Patents for H04B 3 - Line transmission systems (31,523) |
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08/21/2008 | US20080201125 System and Method For Automatic Selection Of Transmission Line Macromodels |
08/21/2008 | US20080200128 Twisted Pair Communication System, Apparatus and Method Thereof |
08/21/2008 | US20080199021 Method and Apparatus For Providing Ip Datacasting Service in Digital Audio Broadcasting System |
08/21/2008 | US20080199020 Speaker apparatus, speaker driving apparatus and control method thereof |
08/21/2008 | US20080198940 System and method for data transmission between a transmitter and a receiver across a transmission line |
08/21/2008 | US20080198912 Equalizing Filter Circuit |
08/21/2008 | US20080198909 Efficient multiple input multiple output signal processing method and apparatus |
08/21/2008 | US20080198779 Multi-channel communication device and methods for reducing echoes by inserting a training sequence under a spectral mask |
08/21/2008 | US20080198778 Audio communication device and methods for reducing echoes by inserting a training sequence under a spectral mask |
08/21/2008 | DE102007006138A1 Device assembly plug connector for power supply board of electrically operated apparatus, particularly apparatus for handling vending operation, has two contact elements accommodated in housing |
08/20/2008 | EP1958342A1 System |
08/20/2008 | EP1958341A2 Echo detection |
08/20/2008 | EP1958328A1 Signal output circuit, communication apparatus and signal output control method |
08/20/2008 | CN101248589A Path change detector for echo cancellation |
08/20/2008 | CN101248588A Channel equalizer and method thereof and method for updating filter coefficient used for the sames |
08/20/2008 | CN101247143A Digital subscriber's loop test access device and method |
08/20/2008 | CN100412559C Chip testing method and relevant apparatus |
08/19/2008 | US7415541 Method and system for virtual powerline local area networks |
08/19/2008 | US7415117 System and method for beamforming using a microphone array |
08/19/2008 | US7415086 Multi-channel communication system for multiple input, multiple output processing of an encoded signal |
08/19/2008 | US7415073 Communication channel calibration for drift conditions |
08/19/2008 | US7415072 Drive control for an electric drive with a secure electrical separation of power element and control element |
08/19/2008 | US7415064 Transmit amplitude independent adaptive equalizer |
08/19/2008 | US7415063 Method to estimate noise in data |
08/19/2008 | US7414518 Power line communication device and method |
08/19/2008 | US7413471 Integrated connector for powerline network and power supply |
08/19/2008 | CA2348004C Fault conditions affecting high speed data services |
08/14/2008 | WO2008098202A2 Physical-layer testing of high-speed serial links in their mission environments |
08/14/2008 | WO2008097983A1 Temporary high speed data communication using non-traditionall communication media |
08/14/2008 | WO2008096422A1 Information transmitting means and method for preventing electromagnetic wave leakage |
08/14/2008 | WO2006020084A3 Parametric audio system for operation in a saturated air medium |
08/14/2008 | US20080194198 Data transfer circuit, data transfer apparatus, data transfer method, and control program |
08/14/2008 | US20080192952 Multichannel Wireless System |
08/14/2008 | US20080192950 Communication of audio control signals for wireless audio headphones |
08/14/2008 | US20080192946 Method and Device for Removing Echo in an Audio Signal |
08/14/2008 | US20080192945 Audio system and method |
08/14/2008 | US20080192944 Oscillation-Echo Preventing Circuit and Microphone/Speaker Unit |
08/14/2008 | US20080192942 Method and apparatus for conserving battery power |
08/14/2008 | US20080192814 System and Method for Physical-Layer Testing of High-Speed Serial Links in their Mission Environments |
08/14/2008 | US20080192671 Mobile Telecommunication |
08/14/2008 | DE202007017887U1 Verzerrungs- und Rauschunterdrückungssystem für HFC (Hybrid Fiber Coax)-Netzwerke Distortion and noise reduction system for HFC (Hybrid Fiber Coax) networks |
08/13/2008 | EP1956727A1 Plug-and-play network, digital image display apparatus, and image monitoring system |
08/13/2008 | EP1956726A1 Data transmission device for an aircraft |
08/13/2008 | EP1956725A1 Method for estimating crosstalk interferences in a communication network |
08/13/2008 | EP1955454A1 Power line communication system using hybrid-fiber coaxial and communication device used in the system |
08/13/2008 | EP1955445A1 Power line communication system and communication device used in the system |
08/13/2008 | EP1955161A2 Systems and methods for electricity metering |
08/13/2008 | EP1759467B1 Method and device for transmitting information through a power distribution network |
