| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 09/22/2005 | US20050207587 Parametric array modulation and processing method |
| 09/22/2005 | US20050207565 Method of selecting impedance setting for loop start trunk line |
| 09/22/2005 | US20050207561 Methods and systems for compensating for alien crosstalk between connectors |
| 09/22/2005 | US20050207079 System and apparatus for a multifunctional powerline carrier device with data management and power surge protector |
| 09/22/2005 | US20050206507 Power line communication system and method |
| 09/22/2005 | US20050206468 Structure for electromagnetically shielding a substrate |
| 09/22/2005 | US20050206393 System and method for high voltage testing of twisted insulated conductors |
| 09/21/2005 | EP1578062A1 Automated home control using existing electrical lines as a communications medium |
| 09/21/2005 | EP1578026A2 Double talk detecting method, double talk detecting apparatus, and echo canceler |
| 09/21/2005 | EP1578025A1 Double talk detecting method, double talk detecting apparatus, and echo canceler |
| 09/21/2005 | EP1576794A1 Voice communications apparatus |
| 09/21/2005 | CN1672379A Differential decoder followed by non-linear compensator |
| 09/21/2005 | CN1672341A Communication system and method therefor |
| 09/21/2005 | CN1671161A An echo canceller circuit and method |
| 09/21/2005 | CN1220338C Signalling method and apparatus |
| 09/21/2005 | CN1220337C Method for simulating cross talk loss at far and near ends of twisted-pairs in designing high-speed data communications system |
| 09/21/2005 | CN1220336C Method for simulating return loss of twisted-pairs in designing high-speed data communication system |
| 09/20/2005 | US6947857 Optical sequence time domain reflectometry during data transmission |
| 09/20/2005 | US6947736 Universal broadband home network for scalable IEEE 802.11 based wireless and wireline networking |
| 09/20/2005 | US6947672 High-speed optical data links |
| 09/20/2005 | US6947553 Communication system for controlling training of echo canceller and line switching system |
| 09/20/2005 | US6947552 Echo canceler with echo path change detector |
| 09/20/2005 | US6947551 Apparatus and method of time delay estimation |
| 09/20/2005 | US6947550 Acoustic echo cancellation |
| 09/20/2005 | US6947497 Digital signal receiver and method for receiving digital signal |
| 09/20/2005 | US6947482 System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system |
| 09/20/2005 | US6947480 Networking |
| 09/20/2005 | US6947478 Analogue echo filter |
| 09/20/2005 | US6947409 Bandwidth management of virtual networks on a shared network |
| 09/20/2005 | US6947395 Locating network echos |
| 09/20/2005 | US6946926 Wired transmission path with plural equidistant differential conductors |
| 09/15/2005 | WO2005086316A1 Devices and methods for detecting the presence of a source of power |
| 09/15/2005 | WO2005085965A1 Actuator and method for operating an actuator |
| 09/15/2005 | WO2005057807A3 Method and device for transferring data on an electrical supply line in a motor vehicle |
| 09/15/2005 | WO2005048459A3 Signalling method and apparatus |
| 09/15/2005 | US20050204397 CATV transmission line monitoring system, method, and program |
| 09/15/2005 | US20050204025 Telephony event management system and method in a communications network |
| 09/15/2005 | US20050203711 Method and apparatus for transmission line and waveguide testing |
| 09/15/2005 | US20050201472 4-20 mA interface circuit |
| 09/15/2005 | US20050201452 Signal detector |
| 09/15/2005 | US20050201451 Method and device for determining transmission parameters |
| 09/15/2005 | US20050200459 Power line communication apparatus and method of using the same |
| 09/15/2005 | US20050200287 Signal transmission system and vehicular lamp |
| 09/14/2005 | EP1574032A1 Techniques for improving telephone audio quality |
| 09/14/2005 | EP1573934A1 Digital filter circuit and method for blocking a transmission line reflection signal |
| 09/14/2005 | EP1573342A1 Patchcord length measurement for a lan testers |
| 09/14/2005 | EP1523828A4 Method for separating multiple home networks |
| 09/14/2005 | EP1145515B1 Trellis decoder with correction of pair swaps, for use in gigabit ethernet transceivers |
| 09/14/2005 | CN1669294A Echo canceller with model mismatch compensation |
| 09/14/2005 | CN1667886A Electric cable elongated terminal structure for electronic equipments |
| 09/14/2005 | CN1219391C Echo eliminator and method for echo evaluation |
| 09/13/2005 | US6944681 Probing algorithm for foundation fieldbus protocol |
| 09/13/2005 | US6944290 Echo cancellation through auxiliary-vector filtering |
