| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 04/13/2000 | WO2000021228A1 Method for equalization of complementary carriers in an am compatible digital audio broadcast system |
| 04/13/2000 | WO2000021212A1 Method and circuit arrangement for transmitting data to power lines |
| 04/13/2000 | WO2000021211A1 Method and device for transmitting data over low-voltage networks |
| 04/13/2000 | DE19947682A1 Method and zero delay structure for compensating for echoes and sub-band echoes avoids delays usually occurring in sub-band sectioning and/or sub-band reconstruction |
| 04/13/2000 | CA2345616A1 Method for equalization of complementary carriers in an am compatible digital audio broadcast system |
| 04/13/2000 | CA2308856A1 Communication system and communication method |
| 04/12/2000 | EP0993141A1 Capacity allocation for ADSL |
| 04/12/2000 | EP0993140A1 Reduction of the transmission delay for urgent data |
| 04/12/2000 | EP0992151A1 Method and device for suppressing echo in a hands free device such as a telephone |
| 04/12/2000 | EP0992125A2 System and method for distributing rf signals |
| 04/12/2000 | EP0992118A1 Transmission of fm video signals over various lines |
| 04/12/2000 | EP0992028A1 Vibrational transducer |
| 04/12/2000 | CN1250297A Equalizing method and apparatus in radio receiver |
| 04/12/2000 | CN1250276A Method for relaxing long-end interference of long-near different distances |
| 04/12/2000 | CN1250254A Scanning pilot technology using for distorted control system generated by reducing circuit |
| 04/12/2000 | CN1250251A Double-side band pilot technology using for distorted control system generated from reducing circuit |
| 04/12/2000 | CN1250247A Frequency hopping and pilot frequency technology using for control sytsem for distortion generated from reducing circuit |
| 04/11/2000 | US6049607 Interference canceling method and apparatus |
| 04/11/2000 | US6049563 Spread spectrum signal multiplexing system employing chirp signals |
| 04/11/2000 | CA2196553C Analysis of audio quality |
| 04/11/2000 | CA2177999C Reducing crosstalk connector |
| 04/11/2000 | CA2008552C Information separation device |
| 04/07/2000 | CA2285137A1 Zero-delay structure for sub-band echo cancellation |
| 04/06/2000 | WO2000019767A2 Line terminator unit for a subscriber line |
| 04/06/2000 | WO2000019630A1 Echo cancelling method and apparatus for digital data communication system |
| 04/06/2000 | WO2000019605A2 Band-limited adaptive feedback canceller for hearing aids |
| 04/06/2000 | WO1999066683A8 Impedance matching interface for transmission loop |
| 04/06/2000 | DE19846151A1 Verfahren und Anordnung zur Datenübertragung über Niederspannungsnetze Method and apparatus for data transmission via low-voltage networks |
| 04/05/2000 | EP0991210A2 Double side band pilot technique for a control system that reduces distortion produced by electrical circuits |
| 04/05/2000 | EP0991202A1 Dsl transmission system with echo-cancellation |
| 04/05/2000 | EP0991183A2 Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits |
| 04/05/2000 | EP0991182A2 Sweep pilot technique for a control system that reduces distortion produced by electrical circuits |
| 04/05/2000 | EP0720799A4 Interference suppression in cdma systems |
| 04/05/2000 | CN2372835Y Double probe detector for testing underground cable path |
| 04/05/2000 | CN2372834Y Low crosstalk circuit board for pairing of lines of twisted line |
| 04/05/2000 | CN1249889A Device and method for processing speech |
| 04/05/2000 | CN1249878A Method for measuring crosstalk in electric telecommunication systems |
| 04/05/2000 | CN1249869A Method and apparatus for using state determination to control functional elements |
| 04/05/2000 | CN1249829A Adaptive dual filter echo cancellation |
| 04/05/2000 | CN1249602A Multi-holder cordless telephone set and its duplex communication method |
| 04/05/2000 | CN1249434A Network system of intelligent electronic single-phase kilowatt-hour meters |
| 03/30/2000 | WO2000018099A1 Interference canceling method and apparatus |
| 03/30/2000 | WO2000018098A1 Method and system for distribution of wireless signals for increased wireless coverage using the power lines |
| 03/30/2000 | WO2000018075A1 Methods and circuits for generating a preemphasis waveform |
| 03/30/2000 | DE19844394A1 Two-conductor bus system for data transmission between two stations with transmission and reception circuits |
| 03/30/2000 | CA2344480A1 Interference canceling method and apparatus |
| 03/29/2000 | EP0989717A2 A power feed for a submarine communications system |
| 03/29/2000 | EP0988744A2 Acoustic echo canceler |
| 03/29/2000 | EP0988741A1 Method and apparatus for detecting a secondary destination of a telephone call based on signal path changes |
| 03/29/2000 | EP0988712A1 Data transmission over a power line communications system |
| 03/29/2000 | EP0988711A1 Cable length estimation circuit using data signal edge rate detection and analog to digital conversion |
