Patents for H04L 25 - Baseband systems (55,083)
09/1999
09/16/1999WO1999046886A2 Off-line broadband network interface
09/16/1999WO1999046885A1 Sub-scrambling/descrambling method and sub-scrambling/descrambling device
09/16/1999WO1999046884A1 Method and apparatus for signal degradation measurement
09/16/1999WO1999046864A1 Integrable radio receiver circuit for frequency-modulated digital signals
09/16/1999WO1999046863A2 Method of performing antenna diversity in a spread spectrum wireless local area network
09/16/1999WO1999046861A1 Digital signal modulation system
09/16/1999WO1999046852A1 Dc offset correction for direct conversion tuner ic
09/16/1999DE19860909A1 Device for transmitting signals with low interference
09/16/1999DE19810695A1 Verfahren zur Detektion eines gepulsten Nutzsignals Method for detecting a pulsed useful signal
09/16/1999DE19810558A1 Integratable radio receiver circuit for frequency modulated digital signals
09/15/1999EP0942564A2 Method for detecting a pulsed signal
09/15/1999EP0942562A2 Transceiver circuit for a serial bus
09/15/1999EP0942561A2 Adaptive step size for channel estimation
09/15/1999CN1228895A Method and apparatus for compensating for varying D. C. offset in sampled signal
09/15/1999CN1228893A Semiconductor integrated circuit for communication and battery saving method for the same
09/15/1999CN1228654A Controlling of state number of viterbi equalizer having variable state number
09/14/1999US5953383 Diversity receiver
09/14/1999US5953376 Probabilistic trellis coded modulation with PCM-derived constellations
09/14/1999US5953374 Bandpass spectral shaping of data signals
09/14/1999US5953063 Bi-phase code decoding system
09/14/1999US5952888 Roving range control to limit receive PLL frequency of operation
09/14/1999US5952849 Logic isolator with high transient immunity
09/14/1999CA2149367C A hybrid line coding method and apparatus
09/10/1999WO1999045656A2 A differential line driver
09/10/1999WO1999032984A3 Communications interface for serially transmitting digital data, and corresponding data transmission method
09/10/1999WO1999026383A3 Receiver for a carrier-modulated signal and process for treating a carrier-modulated signal
09/10/1999WO1999009712A3 Electronic apparatus with a bus
09/09/1999DE19827476C1 Bidirectional digital data transmission method for use between transponder and read/write device
09/09/1999DE19809438A1 Subscriber connection for digital telephone exchange
09/09/1999DE19809334A1 Process for energizing analog component e.g. sensor valve using signals transmitted by programmable circuit
09/08/1999EP0940955A2 Filtering for transmission using quadrature modulation
09/08/1999EP0940035A1 Adaptive sparse equalization filter
09/07/1999US5949831 Method and apparatus for data detection for PRML data channels
09/07/1999US5949827 Continuous integration digital demodulator for use in a communication device
09/07/1999US5949825 For reducing noise on a signal
09/07/1999US5949819 Method and apparatus for training linear equalizers in a PCM modem
09/07/1999US5949280 Multivalued FSK demodulation window comparator
09/07/1999US5948116 Bit error correction algorithm
09/07/1999CA2264414A1 Communications receiver and method of detecting data from received signals
09/07/1999CA2158185C Hybrid equalizer arrangement for use in data communications equipment
09/07/1999CA2142846C device and method for precoding
09/07/1999CA2131535C Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size
09/07/1999CA2103201C A method for determining a plurality of channel responses and modifying a received signal therewith
09/02/1999WO1999044341A1 Dynamic frame size setting for multichannel transmission
09/02/1999WO1999044326A2 Ofdm frame synchronisation and equalisation system
09/01/1999EP0939525A1 Sequence estimation for CPM signals
09/01/1999EP0939524A1 An isolator and a modem device using the isolator
09/01/1999EP0939512A2 Method and arrangement in a network repeater for automatically changing link speed
09/01/1999EP0939511A2 Method and arrangement in a network repeater for automatically changing link speed
09/01/1999EP0939502A2 Channel tracking in a mobile receiver
