Patents for H04B 3 - Line transmission systems (31,523) |
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04/16/2014 | EP2720381A2 Network isolation system |
04/16/2014 | EP2720380A2 Power line communication (PLC) coupling through an external power supply |
04/16/2014 | CN203554477U Mounting and regulating mechanism for relays |
04/16/2014 | CN203554466U power line information monitoring device |
04/16/2014 | CN203554439U Carrier wave emission circuit for power line carrier communication |
04/16/2014 | CN203554438U A power line carrier communication real-time clock circuit |
04/16/2014 | CN203554437U An electric power transmission micropower distribution system |
04/16/2014 | CN203554436U Conducted interference isolation circuit for low-voltage circuit line carrier communication |
04/16/2014 | CN203553525U Socket assembly with power modem function |
04/16/2014 | CN203552453U Dual-mode communication chip |
04/16/2014 | CN103733569A A control method in a network |
04/16/2014 | CN103733530A 分支器 Splitter |
04/16/2014 | CN103733529A Power line communication modem, power line communication system and power line communication method |
04/16/2014 | CN103731249A Digital communication method and device for improving intelligent power grid communication reliability |
04/16/2014 | CN103731183A Underwater unit circuit of shipborne remote communication system based on alternating-current 500v power line carrier |
04/16/2014 | CN103731182A Method and system for real-time monitoring of power line carrier communication |
04/16/2014 | CN102474307B Impedance stabilization device |
04/16/2014 | CN102201969B Broadband power control method, network management equipment and digital subscriber line network system |
04/16/2014 | CN102006101B Power line carrier communication module |
04/15/2014 | US8700920 System and method for content protection on a computing device |
04/15/2014 | US8699942 Methods and arrangements for determining radio characteristics of a radio link |
04/15/2014 | US8699625 Generalized OFDM (GOFDM) for ultra-high-speed serial optical transport networks |
04/15/2014 | US8699586 Powerline control interface in CENELEC (EU) A-D bands frequency and amplitude modulation transmitter |
04/15/2014 | US8699585 Transmitters for loop-back adaptive pre-emphasis data transmission |
04/15/2014 | US8699555 Adaptive equalizer |
04/15/2014 | US8699552 Mechanism for measuring transmitter impairments using offset local oscillators |
04/15/2014 | US8699547 Multiple-input Multiple-output (MIMO) with relay nodes |
04/15/2014 | US8698579 Multi-phase EMI noise separator |
04/15/2014 | US8698573 Impedance stabilization device |
04/15/2014 | US8698572 Delay line calibration |
04/15/2014 | US8698571 Circuit for improving the immunity performance of a vehicle network |
04/15/2014 | US8698357 Multiple power supply device |
04/15/2014 | CA2673634C Method of determining a channel quality and modem |
04/15/2014 | CA2632522C Acoustic wave generating apparatus and method |
04/15/2014 | CA2599895C Dsl state and line profile control |
04/10/2014 | WO2014055792A1 Real identity authentication |
04/10/2014 | WO2014054043A1 Hybrid precoder |
04/10/2014 | US20140098971 System and Method for Directional Sound Transmission with a Linear Array of Exponentially Spaced Loudspeakers |
04/10/2014 | DE112012003060T5 Stromleitungskommunikationssystem und Transmitter A powerline communication system and transmitter |
04/10/2014 | DE112011105345T5 Ausgleichsvorrichtung und Ausgleichsverfahren Equalizer and equalization method |
04/09/2014 | EP2717517A1 Network for detecting the presence of persons with a plurality of house installation/building system devices |
04/09/2014 | EP2717487A1 Method and apparatus for providing electrical power to a broadband digital subscriber line access |
04/09/2014 | EP2717486A1 A device and method for detecting presence of a surge protection on a digital subscriber line |
04/09/2014 | EP2717485A1 Signal processing method, device and system |
04/09/2014 | EP2717484A1 Method and system for implementing optical label |
04/09/2014 | EP2715949A1 Mobile phone as a one-way recorded transmitter over a cellular network |
04/09/2014 | CN203537384U A direct current power supply outgoing line data transmission apparatus employing a direct modulation mode |
04/09/2014 | CN203535793U Power communication device based on spread spectrum mode |
04/09/2014 | CN203535791U Carrier wave communication unit under intelligent power grid environment |
04/09/2014 | CN103718534A Dynamic medium switch in co-located plc and RF networks |
04/09/2014 | CN103718471A Data transmission device, railway vehicle junction unit and rail vehicle combination |
