| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 10/13/2004 | CN1170715C Method for transmitting data via a traction control which carries an electrical driving current |
| 10/12/2004 | US6804349 Hybrid transceiver circuit |
| 10/12/2004 | US6804348 Circuit for echo-cancellation in an asymmetric, two-way time-and frequency-shared communication medium |
| 10/12/2004 | US6804313 Approach for processing data received from a communications channel |
| 10/12/2004 | US6804304 Reduction of aggregate EMI emissions of multiple transmitters |
| 10/12/2004 | US6804267 Transceiver training for DSL modems under TCM-ISDN interference |
| 10/12/2004 | US6804204 Apparatus for a digital echo canceller and method therefor |
| 10/07/2004 | WO2004086814A1 Echo prevention circuit |
| 10/07/2004 | WO2004086646A1 Method and device for data communication |
| 10/07/2004 | US20040196983 Reverberation apparatus controllable by positional information of sound source |
| 10/07/2004 | US20040196938 Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment |
| 10/07/2004 | US20040196912 Process for configuring an xDSL modem and xDSL modem having such a process |
| 10/07/2004 | US20040196892 Parallel interference cancellation receiver for multiuser detection CDMA signals |
| 10/07/2004 | US20040196144 Method and apparatus for attaching power line communications to customer premises |
| 10/07/2004 | US20040196076 Apparatus and method for transmitting differential signal |
| 10/06/2004 | EP1465364A1 Pre-equalization in a Multi-carrier CDMA system in a time-varying channel |
| 10/06/2004 | EP1465152A2 Reverberation apparatus controllable by positional information of sound source |
| 10/06/2004 | EP1465130A1 Transmitter, receiver, method and surveillance system |
| 10/06/2004 | EP1464158A1 Verification of proper coupling of power line communication units to power circuits |
| 10/06/2004 | EP1464147A2 Timing control in data receivers and transmitters |
| 10/06/2004 | EP1464136A2 Time synchronization for data over a powerline modem network |
| 10/06/2004 | EP1464124A1 Controlling of data transmission voltage level by cutting principle in low voltage net |
| 10/06/2004 | EP1464123A1 Systems and methods for providing echo control |
| 10/06/2004 | EP1195033B1 Equalization with dc-offset compensation |
| 10/06/2004 | CN1535525A Equalising and decoding device for frequency selective channels |
| 10/06/2004 | CN1534884A Method and device for providing power, guiding analogue measuring and communication signal |
| 10/06/2004 | CN1170371C Electric power line carrier communication data transmission method |
| 10/05/2004 | US6801865 Meter monitoring and tamper protection system and method |
| 10/05/2004 | US6801770 Signalling method and telecommunication system |
| 10/05/2004 | US6801601 Single ended line probing in DSL system using transformerless hybrid |
| 10/05/2004 | US6801504 Node device of ATM communication network and method of failure alarm notification |
| 09/30/2004 | WO2004084488A1 Method and apparatus for reliable multicast |
| 09/30/2004 | WO2004084430A1 Power line carrier-use modem coupling circuit |
| 09/30/2004 | WO2004084006A2 Network bandwidth management |
| 09/30/2004 | WO2004036879A3 Filter for segmenting power lines for communications |
| 09/30/2004 | US20040193669 Low-power, high-frequency finite impulse finite response (FIR) filter and method of use |
| 09/30/2004 | US20040192227 Light fixture wireless access points |
| 09/30/2004 | US20040190551 Communication system and communication method |
| 09/30/2004 | US20040190464 Method and apparatus for supplying power, and channeling analog measurement and communication signals over single pair of wires |
| 09/30/2004 | US20040190172 Device and signal processing circuit for magnetic recording, magnetic recording apparatus |
| 09/30/2004 | US20040189090 Power line communication device for vehicle |
| 09/29/2004 | EP1391095B1 Method for estimating the transfer function of a multicarrier signal transmission channel and corresponding receiver |
| 09/29/2004 | EP1293049B1 Circuit arrangement for the suppression of analogue echoes |
| 09/29/2004 | EP1151552B1 Circuit for capacitively coupling data communication equipment to a power line and a coupling unit with a coupling circuit |
| 09/29/2004 | CN2645349Y 讯号传输线 Signal transmission line |
| 09/29/2004 | CN1533673A DVB-ASI signal inverting adapter and system |
| 09/29/2004 | CN1533665A Echo canceller having nonlinear echo suppressor for harmonics calculations |
| 09/29/2004 | CN1533643A Channel access method for power line carrier based media access control protocol |
| 09/29/2004 | CN1533519A Network control system for home appliances |
