| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 12/19/2007 | CN101090296A Diagnostic method and device for breakout of cable |
| 12/19/2007 | CN101090282A Power carrier communication circuit capable of overcome compensating capacitor |
| 12/19/2007 | CN100356699C 设备数据收集系统 Device Data collection system |
| 12/19/2007 | CN100356691C Control input circuit for an electrical device |
| 12/18/2007 | US7310425 Multi-channel frequency-domain adaptive filter method and apparatus |
| 12/18/2007 | US7310383 Coaxial cable communications systems and apparatus employing single and multiple sinewave modulation and demodulation techniques |
| 12/18/2007 | US7309017 Secure physical documents, and methods and apparatus for publishing and reading them |
| 12/18/2007 | CA2242072C Remote monitoring of an optical transmission system using line monitoring signals |
| 12/13/2007 | WO2007141832A1 Power line communication system and power line communication method |
| 12/13/2007 | WO2007104384A3 System for supplying power and data to electrical consumers |
| 12/13/2007 | WO2007094865A3 Method and system for detecting messages using enhanced distributed signaling |
| 12/13/2007 | WO2007078521A3 Clock-free activation circuit |
| 12/13/2007 | WO2007040809A3 Non-invasive frequency rollback apparatus and method |
| 12/13/2007 | WO2007029247A3 Audio switching system with interactive puppet |
| 12/13/2007 | US20070288806 Method and arrangement to estimate transmission channel characteristics |
| 12/13/2007 | US20070287516 Directional wireless communication systems |
| 12/13/2007 | US20070287406 Data Communication over a Power Line |
| 12/13/2007 | US20070286432 Speaker system for portable electrical equipment |
| 12/13/2007 | US20070286295 Method and apparatus to cancel interference over a group of signals |
| 12/13/2007 | US20070286268 Digital phase locked loop |
| 12/13/2007 | US20070286225 Method and Communications System for Transmitting Information in a Motor Vehicle |
| 12/13/2007 | US20070285216 Providing enhanced haptic feedback effects |
| 12/13/2007 | US20070285188 Substrate for semiconductor package |
| 12/13/2007 | US20070284949 Distance Extender |
| 12/12/2007 | EP1865631A1 Illumination light communication device |
| 12/12/2007 | EP1865623A1 Communication system, vehicle information communicating apparatus, and indoor information processing apparatus |
| 12/12/2007 | EP1865616A2 Electric/electronic bus device |
| 12/12/2007 | EP1865615A1 Improved method and apparatus for detecting echo path changes in an acoustic echo canceller |
| 12/12/2007 | EP1864395A1 Communications system using separate receive and transmit frequency hopping hopsets |
| 12/12/2007 | EP1864394A1 System and method for power line communications |
| 12/12/2007 | EP1863685A1 System and method for locating objects and communicating the same |
| 12/12/2007 | EP1540820A4 Method and apparatus for channel equalization |
| 12/12/2007 | EP1506624B1 Apparatus and method of echo-cancellation |
| 12/12/2007 | CN200990603Y Quadded digital telephone line |
| 12/12/2007 | CN200990602Y Minimum system module with complete echo eliminating function |
| 12/12/2007 | CN200990601Y Mobile communication system trunk amplification communication apparatus |
| 12/12/2007 | CN101088269A Method and circuit arrangement for carrying out initialisation or registration steps for a device, in particular a household appliance |
| 12/12/2007 | CN101087485A A transmission control method of multi-sound source remote distance wireless sound box and its device |
| 12/12/2007 | CN101087149A Method for cable bridge device to supply power via coaxial cable |
| 12/12/2007 | CN101087148A Simulation and analysis system and method of high-speed differential signal |
| 12/11/2007 | US7308494 Reprovisioning technique for an interconnect fabric design |
| 12/11/2007 | US7308103 Power line communication device and method of using the same |
| 12/11/2007 | US7308004 Method and apparatus of multiplexing and demultiplexing communication signals |
| 12/11/2007 | US7307965 Echo cancellation device for full duplex communication systems |
| 12/11/2007 | US7307511 Power line communication system and method |
| 12/11/2007 | US7307357 Method and system to increase the throughput of a communications system that uses an electrical power distribution system as a communications pathway |
| 12/06/2007 | WO2007138971A1 Antenna cable disconnection detecting device for radio communication device for construction machine, and radio communication device for construction machine |
| 12/06/2007 | WO2007138919A1 Data coupler |
| 12/06/2007 | WO2007138283A1 Communication apparatus and method |