04/09/2014 | CN103716294A Low voltage power line spread spectrum communication protocol based on random address time scale |
04/09/2014 | CN103716275A Method for eliminating pulse interference in power line orthogonal frequency division multiplexing communication system |
04/09/2014 | CN102308488B Illumination assembly |
04/09/2014 | CN102257770B Communication method and communication device |
04/09/2014 | CN102158256B Exception handling method during coaxial cable communication in spraying room |
04/08/2014 | US8693997 Visual ARS service system and method enabled by mobile terminal's call control function |
04/08/2014 | US8693972 Down-conversion of multiple RF channels |
04/08/2014 | US8693945 System and method for detecting and measuring uplink traffic in signal repeating systems |
04/08/2014 | US8693898 Adaptive equalizer, optical receiver, and tap coefficient correcting method |
04/08/2014 | US8693698 Method and apparatus to reduce non-linear distortion in mobile computing devices |
04/08/2014 | US8693677 Techniques for updating filter coefficients of an adaptive filter |
04/08/2014 | US8693676 Power efficiency of a line driver |
04/08/2014 | US8693646 Packet based network exchange with rate synchronization |
04/08/2014 | US8693555 Communication system |
04/08/2014 | US8693554 Capacitive communication circuit and method therefor |
04/08/2014 | US8693529 Method for enabling a device under test (DUT) to retry a portion of a pre-defined test sequence |
04/08/2014 | US8693527 Relay apparatus and relay method |
04/08/2014 | US8693492 Quality of service half-duplex media access controller |
04/08/2014 | US8693395 Apparatus and method for controlling operation state of physical layer |
04/08/2014 | US8692407 Power line transmission apparatus without public power system noise interference and method thereof |
04/03/2014 | WO2014052660A1 Channel reuse among communication networks sharing a communication channel |
04/03/2014 | WO2014052190A1 System and method for ground fault detection in a transformer isolated communication channel of a network device |
04/03/2014 | WO2014052122A1 Pulse-based binary communication |
04/03/2014 | WO2014052121A1 Transient power communication |
04/03/2014 | WO2014049932A1 Communication system |
04/03/2014 | WO2014048269A1 Communication circuit for automatically performing transceiving control on rs485 |
04/03/2014 | US20140093067 Method, apparatus, and system for reducing line-to-line crosstalk during transmission of digital subscriber line service |
04/03/2014 | US20140093057 Outlet add-on module |
04/03/2014 | US20140093001 Communication system, communication device, and method for operating communication system |
04/03/2014 | US20140093000 Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication system |
04/03/2014 | US20140092949 Method and System for Diagnosing Radio Performance During Functional Over-the-Air Operation |
04/03/2014 | US20140092943 Method for using power lines for wireless communication |
04/03/2014 | US20140091874 Composite Electromagnetic Isolation Filters |
04/02/2014 | CN203522789U Power network switch |
04/02/2014 | CN203522779U Low-voltage DC power line bus communication system |
04/02/2014 | CN203522767U Regulating mechanism of repeater with two-stage regulation |
04/02/2014 | CN203522735U Power line communication network filtering system and power line communication network |
04/02/2014 | CN203522734U Multi-network-port power modem |
04/02/2014 | CN203522325U Generating set remote control system using power line to transmit information |
04/02/2014 | CN103703749A Dynamic improvement of link symmetry in co-located plc and rf networks |
04/02/2014 | CN103703693A Mobile phone as a one-way recorded transmitter over a cellular network |
04/02/2014 | CN103703647A Power line communication device, solar power generation system, power line communication method, and power line communication program |
04/02/2014 | CN103701499A Route displaying method, device and equipment of low-voltage power-line carrier communication system |
04/02/2014 | CN103701498A Power line carrier communication signal processing method and device |
04/02/2014 | CN103701497A Deck unit circuit of AC (Alternating Current) 500v power line carrier shipborne remote communication system |
04/02/2014 | CN103701496A Power line carrier equipment and online upgrading method thereof |
04/02/2014 | CN103701495A Household appliance equipment and household appliance system |
04/02/2014 | CN103701494A Elevator PLC (Programmable Logic Controller) transmission system and method supporting continuous power failure transmission |
04/02/2014 | CN103701493A Realizing method for single-ended power supply of submarine cable transmission system with repeater through monopolar cable |