| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 06/04/2009 | WO2009070073A1 A method and arrangement for echo cancellation of voice signals |
| 06/04/2009 | WO2009067898A1 Line measuring method and device |
| 06/04/2009 | WO2009022040A8 Method for increasing the performance of a communications system on a medium formed by multiple conductors |
| 06/04/2009 | US20090141816 Method of Transmission Power Control and Communication Device |
| 06/04/2009 | US20090141780 Down-converter and up-converter for time-encoded signals |
| 06/03/2009 | EP2066103A1 Switchable impedance xdsl splitter |
| 06/03/2009 | EP2066041A1 A method and apparatus for quickly diagnosing inter-communication problem of digital subscriber line transceivers |
| 06/03/2009 | EP1819098B1 Method and device for testing transmission loss of communication line |
| 06/03/2009 | EP1602223B1 Echo canceller with reduced requirement for processing power |
| 06/03/2009 | EP1402764A4 Arrangement for energy conditioning |
| 06/03/2009 | CN201252541Y System based on power line data transmission |
| 06/03/2009 | CN101447807A High-efficient two-wire system power modulation bus and implementing method thereof |
| 06/03/2009 | CN101447806A Power line modem |
| 06/03/2009 | CN100496099C Decision feedback equalizer for digital television receiver, and method for the same |
| 06/03/2009 | CN100495937C Method and apparatus for control of modem transmit power |
| 06/02/2009 | US7542722 Method and arrangement for minimizing intracell interference in a data transmission system |
| 06/02/2009 | US7542562 Method for automatically adapting levels of signals exchanged in a communication network |
| 06/02/2009 | US7542536 Resampler for a bit pump and method of resampling a signal associated therewith |
| 06/02/2009 | US7542507 Decision feedback equalization input buffer |
| 06/02/2009 | CA2333042C Suppression of rfi and impulse noise in communications channels |
| 05/28/2009 | WO2009067037A1 Method for transmitting discrete electric signals |
| 05/28/2009 | WO2008059485A3 Method and apparatus for repeater test and control |
| 05/28/2009 | US20090135932 Power-line carrier communication apparatus |
| 05/28/2009 | US20090134996 Power Line Communication System and Method of Operating the Same |
| 05/28/2009 | US20090134699 Signal Coupling Apparatus For Power Line Communications Using A Three-Phase Four-Wire Power Line |
| 05/27/2009 | EP2063546A2 Multiple carrier transfer method for data communication in power supply networks |
| 05/27/2009 | EP2062370A1 Power line communication system |
| 05/27/2009 | CN201248171Y Electric force carrier street lamp controller |
| 05/27/2009 | CN101442457A Method for switching physical layer relay direction, relay equipment and coaxial network system |
| 05/27/2009 | CN101442342A Method for switching coaxial relay direction, coaxial relay device and system |
| 05/27/2009 | CN101442334A Echo noise suppressor |
| 05/27/2009 | CN100492933C Method and switch for switching in wideband through power line |
| 05/26/2009 | US7539615 Audio signal quality enhancement in a digital network |
| 05/26/2009 | US7539209 Method and device for preserving pacing information across a transport medium |
| 05/26/2009 | US7539154 Method and apparatus to detect and break loop configuration |
| 05/22/2009 | WO2009063286A2 Apparatus and method for fast retransmission in a power line communication network |
| 05/22/2009 | WO2009062296A1 Vehicle conveyor system |
| 05/22/2009 | CA2705214A1 Vehicle conveyor system |
| 05/21/2009 | US20090129606 VOX Circuit with 2-Wire Interfaces |
| 05/21/2009 | US20090129605 Apparatus and methods for augmenting a musical instrument using a mobile terminal |
| 05/21/2009 | US20090129485 Structure for transmitter bandwidth optimization circuit |
| 05/21/2009 | US20090128306 Capture and remote reproduction of haptic events in synchronous association with the video and audio capture and reproduction of those events |
| 05/21/2009 | US20090128305 Device and Method for Enhancing Sensory Perception of Vibrational Stimuli |
| 05/21/2009 | US20090128249 Variable Capacitance Circuit |
| 05/21/2009 | US20090128248 Filter and manufacturing method thereof |
| 05/21/2009 | US20090128161 Structure for robust cable connectivity test receiver for high-speed data receiver |
| 05/20/2009 | EP2061158A1 Hybrid circuit without inductors |
| 05/20/2009 | EP2060908A1 Passive intermodulation distortion measuring method and system |
| 05/20/2009 | EP2060013A1 Method for determining automatically a fext/next transfer-function |
| 05/20/2009 | DE112007001801T5 Stromleitungskommunikationsvorrichtung Power line communication apparatus |
