| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 02/06/2003 | US20030026294 Subscribers-switching device and method of asymmetrical digital subscriber lines |
| 02/06/2003 | US20030026216 Method of implementing a repeater, and a transceiver unit |
| 02/06/2003 | US20030025593 Geometric harmonic modulation signaling and detection |
| 02/05/2003 | EP1282240A1 Feed line switching circuit and branching unit |
| 02/05/2003 | EP0840975B1 Assessment of signal quality |
| 02/05/2003 | EP0684706B1 Replica producing adaptive demodulating method and demodulator using the same |
| 02/05/2003 | CN2534741Y Photo sound output equipment with incoming call display and volume adjustment |
| 02/05/2003 | CN1395780A Apparatus and method for using adaptive algorithms to exploit sparsity in target weight vectors in adaptive channel equalizer |
| 02/05/2003 | CN1395779A Adaptive precding |
| 02/04/2003 | US6516442 Channel interface and protocols for cache coherency in a scalable symmetric multiprocessor system |
| 02/04/2003 | US6516063 Echo canceller having improved non-linear processor |
| 02/04/2003 | US6516062 Echo canceling method and apparatus in a communication device |
| 02/04/2003 | US6516050 Double-talk detecting apparatus, echo canceller using the double-talk detecting apparatus and echo suppressor using the double-talk detecting apparatus |
| 02/04/2003 | US6516028 Automatic delay equalizer and automatic delay equalization method as well as automatic delay and amplitude equalizer and automatic delay and amplitude equalization method |
| 02/04/2003 | US6516025 High-speed upstream modem communication |
| 02/04/2003 | US6515485 Method and system for power line impedance detection and automatic impedance matching |
| 01/30/2003 | WO2003009501A1 Exciter system and method for communications within an enclosed space |
| 01/30/2003 | WO2003009490A2 Device for improving the transmission properties of a bundle of electrical data lines and a system for transmitting data |
| 01/30/2003 | WO2003009083A2 Dual purpose power line modem |
| 01/30/2003 | WO2002051089A3 Multicarrier transmission on an electrical power supply line |
| 01/30/2003 | WO2002013405A3 Systems and methods for characterizing transmission lines in a multi-carrier dsl environment |
| 01/30/2003 | US20030021389 Impulse response setting method for the 2-channel echo canceling filter, a two-channel echo canceller, and a two-way 2-channel voice transmission device |
| 01/30/2003 | US20030021339 Method and apparatus for echo cancellation in digital communications using an echo cancellation reference signal |
| 01/30/2003 | US20030021208 Digital data reproduction apparatus |
| 01/30/2003 | US20030020518 Output driver for high speed Ethernet transceiver |
| 01/30/2003 | US20030020484 Apparatus for the high voltage testing of insulated conductors and oscillator circuit for use with same |
| 01/30/2003 | CA2452864A1 Device for improving the transmission properties of a bundle of electrical data lines and a system for transmitting data |
| 01/29/2003 | EP1198890B1 Method for generating reliability information for the decoding channel of a radio receiver and corresponding radio receiver |
| 01/29/2003 | CN1394421A Method for receiving signal and receiver |
| 01/29/2003 | CN1394387A Power line noise filter |
| 01/29/2003 | CN1394085A Reset controller and its implementation method |
| 01/29/2003 | CN1100406C Data transferring method and system with power line |
| 01/29/2003 | CN1100405C Connecting system for digital users |
| 01/28/2003 | US6512378 Cable testing systems |
| 01/28/2003 | US6512307 Motor vehicle data transmission system and data transmission method |
| 01/23/2003 | WO2003007500A1 Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus, and transfer function calculation apparatus |
| 01/23/2003 | WO2002037227A3 Asymmetrical communication in prepayment metering |
| 01/23/2003 | US20030018840 Power bus information transmission system and method of data transmission |
| 01/23/2003 | US20030018735 Communication method and communication system |
| 01/23/2003 | US20030018422 Vehicular communication system for communicating information among electronic devices installed in vehicle |
| 01/23/2003 | US20030016815 Echo canceller |
| 01/23/2003 | US20030016770 Channel equalization system and method |
| 01/23/2003 | US20030016740 Method of estimating a signal-to-interferenceratio (SINR) |
| 01/23/2003 | US20030016631 Hotel computer networking system |
| 01/23/2003 | US20030016606 Optical disc playback apparatus |
| 01/23/2003 | US20030016582 Dynamic register with low clock rate testing capability |
| 01/23/2003 | US20030016123 Powerline data communication |
| 01/23/2003 | US20030016050 Signal transmitting device suited to fast signal transmission |
| 01/23/2003 | US20030015921 Feed line switching cirucuit and branching unit |
| 01/22/2003 | EP1277352A1 Multimode apparatus with communication and control features |