| 09/13/2005 | US6944289 Delay insertion for echo cancellation, with echo supression, in a communication network |
| 09/13/2005 | US6944288 Double-talk and path change detection using a matrix of correlation coefficients |
| 09/13/2005 | US6944237 Multi-pair transceiver decoder system with low computation slicer |
| 09/13/2005 | US6944219 Low-power programmable digital filter |
| 09/13/2005 | US6944218 Adaptive filter having a small circuit scale with a low power consumption and tap-coefficients updating method of adaptive filter |
| 09/13/2005 | US6944216 Digital subscriber line communicating system |
| 09/13/2005 | US6944213 Adaptive hybrid for a digital subscriber line analog front end |
| 09/13/2005 | US6943940 Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands |
| 09/13/2005 | US6943669 Method for transmitting data from at least one sensor to a control unit |
| 09/13/2005 | US6943668 Apparatus and method for reconfiguring a power line communication system |
| 09/09/2005 | WO2005083963A1 System and method for communication by carrier current in a lighting circuit |
| 09/09/2005 | WO2005083900A1 Methods and systems for compensating for alien crosstalk between connectors |
| 09/09/2005 | WO2005081718A2 Ultra-wideband communication through a power grid |
| 09/09/2005 | CA2556153A1 Methods and systems for compensating for alien crosstalk between connectors |
| 09/08/2005 | US20050195986 Wireless and wired speaker hub for a home theater system |
| 09/08/2005 | US20050195090 Devices and methods for detecting the presence of a source of power |
| 09/08/2005 | US20050195067 Access control system with energy-saving optical token presence sensor system |
| 09/08/2005 | US20050194992 System for transmission line termination by signal cancellation |
| 09/08/2005 | US20050194909 AC adapter integral-type household-power-line coupler |
| 09/08/2005 | DE202005008269U1 Satellite television signal quality level tester has analogue and digital filters with outputs adjusted to providing logarithmic input to LED level display |
| 09/08/2005 | DE102004024356A1 Rail vehicle data coupler uses data line comprising hollow waveguide fed by exciting horn from flexible dielectric guide |
| 09/08/2005 | DE102004008910A1 Verfahren und Kommunikationssystem zur Übertragung von Informationen in einem Kraftfahrzeug A method and communication system for transmitting information in a motor vehicle |
| 09/08/2005 | DE102004008815A1 Signaling device for transmitting signals to/from an electric/electronic unit in/on a motor vehicle seat's headrest interlinks the headrest, a contact device and a linkage device |
| 09/08/2005 | DE102004008427A1 Process to transmit digital and analog data between tool head and mobile tool e.g. lawn mower, floor polisher, soil rotivator, vacuum cleaner etc |
| 09/07/2005 | EP1571816A1 Method of selecting impedance setting for loop start trunk line |
| 09/07/2005 | EP1571794A1 Method for inversely transforming a signal with respect to a given transfer function |
| 09/07/2005 | EP1570628A2 Fault characterization using information indicative of echo |
| 09/07/2005 | EP1570583A1 Echo cancellation device with mobile crosstalk control |
| 09/07/2005 | EP1290841B1 Method and apparatus for transmitting data with reduced coupling noise |
| 09/07/2005 | EP0876667B1 Ground skew protection method and apparatus |
| 09/07/2005 | CN1666434A Method and apparatus for controlling echo cancellation |
| 09/07/2005 | CN1665227A Method for inversely transforming a signal with respect to a given transfer function |
| 09/07/2005 | CN1664458A Air conditioner and power line communication system |
| 09/07/2005 | CN1218506C Method and apparatus for using state determination to control functional elements in digital telephone system |
| 09/07/2005 | CN1218505C Programmable echo eliminating filter |
| 09/07/2005 | CN1218257C Data bus |
| 09/06/2005 | US6940972 Controlling echo cancellation |
| 09/06/2005 | US6940868 Digital serial communications hub |
| 09/06/2005 | US6940830 Method and apparatus for echo cancellation |
| 09/06/2005 | US6940829 Method and processor in a telecommunication system |
| 09/06/2005 | US6940539 Variable cable length compensator for video imaging systems |
| 09/06/2005 | US6940396 Concurrent phase communication in TWACS |
| 09/01/2005 | WO2005081463A1 Method and communication system for the transmission of data in a motor vehicle |
| 09/01/2005 | WO2005079206A2 Optimization of ultra-wideband communication through a wire medium |
| 09/01/2005 | US20050193424 Tuner for use in cable modem and cable modem including the tuner |
| 09/01/2005 | US20050191962 Media player |
| 09/01/2005 | US20050191961 Wraparound canceller, relay system, and wraparound cancelling method |