| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 01/25/2012 | CN102333022A Method for interacting cross-safety protection region information in power communication network and protection system |
| 01/25/2012 | CN102332938A Ac power supply circuitry |
| 01/25/2012 | CN102331735A PLC bus control circuit applied to digital home |
| 01/25/2012 | CN101692748B Mobile communication relay system |
| 01/25/2012 | CN101331690B Method and apparatus for packet aggregation in power line communication network |
| 01/25/2012 | CN101136973B Talk deciding system |
| 01/25/2012 | CN101136659B Method, system and equipment for crosstalk elimination of xDSL multiple lines |
| 01/24/2012 | US8103016 Network system and audio signal processor |
| 01/24/2012 | US8103011 Signal detection using multiple detectors |
| 01/24/2012 | US8103009 Wired, wireless, infrared, and powerline audio entertainment systems |
| 01/24/2012 | US8102905 Pulse detection in wireless communications system |
| 01/24/2012 | US8102903 Calibrating received signal measurements in a digital subscriber line device |
| 01/24/2012 | US8102817 Method of measurement reporting and cellular radio terminal |
| 01/24/2012 | US8102277 Method and system for remote updates of meters for metering the consumption of electricity, water or gas |
| 01/24/2012 | US8102219 Electromagnetic bandgap structure and printed circuit board |
| 01/24/2012 | US8102074 Systems and method for limiting maximum voltage in solar photovoltaic power generation systems |
| 01/24/2012 | CA2407453C Far-end cross-talk cancellation for data transmission on multiple propagation modes |
| 01/21/2012 | CA2746924A1 System and method for detecting signal ingress interferences |
| 01/19/2012 | WO2012009366A2 Pilot structure for coherent modulation |
| 01/19/2012 | WO2012009332A2 Handheld subscriber line test equipment |
| 01/19/2012 | WO2011133619A3 Coexistence of prime, s-fsk and g3 devices in powerline communications |
| 01/19/2012 | WO2010130761A9 Noise suppression in a full-duplex audio communication terminal |
| 01/19/2012 | US20120014534 Wireless multi-user audio system |
| 01/19/2012 | US20120014460 Compensation for Transmission Line Length Variation in a Serdes System |
| 01/19/2012 | US20120014459 Power Line Communication Networks and Methods employing Multiple Widebands |
| 01/19/2012 | DE112009002389T5 Kommunikationsvorrichtung, Kommunikationssystem und Kommunikationsverfahren Communication device, communication system and communication method |
| 01/19/2012 | DE102010027330A1 Method for transmitting data over alternating current voltage-power supply line, involves determining current frequency of alternating current voltage, where frequency of alternating current voltage is variable |
| 01/18/2012 | EP2408119A1 Transceiver module comprising optical and electrical connection |
| 01/18/2012 | EP2406891A1 Method and apparatus for reducing noise in a communication system |
| 01/18/2012 | EP2327156B1 Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening |
| 01/18/2012 | CN202121579U Anti-interference device for elevator voice intercommunication |
| 01/18/2012 | CN202121578U Power bridge capable of being used on three phase electricity |
| 01/18/2012 | CN202121577U Intelligent protection circuit of communication device |
| 01/18/2012 | CN102326335A Apparatus and method for transferring data and energy via devices of network |
| 01/18/2012 | CN102326334A Method and apparatus for analyzing line crosstalk |
| 01/18/2012 | CN102325065A Double-channel digital family control and interaction system and implementation method thereof |
| 01/18/2012 | CN102324985A Delay method, delay, time difference, delay array and time difference array generator |
| 01/18/2012 | CN102324953A Networking method for MAC (media access control) layer of low-voltage network power line carrier communication network |
| 01/18/2012 | CN102324952A Non-polar two-line system communication circuit |
| 01/18/2012 | CN101305351B Universal network interface for home network |
| 01/18/2012 | CN101150347B Communication system and its transmitting channel estimation method |
| 01/17/2012 | US8099041 System and method for extension of wireless footprint |
| 01/17/2012 | US8098840 Multi-channel output device for a multimedia device |
| 01/17/2012 | US8098720 Method and apparatus for suppressing adjacent channel interference and multipath propagation signals and radio receiver using said apparatus |
| 01/17/2012 | US8098141 Touch sensitive wearable band apparatus and method |
| 01/17/2012 | US8098129 Identification system and method of operating same |
| 01/17/2012 | US8098115 Noise eliminating wire harness |
