Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
07/1995
07/04/1995US5430765 Digital data receiver having DC offset cancelling preamplifier and dual-mode transimpedance amplifier
07/04/1995US5430762 Computer network
07/04/1995US5430744 Method and means for detecting partial response waveforms using a modified dynamic programming heuristic
07/04/1995US5430733 Digital transmission system for multiplexing and demultiplexing signals
07/04/1995US5430712 Equalizing method and apparatus
07/04/1995US5430661 Adaptive decision feedback equalizer apparatus for processing information stored on digital storage media
07/04/1995US5430396 Backplane bus for differential signals
06/1995
06/29/1995DE4426841A1 Rapid signal transmission system between digital circuits, e.g. between CPU and memory arrangement, e.g. integrated memory circuit
06/28/1995EP0660543A2 System and method of adaptive maximum likelihood sequence estimation
06/28/1995EP0660534A2 Error correction systems with modified viterbi decoding
06/28/1995EP0659314A1 Encoding data
06/28/1995EP0659312A1 Decision feedback equalizer method and apparatus
06/28/1995EP0413707B1 Time domain radio transmission system
06/27/1995US5428818 Method and apparatus for reducing interference in a radio communication link of a cellular communication system
06/27/1995US5428649 Elastic buffer with bidirectional phase detector
06/27/1995US5428644 Adaptive detection method and detector for quantized signals
06/27/1995US5428643 Method of, and transmitter for, transmitting a digital signal
06/27/1995US5428642 Power Amplifier
06/22/1995WO1995017052A1 Adaptive equalizer
06/22/1995DE4445823A1 Transmitter for mobile satellite communications data station
06/21/1995EP0659007A2 System and method for communicating with digital and analog devices via a single digital interface
06/21/1995EP0659001A2 Parallel data transmission system using specific pattern for synchronisation
06/21/1995EP0659000A2 Threshold setting and decision circuit
06/21/1995EP0658258A1 Network interface.
06/20/1995US5426671 Transmission system comprising receiver with improved timing means
06/20/1995US5426644 Parallel code transmission method and apparatus of the same
06/20/1995US5426389 System for DC restoration of serially transmitted binary signals
06/15/1995WO1995016316A1 Optimization of transmitted pulse shape and receiver timing in digital system
06/15/1995WO1995016289A1 Circuit card with low profile detachable interface
06/15/1995CA2176584A1 Circuit card with low profile detachable interface
06/14/1995EP0465533B1 Error correction for infrared data communication
06/14/1995DE4434723C1 Adaptive network for digital transmission system
06/13/1995US5425061 Method and apparatus for bit stream synchronization
06/13/1995US5425056 Method and apparatus for generating threshold levels in a radio communication device for receiving four-level signals
06/13/1995US5425054 Surrounding circuit for the ethernet coaxial local area newtwork transceiver
06/13/1995US5425053 Radio communication apparatus which can quickly recover from misjudgement of levels of a multilevel modulated signal
06/13/1995US5425037 Data transmission apparatus
06/13/1995US5425033 Detection of errors in a digital transmission system
06/13/1995US5425020 Skew measurement for receiving frame-groups
06/13/1995US5424710 Power coupler for coupling power from a transmission line to a node thereon
06/13/1995US5424662 Differential current mode driver circuit with low common-mode noise
06/13/1995US5424657 Method and apparatus for implementing a common mode level shift in a bus transceiver incorporating a high speed binary data transfer mode with a ternary control transfer mode
06/08/1995WO1995015641A1 Network interface controller
06/08/1995WO1995015631A1 Data phase alignment circuitry
06/08/1995WO1995015616A1 Signalling system
06/08/1995CA2177265A1 Data phase alignment circuitry
06/07/1995EP0656713A1 Phase offset estimation for PSK receiver
06/07/1995EP0656712A1 Viterbi equaliser using variable length tracebacks
06/07/1995EP0656700A1 Optical system for transmitting a multilevel signal
06/07/1995EP0656694A2 Equalizer with line length detection
