Patents for H04L 25 - Baseband systems (55,083)
05/1994
05/31/1994US5317215 Method and apparatus for frequency discriminating computer network signals
05/26/1994WO1994011977A1 Contactless slip ring signal coupler
05/25/1994EP0598655A1 Training sequence for channel estimation and corresponding estimation apparatus
05/25/1994EP0598007A1 Method of communication.
05/24/1994US5315590 Selectable repeater port reconnection method and apparatus
05/24/1994US5315299 Multiplex data communicating apparatus applicable to automotive vehicle
05/24/1994US5315175 Quasi-differential bus
05/24/1994CA2027495C Procedure and apparatus for amplification of a burst signal
05/24/1994CA1329836C Code violation detection circuit for use in ami signal transmission
05/19/1994CA2103295A1 Training sequence for estimating a transmission channel and estimation device therefore
05/18/1994EP0597633A1 Burst mode digital data receiver
05/18/1994EP0597632A1 Packet mode digital data receiver
05/18/1994EP0597583A1 Serial bus between integrated circuits
05/18/1994EP0597443A1 Modulating method, modulating device and demodulating device
05/18/1994EP0597317A1 Channel impulse response estimator for a viterbi equalizer
05/18/1994EP0597027A1 Apparatus and method for controlling transmitted power of a modem
05/18/1994EP0596904A1 Device and method for combining precoding with symbol-rate spectral shaping
05/17/1994US5313501 Method and apparatus for deskewing digital data
05/17/1994US5313496 Digital demodulator circuit
05/17/1994US5313495 Demodulator for symbols transmitted over a cellular channel
05/17/1994US5313494 Compact superposed modulated signal generator
05/17/1994CA2022029C Automatic system for adjusting the output impedance of fast cmos drivers
05/17/1994CA1329643C Instrument for measuring the phase jitter of analog signals
05/17/1994CA1329642C Arrangement for combating intersymbol interference and noise
05/14/1994CA2106439A1 Burst mode digital data receiver
05/11/1994WO1994010779A1 Multi-mode signal processing
05/11/1994EP0596736A1 Split channel data transmission
05/11/1994EP0596694A1 Ethernet repeater
05/11/1994EP0596523A2 High speed data transfer over twisted pair cabling
05/11/1994EP0595985A1 "van" system with additional access protocol for open circuit conditions
05/10/1994US5311559 Apparatus for correcting waveform distortion
05/10/1994US5311554 Synchronized offset extraction in a data receiver
05/10/1994US5311547 Partial-response-channel precoding
05/10/1994US5311546 Carrier phase recovery for an adaptive equalizer
05/10/1994US5311516 Paging system using message fragmentation to redistribute traffic
05/10/1994US5311508 Apparatus for receiving and decoding a serial data packet containing the status of a network of single point I/O devices
05/10/1994US5311503 Terminal apparatus for full-duplex data transmission having an echo canceller
05/10/1994US5311376 Information detecting system
05/10/1994US5311182 Method and apparatus for regenerating a distorted binary signal stream
05/10/1994US5311081 Electronic system
05/10/1994CA2011970C Timing extraction method and communication system
05/07/1994CA2101860A1 High speed data transfer over twisted pair cabling
05/05/1994DE4236626A1 Binary signal filtering process - reproducing transmitted binary data signals accurately by suppressing short interference pulses
05/04/1994EP0595781A2 Multi-mode signal processing
05/04/1994EP0595454A2 Disk drive using PRML class IV sampling data detection with digital adaptive equalization
05/04/1994EP0595034A1 Differentially coded and guard pulse position modulation for communication networks
05/03/1994US5309482 Receiver having an adjustable matched filter
05/03/1994US5309481 Apparatus for adjusting signal points, equalizer coefficients and the like
05/03/1994US5309033 Circuit arrangement which compensates for pulse-duration changes in a binary signal
05/03/1994CA2102075A1 Ethernet repeater
05/03/1994CA2029598C Diversity receiver
04/1994
04/28/1994WO1994009583A1 Emi suppression coding
04/28/1994WO1994009582A1 Bidirectional demodulation method and apparatus
04/28/1994WO1994009578A1 An apparatus for transferring information from a first to a second electronic unit
04/27/1994EP0594551A1 Bidirectional demodulation method and apparatus
04/27/1994EP0594402A2 Apparatus for and method of clock timing recovery in a receiver
04/27/1994EP0594246A1 Data processing circuit
04/27/1994EP0386148B1 Apparatus and method for identification of message initiation in a process control network
04/27/1994CN1024383C Method of compensating for non-linearities in end amplifier incorporated in radio transmitter
04/26/1994US5307376 Device for the coherent demodulation of time-frequency interlaced digital data, with estimation of the frequency response of the transmission channel and threshold, and corresponsing transmitter
04/26/1994US5307374 Digital receiver with reduced memory requirement for Viterbi equalization
04/26/1994US5307196 Optical receiver
04/21/1994DE4311656C1 Adapting channel response for mobile communications receiver - using least mean square algorithm for correcting estimated channel response for each sector of received signal burst
04/21/1994DE4311655C1 Channel response adaption procedure in mobile communications receiver - using recursive adaption algorithm to correct initial estimated channel response coeffts.
