| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 10/10/2001 | EP1141847A1 Echo reduction on bit-serial, multi-drop bus |
| 10/10/2001 | CN1317194A Digital adaptive filter and acoustic echo canceller using the same |
| 10/10/2001 | CN1317173A Scaled impedance replica for echo attenuation in digital transmission systems |
| 10/10/2001 | CN1316861A Space and time equalizer and equalization method |
| 10/09/2001 | US6301684 Data decoding apparatus and method for decoding convolution-coded input data |
| 10/09/2001 | US6301674 Power control method, power control system and computer program product for supplying power to a plurality of electric apparatuses connected to a power line |
| 10/09/2001 | US6301290 Adaptive reference pattern for spread spectrum detection |
| 10/09/2001 | US6300881 Data transfer system and method for communicating utility consumption data over power line carriers |
| 10/09/2001 | CA2213038C Technique for improving the blind convergence of a two-filter adaptive equalizer |
| 10/04/2001 | WO2001074089A1 Multimode apparatus with communication and control features |
| 10/04/2001 | WO2001073456A1 Return path amplifier device for hfc network |
| 10/04/2001 | WO2001050628A8 Transposing a bi-directional s0 data stream for transmission via a low-voltage network |
| 10/04/2001 | WO2001022601A3 Echo cancelling process with improved phase control |
| 10/04/2001 | US20010027059 Electronic Device |
| 10/04/2001 | US20010026583 Communication device |
| 10/04/2001 | US20010026197 Spatial and temporal equalizer and equalization method |
| 10/04/2001 | EP1139622A2 Feedback equaliser, particularly for use in optical transmission |
| 10/04/2001 | EP1139621A2 Digital receiver with automatic equalisation |
| 10/04/2001 | EP0835558B1 A data access arrangement having improved transmit-receive separation |
| 10/04/2001 | EP0687398B1 Receive side pulse width controlled adaptive equalizer |
| 10/04/2001 | EP0624287B1 Modem including an equalizer for amplitude jitter |
| 10/04/2001 | DE10026931A1 Power line communications system for high bit rate data communications passes noisy channel parameters over basic channel, adapts noisy communications to channel parameters |
| 10/04/2001 | DE10015115A1 Verfahren zur Rückgewinnung von digitalen optischen Signalen sowie rückgekoppelter Entscheider A process for the recovery of digital optical signals and Feedback decision circuit |
| 10/04/2001 | DE10014183A1 Electric motor has circuit with associated address designed so information modulated onto power supply lines can be demodulated and information can be modulated onto power supply lines |
| 10/04/2001 | CA2400556A1 Multimode apparatus with communication and control features |
| 10/03/2001 | CN2452223Y Internal feeding channel data transmission apparatus for wire television network |
| 10/03/2001 | CN1315801A Method and apparatus for testing calling overlapping by self-adaptive decision threshold |
| 10/02/2001 | US6298456 Runtime detection of network loops |
| 10/02/2001 | US6298362 Apparatus and method for equalizer filter units responsive to 5-level inputs signals |
| 10/02/2001 | US6298118 System and method for processing of communication line test signals, such as enhancement processing |
| 10/02/2001 | US6298037 Network data filtering |
| 10/02/2001 | US6297729 Method and apparatus for securing communications along ac power lines |
| 10/02/2001 | US6297647 Crosstalk test unit and method of calibration |
| 10/02/2001 | US6297445 Communication line |
| 09/30/2001 | CA2342521A1 Multiple stub tuner for disguised vehicle antenna |
| 09/27/2001 | WO2001031890A3 Method and apparatus for delay-line time-domain reflectometry |
| 09/27/2001 | US20010025357 System and method for trellis decoding in a multi-pair transceiver system |
| 09/27/2001 | US20010024499 Adaptive filter and echo canceller using the same |
| 09/27/2001 | US20010024441 Multiplex bus interface system and method for transmitting and receiving power and data |
| 09/27/2001 | DE10012862A1 Occupant restraint equipment control system for motor vehicle e.g. automobile |
| 09/27/2001 | DE10011127A1 Electronic interface network coupling actuator and/or sensor to energy and data transmission system has data separation provided by choke coil with parallel voltage follower |
| 09/26/2001 | EP1137212A1 Communication method and communication device |
| 09/26/2001 | EP1137194A2 Data transmission over power line network |
| 09/26/2001 | EP1135916A1 Fault conditions affecting high speed data services |
| 09/26/2001 | EP1135908A1 Adaptive channel characterization using decoded symbols |
| 09/26/2001 | EP1135854A1 Low pass for an adsl diplexer |
| 09/26/2001 | EP1135758A1 Asynchronous power line transmission apparatus |
| 09/26/2001 | EP0916194B1 Power line communications |
| 09/26/2001 | EP0659312B1 Decision feedback equalizer apparatus and receiver |
| 09/26/2001 | EP0632947B1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 09/26/2001 | CN1071975C Power coupler for coupling power from a transmission line to a node thereon |