06/06/1995US5422919 EMI suppression coding
06/06/1995US5422894 Method for decoding data
06/06/1995US5422760 Disk drive method using zoned data recording and PRML sampling data detection with digital adaptive equalization
06/06/1995US5422606 Automatic equalizer
06/06/1995CA2023178C Wideband digital equalizers for subscriber loops
06/01/1995WO1995015034A1 Device for estimating soft judgement value and device for estimating maximum likelihood system
06/01/1995DE4340637A1 HDB3 code violation detection circuit
06/01/1995DE4340330A1 Digital data transmission scrambler circuitry
06/01/1995DE4193233C2 Einrichtung und Verfahren zur Gleichstromversatz-Korrektur für einen Empfänger Apparatus and method for DC offset correction for a receiver
06/01/1995DE3152560C2 Method and device for processing a measurement signal subject to fluctuations
05/1995
05/31/1995EP0655850A2 Transmission and reception of a digital information signal
05/31/1995EP0655849A1 Apparatus and method for avoiding false convergence states of an adaptive circuit included in a digital receiver
05/31/1995EP0655846A2 Control of transmission direction in line communication
05/31/1995EP0655843A1 Digital receiver with minimum cost index register
05/31/1995EP0655839A2 Electronic system, semiconductor integrated circuit and termination device
05/30/1995US5420887 Programmable digital modulator and methods of modulating digital data
05/30/1995US5420886 Digital transmission equipment
05/30/1995US5420884 Automatic equalizer
05/30/1995US5420583 Communicating information in serial stream of digital data
05/30/1995US5420526 Circuit for pulling an integrated circuit input to a determined state
05/30/1995CA2055831C Adaptive filter and a method of preventing divergent behavior of the adaptive filter
05/26/1995WO1995014340A1 Source synchronized data transmission circuit
05/24/1995EP0654925A1 Method for tracking the impulse response of a frequency selective channel
05/24/1995EP0654191A1 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals
05/24/1995EP0654168A1 Fault-tolerant, high-speed bus system and bus interface for wafer-scale integration
05/24/1995CN1102921A Method and apparatus for detecting bit rate in variable bit rate communication
05/23/1995US5418822 Configuration for clock recovery
05/23/1995US5418821 Method and apparatus for sample-data receiver squelch
05/23/1995US5418820 Automatic polarity detection and correction method and apparatus employing linkpulses
05/23/1995US5418817 Adaptive equalization system and method
05/23/1995US5418816 Automatic equalizer
05/23/1995US5418798 Multidimensional trellis-coded communication system
05/23/1995US5418721 Control device for transmission of supervisory control data in vehicle
05/23/1995US5418484 Line fault detection system with a differential driver
05/18/1995WO1995013667A1 Recursive baud rate detection method and apparatus
05/18/1995DE4339463C1 Integrated service data transmission system
05/17/1995EP0653867A1 Viterbi equaliser using a power and time saving trace-back method
05/17/1995EP0653855A1 A differential switched capacitor circuit
05/17/1995EP0653849A2 Efficient utilization of present state/next state registers
05/16/1995US5416804 Digital signal decoder using concatenated codes
05/16/1995US5416474 Communication network including tie bus with inherent or device between two tie bus conductors
05/11/1995WO1995012944A1 Continuous phase modulation with controlled intersymbol interference
05/11/1995WO1995012943A1 Method and apparatus for the transmission of variable rate digital data
05/11/1995WO1995012926A1 Replica producing adaptive demodulating method and demodulator using the same
05/10/1995EP0652663A1 Frequency domain equaliser
05/10/1995EP0652661A2 Cryptographic and scrambling system utilising a shared medium passive optical network
05/10/1995EP0652659A2 Digital signal transmission circuit
05/10/1995EP0652638A1 DC restoration circuit
05/10/1995EP0651927A1 Method for forwarding a signal-cell flow along a multiplicity of parallel junction lines while maintaining the cell sequence.
05/10/1995EP0651926A1 Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding
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