09/01/1999EP0938795A2 Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing
09/01/1999EP0706736B1 A method for including auxiliary data in a data signal encoded with a bipolar in-line code
08/1999
08/31/1999US5946355 Serial-digital receiver
08/31/1999US5946351 Tap selectable decision feedback equalizer
08/31/1999US5946350 Data receiving system using a decision feedback equalizer
08/31/1999US5946349 Method for coefficient smoothing in adaptive equalizer systems
08/31/1999US5945864 Circuit configuration for offset compensation
08/31/1999US5944849 Method and system capable of correcting an error without an increase of hardware
08/26/1999WO1999043112A1 Method and apparatus for byte-by-byte multiplexing of data over parallel communication links
08/26/1999CA2261981A1 A gain control arrangement and method
08/26/1999CA2260528A1 Channel tracking in a mobile receiver
08/25/1999EP0938215A2 Adaptive DC-compensation
08/25/1999EP0938214A2 Automatic equalization method and automatic equalizer
08/25/1999EP0938191A2 Hybrid amplifier
08/25/1999CN1227023A Data transmission method and game system constructed by using the method
08/24/1999US5943366 Method of generating A.C. information for a bus system, and transmission unit for carrying out the method
08/24/1999US5943365 Device, system, and method for modem communication utilizing DC or near-DC signal suppression
08/24/1999US5942995 Return-to-zero receiver
08/24/1999US5942994 Method and device for decoding a multivalent electrical signal and receiver comprising such a decoding device
08/19/1999WO1999041852A1 Method and device for receiving repeated bursts in a radio communication
08/19/1999WO1999041847A1 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
08/19/1999WO1999041839A1 A method and device for nonlinear likelihood sequence estimation
08/19/1999DE19813965C1 Digital data pulse transmission method
08/19/1999DE19806682A1 Digital signal equalization method for high speed optical fiber transmission systems
08/19/1999CA2319559A1 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
08/18/1999EP0936785A2 Skew compensation for parallel transmission
08/18/1999EP0936784A2 Pulse shaping for the control of the amplitude variation of PSK signals
08/18/1999EP0936783A2 Asynchronous clock for adaptive equalization
08/18/1999EP0936782A2 Transmission system with differential data transmission
08/18/1999EP0936781A1 Method for pre-distorting signals transmitted over non-reciprocal channels
08/18/1999EP0936750A2 Communication line
08/18/1999EP0936737A2 Circuit and method for compensating for degradation in pulse width of burst data
08/18/1999EP0935867A1 Multi-frame synchronization for parallel channel transmissions
08/18/1999EP0935866A1 Method and apparatus for decoding variable rate data
08/18/1999EP0935854A1 Method and apparatus for performing data rate determination
08/18/1999EP0935853A2 Method for propagation delay control
08/18/1999CN1226314A Eye mask for measuring of distortion in optical transmission
08/18/1999CN1226105A Improvement of activation speed of signal wiring line in semiconductor integrated circuit
08/18/1999CN1044757C Method and circuit for detecting sychronism in viterbi decoder
08/17/1999US5940742 Two-way paging system and apparatus
08/17/1999US5940601 Control circuit and method for a first-in first-out data pipeline
08/17/1999US5940448 Universal serial bus receiver having input signal skew compensation
08/17/1999US5940447 Wireless powered communication device using power signal sampling and method
08/17/1999US5940446 Maximum likelihood detection of MPSK bursts with inserted reference symbols
08/17/1999US5940442 High speed data receiver
08/17/1999US5940440 Generalized multimodulus technique for blind equalization
08/17/1999US5940416 Digital signal decoding apparatus and a decoding method used therein
08/17/1999US5940403 Quarter-rate 2B1Q ISDN architecture with embedded differential delay compensation for extending range of DDS communications
08/17/1999US5939929 Low jitter low power single ended driver
08/17/1999US5939896 Coupling arrangement in a terminating circuit