| 09/25/2001 | US6295356 Power feed for network devices |
| 09/25/2001 | US6295343 Method and apparatus for combining voice line card and xDSL line card functions |
| 09/25/2001 | US6295326 Kalman filter based equalization for digital multicarrier communications systems |
| 09/25/2001 | US6295317 Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal |
| 09/25/2001 | CA2231785C Dynamically controlled routing of calls in intelligent networks |
| 09/25/2001 | CA2202910C Echo cancellation using cross-correlation of buffered receive and transmit sample segments to determine cancelling filter coefficients |
| 09/20/2001 | WO2001069812A1 Powerline communication system, powerline communication transmission network and powerline communication device |
| 09/20/2001 | WO2001069811A1 Non-linear echo cancellation for wireline modems and the like |
| 09/20/2001 | WO2001069810A2 A method and system for stereo echo cancellation for voip communication systems |
| 09/20/2001 | DE10013023A1 Detector and transfer device for state parameters of machines, converts structure-borne sound into electrical signal transmitted using radio-frequency modulator through main voltage line |
| 09/20/2001 | DE10011303A1 Intercom system for apartments, has interface that connects with three different signal transmission devices which transmit signal between door and apartment stations |
| 09/19/2001 | EP1134910A2 Zero crossing data transmission for power line system |
| 09/19/2001 | EP1134909A1 Single-cable transmission device for signals and power supply of a surveillance system |
| 09/19/2001 | EP1133865A1 Method and system for distribution of wireless signals for increased wireless coverage using the power lines |
| 09/19/2001 | CN1314031A Asynchronous power line transmission device |
| 09/18/2001 | US6292541 Line shunt and ground fault apparatus method |
| 09/18/2001 | US6292540 Battery injection and loop supervision for DSL environment |
| 09/18/2001 | US6292539 Method and apparatus for digital subscriber loop qualification |
| 09/18/2001 | US6292511 Method for equalization of complementary carriers in an AM compatible digital audio broadcast system |
| 09/18/2001 | US6292510 Automatic equalization method and automatic equalizer |
| 09/18/2001 | US6292014 Output buffer circuit for transmitting digital signals over a transmission line with preemphase |
| 09/18/2001 | US6291983 Selecting and monitoring signal lines with spurious transients in broadband network |
| 09/18/2001 | US6290399 Optical submarine branching unit |
| 09/18/2001 | US6290141 Communication module and initialization method for multi-air conditioner system |
| 09/13/2001 | WO2001067729A1 Technique for estimation of a subscriber line insertion loss |
| 09/13/2001 | WO2001067630A1 Coupling of a head station to a low-voltage power supply network |
| 09/13/2001 | WO2001067629A1 Two-ended wireline pair identification system |
| 09/13/2001 | WO2001067628A2 Methods for transmitting a waveform having a controllable attenuation and propagation velocity |
| 09/13/2001 | WO2001067550A2 Guides for rf magnetic flux |
| 09/13/2001 | WO2001067466A1 In-well monitoring and flow control system |
| 09/13/2001 | WO1997011394A3 Electrical power distribution and communication system for an underwater cable |
| 09/13/2001 | US20010022002 CATV trunk amplifier, upward signal amplifier, and bi-directional CATV system |
| 09/13/2001 | US20010021987 Method and apparatus for performance monitoring of data transparent communication links |
| 09/13/2001 | US20010021940 Method of updating reflection coefficients of lattice filter and apparatus for updating such reflection coefficients |
| 09/13/2001 | US20010021250 Method and device for echo cancelling |
| 09/13/2001 | US20010021219 xDSL transceiver |
| 09/13/2001 | US20010020867 Automatic gain controller and automatic gain control method, and radio communications apparatus equipped with automatic gain control function |
| 09/13/2001 | CA2402166A1 Methods for transmitting a waveform having a controllable attenuation and propagation velocity |
| 09/12/2001 | EP1133092A1 Communication method and communication device |
| 09/12/2001 | EP1133069A1 Communication terminal and radio communication method |
| 09/12/2001 | EP1131901A1 Network connection |
| 09/12/2001 | EP1131900A1 Improvements in, or relating to, vdsl transmission systems |
| 09/12/2001 | EP1131889A1 Droop-free quasi-continuous reconstruction filter interface |
| 09/12/2001 | EP1131644A2 Dynamic register with low clock rate testing capability |
| 09/12/2001 | CN2447994Y Subscriber terminal box |
| 09/12/2001 | CN1312983A Conversion and distribution of incoming wireless telephone signals using power line |
| 09/12/2001 | CN1312966A System for transmitting message via low-voltage power supply network and adapted thereof |
| 09/12/2001 | CN1312621A Integral power distribution power line carrier equipment |
| 09/11/2001 | US6289047 Dynamic regulation of power consumption of a high-speed communication system |