| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 06/15/2004 | US6751314 Dynamic allocation of resources for echo cancellation |
| 06/15/2004 | US6751203 Methods and apparatus for the production of echo free side tones |
| 06/15/2004 | US6751202 Filtered transmit cancellation in a full-duplex modem data access arrangement (DAA) |
| 06/15/2004 | US6750781 Appliance control system utilizing bidirectional power line communications |
| 06/10/2004 | WO2004049687A1 Noise matching for echo cancellers |
| 06/10/2004 | WO2004049675A2 Arrangement of an inductive coupler for power line communications |
| 06/10/2004 | WO2004049585A1 Radio controlled power line carrier system |
| 06/10/2004 | WO2004049584A1 Echo cancellers for sparse channels |
| 06/10/2004 | WO2004029766A3 Method and system for timing controlled signal transmission in a point to multipoint power line communications system |
| 06/10/2004 | WO2004019653A3 Parametric array modulation and processing method |
| 06/10/2004 | WO2004019501A3 Methods for transmitting a waveform having a controllable attenuation and propagation velocity |
| 06/10/2004 | US20040111496 Home network system and method for adding and/or deleting home appliances |
| 06/10/2004 | US20040110483 Power line communication sytem and method |
| 06/10/2004 | US20040109499 Controlling power output of a modem for power line communications |
| 06/10/2004 | US20040109496 Simultaneous bidirectional differential signalling interface |
| 06/10/2004 | US20040108941 Power line phase coupler system |
| 06/10/2004 | CA2507126A1 Arrangement of an inductive coupler for power line communications |
| 06/09/2004 | EP1425882A2 Method and supply line structure for transmitting data between electrical automotive components |
| 06/09/2004 | CN1504042A Audio signal quality enhancement in a digital network |
| 06/09/2004 | CN1504020A Apparatus for providing security on powderlnie-modem network |
| 06/09/2004 | CN1504017A Adaptive equalizer system for short burst modems and link hopping radio networks |
| 06/09/2004 | CN1503473A Information transmission system and method |
| 06/09/2004 | CN1503467A Noise matching for echo cancellers |
| 06/09/2004 | CN1503466A Echo cancellers for sparse channels |
| 06/09/2004 | CN1153424C Receiver for digital transmission system |
| 06/09/2004 | CN1153422C Filter co-processor, equalizer having same and method for decoding quadrature modulation signal |
| 06/08/2004 | US6748078 System and method for allocating overhead voltage in the transmission of pots and XDSL signals |
| 06/08/2004 | US6748050 Method and apparatus for performing either tone analysis on a local looped-back communications path or utilizing a hybrid reflection based looped-back test to test integrity |
| 06/08/2004 | US6748016 System and method for transmitting messages between transceivers using electromagnetically coupled signals |
| 06/08/2004 | US6747992 Communication system and communication method |
| 06/08/2004 | US6747936 Data reproduction apparatus and method with improved performance by adjusting filter coefficients of equalizer |
| 06/08/2004 | US6747859 Modular power line network adapter |
| 06/03/2004 | WO2004047330A1 Digital filter circuit and method for blocking a transmission line reflection signal |
| 06/03/2004 | WO2004047325A1 Automated system and method for management of digital subscriber lines |
| 06/03/2004 | WO2004021657A3 Frequency-domain equalization for single carrier signals |
| 06/03/2004 | WO2003096503A3 Power theft prevention based on signature monitoring on power lines |
| 06/03/2004 | US20040105539 High-speed data transmission system to a digital terminal |
| 06/03/2004 | US20040105504 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control |
| 06/03/2004 | US20040105454 Data transmissions device and data transmissions method capable of minimizing delay of fast data |
| 06/03/2004 | US20040104798 Arrangement of an inductive coupler for power line communications |
| 06/03/2004 | CA2632097A1 Automated system and method for management of digital subscriber lines |
| 06/02/2004 | EP1424841A1 Single-ended loop test circuitry in a central office DSL modem |
| 06/02/2004 | EP1424787A1 Power line communication apparatus |
| 06/02/2004 | EP1423924A1 Equalizer system |
| 06/02/2004 | EP1423923A2 Adaptive equalizer for reducing distortion in a communication channel |
| 06/02/2004 | EP1222784B1 Method for channel equalisation using givens rotation of a data matrix |
| 06/02/2004 | EP0878950B1 Data communication equipment |
| 06/02/2004 | CN1502178A High-speed data transmission system to a digital terminal |
