Patents for H04B 3 - Line transmission systems (31,523) |
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03/29/2007 | WO2007035140A1 Method and test signal for measuring speech intelligibility |
03/29/2007 | WO2007034854A1 Communication apparatus for allowing communication systems to be coexistent, and coexistence method |
03/29/2007 | WO2007033579A1 An adaptive power adjustment method and means based on reducing crosstalk among dsl lines |
03/29/2007 | US20070071251 Audio switch |
03/29/2007 | US20070071230 Distributed echo cancelling |
03/29/2007 | US20070070945 Method and apparatus for channel estimation |
03/29/2007 | US20070070944 Pilot structure for multicarrier transmissions |
03/29/2007 | US20070070928 Auxiliary FL MIMO pilot transmission in 1XEV-DO |
03/29/2007 | US20070070925 Scalable system to adaptively transmit and receive including front-end and adaptive antenna signal processors |
03/29/2007 | US20070070924 Method, system and device for reducing co-channel interference |
03/29/2007 | DE20122683U1 Vorrichtung zum Ermöglichen einer Kommunikation eines Datensignals über ein Energieübertragungskabel An apparatus for enabling communication of a data signal via a power transmission cable |
03/29/2007 | DE102005041052B3 Verfahren zur Stabilitätskontrolle einer selbstschwingenden Treiberschaltung und selbstschwingende Treiberschaltung Method for Stability control a self-oscillating driver circuit and self-oscillating driver circuit |
03/28/2007 | EP1768270A1 Data transmission over power supply line |
03/28/2007 | EP1438833B1 Device and method for multichannel acoustic echo cancellation with a variable number of channels |
03/28/2007 | CN1938596A Radiation information management device and communication device |
03/28/2007 | CN1937852A Audio playing system and audio playing control method |
03/28/2007 | CN1937657A Linear echo control method |
03/28/2007 | CN1937483A System and method for aligning data between local and remote sources thereof |
03/28/2007 | CN1937436A Stacking mode for electric-power wire communication signal |
03/28/2007 | CN1937435A Digital signal processing method for power line communication system |
03/28/2007 | CN1937434A Power line network device concurrently with power supply function |
03/28/2007 | CN1937433A Method for confirming crosstalk coupling and crosstalk confirming unit |
03/28/2007 | CN1937432A Sound echo cancellation processing method based on optimized parameter predication |
03/28/2007 | CN1307816C DMT system for reducing far end crosstalk |
03/27/2007 | US7197146 Microphone array signal enhancement |
03/27/2007 | US7197083 Creation of spectral windows through the use of high rate code words |
03/27/2007 | US7197069 Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements |
03/27/2007 | US7196998 Method of determining ADIP information through counting identical bits and different bits |
03/27/2007 | US7196432 Device and method for protecting a motor vehicle against theft |
03/27/2007 | CA2373114C Acoustic echo cancellation |
03/27/2007 | CA2162763C Automated trouble-shooting mechanism resident in craftsperson's portable test and communications device |
03/22/2007 | WO2007032548A1 Power line communication apparatus |
03/22/2007 | WO2007032419A1 Communication apparatus and communication method |
03/22/2007 | WO2007032079A1 Hybrid circuit using resistor |
03/22/2007 | WO2007031228A1 Method for calibrating an electronic system incorporating an integrated computing unit |
03/22/2007 | WO2007008832A3 Path change detector for echo cancellation |
03/22/2007 | US20070066219 Recovery system with De-queue logic |
03/22/2007 | US20070066218 Recovery system with repeating communication capabilities |
03/22/2007 | US20070064589 Method for transmitting data by means of a carrier current |
03/22/2007 | US20070064132 Storage device system and signal transmission method for storage device system |
03/22/2007 | DE102005048224B3 Transmitting signal pre-distortion method for extended digital subscriber line modem, involves pre-distorting intermediate signal according to predictor transfer function for generating feedback signal |
03/22/2007 | DE102005044195A1 Stromversorgungs- und Kommunikationssystem für ein Passagierflugzeug Power and communication system for a passenger aircraft |
03/22/2007 | CA2620718A1 Power supply and communication system for a passenger plane |
03/21/2007 | EP1323288A4 Power line communication system |
03/21/2007 | EP1258107B1 Communications module and system |
03/21/2007 | CN2882063Y Power wire access equipment with protection device |
03/21/2007 | CN1934794A Signal repeater system |
03/21/2007 | CN1934763A Method and apparatus for monitoring energy storage devices |
03/21/2007 | CN1933521A Special communicating method for elevator |
03/21/2007 | CN1933432A Method for network analysis and network analyser module |
