| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 02/14/2007 | CN1914809A Audio accessory optimization system |
| 02/14/2007 | CN1913515A Data communication method based on orthogonal frequency division multiple access |
| 02/14/2007 | CN1913381A Switch port, cocable media, power communication integral local network and its network combining method |
| 02/13/2007 | US7177643 Wireless network for routing a signal without using a tower |
| 02/13/2007 | US7177591 Frequency converter and radio communications system employing the same |
| 02/13/2007 | US7177351 Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system |
| 02/13/2007 | US7177278 Late frame recovery method |
| 02/13/2007 | US7176786 Method of isolating data in a power line communications network |
| 02/13/2007 | US7176589 Electrical power distribution and communication system for an underwater cable |
| 02/13/2007 | CA2374437C Method and apparatus for delay-line time-domain reflectometry |
| 02/13/2007 | CA2364339C An apparatus, system, and method for detecting and reimpressing electrical charge disturbances on a drill-pipe |
| 02/10/2007 | CA2515560A1 A surface wave power line communications system and method |
| 02/08/2007 | WO2007016186A2 Inline power controller |
| 02/08/2007 | WO2007015788A2 Method and apparatus for automatically correcting receiver oscillator frequency |
| 02/08/2007 | WO2007015370A1 Signal transmitting apparatus and signal transmitting method |
| 02/08/2007 | WO2007014638A1 Method for transmitting data between a pump unit and a control device, and an appropriately designed pump system |
| 02/08/2007 | WO2006062778A3 Apparatus and method for boosting sound in a denta-mandibular sound-transmitting entertainment toothbrush |
| 02/08/2007 | WO2005025076A3 Tactile transducers and method of operating |
| 02/08/2007 | US20070033296 Method and system for virtual pwerline local area networks |
| 02/08/2007 | US20070030798 Doppler frequency calculating apparatus and method and OFDM demodulating apparatus |
| 02/08/2007 | US20070030561 Relay amplifier |
| 02/08/2007 | US20070030336 Communication system |
| 02/08/2007 | US20070030092 Programmable passive equalizer |
| 02/08/2007 | US20070030015 Modeling and calibrating a three-port time-domain reflectometry system |
| 02/07/2007 | EP1750425A2 Improved system and method for implementation of an echo canceller |
| 02/07/2007 | EP1750388A1 Information leakage preventive device and information leakage preventive method |
| 02/07/2007 | EP1750377A2 Spread spectrum meter reading system utilizing low-speed/high power frequency hopping |
| 02/07/2007 | EP1749354A2 Undersea optical transmission system employing low power consumption optical amplifiers |
| 02/07/2007 | EP1284088B1 Termination device for a telephone line |
| 02/07/2007 | CN1910635A Automatic audio systems for fire detection and diagnosis, and crew and person locating during fires |
| 02/07/2007 | CN1909395A 信号传输方法 Signal transmission method |
| 02/07/2007 | CN1909394A System and method for inter-communicating problem of diagnosing digital user wire transceiver |
| 02/07/2007 | CN1909393A Test system and method for field measurement of alien cross-talk |
| 02/07/2007 | CN1909392A Method and system for signal transmitting by using second high-speed digital user wire |
| 02/07/2007 | CN1299439C Communication optimisation method for multi-user OFDM digital transmission system using electrical network |
| 02/07/2007 | CN1299254C Approaching end voice detection realizing method for echo inhibitor |
| 02/06/2007 | US7173984 Digital subscriber line communicating system |
| 02/06/2007 | US7173965 Equalizing a signal for transmission |
| 02/06/2007 | US7173964 Method for detecting data transmission rate of USB controller by using USB device |
| 02/06/2007 | US7173962 High-speed modem with uplink remote-echo canceller |
| 02/06/2007 | US7173959 Noise elimination method and apparatus |
| 02/06/2007 | US7173935 Last leg utility grid high-speed data communication network having virtual local area network functionality |
| 02/06/2007 | US7173899 Training and synchronization sequences for wireless systems with multiple transmit and receive antennas used in CDMA or TDMA systems |
| 02/06/2007 | US7173345 Multi-function integrated automation cable connector system and method |
| 02/06/2007 | CA2445180C Method and apparatus for minimizing far-end speech effects in hands-free telephony systems using acoustic beamforming |
| 02/06/2007 | CA2430030C Distributed echo cancelling |
| 02/06/2007 | CA2331818C Magnetic field based power transmission line communication method and system |