| 05/20/2009 | DE102007053497A1 Übertragungs- und Verbindungssysteme für den Einsatz in mechanisch stark belasteter Umgebung Transmission and interconnection systems for use in mechanically heavily polluted environment |
| 05/20/2009 | DE102007023935B4 Elektrokabel mit optimierter Propagationszeit zur Signalübertragung Electric cable with optimized propagation time for signal transmission |
| 05/20/2009 | CN201243282Y Electric power line communication apparatus |
| 05/20/2009 | CN201243281Y Electric power line network device |
| 05/20/2009 | CN201243280Y Automatic switchover protection device for telephone two-channel |
| 05/20/2009 | CN201240725Y Intelligent control apparatus for elevator |
| 05/20/2009 | CN101436883A Electric power modem |
| 05/20/2009 | CN101436882A Power-line carrier communication circuit |
| 05/20/2009 | CN101436881A Hybrid circuit without inductors |
| 05/20/2009 | CN101436880A Method and apparatus for sending and receiving signal, and signal transmission system |
| 05/20/2009 | CN100490452C 传输装置 Transmission device |
| 05/20/2009 | CN100490346C Communication method of remote meter transcribing system and communication conversion module used therefor |
| 05/20/2009 | CN100490345C Power line transmission sound box system |
| 05/19/2009 | US7536212 Communication system using short range radio communication headset |
| 05/19/2009 | US7536197 Apparatus and method of loop and rate dependent power cutback |
| 05/19/2009 | US7536162 Active resistive summer for a transformer hybrid |
| 05/19/2009 | US7536020 Wearable communication device |
| 05/19/2009 | US7535984 Clock adjustment apparatus and method thereof |
| 05/19/2009 | US7535963 Data processing circuit with a driver and a receiver |
| 05/19/2009 | US7535953 Time information transmitter-receiver, and time information transmission-reception integrated circuit |
| 05/19/2009 | US7535892 Voice over internet protocol system having dynamic gain control function and method thereof |
| 05/19/2009 | US7535866 Deployment processes for new technology systems |
| 05/19/2009 | US7535859 Voice activity detection with adaptive noise floor tracking |
| 05/16/2009 | CA2643649A1 Multiple carrier signals on a legacy bus |
| 05/14/2009 | WO2009060555A1 Power line communication apparatus |
| 05/14/2009 | WO2009007730A3 Power socket fascia |
| 05/14/2009 | WO2007122587A3 Echo compensation for wireless access |
| 05/14/2009 | US20090123002 System and method for providing step size control for subband affine projection filters for echo cancellation applications |
| 05/14/2009 | US20090122880 Filter for bpl signal |
| 05/14/2009 | US20090122851 Method and device for data processing and communication system with data processing device |
| 05/14/2009 | US20090122850 test circuit capable of masking data at read operation and method for controlling the same |
| 05/14/2009 | US20090122849 Testability technique for phase interpolators |
| 05/14/2009 | US20090122848 Calibrating Received Signal Measurements in a Digital Subscriber Line Device |
| 05/14/2009 | US20090122845 Hybrid circuit without inductors |
| 05/14/2009 | US20090122842 High frequency signal hub |
| 05/14/2009 | US20090121743 Digital Method and Device for Transmission with Reduced Crosstalk |
| 05/14/2009 | US20090121660 Controlling adjustable bed features with a hand-held remote control |
| 05/14/2009 | DE102007046980A1 Electrical consumer i.e. electric motor, has modulation circuit galvanically connected with earth and comprising modulation unit for modulation of current discharged over capacitive connection |
| 05/13/2009 | EP2059016A1 Method,system and device for xdsl crosstalk cancelation |
| 05/13/2009 | EP2058954A1 System and method for establishing communications with an electronic meter |
| 05/13/2009 | EP2058953A2 Transfer and connection systems for use in environments with high mechanical loads |
| 05/13/2009 | EP2057727A2 Method and apparatus for a power line communications test system |
| 05/13/2009 | EP1747617A4 System and method for generating a jittered test signal |
| 05/13/2009 | CN101432997A Illuminating light communication device |
| 05/13/2009 | CN101431347A Wireless distributed equipment and system and signal transmission method |
| 05/13/2009 | CN101431346A Method and apparatus for acquiring crosstalk information |
| 05/13/2009 | CN101431345A Coaxial cable route isolated auxiliary signal apparatus and method |
| 05/13/2009 | CN100488338C Method for controlling impedance |
| 05/13/2009 | CN100488151C Method and apparatus for non-centralized network bandwidth management |
| 05/13/2009 | CN100488072C Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus |