Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
11/2010
11/25/2010US20100296590 Communication device and method for detecting broadcast wave to be performed by communication device
11/25/2010US20100296589 Information processing apparatus, encoding method and frame synchronization method
11/25/2010US20100296562 Data signal improvement using signal peak detectors in a receiver
11/25/2010US20100296458 Method of inserting cdma beacon pilots in output of distributed remote antenna nodes
11/25/2010DE102009022643A1 Method for data transmission in medical-technical devices, involves connecting device components with each other by transmission network, where device components are coupled with each other for power supply by two cables
11/25/2010DE102009022087A1 Breitbandverstärker Wideband amplifier
11/24/2010EP2253964A2 Method and apparatus for evaluating and optimizing a signaling system
11/24/2010CN201656989U Power line communication channel simulator
11/24/2010CN201656973U Medical sick room calling system
11/24/2010CN201656972U Electric complex voltage carrier communicating structure
11/24/2010CN201656971U ISDN coding and decoding coal mine underground remote-distance communication device based on power line carrier wave
11/24/2010CN201654893U Electronic electric energy meter with voice alarm and carrier communication
11/24/2010CN1540881B Mixed wired and wireless communicaton device and wired and wireless communicaton method
11/24/2010CN101897160A 通信装置及通信方法 A communication apparatus and communication method
11/24/2010CN101897137A Radio communication system, reception device, and reception method
11/24/2010CN101895382A Electric power communication synchronization network full synchronized evolution method by using Beidou two-way communication features
11/24/2010CN101895317A Communication device and method for detecting broadcast wave to be performed by communication device
11/24/2010CN101895316A Inter-pair skew adjustment
11/24/2010CN101895315A Ethernet channel deficiency reinforcing method and device
11/23/2010US7839993 Echo canceling arrangement
11/23/2010US7839938 Method and apparatus for cancellation of magnetizing inductance current in a transformer circuit
11/23/2010US7839831 Methods and apparatus for time tracking using assistance from TDM pilots in a communication network
11/23/2010US7839269 Method and apparatus for distributing haptic synchronous signals
11/20/2010CA2704091A1 Distributed network performance monitoring
11/18/2010WO2010131428A1 Communication cable
11/18/2010WO2010131305A1 Electric power line communication apparatus and electric power line communication system
11/18/2010WO2010131074A1 Tone relay system and method
11/18/2010WO2010130761A1 Noise suppression in a full-duplex audio communication terminal
11/18/2010US20100291880 RF Wireless Device Including an Infrared Beacon for Presence Detection
11/18/2010US20100291795 Method of improving isolation between circuits on a printed circuit board
11/18/2010US20100290638 Digital audio communication and control in a live performance venue
11/18/2010US20100290542 System for Providing Power and Data Transmission Between a Door and a Frame
11/18/2010US20100290541 Interface circuit
11/18/2010US20100290540 Interface circuit
11/18/2010US20100290539 Interface circuit
11/18/2010US20100290333 Method for enhancing ethernet channel impairment and apparatus using the same
11/18/2010US20100289523 Echo canceling arrangement
11/18/2010US20100289522 Signal transmitting device suited to fast signal transmission
11/18/2010US20100289478 Modeling and calibrating a three-port time-domain reflectometry system
11/18/2010US20100289343 Discharge cycle communication
11/17/2010EP2250801A1 Method and system for detecting non-linear devices
11/17/2010CN201639687U Internet-connected television internet surfing system
11/17/2010CN201639600U Intelligent low-voltage carrier networking equipment
11/17/2010CN201639597U Cabridge combined baseband EOC terminal
11/17/2010CN201639576U Power line carrier wave routing device
11/17/2010CN201639575U Special underground cable environment probe for well sites in oil field
11/17/2010CN201639574U Waveform display matching device of RF power supply
11/17/2010CN201639096U Network source flux converter
11/17/2010CN101888641A Data transmission method and data transmission system
11/17/2010CN101887631A Digital home security management system
11/16/2010US7835530 Systems and methods for determining sound of a moving object