08/13/2008 | EP1391056B1 Fiberoptic coupling |
08/13/2008 | EP1366586B1 Jitter prevention in a digital communication network |
08/13/2008 | EP1181567A4 Detection of bridge tap using frequency domain analysis |
08/13/2008 | EP1180299B1 Apparatus and method for detecting far end speech |
08/13/2008 | CN101243615A Testing procedure for evaluating diffusion and leakage currents in insulators |
08/13/2008 | CN101242283A Local area network of serial intelligent cells |
08/13/2008 | CN100411300C Distortion compensator |
08/12/2008 | US7412208 Transmission system for transmitting RF signals, power and control signals via RF coaxial cables |
08/12/2008 | US7411999 Method for selecting and extracting an eye diagram opening for subsequent processing |
08/12/2008 | US7411480 Information processing apparatus, information processing control system, control method for information processing apparatus, control program for information processing apparatus recording medium on which control program for information processing apparatus is recorded |
08/12/2008 | US7410367 Next high frequency improvement by using frequency dependent effective capacitance |
08/12/2008 | CA2228831C Optical transmission system |
08/09/2008 | CA2633685A1 Non-intrusive signal quality assessment |
08/07/2008 | WO2008094082A1 Arrangement and method relating to digital subscribe lines |
08/07/2008 | WO2008093490A1 Communication path equalization device and method |
08/07/2008 | US20080187056 Hybrid circuit using resistor |
08/07/2008 | US20080187033 Displaying eye-diagram and digital diagnostic data using network analyzers |
08/07/2008 | US20080187032 Systems and methods for efficient channel classification |
08/07/2008 | US20080187031 Mobile terminal and method for measuring channel quality |
08/07/2008 | US20080186152 Haptic experience service method and system |
08/07/2008 | US20080185917 Selective phase coupler |
08/06/2008 | EP1952548A1 Method and apparatus for improving call quality |
08/06/2008 | EP1952206A2 Power line coupling device and method of using the same |
08/06/2008 | EP1303920B1 Method and apparatus for processing a modulated signal using an equalizer and a rake receiver |
08/06/2008 | EP1192788B1 Predicting performance of telephone lines for data services |
08/06/2008 | EP1103138B1 Device for digital processing with frequency filtering and reduced computation complexity |
08/06/2008 | CN101238646A Method for transmitting data between a pump unit and a control device, and an appropriately designed pump system |
08/06/2008 | CN101237255A Method for reducing the uplink intrusion noise of cable data system |
08/06/2008 | CN101236679A Communicating acousto-optic signal |
08/06/2008 | CN101236542A Method and apparatus to reduce EMI emissions over wide port SAS buses |
08/06/2008 | CN100409650C Method and system for classifying network connections |
08/06/2008 | CN100409602C Transmission method with frequency and time spread at transmitter level |
08/06/2008 | CN100409592C Method and apparatus employing wireless in-band signaling for downlink transmission of commands |
08/06/2008 | CN100409591C Method and apparatus for measuring far end interference in order to determine isoelectric level for end interference |
08/06/2008 | CN100409126C Comber controlling system with industrial bus |
08/05/2008 | US7408996 Method and apparatus for synchronization of data in a transformer circuit |
08/05/2008 | US7408995 High speed communication system with a feedback synchronization loop |
08/05/2008 | US7408994 AC coupling system for wide band digital data with dynamic AC load |
08/05/2008 | US7408993 Digital communication extender system and method |
08/05/2008 | US7408891 Echo canceller employing H-register and storage register |
08/05/2008 | US7408753 Surge-protected networking power strip |
08/05/2008 | US7408426 Method and device for transmission without crosstalk |
08/05/2008 | US7408424 Compact RF circuit with high common mode attenuation |
08/05/2008 | CA2362781C Network for telephony and data communication |
08/05/2008 | CA2307651C Echo canceller employing dual-h architecture having improved non-linear echo path detection |
08/05/2008 | CA2300837C Method and apparatus for echo estimation and suppression |
08/02/2008 | CA2576841A1 Selective phase coupler |
07/31/2008 | WO2008091556A1 Adaptive echo cancellation for an on-frequency rf repeater using a weighted power spectrum |
07/31/2008 | WO2008091403A1 System and method for calibrating phase and gain mismatches of an array microphone |
07/31/2008 | WO2008070432A3 Method and device for selectively activating a function thereof |
07/31/2008 | US20080181426 Wireless speaker system for use with ceiling fans |
07/31/2008 | US20080181425 Wireless speaker adapter |