| 01/17/2012 | US8096388 Elevator system for transmitting information to passenger |
| 01/17/2012 | CA2502547C Highly insulated inductive data couplers |
| 01/12/2012 | WO2012005492A2 Transformer bypass apparatus of time information broadcasting using power-line broadcasting |
| 01/12/2012 | WO2012005491A1 Apparatus and method for transmitting/receiving of time information broadcasting using power line broadcasting |
| 01/12/2012 | WO2012005095A1 Transmitting and receiving system |
| 01/12/2012 | WO2012005025A1 Network apparatus and communication module |
| 01/12/2012 | WO2012004043A1 Echo canceller |
| 01/12/2012 | WO2012003734A1 Method and apparatus for controlling echo suppression in network |
| 01/12/2012 | US20120007689 Emi trap using microwave circuit |
| 01/12/2012 | US20120007422 System and Method for Passing PLC Signals from a First Electrical Line to a Second Electrical Line |
| 01/12/2012 | DE102010030998A1 Transportsystem mit Führungen für geführte Transportfahrzeuge und Verfahren zu dessen Betrieb Transport system with guided tours for transportation vehicles and method of operation |
| 01/11/2012 | EP2405694A1 Base station and system for coordination of wireless maintenance channel power control |
| 01/11/2012 | EP2405587A1 Echo canceller |
| 01/11/2012 | EP2405555A1 Power supply device |
| 01/11/2012 | EP2404385A1 Dsl noise cancellation |
| 01/11/2012 | EP1545022B1 Wraparound canceller, relay system, and wraparound canceling method |
| 01/11/2012 | CN202111784U PLC camera |
| 01/11/2012 | CN202111702U Industrial CW bluetooth converter |
| 01/11/2012 | CN202111700U EOC local terminal equipment |
| 01/11/2012 | CN1853370B Method and communication assembly for testing subscriber lines |
| 01/11/2012 | CN102318302A Method, apparatus and system of signal processing |
| 01/11/2012 | CN102318299A Method and apparatus of eliminating far-end crosstalk by precoding |
| 01/11/2012 | CN102318209A Simultaneous estimation of multiple channel coefficients using a common probing sequence |
| 01/11/2012 | CN102318208A Method, device and system for reducing cross-talk in digital subscriber line service transmission |
| 01/11/2012 | CN102318207A Method and device for data processing |
| 01/11/2012 | CN102315861A Programmable communication unit based on coaxial cable access |
| 01/11/2012 | CN102314719A Parking lot management system and data communication method thereof |
| 01/11/2012 | CN101313484B Method and apparatus for improving call quality |
| 01/11/2012 | CN101150346B Receiver |
| 01/10/2012 | US8094830 Video/sound output device and external speaker control device |
| 01/10/2012 | US8094706 Frequency-based, active monitoring of reliability of a digital system |
| 01/10/2012 | US8094705 Fast SERDES I/O characterization |
| 01/10/2012 | US8094704 Detecting wireless channel status from acoustic discrimination of spectral content |
| 01/10/2012 | US8094703 Systems and methods for loop length and bridged tap length determination of a transmission line |
| 01/10/2012 | US8094701 Channel estimation for high data rate transmission using multiple control channels |
| 01/10/2012 | US8094640 Full duplex wideband communications system for a local coaxial network |
| 01/10/2012 | US8093995 Method and apparatus for distributing haptic synchronous signals |
| 01/10/2012 | US8093987 Vehicle electronic key system |
| 01/10/2012 | US8093911 Time-of-flight measurement based on transfer function and simulated exponential stimulus |
| 01/10/2012 | US8092258 Modular outlet |
| 01/10/2012 | CA2756703A1 Software-defined communication unit |
| 01/05/2012 | WO2012003309A2 Communication on a pilot wire |
| 01/05/2012 | WO2012001489A1 Wire communication system |
| 01/05/2012 | WO2012001333A1 Device, method and network for carrier current control of electrical appliances |
| 01/05/2012 | WO2012001168A1 Invention relating to a measuring and actuating system for a plurality of transducers |
| 01/05/2012 | WO2011140326A3 Switched-load resonating transmitter for passband power line communication |
| 01/05/2012 | WO2011139908A3 Effective low voltage to medium voltage transmission on prime band |
| 01/05/2012 | WO2011109303A3 Smart power strip |
| 01/05/2012 | DE102010025639A1 Absolut sichere Signalübertragung mit Hilfe von thermischem Rauschen Absolutely reliable signal transmission by means of thermal noise |
| 01/04/2012 | EP2403151A1 Device/power adapter assembly with data transmission by powerline communication PLC |
| 01/04/2012 | EP2402959A1 Flexible cable and transmission system |
| 01/04/2012 | EP2402830A1 Invention comprising measurement and control system for a number of converters |
| 01/04/2012 | EP2401835A1 System and method for securely communicating with electronic meters |