11/16/2010US7835453 Differential transmitter circuit
11/16/2010US7835432 Measuring noise power at wireless receivers using pilot symbol information
11/16/2010US7835431 Systems and methods for loop length and bridged tap length determination of a transmission line
11/16/2010US7835430 Multicarrier modulation messaging for frequency domain received idle channel noise information
11/16/2010US7835407 Voice and data exchange over a packet based network with DTMF
11/16/2010US7835311 Voice-activity detection based on far-end and near-end statistics
11/16/2010US7835289 Methods for managing a multi data type communication link
11/16/2010US7834865 Rotary actuator
11/16/2010US7834638 Differential transmission circuit, disk array apparatus, and output signal setting method
11/11/2010WO2010127510A1 Method, equipment and system for managing lines between access device at central office end and terminal devices
11/11/2010US20100287595 Method and device for detecting an unoccupied transmission channel in a multi-media transmission system
11/11/2010US20100284474 Transmitter channel throughput in an information network
11/11/2010US20100284453 Method and modem for subsea power line communication
11/11/2010US20100284446 Method and Apparatus for MIMO Repeater Chains in a Wireless Communication Network
11/11/2010US20100284445 Inserted pilot construction for an echo cancellation repeater
11/11/2010US20100284323 Highly integrated very small aperture terminal (vsat) apparatus and method
11/11/2010DE10211235B4 Verfahren zur Generierung einer Frequency Hopping Frequenzfolge Method for generating a frequency hopping frequency sequence
11/10/2010EP2249485A2 Method for determining a data transfer rate
11/10/2010EP2248332A1 Test apparatus
11/10/2010EP2248303A2 Communication device for household electric appliances and monitoring system using said device
11/10/2010EP1683317B1 Multicarrier communication method, system and apparatus
11/10/2010CN201628107U LED lighting device
11/10/2010CN101373906B Test control module for power distribution network carrier communication
11/10/2010CN101170321B Ethernet transmission device
11/10/2010CN101087320B Improved method and apparatus for detecting echo path changes in an acoustic echo canceller
11/10/2010CN101047405B Method and apparatus for identifying crosstalk sources
11/09/2010US7831229 FM receiver with digitally controlled antenna tuning circuitry
11/09/2010US7830998 Approximate linear FM synchronization symbols for a bandwidth configurable OFDM modem
11/09/2010US7830956 Method and system for processing a sampled signal
11/09/2010US7830858 Local area network of serial intelligent cells
11/09/2010US7830152 System and method for enhanced accuracy in cable diagnostics of cable length
11/04/2010WO2010126467A1 Method and apparatus for input cable length indication for sdi signals
11/04/2010WO2010126005A1 Communication network
11/04/2010WO2010085938A3 Modem for transmitting data over a power supply network
11/04/2010US20100281323 Control and data channels for advanced relay operation
11/04/2010US20100279601 Identification of Relay Base Stations in Wireless Networks
11/04/2010US20100279600 Relay network and entity for continuous transmission based on superposition coding
11/04/2010US20100278512 Node structure for representing tactile information, and method and system for transmitting tactile information using the same
11/04/2010US20100278351 Methods and systems for reducing acoustic echoes in multichannel communication systems by reducing the dimensionality of the space of impulse resopnses
11/04/2010US20100278328 Systems and methods for selecting tones for far-end cross talk mitigation
11/04/2010US20100278225 Method for determining modulation and coding scheme
11/04/2010US20100278067 Selectively adaptable far-end echo cancellation in a packet voice system
11/03/2010EP2043301B1 Wireless LAN system
11/03/2010CN201623706U Low-voltage power line carrier communication module
11/03/2010CN201623705U Power line modem, network connection device and network equipment
11/03/2010CN1809974B Capacitor-related systems for addressing package/motherboard resonance
11/03/2010CN1674458B Testing method for digital user line and local side wideband equipment
11/03/2010CN101878637A A method and arrangement for echo cancellation of voice signals
11/03/2010CN101878618A Communication device, communication system, and communication method
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