Patents
Patents for H04B 3 - Line transmission systems (31,523)
01/2010
01/26/2010US7652444 Actuator and method for operating an actuator
01/26/2010US7652390 Network interface device communication via power line
01/22/2010CA2673162A1 Improved coupling of communications signals to a power line
01/21/2010WO2010007941A1 Transmission system
01/21/2010WO2009087954A3 Method, system, integrated circuit, communication module, and computer-readable medium for achieving resource sharing including space and time reuse within a power line communication system
01/21/2010US20100015914 Methods and equipment for performing channel aware relays in an enhanced relay cluster
01/21/2010US20100014598 Active components on an internal cable to improve signal integrity
01/21/2010US20100013761 Systems And Methods For Shifting Haptic Feedback Function Between Passive And Active Modes
01/21/2010US20100013612 Electro-Mechanical Systems for Enabling the Hearing Impaired and the Visually Impaired
01/21/2010US20100013611 Method and Apparatus for Informing a User of the Position of an Information Source Relative to the User Position
01/21/2010US20100013610 Portable vibrating device and method of use
01/21/2010US20100013579 Boosted cable for carrying high speed channels and methods for calibrating the same
01/21/2010US20100013570 Waveform equalizer
01/20/2010EP2146440A2 Method for sending and taking off a signal with digital data in the power distribution network of a building
01/20/2010EP1540820B1 Method and apparatus for channel equalization
01/20/2010CN101632245A Receiving device for visible light communication, and visible light communication system
01/20/2010CN100583852C Software definable block adaptive decision feedback equalizer
01/20/2010CN100582795C Bus parameter correcting method and system
01/20/2010CN100582648C Method and arrangement for estimation of line properties
01/19/2010US7650130 Spread spectrum isolator
01/19/2010US7649948 xDSL multistandard driver circuit
01/19/2010US7649856 System and method for transmitting and receiving wideband speech signals
01/17/2010CA2670486A1 Passive-active terminal adapter and method having automatic return loss control
01/14/2010WO2010006110A1 Intelligent power-enabled communications port
01/14/2010WO2010004448A1 Multichannel interfacing device having a balancing circuit
01/14/2010WO2010004445A1 Multiple-input and multiple-output amplifier having pseudo-differential inputs
01/14/2010WO2010004444A1 Multichannel interfacing device having a termination circuit
01/14/2010WO2010004442A1 Pseudo-differential receiving circuit
01/14/2010WO2010003215A1 Floating segmented shield cable assembly
01/14/2010DE102008050045A1 Method for transmission of control- and information data between transmission and receiving units via electrical power supply line in e.g. home area, involves assigning one and null as bit result, during positive/negative-integration result
01/13/2010EP2143244A2 Multiple input, multiple output (mimo) communication system over in-premises wires
01/13/2010EP1962437B1 Method and apparatus for crosstalk reduction on digital subscriber lines
01/13/2010CN201383810Y Low-voltage synchronous attenuation device for three-phase four-wire systems
01/12/2010US7646805 Digital broadcasting receiving terminal with reception quality indicator
01/12/2010US7646702 OFDM communication apparatus
01/12/2010CA2380322C High frequency network communications over various lines
01/12/2010CA2292135C Method and apparatus for filtering interference and nonlinear distortions
01/12/2010CA2232570C Underwater cable arrangements and devices
01/07/2010WO2010002553A1 Capacitive-coupled crosstalk cancelation
01/07/2010WO2010001508A1 Audio signal processor
01/07/2010WO2010001200A1 Fault management for a communication bus
01/07/2010WO2010001139A2 Method and apparatus for fault detection
01/07/2010US20100003033 Transmission of Audio Signals Via Fibre Optic
01/07/2010US20100002778 Data transfer system
01/07/2010US20100001877 Touch screen with sensory feedback
01/07/2010US20100001807 Method and apparatus for digital synthesis of long multi-cycle microwave pulses
01/07/2010US20100001806 Signal transmission lines
01/06/2010EP2141847A1 Splitterless multicarrier modem
01/06/2010EP2140640A1 Method for the robust synchronization of a multi-carrier receiver using filter banks and corresponding receiver and transceiver
01/06/2010EP2140564A1 Communication over a dc power line