04/20/1994EP0593404A1 Multi-processor Viterbi decoder for digital cellular base stations using pipeline processing
04/20/1994EP0593208A1 Optical communication system
04/20/1994EP0593186A1 Channel equaliser for a telecommunication system
04/20/1994CN1085708A Process and device for the digitized transmission of signals
04/19/1994US5304996 8B/10B encoder providing one of pair of noncomplementary, opposite disparity codes responsive to running disparity and selected commands
04/19/1994US5304858 Apparatus for maintaining a low power loss within an input stage for digital signals
04/19/1994US5304856 Article comprising a balanced driver circuit with less power dissipation than conventional circuit
04/14/1994WO1994008416A1 Configuration for transmitting binary signals over a signal line
04/14/1994DE4234402A1 Anordnung zum Übertragen von Binärsignalen über eine Signalleitung Arrangement for transmitting binary signals via a signal line
04/14/1994CA2108238A1 Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution
04/13/1994EP0474710B1 Process for analog transmission or storage of digital data
04/13/1994EP0345282B1 Spectrally efficient digital modulation method and apparatus
04/12/1994US5303420 Circuit for stabilizing the bias of a paging receiver with power saving functions
04/12/1994US5303416 Method and apparatus for adjusting peak and valley acquisition rates of a signal received by a radio communication device
04/12/1994US5303348 Method of arbitrating access to a data bus and apparatus therefor
04/12/1994US5303266 Multimedia high speed network
04/12/1994US5303265 Frequency independent encoding technique and apparatus for digital communications
04/12/1994US5303264 Adaptive equalizer using recursive least-squares algorithm and method therefor
04/12/1994US5303263 Transmission channel characteristic equalizer
04/12/1994US5303261 High-throughput pipelined communication channel for interruptible data transmission
04/12/1994US5303226 Reception of TDMA digital data signal with compensation for channel variations
04/05/1994US5301187 System for implementing broadband audio program telephony circuits using 2B1Q technology
03/1994
03/31/1994WO1994007311A1 Adaptative equalizing receiver and maximum likelihood sequence estimation receiver
03/31/1994DE4219790A1 Pulse forming module for data word pulse sequence - uses flank generator providing rounded rectangular pulses with given pulse flank gradient
03/30/1994EP0589768A1 Filter apparatus for sequence estimation equaliser
03/30/1994EP0589217A1 Serial line synchronization method and apparatus
03/29/1994US5299306 Apparatus for simultaneously coupling computer video signals to a local color monitor and a distant monochrome monitor
03/29/1994US5299230 Digital data transmission system with predistortion of transmitted pulses
03/29/1994US5299200 Adaptive interface that automatically adjusts for timing skews caused by signal delays
03/29/1994US5299191 Method and a system of control of asynchronous time communication outputs
03/29/1994US5298897 Method and apparatus for decoding two frequency (f/sf) data signals
03/29/1994US5297869 Apparatus and method for synchronizing a digital data clock in a receiver with a digital data clock in a transmitter
03/29/1994CA1328130C Scrambling in digital communications network
03/26/1994CA2106702A1 Filtering device for a sequence estimation equalizer
03/23/1994EP0588783A2 Line equaliser
03/23/1994EP0588554A2 Signal transmitting method and signal transmitting circuit