Patents for H04L 25 - Baseband systems (55,083)
05/2001
05/02/2001EP1095463A1 Suppression of rfi and impulse noise in communications channels
05/02/2001EP0890109B1 Process for testing and ensuring the availability of a networked system
05/02/2001CN1293852A Automatic speed detection for asynchronous serial communications
05/02/2001CN1293814A Adpative equalizing circuit
05/02/2001CN1293789A Data carrier provided with at least two decoding stages
05/02/2001CN1293495A Output driver with circuit capable of proceeding current modification at intermediate potential change
05/02/2001CN1065387C Circuit for democulating detection signal using average amplitude of detection signal
05/01/2001US6226338 Multiple channel data communication buffer with single transmit and receive memories
05/01/2001US6226334 Methods and apparatus for implementing shell mapping techniques in the context of a PCM-based modem communication system
05/01/2001US6226333 QAM de-mapping circuit
05/01/2001US6226332 Multi-pair transceiver decoder system with low computation slicer
05/01/2001US6226331 Data access arrangement for a digital subscriber line
05/01/2001US6226323 Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component
05/01/2001US6226318 Detection of code vectors in single frequency, multiple transmitter networks
05/01/2001US6225927 Analog isolation system with digital communication across a capacitive barrier
05/01/2001US6225924 Transmission coding method and device
05/01/2001US6225832 Signal regeneration circuit
05/01/2001US6225819 Transmission line impedance matching output buffer
05/01/2001CA2180311C Soft-decision receiver and decoder for digital communication
04/2001
04/26/2001WO2001030039A1 Wireless parallel communications system and method therefor
04/26/2001WO2001030038A1 System for setting transmission protocol based on detected baud rate
04/26/2001WO2001030029A2 Method for the transmission of signals in a bus system, superposed on a direct supply voltage
04/26/2001WO2001030011A1 An adaptive digital beamforming receiver to improve signal reception
04/26/2001WO2001029999A1 Methods and systems for robust frame type protection in systems employing variable bit rates
04/26/2001WO2001029987A1 AN ADAPTIVE DIGITAL BEAMFORMING RECEIVER WITH π/2 PHASE SHIFT TO IMPROVE SIGNAL RECEPTION
04/26/2001US20010000428 Termination resistance independent system for impedance matching in high speed input-output chip interfacing
04/26/2001DE19950361A1 Signal converter with dynamically adjustable reference voltage e.g. for computer systems, uses controlled reference voltage generator for converting the adjustable reference voltage in first potential for application by input circuit
04/26/2001DE10051490A1 Entscheidungsrückgekoppelter Entzerrer A decision feedback equalizer
04/26/2001DE10033124A1 Microcomputer for asynchronous serial communication, has forwarding and sampling clock generators which set up preset clock pulse rate and sampling rate at which asynchronous serial data are forwarded and sampled
04/26/2001CA2387594A1 Wireless parallel communications system and method therefor
04/25/2001EP1094396A2 Bus system suitable for increasing transmission speed
04/25/2001EP0777876A4 Method and apparatus for synchronized transmission of data between a network adaptor and multiple transmission channels
04/25/2001CN1292955A Apparatus and method for improved connectivity in wireless optical communication systems
04/25/2001CN1292949A Digital signal modulation system
04/25/2001CN1292530A Dynamic latch receiver with automatic reset pointer
04/25/2001CN1065096C Method and apparatus for detecting bit rate in variable bit rate communication
04/25/2001CN1065084C Double-way voltage changer
04/24/2001US6223132 Circuit arrangement having a sensor and an evaluation circuit
04/24/2001US6222922 Loop current monitor circuitry and method for a communication system
04/24/2001US6222891 Timing recovery using the pilot signal in high definition TV
04/24/2001US6222890 Variable spectral shaping method for PCM modems
04/24/2001US6222879 Self contained equalization method and apparatus
04/24/2001US6222832 Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
04/24/2001US6222592 TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom
04/24/2001CA2164963C Pacemaker telemetry system
04/24/2001CA2058387C Method and circuit for regenerating the binary bit stream from a ternary signal
04/19/2001WO2001028178A1 Method for determing a trellis path using a reference matrix
04/19/2001WO2001028175A1 Automatic output drive level control in home networking transceiver
04/19/2001WO2001028174A1 Reduced state sequence estimation signal detection method
04/19/2001WO2001028135A1 Optical receiver