03/21/2007 | CN1933348A Zero intermediate frequency receiver and receiving method in electric line carrier communication |
03/21/2007 | CN1933347A Method and device for cable length measurement based on reflected phase shifts |
03/21/2007 | CN1932245A Underground working communication and dangerous case positioning system |
03/21/2007 | CN1306719C Self-adaptation balancing apparatus for SDH transmission system circuit attenuation compensation |
03/20/2007 | US7194037 Active replica transformer hybrid |
03/20/2007 | US7194029 Multi-pair gigabit ethernet transceiver having adaptive disabling or circuit elements |
03/20/2007 | US7194028 Multi-Pair Gigabit Ethernet Transceiver having decision feedback equalizer |
03/20/2007 | US7194026 Blind equalization method for a high definition television signal |
03/20/2007 | US7193506 Method and system for maximizing data throughput rate in a power line communications system by modifying payload symbol length |
03/15/2007 | WO2007029870A1 Method, apparatus and integrated circuit for controlling transmission rate |
03/15/2007 | WO2007029319A1 Power line communication apparatus, and communication capability measuring method in power line communication system |
03/15/2007 | WO2007029225A1 Method for detecting parameters of a remote device |
03/15/2007 | WO2006113317A3 Temperature and frequency equalizer |
03/15/2007 | WO2006075767B1 Various data transmission systems and data transmission methods for transporting vehicles |
03/15/2007 | US20070060046 Apparatus for repeating signal using microstrip patch array antenna |
03/15/2007 | US20070058798 Echo canceller |
03/15/2007 | US20070058708 Method and apparatus for automatically correcting receiver oscillator frequency |
03/15/2007 | US20070057578 Noise suppressing circuit |
03/15/2007 | DE19953219B4 Vorrichtung mit einer Differentialstrom-Steuerschaltung Device having a differential current control circuit |
03/14/2007 | EP1762013A1 Communication apparatus and communication method thereof |
03/14/2007 | EP1588506A4 Light fixture wireless access points |
03/14/2007 | CN1930819A Information leakage preventive device and information leakage preventive method |
03/14/2007 | CN1930535A Actuator and method for operating an actuator |
03/14/2007 | CN1305351C Supplemental audio contents system with wireless communication for cinema and related methods |
03/14/2007 | CN1305238C High impedance isolation device in signalling monitoring system |
03/13/2007 | US7191022 Public addressing system |
03/13/2007 | US7190744 Error generation for adaptive equalizer |
03/13/2007 | US7190718 Method and apparatus for determining a receiver sampling phase for use in diagnosing a channel |
03/13/2007 | US7190716 Line powered loop extender with communications, control, and diagnostics |
03/13/2007 | US7190710 Successive interference canceling for CMDA |
03/13/2007 | US7190665 Blind crosstalk cancellation for multicarrier modulation |
03/13/2007 | US7190594 Next high frequency improvement by using frequency dependent effective capacitance |
03/13/2007 | US7190194 Active hybrid transformer circuit having a replica driver |
03/13/2007 | US7190188 Signal transmission system, and signal transmission line |
03/08/2007 | WO2007027956A2 Multi-band line interface circuit with line side cancellation |
03/08/2007 | WO2007027339A1 System and method for electric motor control |
03/08/2007 | WO2007026984A1 Channel equalizer, channel equalization method, and tap coefficient updating method |
03/08/2007 | WO2007026818A1 Pc adaptor apparatus, pc signal reproducing system, pc signal reproducing method, pc signal reproducing program, output apparatus control program, pc adaptor apparatus control program, pc control program, power line communication connector, cradle apparatus using the same, and power line communication reproducing system |
03/08/2007 | WO2007026413A1 Power line carrier communication modem |
03/08/2007 | WO2006121545A3 Systems and methods for facsimile echo cancellation |
03/08/2007 | US20070053523 Lanyard for handheld electronic device |
03/08/2007 | US20070053505 Combined sidetone and hybrid balance |
03/07/2007 | EP1760904A1 Method and apparatus for measuring crosstalk |
03/07/2007 | EP1759493A1 Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability |
03/07/2007 | EP1759467A1 Method and device for transmitting information through a power distribution network |
03/07/2007 | EP0954910B1 Rf communication signal distribution system and method |
03/07/2007 | CN1926744A Devices and methods for detecting the presence of a source of power |
03/07/2007 | CN1925643A Transmission method for intermediate frequency pulled distant subsystem of TD-SCDMA base station |
03/07/2007 | CN1925349A Method and device for rapid diagnosis of digital user wire transceiver interoperability problem |
03/07/2007 | CN1925348A Standing-wave ratio detecting method and device |