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)
05/1995
05/09/1995US5414737 Data decoding device with error rate estimation
05/09/1995US5414733 Decision feedback equalizer employing fixed ratio postcursor taps for minimizing noise and intersymbol interference in signals conveyed over high speed data service loop
05/09/1995US5414732 Adaptive equalizer and method for operation at high symbol rates
05/09/1995US5414699 Method and apparatus for receiving and decoding communication signals in a CDMA receiver using partial de-correlation
05/09/1995US5414698 Method of communication
05/09/1995US5414571 Adaptive equalization circuit for magnetic recording apparatus having high error immunity
05/03/1995EP0651538A1 An interface for pulse width modulation communications
05/03/1995EP0651535A2 Multi-port repeater
05/02/1995US5412692 Data slicer
05/02/1995US5412691 Method and apparatus for equalization for transmission over a band-limited channel
05/02/1995US5412688 Process and circuit for detecting transmission using bi-directional differential links
05/02/1995US5412644 Serial bus system with a single-wire line
05/02/1995US5412498 Multi-RC time constant receiver
05/02/1995US5411536 Method and apparatus for communicating data between medical devices to improve detectability of errors
04/1995
04/30/1995CA2134530A1 Dc restoration circuit
04/27/1995WO1995011558A1 Modulation and coding for transmission using fluorescent tubes
04/27/1995WO1995011497A1 Dynamic multiple comparison digital device, in particular, for real time monitoring of a plurality of signals
04/27/1995DE4438836A1 Circuit arrangement
04/27/1995DE4335772A1 Method and device for the transmission of data along a pipeline
04/27/1995DE4290570C2 Data transmission device
04/26/1995EP0650281A1 Adaptive precoding and preemphasis for trellis coded modulation systems
04/26/1995EP0650267A1 Transmission system
04/26/1995EP0650263A1 Coding and decoding methods and magnetic recording apparatus
04/25/1995US5410600 Pre-scramble encoding method and apparatus for digital communication
04/25/1995US5410569 Data slicing system for HDTV receiver
04/25/1995US5410309 Method and system for communicating data
04/25/1995US5410188 For generating complementary output data signals
04/25/1995CA2019821C Signal conversion circuit
04/23/1995CA2132782A1 Transmission system
04/23/1995CA2130538A1 Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel
04/20/1995WO1995010885A1 Pulse code bit cell demodulation
04/19/1995EP0649257A2 Transmission system minimizing interference in digital transmission
04/19/1995EP0649235A1 Method and apparatus for channel equalization
04/19/1995EP0648395A1 Synchronized offset extraction in a data receiver
04/18/1995US5408503 Transmission system
04/18/1995US5408501 For serially transmitting binary data
04/18/1995US5408500 Method and apparatus for transmission of local area network signals over a single unshielded twisted pair
04/18/1995US5408498 Serial-signal transmission apparatus
04/18/1995US5408497 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms
04/18/1995US5408473 Method and apparatus for transmission of communication signals over two parallel channels
04/18/1995US5408351 Optical communication system
04/13/1995WO1995008241A3 Apparatus for and method of speech digitizing
04/13/1995DE4334204A1 Method and arrangement for the regeneration of UART characters
04/12/1995EP0648036A1 Burst receiver with differential demodulation
04/11/1995US5406586 Signal correlation technique
04/11/1995US5406585 Method and apparatus for trellis decoding in a multiple-access system
04/11/1995US5406584 Time shift keying digital communications system
04/11/1995US5406583 Modem with received signals and transmitted signals comprising signal sets
04/11/1995US5406147 Propagation speedup by use of complementary resolver outputs in a system bus receiver
04/11/1995CA2032616C Fiber optic transmission distortion compensation
04/06/1995WO1995009493A1 A method and apparatus for receiving and decoding signals using partial de-correlation
04/06/1995DE4342036C1 Data bus system
04/05/1995EP0647036A1 Method and means for detecting partial response waveforms using a modified dynamic programming Heuristic
04/04/1995US5404362 Very low jitter clock recovery from serial audio data
04/04/1995US5404172 Video signal data and composite synchronization extraction circuit for on-screen display
04/04/1995US5404149 Electronic data display device
03/1995
03/30/1995WO1995008888A1 Multirate serial viterbi decoder for code division multiple access system applications
03/30/1995WO1995008877A1 Transcoding and transdecoding unit, and method for adjusting the output thereof
03/29/1995EP0645915A2 Data link system
03/29/1995EP0645066A1 Dc tracking circuit for ginomy data slicer
03/29/1995CN1100861A Data communication system and device for such a system
03/29/1995CN1100858A Method and apparatus for generating threshold levels in a radio communication device for receiving fourlevel signals
03/29/1995CN1100855A Method and device for reducing fluctuation at receiving end
03/28/1995US5402443 Device and method for measuring the jitter of a recovered clock signal
03/28/1995CA2066270C Soft decision decoding with channel equalization
03/23/1995WO1995008241A2 Apparatus for and method of speech digitizing
03/23/1995CA2149214A1 Apparatus for and method of speech digitizing
03/22/1995EP0644677A1 Equalizer - matched filter combination
03/22/1995EP0644661A1 Signal processing apparatus
03/22/1995EP0643889A1 Method and apparatus for coherent communication in a spread-spectrum communication system
03/22/1995CN1100579A Bidirectional demodulation method and apparatus
03/21/1995US5400370 All digital high speed algorithmic data recovery method and apparatus using locally generated compensated broad band time rulers and data edge position averaging
03/21/1995US5400362 Double sided slot traversing decoding for time division multiple access (TDMA) radio systems
03/21/1995US5400360 Repeater for a digital control system
03/21/1995US5400022 Pulse code bit cell demodulation
03/21/1995US5399926 Connected processing systems including mutual power off and signal path disconnect detection
03/15/1995EP0643516A1 Apparatus for detecting line breaks
03/15/1995EP0643515A2 Arrangement for bidirectional transmission of data
03/15/1995EP0643512A1 Apparatus for the detection of the loss of frame synchronisation for multidimensional modulations
03/15/1995EP0643507A1 System and method for adaption of data transmission rate depending on line quality and a modem suitable for use in such a system
03/15/1995EP0642711A1 Dynamically selectable multimode pulse width modulation system
03/15/1995EP0504167B1 Process for bit-oriented data transmission
03/14/1995US5398261 Integrated circuit having controller impedances and application to transceivers, in particular for communication between units of a system
03/14/1995US5398260 Method and apparatus for restoring multi level/phase modulation data
03/14/1995US5398259 Decision-feedback equalizer for cancelling CW interference
03/14/1995US5398258 Wireless communication system
03/14/1995US5398254 Error correction encoding/decoding method and apparatus therefor
03/09/1995WO1995006982A1 Method for a communication unit to reduce power consumption during detection of valid data
03/09/1995WO1995006978A1 An improved rom filter
03/09/1995DE4328252A1 Device for the wireless transmission of digital data, particularly audio data, with the aid of infrared light on headphones
03/08/1995CN1099920A Method and system for the dynamic modification of control parameters in a transmitter power control system
03/07/1995US5396519 Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel
03/07/1995US5396516 In a communication system
03/07/1995US5396503 Method and system for communicating data
03/07/1995US5396239 Data and forward error control coding techniques for digital signals
03/07/1995US5396028 Method and apparatus for transmission line termination
03/02/1995DE4329317A1 Method and system for transmitting data
03/01/1995EP0641110A1 Combined equaliser and demultiplexer
03/01/1995EP0641101A2 Digital communications system with symbol multiplexers
03/01/1995EP0641098A1 Communication system
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