04/19/2001WO2001028121A2 Spread-spectrum modem with saw resonator and pulse shaping
04/18/2001EP1092304A1 Symbol estimation using soft-output algorithm and feedback
04/18/2001EP1092303A1 Nyquist filter and method
04/18/2001EP1092280A1 An equalizer with channel tracker switching
04/18/2001EP0800735B1 Adaptive equalization for priv transmission systems
04/18/2001CN1292191A Receiving system for OFDM
04/18/2001CN1292188A Dynamic frame size setting for multichannel transmission
04/18/2001CN1292184A Impedance modulation signalling
04/18/2001CA2322596A1 Precursor decision feedback equalizer (pdfe)
04/17/2001US6219789 Microprocessor with coprocessing capabilities for secure transactions and quick clearing capabilities
04/17/2001US6219388 Digital data demodulating device for estimating channel impulse response
04/17/2001US6219380 Pulse position modulation based transceiver architecture with fast acquisition slot-locked-loop
04/17/2001US6219378 Digital subscriber line modem initialization
04/17/2001US6219374 Structure of a coherent dual channel QPSK transceiver using pilot symbols in a code division multiple access system
04/17/2001US6219334 Receiving apparatus for receiving orthogonal frequency division multiplexing signal and receiving method thereof
04/17/2001US6219088 NTSC interference rejection filter
04/17/2001US6218882 Diode circuit for clamping the signals on a transmission line to a predetermined potential
04/17/2001US6218872 Line driver with output impedance synthesis
04/17/2001US6218854 Data line termination circuits and integrated circuit devices including attenuation circuit and charge/discharge circuit
04/12/2001WO2001026318A2 Demodulator circuit for demapping a multi-carrier signal using channel state information
04/12/2001WO2001026314A2 Method for channel equalisation by means of givens rotation of a data matrix
04/12/2001WO2001026261A2 Data transmission method with and without reference signal transmission
04/12/2001WO2001026260A1 Method and apparatus for comparator tree structure for fast acquisition of offsets induced in a wireless receiver
04/12/2001WO2001025803A1 Magnetic digital signal coupler monitor
04/12/2001WO2000074329A8 Methods for estimating propagation delays for a transmission system
04/12/2001US20010000219 Demodulator for a multi-pair gigabit transceiver
04/12/2001DE19946776A1 Verfahren und Vorrichtung zu bidirektionalen Kommunikation wenigstens zweier Kommunikationsteilnehmer Method and apparatus for bi-directional communication of at least two communication participants
04/12/2001DE19935437C1 Laufzeitausgleich für einen Invers-Multiplexer Delay compensation for an inverse multiplexer
04/12/2001DE10031943A1 Bitraten-unabhängiger optischer Empfänger und Verfahren dafür Bit-rate-independent optical receiver and method therefor
04/11/2001EP1091533A1 A method and device for channel estimation in a mobile communication system, particularly in a mobile phone
04/11/2001EP1090489A1 Method for transmitting digital data via a transmission channel subject to perturbations occurring in bursts
04/11/2001EP1090475A1 Synchronisation arrangement for equipment connected to the public telephone network
04/11/2001EP1062444A4 Improved flexible wedge gate valve
04/11/2001EP0721622A4 Method, digital signal processing module and system for efficiently selecting a pre-emphasis filter during line probing
04/10/2001US6216107 High-performance half-rate encoding apparatus and method for a TDM system
04/10/2001US6215855 Loop certification and measurement for ADSL
04/10/2001US6215833 Digital signal processing circuit
04/10/2001US6215832 Maximum likelihood sequence estimation receiver and method of receiving maximum-likelihood sequence estimates
04/10/2001US6215826 Method of coding signal for digital optical communication having spectrum which attains zero level at prescribed frequency
04/10/2001US6215821 Communication system using an intersource coding technique
04/10/2001US6215818 Method and apparatus for operating an adaptive decision feedback equalizer
04/10/2001US6215817 Serial interface device
04/10/2001US6215816 Physical layer interface device
04/10/2001US6215798 Multi-frame synchronization for parallel channel transmissions
04/10/2001US6215785 Method and apparatus for communicating across ADSL lines
04/10/2001US6215778 Bearer channel modification system for a code division multiple access (CDMA) communication system
04/10/2001US6215344 Data transmission circuit
04/10/2001US6215339 Input buffer circuit
04/10/2001US6213879 Data transmission system and game system with game peripherals using same
04/05/2001WO2001024537A2 Method and apparatus for peak tracking a baseband signal