| 09/29/2004 | CN1533137A Access audio frequency output through capturing service |
| 09/29/2004 | CN1533063A Line selecting method and line property comparing, communication and radio communication device using it |
| 09/29/2004 | CN1533046A New low voltage power line carrier signal pickup method |
| 09/29/2004 | CN1169392C Digital communication receiver containing channel tracker and method for operation thereof |
| 09/29/2004 | CN1169383C Space and time equalizer and equalization method |
| 09/29/2004 | CN1169318C Method and device for compensation of dispersion |
| 09/29/2004 | CN1169312C Echo canceler for non-linear circuit |
| 09/29/2004 | CN1169306C Signal level adjustment arrangement |
| 09/29/2004 | CN1169264C Contact pair arrangement for an electric plug-and-socket connection in order to compensate near-end crosstalk |
| 09/28/2004 | US6799062 Full-duplex hands-free transparency circuit and method therefor |
| 09/28/2004 | US6799021 Method and arrangement for forming an address |
| 09/28/2004 | US6798840 Fast switchover output protection |
| 09/28/2004 | US6798831 Testing system |
| 09/28/2004 | US6798830 Methods and apparatus for generating a test signal for xDSL devices |
| 09/28/2004 | US6798828 Full duplex gigabit-rate transceiver front-end and method operation |
| 09/28/2004 | US6798827 System and method for correcting offsets in an analog receiver front end |
| 09/28/2004 | US6798183 Method of and apparatus for simultaneously providing tone and intermittent link onto a cable to assist identifying the cable |
| 09/23/2004 | WO2004082321A2 Multi-channel digital feedback reducer system |
| 09/23/2004 | WO2004082168A1 Method and device for transmission without crosstalk |
| 09/23/2004 | WO2004038950A3 Power line signalling system |
| 09/23/2004 | US20040186911 Access to audio output via capture service |
| 09/23/2004 | US20040184620 Tone generator and probe |
| 09/23/2004 | US20040184619 Sound control system, sound control device, electronic device, and method for controlling sound |
| 09/23/2004 | US20040184519 Echo cancellation in communication systems with asymmetric data rates |
| 09/23/2004 | US20040184518 Startup protocol for high throughput communications systems |
| 09/23/2004 | US20040184427 Method and apparatus for selecting a responder to enable reliable multicast |
| 09/23/2004 | US20040184406 Network bandwidth management |
| 09/23/2004 | US20040183640 Device for the inductive transmission of electrical power |
| 09/23/2004 | US20040183619 Capacitive couplers and methods for communicating data over an electrical power delivery system |
| 09/23/2004 | DE10234725B4 Transceiver mit integrierter Hybrid-Schaltung Transceiver with integrated hybrid circuit |
| 09/23/2004 | CA2768187A1 Private telephone network connected to more than one public network |
| 09/22/2004 | EP1460882A2 Access to audio output via capture service |
| 09/22/2004 | EP1460775A1 Lighting control with power line modem |
| 09/22/2004 | EP1459510A1 Echo canceller having spectral echo tail estimator |
| 09/22/2004 | EP1459458A1 Coupling circuit arrangement for data communication over power lines |
| 09/22/2004 | EP0868787B1 Method and device for echo cancellation using power estimation in a residual signal |
| 09/22/2004 | EP0855110B1 An adaptive echo cancellation method |
| 09/22/2004 | CN2643551Y Dynamic monitoring system for downhole staff of coal mine |
| 09/22/2004 | CN1531836A Supplemental audio contents system with wireless communication for cinema and related methods |
| 09/22/2004 | CN1531219A Converting and adaptering method and system structure for power system communication agreement stipulation |
| 09/22/2004 | CN1530899A 总线接口技术 Bus Interface Technology |
| 09/21/2004 | US6795548 Method and system for data communication |
| 09/21/2004 | US6795513 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence |
| 09/21/2004 | US6795405 Digital modem echo canceler enhancement |
| 09/21/2004 | US6794900 Method and circuit for pre-emphasis equalization in high speed data communications |
| 09/18/2004 | CA2461293A1 Lighting installation with regulation of light emission and devices for its implementation |
| 09/16/2004 | WO2004080075A1 Method and modem for data communication in cable television networks |
| 09/16/2004 | WO2004079942A1 Power supply line communication modem and power supply line communication system |
| 09/16/2004 | WO2004079941A2 Digital method and device for reducing crosstalk |
| 09/16/2004 | WO2004079470A2 Unit for controlling the operation of devices arranged in series in a supply line |
| 09/16/2004 | US20040181809 Television via telephone using spread-spectrum modulation |