| 06/02/2004 | CN1501618A Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 06/02/2004 | CN1501279A Configuration system for network appliances, and a method for reconfiguration of appliances |
| 06/02/2004 | CN1152583C Reset control circuit and its implementation method |
| 06/02/2004 | CN1152483C Communication terminal instrument and radio communication method |
| 06/01/2004 | US6745060 Signal processing apparatus |
| 06/01/2004 | US6744887 Acoustic echo processing system |
| 06/01/2004 | US6744886 Adaptive filter utilizing proportional affine projection algorithm |
| 06/01/2004 | US6744854 Detection of bridge taps by frequency domain reflectometry-based signal processing with precursor signal conditioning |
| 06/01/2004 | US6744831 Adaptive electronic transmission signal cancellation apparatus for full duplex communication |
| 06/01/2004 | US6744820 Communication system and method utilizing message frames having multiple thresholds for a multi-device vehicle occupant protection system |
| 06/01/2004 | US6744813 System and method for estimating noise characteristics in the presence of non-stationary noise |
| 06/01/2004 | US6744351 Central radio device and associated appliance |
| 06/01/2004 | US6744332 Four-drop bus with matched response |
| 06/01/2004 | US6744329 Cross talk compensation circuit |
| 05/27/2004 | WO2004045220A1 Catv transmission path monitoring device, method, and program |
| 05/27/2004 | WO2004045128A2 Method for frequency and loop length grouping for cross-talk reduction in a plurality of dsl channels |
| 05/27/2004 | WO2004045086A2 Controlling power output of a modem for power line communications |
| 05/27/2004 | WO2004045084A2 Capacitive coupler for power line communications |
| 05/27/2004 | WO2003034673A3 Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer |
| 05/27/2004 | US20040103113 Information transmission system and information transmission method |
| 05/27/2004 | US20040101133 System for providing logic signals over communication lines |
| 05/27/2004 | US20040101131 Echo cancellers for sparse channels |
| 05/27/2004 | US20040101130 Single-ended loop test circuitry in a central office DSL modem |
| 05/27/2004 | US20040101040 Timing recovery system for a multi-pair gigabit transceiver |
| 05/27/2004 | US20040100916 Noise matching for echo cancellers |
| 05/27/2004 | US20040100316 Semiconductor circuit having repeaters in a signal transmission line |
| 05/27/2004 | CA2505323A1 Controlling power output of a modem for power line communications |
| 05/27/2004 | CA2505321A1 Capacitive coupler for power line communications |
| 05/26/2004 | EP1422835A1 Telecommunication apparatus for crosstalk compensation |
| 05/26/2004 | EP1422834A1 Telecommunication apparatus for crosstalk compensation |
| 05/26/2004 | EP1422833A2 Information transmission system and information transmission method |
| 05/26/2004 | EP1421700A2 Digital equalization process and mechanism |
| 05/26/2004 | EP1421690A1 Method and apparatus for encoding and decoding digital communications data |
| 05/26/2004 | EP1421337A1 Two wire output/power mechanism for remote devices |
| 05/26/2004 | EP1119928B1 Method for equalization of complementary carriers in an am compatible digital audio broadcast system |
| 05/26/2004 | CN1500314A Rake receiver with embedded decision feedback equalizer |
| 05/26/2004 | CN1499809A Echo eliminator and method for evaluating echo |
| 05/26/2004 | CN1499741A Protocol of power line carrier communication and equipment thereof |
| 05/26/2004 | CN1499739A Microphonic processor |
| 05/26/2004 | CN1499734A Method of eliminating crosstalk |
| 05/26/2004 | CN1498846A Elevator cabin monitor and method thereof and mounting method for such monitor |
| 05/26/2004 | CN1151652C Telephone equipment |
| 05/26/2004 | CN1151643C Method and apparatus for demodulating and equalizing am compatible digital |
| 05/25/2004 | US6741701 Dual echo canceller and method for increasing dynamic range of a receiver |
| 05/25/2004 | US6741676 Determining the physical structure of subscriber lines |
| 05/25/2004 | US6741604 ADSL transmission in the presence of low-frequency network services |
| 05/25/2004 | US6741571 Method and apparatus for using unintended radio frequency propagation in a network |
| 05/25/2004 | US6741412 Data recording/reproducing signal processing circuit for magnetic recording, and perpendicular magnetic recording/reproducing apparatus using it |
| 05/25/2004 | US6741162 Power line networking apparatus and method |
| 05/25/2004 | US6741045 Bicycle control apparatus that communicates power and data over a single transmission path |
| 05/25/2004 | CA2320701C Gigabit ethernet transceiver |
| 05/21/2004 | WO2004043052A1 Techniques for improving telephone audio quality |