Patents for H04B 3 - Line transmission systems (31,523) |
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09/18/2007 | US7272073 Method and device for generating information relating to the relative position of a set of at least three acoustic transducers |
09/18/2007 | US7271707 Device and method for producing a three-dimensionally perceived planar tactile illusion |
09/18/2007 | CA2550019C Centralized powering system and method |
09/18/2007 | CA2378329C Data transmission in pipeline systems |
09/15/2007 | CA2582058A1 Lighting control system & three way occupancy sensor |
09/13/2007 | WO2007101942A1 Electroluminescent emission device for optical transmission in free space |
09/13/2007 | WO2006076690A3 Method and apparatus for ambient sound therapy user interface and control system |
09/13/2007 | US20070211908 Multi-channel audio control |
09/13/2007 | US20070211794 Tranceiver non-linearity cancellation |
09/13/2007 | US20070211652 Mobile communication apparatus |
09/13/2007 | US20070211619 Method and apparatus for hybrid cdm ofdma wireless transmission |
09/13/2007 | DE102005030049B4 Treiberschaltung für eine Telefonleitung A drive circuit for a telephone line |
09/12/2007 | EP1833229A1 Communication relay device, information processing system, control method, and program |
09/12/2007 | EP1833005A1 Detector system and method for detection |
09/12/2007 | EP1832089A1 Method and circuit arrangement for carrying out initialisation and/or registration steps for a device, in particular a household appliance |
09/12/2007 | EP1832008A1 A electric home appliance able to power line communication |
09/12/2007 | EP1832007A1 Line status detection apparatus, communication apparatus, and line status detection method |
09/12/2007 | CN200947660Y Embedded network visual speaking device |
09/12/2007 | CN200947601Y Magnet-locking structure in power line communication |
09/12/2007 | CN200947600Y 通讯分支分配器 Communication splitter |
09/12/2007 | CN101036313A Power line communication methods and devices |
09/12/2007 | CN101034998A Ethernet data transmission method and PHY chip based on the broadcast/television network |
09/12/2007 | CN101034913A Network device applicable to the power line carrier communication system |
09/11/2007 | US7269452 Directional wireless communication systems |
09/11/2007 | US7269353 Branching unit for an optical transmission system |
09/11/2007 | US7269265 Method for switching audio signals and the device of the same |
09/11/2007 | US7269236 Frequency offset estimator |
09/11/2007 | US7269215 Equalization processing method and the apparatus for periodic fluctuation of transmission line characteristic |
09/11/2007 | US7269214 Waveform equalizer |
09/11/2007 | US7269213 Waveform equalizer having a tap coefficient monitoring unit |
09/11/2007 | US7269211 Residual echo reduction for a full duplex transceiver |
09/11/2007 | US7268673 Electronic device with a vibrator and an exchangeable cover |
09/11/2007 | US7268672 System for providing a tactile stimulation in response to a predetermined alarm condition |
09/11/2007 | US7268670 Power line communications system |
09/11/2007 | US7268578 Transmission circuit, data-transfer control device and electronic equipment |
09/11/2007 | US7268444 Feed line structure |
09/11/2007 | US7268294 Adaptor; controller and plug receptacle for electronic device |
09/11/2007 | US7266927 Drive-in movie theater with short range sound system |
09/07/2007 | WO2007100480A2 A welding-type system with power source and remote device connected through a weld cable using binary phase shift keying for transmitting commands over the weld cable; a method of remotely controlling such power source using such transmitting phase shift keying |
09/07/2007 | WO2007098674A1 Method and device for obtaining crosstalk information |
09/07/2007 | WO2007074287A3 Method for common mode rejection with differential line pairs |
09/06/2007 | US20070206817 Audio processor |
09/06/2007 | US20070206666 Digital satellite receiver and method for expanding digital satellite radio coverage for devices |
09/06/2007 | US20070205846 Filter circuit |
09/06/2007 | DE112004002700T5 Verfahren und Vorrichtung zum Reduzieren eines Nebensprechens in einem MIMO-Übertragungssystem Method and device for reducing crosstalk in a MIMO transmission system |
09/06/2007 | DE102006010002A1 House installation for use in pharmacy, has controller controlling two interfaces for connecting house installation with telephone and personal computer depending on data set that contains information about identity |
09/06/2007 | DE102006009563A1 Arrangement for transmission of data signals, has transmitter producing amplitude modulated supply voltage, whose alternative voltage portion reaches on consumer side above capacitance arrangement and signals are supplied to IC-component |
09/06/2007 | DE102004017487B4 Verfahren zur Übertragung von Schutzsignalen und Anordnung zur Durchführung des Verfahrens Method for transmitting signals and protection arrangement for carrying out the method |