| 02/01/2007 | WO2007013361A1 Signal processing device and signal processing method |
| 02/01/2007 | WO2007013052A1 Electromagnetic interface module for balanced data communication |
| 02/01/2007 | WO2006075767A3 Various data transmission systems and data transmission methods for transporting vehicles |
| 02/01/2007 | US20070028280 Distributed Gain Subscriber Tap with Power Management |
| 02/01/2007 | US20070025588 Flat panel loudspeaker arrangement |
| 02/01/2007 | US20070025548 Communication channel capacity estimation |
| 02/01/2007 | US20070025480 Voice and data exchange over a packet based network with AGC |
| 02/01/2007 | US20070025452 Inline power controller |
| 02/01/2007 | US20070025282 Path change detector for echo cancellation |
| 02/01/2007 | US20070025281 Network dependent signal processing |
| 02/01/2007 | DE19601405B4 Verfahren und Vorrichtung zur Systemidentifikation und Echokompensation in Übertragungssystemen Method and apparatus for system identification and echo cancellation in transmission systems |
| 01/31/2007 | EP1748633A1 Network dependent signal processing |
| 01/31/2007 | EP1748606A1 Method for automatically providing quality of service |
| 01/31/2007 | EP1748597A1 Method for managing hidden stations in a centrally controlled network |
| 01/31/2007 | EP1748574A1 Power line communication system |
| 01/31/2007 | EP1748573A1 Method for data transmission between a pump and a controlling unit and corresponding pump. |
| 01/31/2007 | EP1747628A2 Configurable dsl transceiver |
| 01/31/2007 | EP1747617A2 System and method for generating a jittered test signal |
| 01/31/2007 | EP1419575A4 Concurrent process for blind deconvolution of digital signals |
| 01/31/2007 | CN1906879A Adaptive FEC codeword management |
| 01/31/2007 | CN1297995C Construction of medium voltage power line data couplers |
| 01/30/2007 | US7171506 Plural interfaces in home network with first component having a first host bus width and second component having second bus width |
| 01/30/2007 | US7171436 Partitioned block frequency domain adaptive filter |
| 01/30/2007 | US7171329 System and method for device co-location discrimination |
| 01/30/2007 | US7171322 Algorithm for estimation of multiple faults on a transmission line or waveguide |
| 01/30/2007 | US7171246 Noise suppression |
| 01/30/2007 | US7171157 System and method for monitoring and testing network elements |
| 01/30/2007 | US7171005 P.A. system installation method |
| 01/30/2007 | US7171004 Room acoustics echo meter for voice terminals |
| 01/30/2007 | US7171003 Robust and reliable acoustic echo and noise cancellation system for cabin communication |
| 01/30/2007 | US7170958 Method and apparatus for adaptive equalization of high speed data communications |
| 01/30/2007 | US7170930 Receiver |
| 01/30/2007 | US7170929 Digital signal transmission system and method of displaying transmission condition in digital signal transmission system |
| 01/30/2007 | US7170928 Determination of data rate, based on power spectral density estimates |
| 01/30/2007 | US7170927 Methods and apparatus for an ADSL transceiver |
| 01/30/2007 | US7170405 Method and apparatus for interfacing a power line carrier and an appliance |
| 01/30/2007 | US7170397 Method and apparatus for waking a person |
| 01/30/2007 | US7170395 Method and apparatus for attaching power line communications to customer premises |
| 01/30/2007 | US7170394 Remote current sensing and communication over single pair of power feed wires |
| 01/30/2007 | US7170365 Ultrafast sampler with non-parallel shockline |
| 01/30/2007 | US7170363 Guides for r.f. magnetic flux |
| 01/30/2007 | US7170196 Power feed |
| 01/25/2007 | WO2007010889A1 Adaptive digital filter, fm receiver, signal processing method, and program |
| 01/25/2007 | WO2007010849A1 Adaptive digital filter, signal processing method, fm receiver, and program |
| 01/25/2007 | WO2007010727A1 Adaptive digital filter, signal processing method, fm receiver, and program |
| 01/25/2007 | WO2007010678A1 Adaptive digital filter, fm receiver, signal processing method, and program |
| 01/25/2007 | WO2007010602A1 Induction coupler of power line carrier communication system |
| 01/25/2007 | WO2007010083A1 Apparatus for arranging data transfer |
| 01/25/2007 | WO2006130011A3 Digital real time transmission line simulator |
| 01/25/2007 | WO2005050347A3 Method and system for virtual powerline local area networks |
| 01/25/2007 | US20070019822 Audio apparatus and control method thereof |
| 01/25/2007 | US20070019821 Illuminating headphones |
| 01/25/2007 | US20070019820 Communication device with single output audio transducer |