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)
10/1999
10/19/1999US5969631 Method and control system for the synchronized transmission of digital data
10/19/1999US5969570 Reduced-tap filter in a demodulator
10/19/1999US5968198 Decoder utilizing soft information output to minimize error rates
10/15/1999CA2234777A1 Asymmetric equalization system for data transmission
10/14/1999WO1999052251A1 Latch-up recovery in quantized feedback dc restorer circuits
10/14/1999WO1999052250A1 Filter for impulse response shortening, with addition spectral constraints, for multicarrier transmission
10/14/1999WO1999052249A1 A receiver for spread spectrum communications signals
10/14/1999WO1999052248A1 Common mode noise reduction in contactless differential bus
10/14/1999WO1999052207A1 MULTI-Gb/s DATA PULSE RECEIVER
10/14/1999WO1999045656A3 A differential line driver
10/14/1999DE19815825A1 Method of analogue distortion correction and decoding for distorted, frequency-selective message transmission channels
10/14/1999DE19815701A1 Verfahren zum Demodulieren einer mit einer digitalen Symbolfolge modulierten Trägerwelle A method for demodulating a modulated with a digital symbol sequence carrier wave
10/14/1999DE19815011A1 Verfahren zur Übertragung von digitalen Sendesignalen A method of transmission of digital broadcast signals
10/14/1999CA2722546A1 Filter for impulse response shortening, with addition spectral constraints, for multicarrier transmission
10/14/1999CA2327271A1 Common mode noise reduction in contactless differential bus
10/13/1999EP0949785A2 Method and device for transmitting a DC balanced multilevel code
10/13/1999EP0949784A2 Reduction of cross-talk in broadband systems
10/13/1999EP0948783A1 Circuit arrangement for interference-free signal evaluation
10/13/1999EP0855105A4 Self-configuring bus
10/13/1999EP0664187B1 Grinding tape and method of manufacturing the same
10/13/1999CN1231789A Device, system and method for spectrally shaping transmitted data signals
10/13/1999CN1231785A Transmission of signaling data in an adjustable rate wireless communication system
10/13/1999CN1231546A 接口电路 Interface Circuit
10/13/1999CN1231543A Mixing amplifier
10/12/1999US5966447 Data scrambling method, data scrambling apparatus, data descrambling method, and data descrambling apparatus
10/12/1999US5966415 Adaptive equalization in a sub-sampled read channel for a disk storage system
10/12/1999US5966376 Apparatus and method for digital data transmission using orthogonal cyclic codes
10/12/1999US5966032 BiCMOS transceiver (driver and receiver) for gigahertz operation
10/12/1999CA2076084C Adaptive mlse-va receiver for digital cellular radio
10/07/1999WO1999050996A1 Signaling output stage for generating digital voltage signals on a bus system
10/07/1999WO1999050983A1 Detection of code vectors in single frequency, multiple transmitter networks
10/07/1999WO1999050970A1 A method and an arrangement in an analog line interface circuit
10/07/1999WO1999050969A2 Equalizer, using krakovian algebra, for multicarrier transmission
10/07/1999WO1999050965A1 Radio receiver and method of reception
10/07/1999WO1999050739A1 Method and apparatus for implementing short-word division techniques in a multiple modulus conversion context
10/07/1999WO1999022454A3 Estimation of transmission channels in communication systems for wireless telecommunication
10/07/1999CA2326453A1 Detection of code vectors in single frequency, multiple transmitter networks
10/07/1999CA2326429A1 A method and an arrangement in an analog line interface circuit
10/06/1999EP0948184A2 Information terminal apparatus
10/06/1999EP0948171A1 Adaptive equaliser using known and pseudo-known symbols
10/06/1999EP0948157A2 Method for transmission of digital data pulses with data reclocking generator controlling its clock frequency
10/06/1999EP0948155A2 Amplitude multiplexing of digital signals
10/06/1999EP0948128A1 DC offset cancellation in a quadrature receiver
10/06/1999EP0947070A2 Apparatus and method for multilevel signaling
10/06/1999EP0672256A4 Method and apparatus for discriminating computer network signals.