01/06/2010EP1303923B1 Method and apparatus for load apportionment among physical interfaces in data routers
01/06/2010CN201378890Y Intelligent light controller
01/06/2010CN201378658Y Power line carrier communication socket
01/06/2010CN201378265Y Electric simulation digital switch device and system thereof
01/06/2010CN101622796A Communication system, communication device, communication terminal, and communication setting method
01/06/2010CN101621313A High-voltage power line carrier signal communication coupling method and device
01/06/2010CN101621312A Power line carrier communication chip established by utilizing singlechip
01/06/2010CN101621311A Echo cancellation balance using noise generator and average power detection
01/06/2010CN100579043C Network for telephony and data communication
01/06/2010CN100578410C Ocean towing linear array high-precision course heading control method
01/05/2010US7644199 Storage device system and signal transmission method for storage device system
01/05/2010US7643789 Multimedia data transfer for a personal communication device
01/05/2010US7643589 Combined channel coding and space-block coding in a multi-antenna arrangement
01/05/2010US7643545 Calibrating automatic test equipment to account for magnitude and phase offsets
01/05/2010US7643397 Phase-change optical recording media and optical recording-reproducing apparatus
12/2009
12/31/2009US20090328150 Progressive Pictorial & Motion Based CAPTCHAs
12/31/2009US20090323831 Digital video physical layer using a multi-level data code
12/31/2009US20090323830 Current mode circuitry to modulate a common mode voltage
12/31/2009US20090323829 Multi-Wideband Communications over Power Lines
12/31/2009US20090323828 Information processing apparatus and signal determination method
12/31/2009US20090323786 Method and apparatus for identifying and selecting proper cable connections
12/31/2009US20090323566 All-digital timing control for multi-channel full-duplex transceiver
12/31/2009US20090322496 Providing Haptic Feedback On A Touch Surface
12/31/2009US20090322441 Chip on film trace routing method for electrical magnetic interference reduction
12/31/2009DE102008029412A1 Method for monitoring connection of electronic element, particularly programmable logic controller open functional module, at hardware connection, involves receiving input signal over hardware connection
12/30/2009WO2009157384A1 Power line communication device
12/30/2009WO2009155854A1 Networking digital alarm clock, remote control method and signal synchronous transmission method
12/30/2009EP2137919A1 Methods and arrangements in a digital subscriber line network
12/30/2009EP2137831A1 Method and apparatus for providing electrical power to a broadband digital subscriber line access
12/30/2009CN201374845Y Intelligent LED road lamp control system
12/30/2009CN201374697Y Double-channel concentrator conforming to DLT 698 standard
12/30/2009CN201374696Y Embedded-type network terminal supporting power line communication
12/30/2009CN201374695Y Embedded low-voltage power line carrier communication module
12/30/2009CN101617478A Power line communication apparatus
12/30/2009CN100576765C Power-line carrier communication method
12/30/2009CN100576764C Installation for distributing digital signals
12/30/2009CN100576763C Method for equalizing mode selection and its device
12/30/2009CN100576138C System for controlling power and communication to devices through associated device port
12/29/2009US7639746 Hybrid voltage/current-mode transmission line driver
12/29/2009US7639745 Serial data link with automatic power down
12/29/2009US7639596 High speed multiple loop DSL system
12/29/2009US7639117 Access control system with energy-saving optical token presence sensor system
12/29/2009CA2398484C Pcm modem adaptation system utilizing a silence period
12/24/2009US20090316924 Accoustic echo cancellation and adaptive filters
12/24/2009US20090316923 Multichannel acoustic echo reduction
12/24/2009US20090316800 Low speed access to dram
12/24/2009US20090315689 Vibration assembly for portable electronic device
12/24/2009US20090315688 Method and system for processing audio signals for handset vibration
12/24/2009US20090315687 Method and apparatus for computer communication using audio signals
12/24/2009US20090315633 Design Structure, Structure and Method for Providing an On-Chip Variable Delay Transmission Line With Fixed Characteristic Impedance