| 01/22/2003 | EP1277311A2 Integrated circuit card for computer communication |
| 01/22/2003 | EP1277302A1 Diversity reception employing periodic testing |
| 01/22/2003 | EP1277290A1 Method and device for conditioning electric installations in buildings for the rapid transmission of data |
| 01/22/2003 | CN1393065A Receiver and adaptive equalizing method |
| 01/22/2003 | CN1392687A Noise silencing method and device |
| 01/22/2003 | CN1392678A Method and device for equalizing transmission line property periodic fluctuation |
| 01/22/2003 | CN1392677A Echo killer and leanring method used thereof |
| 01/22/2003 | CN1392670A Peak suppressing method and data transmission device |
| 01/22/2003 | CN1099816C Method for managing status and dual information of clock distributor |
| 01/21/2003 | US6510225 Ultrasonically-calibrated fast-start echo canceller for cellular and pcs telephone car kits |
| 01/21/2003 | US6510224 Enhancement of near-end voice signals in an echo suppression system |
| 01/21/2003 | US6509984 Crosstalk reduction in a bidirectional optical link |
| 01/21/2003 | US6509831 Coupler for digital communication on electric power-lines |
| 01/21/2003 | CA2279076C Signal distribution network |
| 01/16/2003 | WO2003005722A1 Method and system for a low cost wireless telephone link for a set top box |
| 01/16/2003 | WO2003005599A1 Power line communication apparatus using spread spectrum and automatic meter reading system comprising with power line communication apparatus |
| 01/16/2003 | WO2003005598A1 Single ended line probing in dsl system using transformerless hybrid |
| 01/16/2003 | WO2003005597A1 Wireless audio/mechanical vibration transducer and audio/visual transducer |
| 01/16/2003 | WO2003005380A2 Device for the inductive transmission of electrical power |
| 01/16/2003 | WO2003005159A2 System and method for a packet preamble in a network communication system |
| 01/16/2003 | US20030012364 Adaptive hybrid for a digital subscriber line analog front end |
| 01/16/2003 | US20030012291 Method and arrangement for compensating signal echoes during duplex data transmission with discrete multitone modulation |
| 01/16/2003 | US20030012288 Architecture for a digital subscriber line analog front end |
| 01/16/2003 | US20030012274 Blind equalization method for a high definition television signal |
| 01/16/2003 | US20030011441 Power-line coupler having a circuit breaker form or a panelboard empolying the same |
| 01/16/2003 | DE20118226U1 Electrical power network for a building uses network to transmit computer data |
| 01/15/2003 | EP1276250A2 Apparatus for controlling a plurality of shadowing devices |
| 01/15/2003 | EP1276249A1 Apparatus for improving the transmission characteristics of a bundle of electrical data lines and data transmission system |
| 01/15/2003 | EP1275188A1 Method and device for monitoring enablement of an electrical apparatus connected to a power grid |
| 01/15/2003 | CN2531579Y Wire buncher with electrostatic-proof wrist interface |
| 01/15/2003 | CN2531578Y Communication rack with multi-strand shielded cables |
| 01/15/2003 | CN1391747A Local area network of serial intelligent cells |
| 01/15/2003 | CN1391731A Device and method for echo compensation in two-wire full duplex channel transmission method |
| 01/14/2003 | US6507653 Desired voice detection in echo suppression |
| 01/14/2003 | US6507652 Echo canceller employing dual-H architecture having improved non-linear echo path detection |
| 01/14/2003 | US6507651 Hybrid amplifier |
| 01/14/2003 | US6507622 Communication systems, sender and receiver |
| 01/14/2003 | US6507620 Noise elimination method and transmission circuit |
| 01/14/2003 | US6507602 Smoothing receiver channel estimates using spectral estimation |
| 01/14/2003 | US6507573 Data transfer method and system in low voltage networks |
| 01/14/2003 | US6507199 Method for measuring the operating properties of a subscriber line module for high-bit-rate data transmission |
| 01/14/2003 | CA2259256C System and method for adaptive interference cancelling |
| 01/09/2003 | WO2003003788A2 Supplemental audio content system with wireless communication for a cinema and related methods |
| 01/09/2003 | WO2003003631A1 Method, device and system used for transmitting data |
| 01/09/2003 | WO2003003609A1 Installation for a radiocommunication network |
| 01/09/2003 | WO2003003608A1 Method and devices for controlling loads connected to a power line |
| 01/09/2003 | WO2003003607A1 Output driver for high speed ethernet transceiver |
| 01/09/2003 | WO2003003536A1 Electric circuit providing selectable short circuit for instrumentation applications |
| 01/09/2003 | WO2002037701A3 Utilizing powerline networking as a general purpose transport for a variety of signals |
| 01/09/2003 | WO2001080398A8 Method and device for monitoring enablement of an electrical apparatus connected to a power grid |