10/06/1999CN1231094A Pulse transformer for U-shape interfaces operating according to echo compensation principle
10/06/1999CN1231089A Orthogonal frequency-division multiplex transmission system, and its transmitter and receiver
10/06/1999CN1230835A Viterbi equalizer
10/06/1999CA2267587A1 Apparatus and method for reducing cross-talk in broadband systems and method of improving data recovery
10/05/1999US5963608 Clock extractor for high speed, variable data rate communication system
10/05/1999US5963604 Communication signal receiver with sampling frequency control
10/05/1999US5963601 Variable suppression of multipath signal effects
10/05/1999US5963599 Truncated maximum likelihood sequence estimator
10/05/1999US5963598 Along a communication channel
10/05/1999US5963595 Method and apparatus for encoding and decoding a bit sequence for transmission over POTS wiring
10/05/1999US5963592 Adaptive channel equalizer for use in digital communication system utilizing OFDM method
10/05/1999US5963147 Conversion circuit for process control system
10/05/1999US5961619 Method and apparatus for automatic activation of bus termination on a fast ethernet repeater stack
10/05/1999CA2128852C Coding device with termination of decoder operation
10/03/1999CA2265102A1 A tapped delay line space/time processor weight estimating calculator
10/03/1999CA2234037A1 Latch-up recovery in quantized feedback dc restorer circuits
09/1999
09/30/1999WO1999049634A2 Modulation detection method and apparatus
09/30/1999WO1999049633A2 Self-optimizing channel equalization and detection
09/30/1999WO1999049632A1 Method for digital equalisation, and radio communication receiver implementing said method
09/30/1999WO1999049631A1 Iterative equalization and decoding
09/30/1999WO1999049586A2 Spread spectrum transceiver for use in wireless local area network and having multipath mitigation
09/30/1999DE19813700A1 Input circuit for field equipment for communications with bi-directional signal overlaid on analogue control signal
09/30/1999CA2323004A1 Method for digital equalisation, and radio communication receiver implementing said method
09/30/1999CA2289754A1 Modulation detection method and apparatus
09/29/1999EP0946025A2 Signal equalization
09/29/1999EP0946024A1 Decision feedback equalisation, in particular for data communication over powrr distribution networks
09/29/1999EP0946014A1 Method for detecting a sequence of symbols from a received signal, and Viterbi processor for carrying out the method
09/29/1999EP0946004A2 Line powering shelf for data transmission line
09/29/1999EP0945041A2 Measuring device for the interface of a transmission link with full duplex transmission in a two-wire common frequency operation
09/29/1999EP0944977A1 Method and apparatus for digital symbol detection using transmission medium response estimates
09/29/1999CN1230308A Data transmission equipment
09/29/1999CN1230059A Communication device and method for interference suppression using adaptive equalization in spread spectrum communication system
09/28/1999US5960046 Preamble based selection diversity in a time division multiple access radio system
09/28/1999US5960043 Signal receiver
09/28/1999US5960038 Serial data transmission apparatus
09/28/1999US5959966 Methods and apparatus for blind separation of radio signals
09/28/1999US5959472 Driver circuit device
09/28/1999CA2181809C Split frequency band signal digitizer and method
09/23/1999WO1999048260A1 High speed signaling for interfacing vlsi cmos circuits
09/23/1999WO1999048244A2 Automatic speed detection for asynchronous serial communications
09/23/1999WO1999048203A1 Method and apparatus for glitch protection for input buffers in a source-synchronous environment
09/23/1999WO1999039468A3 Inverse multiplexing over existing telephony access lines
09/23/1999DE19810285A1 Channel characteristics determination for radio communications system
09/23/1999CA2323446A1 High speed signaling for interfacing vlsi cmos circuits
09/22/1999EP0944212A2 Communication speed switching device
09/22/1999EP0944211A1 Method and apparatus for the adaptive, predictive equalisation of a radio broadcast transmission channel
09/22/1999EP0944193A2 Receiver for the reception of digital broadcasts
09/22/1999EP0943197A2 Unreliability detector apparatus and reproduction apparatus provided with the unreliability detector apparatus
09/22/1999CN1229552A Device and method for transmitting digital data
09/22/1999CN1229546A Arrangement and methods for generating radio frequency signal
09/22/1999CN1229320A TV reception apparatus using same ghost-cancellation circuitry for receiving different types of TV signals
09/21/1999US5955889 Electronic circuit apparatus for transmitting signals through a bus and semiconductor device for generating a predetermined stable voltage
09/21/1999CA2134230C Method and apparatus for coherent communication in a spread-spectrum communication system
09/21/1999CA2110826C Clock recovery circuit of demodulator
09/16/1999WO1999046887A2 Wireless local area network spread spectrum transceiver with multipath interference mitigation
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