolated power conditioner |
| 09/02/2004 | WO2002065684A8 Data communication over a power line |
| 09/02/2004 | US20040172241 Method and system of correcting spectral deformations in the voice, introduced by a communication network |
| 09/02/2004 | US20040171398 Channel estimation method for a mobile communication system |
| 09/02/2004 | US20040170284 Sound reinforcement system having an echo suppressor and loudspeaker beamformer |
| 09/02/2004 | US20040170271 Echo canceller ensuring further reduction in residual echo |
| 09/02/2004 | US20040170230 Method and apparatus for equalization and crosstalk mitigation |
| 09/02/2004 | US20040170189 Local area network of serial intellegent cells |
| 09/02/2004 | DE10353494A1 Echo canceller in communication system, has noise generator which is controlled based no received signals, and superimposes noise signals on transmission signals |
| 09/01/2004 | EP1453261A1 Channel estimation method for a mobile communication system |
| 09/01/2004 | EP1451989A1 Adsl pre-qualification method comprising echo-canceller optimisation with maximum selectivity |
| 09/01/2004 | EP1451941A1 Home appliances network |
| 09/01/2004 | CN2638337Y Flush power line carrier communication modem |
| 09/01/2004 | CN1526223A Transmission of multi-carrier waves on one electrical power supply line |
| 09/01/2004 | CN1525768A Channel estimation method for a mobile communication system |
| 09/01/2004 | CN1525347A Signal transmitting device suited to fast signal transmission |
| 09/01/2004 | CN1164951C Open type voltameter |
| 08/31/2004 | US6785532 Power line communications |
| 08/31/2004 | CA2262998C Frame-based spectral shaping method and apparatus |
| 08/26/2004 | WO2004073179A2 System and method for providing audio signals over conventional power lines |
| 08/26/2004 | US20040165672 Upstream communication system with controllable band pass filter properties |
| 08/26/2004 | US20040165616 Networks for telephony and data communication |
| 08/26/2004 | US20040164688 Method and devices for controlling loads connected to a power line |
| 08/26/2004 | DE10305077A1 Echo compensation involves generating compensation signal depending on corrected transmission signal produced by distortion correction device, subtracting from received signal |
| 08/25/2004 | EP1449338A1 Adaptive equalizer operating at a sampling rate asynchronous to the data rate |
| 08/25/2004 | EP1449337A2 Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer |
| 08/25/2004 | EP1449310A1 Dynamic allocation of frequency spectrum |
| 08/25/2004 | EP0960520B1 Method for automatically adapting levels of signals exchanged in a communication network |
| 08/25/2004 | EP0908048B1 Echo canceller system |
| 08/25/2004 | CN1524353A Single ended line probing in DSL system using transformerless hybrid |
| 08/25/2004 | CN1523869A Apparatus and method for transmitting voice data on adsl subscriber board |
| 08/25/2004 | CN1523868A Network phone system and method having dynamic gain control function |
| 08/25/2004 | CN1523829A Home network system and method of providing operation history for same |
| 08/25/2004 | CN1523775A Power line carrier wave modulator-demodulator |
| 08/25/2004 | CN1164036C Acoustic echo and noise cancellation |
| 08/24/2004 | US6782060 Method and apparatus for generating reliability information for channel decoding in a radio receiver |
| 08/24/2004 | US6782055 Receiver circuit for a communication system |
| 08/24/2004 | US6782043 Method and apparatus for estimating the length of a transmission line |
| 08/24/2004 | US6782042 Methods and devices for simplifying blind channel estimation of the channel impulse response for a DMT signal |
| 08/24/2004 | US6782005 Communication system and communication method |
| 08/24/2004 | US6781965 Method and apparatus for echo cancellation updates in a multicarrier transceiver system |
| 08/24/2004 | US6781386 Method and device for measuring a line attenuation |
| 08/24/2004 | CA2378839C Improved method for determining subscriber loop make-up |
| 08/24/2004 | CA2233679C An adaptive dual filter echo cancellation method |
| 08/19/2004 | WO2004070969A1 Echo cancellation device including a double talk detector |
| 08/19/2004 | WO2004070968A1 Receiver system and method for reduced swing differential clock |
| 08/19/2004 | WO2004070905A2 Shielded energy conditioner |
| 08/19/2004 | WO2004070414A2 Audio interface device for public address systems |
| 08/19/2004 | WO2004057772A3 Power line communication capacitor filter |