09/05/2007 | EP1829269A2 Method and system for virtual exchange reference impact (veri) for use in mixed spectrum management in dsl |
09/05/2007 | EP1829242A1 Computing filter coefficients for an equalizer in a communication receiver |
09/05/2007 | EP1829239A1 Power line communication methods and devices |
09/05/2007 | EP1829238A1 Signal repeater system |
09/05/2007 | EP1829237A1 Method and apparatus for providing out of band communications over structured cabling |
09/05/2007 | EP1829208A2 Coaxial communication active tap device and distribution system |
09/05/2007 | EP1829001A2 Arrangement of daisy chained inductive couplers for data communication |
09/05/2007 | EP1579668A4 A power line communication system and method of operating the same |
09/05/2007 | EP1564914B1 Illumination light communication device |
09/05/2007 | EP1192730A4 Identification system for monitoring the presence/absence of members of a defined set |
09/05/2007 | CN200944589Y High-frequency wiring module for outdoor environment |
09/05/2007 | CN101030990A Echo prevention circuit, filter coefficient setting method, and program |
09/05/2007 | CN101030836A Method and apparatus for data encoding and communication over noisy media |
09/05/2007 | CN101030815A Adjusting and reconfigured microwave photo filter device based on super-continuous spectrum light source |
09/05/2007 | CN101030793A Wireless network system using power line communication |
09/05/2007 | CN101030792A Audio-visual system by railway or subway coach broadcasting or power-supply circuit transmission |
09/05/2007 | CN100336312C Coupling circuit for power line communications |
09/05/2007 | CN100336311C Method for solving far-end crosstalk in digital subscriber line |
09/05/2007 | CN100336310C A circuit for implementing VDSL line distance increasing |
09/04/2007 | US7266758 Network monitoring program, network monitoring method, and network monitoring apparatus |
09/04/2007 | US7266223 Personal identification device and method |
09/04/2007 | US7266154 Digital subscriber line induction neutralizing transformer network |
09/04/2007 | US7266092 Adaptive frequency duplexing system and method |
08/30/2007 | WO2007097756A1 Tunable filters having variable bandwidth and variable delay |
08/30/2007 | WO2007052836B1 Visible light communication apparatus and method |
08/30/2007 | US20070201543 Dynamic phase offset measurement |
08/30/2007 | US20070201542 Circuit Arrangement For Suppressing Interfering Signals In Transmitted Signals Emitted By A Modem Of A Household Appliance |
08/30/2007 | US20070201494 Last Leg Utility Grid High-Speed Data Communication Network Having Virtual Local Area Network Functionality |
08/30/2007 | US20070201351 Wireless communication method using ofdm and ofdm transmitter and receiver thereof |
08/30/2007 | DE102007003010A1 Anlage, Vorrichtung und Verfahren System, apparatus and method |
08/30/2007 | DE102004042994B4 Verfahren und Vorrichtung zur Echounterdrückung Method and device for echo cancellation |
08/29/2007 | EP1579669A4 A power line communication apparatus and method of using same |
08/29/2007 | CN101027851A Data communication system, data transmitting apparatus, data receiving apparatus, data communication method and data communication program |
08/29/2007 | CN101026659A Method for realizing echo time delay positioning |
08/29/2007 | CN101026411A Communicating in a network that includes a medium having varying transmission characteristics |
08/29/2007 | CN101026392A Method of controlling an adaptation of a filter |
08/29/2007 | CN100334456C Method and apparatus for distinguishing cable by simultaneous supplying of tone and intermittent link |
08/28/2007 | US7263184 Method and apparatus for active reduction of speakerphone singing |
08/28/2007 | US7263174 Predicting performance of telephone lines for data services |
08/28/2007 | US7263134 Ethernet transceiver with single-state decision feedback equalizer |
08/28/2007 | US7263121 Method and apparatus for determining a topology of a subscriber line loop |
08/28/2007 | US7263074 Voice activity detection based on far-end and near-end statistics |
08/28/2007 | US7262522 Microelectromechanical isolating power converter |
08/23/2007 | WO2007094555A1 Method of data communication between plc stations belonging to different plc cells and apparatus thereof |
08/23/2007 | WO2007094547A1 Method and apparatus for packet aggregation in power line communication network |
08/23/2007 | WO2007094106A1 Device used in vehicle and communication interface circuit used in that device |
08/23/2007 | WO2007093096A1 A bi-directional amplifier device and semiduplex communication system and method thereof |
08/23/2007 | WO2007055699A3 Power line coupling device and method of using the same |
08/23/2007 | US20070197262 Plug-In Network Appliance |
08/23/2007 | US20070197161 Cellular wide-area radio communications system with relay-enhanced cells |
08/23/2007 | US20070195875 Multi-pair gigabit ethernet transceiver having decision feedback equalizer |
08/23/2007 | US20070195868 Method to increase performance of secondary data in a heirarchial modulation scheme |