| 12/06/2007 | WO2007116064A3 Medium access control method for data transmission through catv access network |
| 12/06/2007 | WO2007040808A3 Method and apparatus for preventing loss of service from hardware failure in a network |
| 12/06/2007 | WO2007038015A3 Variable interference cancellation technology for cdma systems |
| 12/06/2007 | WO2007021378A3 Single transistor alternator field buck/boost |
| 12/06/2007 | US20070280388 Apparatus for and method of canceller tap shutdown in a communication system |
| 12/06/2007 | US20070279196 Power Line Communications Device In Which Physical Communications Protocol Layer Operation Is Dynamically Selectable |
| 12/06/2007 | US20070279072 Automatically folding cable |
| 12/06/2007 | DE19830738B4 Vorrichtung zur richtungsabhängigen Fehlerortung oder Nachrichtenübertragung auf Niederspannungsnetzen Apparatus for directional fault location or messaging in low voltage distribution systems |
| 12/06/2007 | CA2653522A1 Communication apparatus and method |
| 12/05/2007 | EP1863203A1 Illumination light communication device |
| 12/05/2007 | EP1863189A2 Network control system for home appliances |
| 12/05/2007 | EP1861934A1 Communication apparatus and communication method |
| 12/05/2007 | EP1861792A2 Automatic power adjustment in powerline home network |
| 12/05/2007 | EP1186115B1 Wireless local distribution system using standard power lines |
| 12/05/2007 | EP1070389B1 Component carrier |
| 12/05/2007 | CN100353690C Multiplex system using common network group to transmit multiple 8B/10B bit stream |
| 12/05/2007 | CA2584192A1 Arrangement and method for providing power line communication from an ac power source to a circuit for powering a load, and electronic ballasts therefor |
| 12/04/2007 | US7305039 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control |
| 12/04/2007 | US7305038 Peripheral device receiver detection in a high noise environment |
| 12/04/2007 | US7305037 Calibration system for a communications system |
| 12/04/2007 | US7305029 Multi-pair gigabit ethernet transceiver |
| 12/04/2007 | US7305025 Measurement instrument and measurement method |
| 12/04/2007 | US7304962 Delay measurement system in a packet network |
| 12/04/2007 | US7304961 Echo cancellation device for full duplex communication systems |
| 11/29/2007 | WO2007136732A2 Wireless repeater with master/slave configuration |
| 11/29/2007 | WO2007136260A1 Heated aerodynamic profile for composite structures |
| 11/29/2007 | US20070275655 Terminal for relaying data signal |
| 11/29/2007 | US20070275595 Outlet add-on module |
| 11/29/2007 | US20070274532 Audio Reproduction Device, Audio System and Audio Delivery Device |
| 11/29/2007 | US20070274514 Method and apparatus for acoustic echo cancellation in a communication system providing TTY/TDD service |
| 11/29/2007 | US20070274199 Method and system for modifying modulation of power line communications signals for maximizing data throughput rate |
| 11/29/2007 | US20070273454 Biased nonlinear transmission line comb generators |
| 11/29/2007 | CA2650256A1 Wireless repeater with master/slave configuration |
| 11/28/2007 | EP1860801A1 Illumination light communication device |
| 11/28/2007 | EP1860800A1 Illumination light communication device |
| 11/28/2007 | EP1860799A1 Illumination light communication device |
| 11/28/2007 | EP1815607A4 Crosstalk reducing conductor and contact configuration in a communication system |
| 11/28/2007 | EP1068676A4 Gigabit ethernet transceiver |
| 11/28/2007 | CN200983613Y 数字信息终端系统 Digital Information Terminal System |
| 11/28/2007 | CN200983587Y An office end testing module for the second generation asymmetric digital user line |
| 11/28/2007 | CN200983586Y A filter applicable DSL back line customer service end |
| 11/28/2007 | CN200983585Y A xDSL separator distribution module |
| 11/28/2007 | CN101079656A A network system based on power line and Ethernet mixing networking |
| 11/28/2007 | CN101079655A Communication method for using coal exactor dynamic cable control core cable as carrier communication cable |
| 11/28/2007 | CN101079654A Control device using mechanical hand to detect ADSL |
| 11/28/2007 | CN100352209C Initialization of a bidirectional, self-timed parallel interface with automatic testing of AC differential wire pairs |
| 11/27/2007 | US7302379 DSL system estimation and parameter recommendation |
| 11/27/2007 | US7302247 Spread spectrum isolator |
| 11/27/2007 | US7302240 Communication apparatus |
| 11/27/2007 | US7302184 Data communication system |
| 11/27/2007 | US7302066 Method for eliminating an unwanted signal from a mixture via time-frequency masking |