| 03/29/2000 | EP0870406A4 Telemetry and control system |
| 03/29/2000 | EP0870366B1 Resolution enhancement of fixed point digital filters |
| 03/29/2000 | EP0870363A4 Impulse noise effect reduction |
| 03/29/2000 | EP0608305B1 A data communication system of the field bus type with a twin lead for power supply to connected units as well as for data transmission between the units |
| 03/29/2000 | CN1249081A Adaptive filter system having mixed fixed point or floating point and block scale floating point operators |
| 03/29/2000 | CN1248826A Method and apparatus for measuring far end interference in order to determine isoelectric level for end interference |
| 03/28/2000 | US6044108 System and method for suppressing far end echo of voice encoded speech |
| 03/28/2000 | US6044068 Silence-improved echo canceller |
| 03/28/2000 | US6043919 Frequency characteristic correction system for optical network |
| 03/28/2000 | US6042427 Communication plug having low complementary crosstalk delay |
| 03/28/2000 | CA2248488A1 Integrated wallbox |
| 03/28/2000 | CA2148962C Coherence optimized active adaptive control system |
| 03/23/2000 | WO2000016526A1 Transmission system with improved signal conditioning means |
| 03/23/2000 | WO2000016497A1 Echo canceler adaptive filter optimization |
| 03/23/2000 | WO2000016496A2 Arrangement and method for forming an overall signal, device and method for forming a current signal and a first communication signal, communication system and method for transmitting a first overall signal and a second overall signal |
| 03/23/2000 | WO2000016114A1 System and method for restricted reuse of intact portions of failed paths |
| 03/23/2000 | WO2000016111A1 Method and apparatus for measuring |
| 03/23/2000 | DE19841864A1 Koppelkondensator mit integriertem Anschlußkabel Coupling capacitor with integrated cable |
| 03/22/2000 | EP0987847A2 Communication network for the distribution of television broadcast signals in a first frequency range and for the transmission of telephone signals in a second frequency range |
| 03/22/2000 | EP0987830A1 Digital communication device |
| 03/22/2000 | EP0987810A1 Coupling capacitor with incorporated connecting cable |
| 03/22/2000 | EP0986876A1 Automated home control using existing electrical lines as a communications medium |
| 03/22/2000 | EP0799531B1 Method and apparatus for applying waveform prediction to subbands of a perceptual coding system |
| 03/22/2000 | EP0746911A4 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms |
| 03/22/2000 | CN2370617Y Tuner for wave barrier |
| 03/22/2000 | CN2370616Y Automatic tracing and monitoring compensator for voltage mutual inducer secondary line voltage drop |
| 03/22/2000 | CN1248374A Method for automatically adapting levels of signal exchanged in communication network |
| 03/21/2000 | US6041290 Method of adaptively adjusting the coefficients of a digital filter in an echo canceller |
| 03/21/2000 | US6041126 Noise cancellation system |
| 03/21/2000 | US6040759 Communication system for providing broadband data services using a high-voltage cable of a power system |
| 03/21/2000 | CA2042028C Method and device for performing an approximate arithmetical division |
| 03/16/2000 | WO2000014936A1 Digital equalising method, and radio communication receiver implementing said method |
| 03/16/2000 | WO2000014921A1 Combined channel coding and space-block coding in a multi-antenna arrangement |
| 03/16/2000 | CA2341589A1 Digital equalising method, and radio communication receiver implementing said method |
| 03/15/2000 | EP0986217A2 Network transceiver for steering network data to selected paths based on determined link speeds |
| 03/15/2000 | EP0986191A2 Filter |
| 03/15/2000 | EP0986190A2 Echo controller with compensation for variable delay networks |
| 03/15/2000 | EP0985933A2 Method and apparatus to measure far end crosstalk for the determination of equal level far end crosstalk |
| 03/15/2000 | CN1247664A Adaptive device and method for echo neutralizer in communication system |
| 03/15/2000 | CN1247652A Double talk and echo path change detection in telephony system |
| 03/15/2000 | CN1247418A Corona-proofing device for wave chocker on 500 KV line |
| 03/14/2000 | US6038266 Mixed mode adaptive analog receive architecture for data communications |
| 03/14/2000 | US6038261 Method and device for setup of clipping noise of a multicarrier modulation |
| 03/14/2000 | US6038253 Data receiver with symbol rate discrimination and statistical analysis functions |
| 03/14/2000 | US6038222 Modem command and data interface |
| 03/14/2000 | US6038046 Branching system with optical add drop multiplexing function |
| 03/14/2000 | US6037780 Device for measuring transmission delay time in a transmission cable |
| 03/14/2000 | US6037678 Coupling communications signals to a power line |
| 03/14/2000 | CA2086122C System for echo cancellation comprising a ghost cancellation reference signal |