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)
10/1995
10/19/1995DE4412958A1 Datenübertragungseinrichtung Data transmission device
10/18/1995EP0677965A2 Partial response trellis decoder
10/18/1995EP0677952A2 Channel equalizer for a digital high-definition television receiver
10/18/1995EP0677191A1 Method and apparatus for transmitting nrz data signals across an isolation barrier disposed in an interface between adjacent devices on a bus
10/17/1995US5459765 Phase comparator for biphase coded signal including preamble with code violation
10/17/1995US5459762 Variable multi-threshold detection for 0.3-GMSK
10/17/1995US5459753 Method and apparatus for pattern independent phase detection and timing recovery
10/17/1995US5459751 Demodulation circuit of communication control system
10/17/1995US5459749 Multi-level superposed amplitude-modulated baseband signal processor
10/17/1995US5459714 Enhanced port activity monitor for an integrated multiport repeater
10/17/1995US5459679 Real-time DC offset control and associated method
10/17/1995US5459607 Synchronous optical digital transmission system and method
10/17/1995US5459311 Fiber-optic system with delay line for large dynamic range and low pulse width distortion of initial data bits
10/12/1995WO1995027358A1 Method and apparatus for implementing a common mode level shift
10/12/1995WO1995027353A2 Simultaneous transmission of high and low speed signals
10/12/1995WO1995027347A1 Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carried by other media
10/12/1995WO1995027284A1 Method of converting a sequence of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as a record carrier
10/12/1995DE4411816A1 Digitalsignalübertragende Schaltung Digital signal transferor circuit
10/11/1995EP0676885A1 Echocanceller for modem with scrambler
10/11/1995EP0676875A1 Method and apparatus for multiplexed transmission of digital data having different code rates and priorities
10/11/1995EP0676710A1 Data connector for portable devices
10/11/1995CN1110071A Decision feedback equalizer method and apparatus
10/11/1995CN1110029A A method and device for estimating transmitted signals in a receiver in digital signal transmission operations
10/10/1995US5457705 Method of and system for data transmission employing trellis coded modulation
10/10/1995US5457406 Bidirectional signal transmission circuit and terminator
10/05/1995WO1995026601A2 Diversity pi/4-dqpsk demodulation
10/05/1995WO1995026128A2 Common mode compensation circuit
10/05/1995WO1995024089A3 A termination network and a control circuit
10/05/1995DE4430053C1 Logic network with logic circuits from different logic families
10/05/1995CA2163744A1 Diversity pi/4-dqpsk demodulation
10/05/1995CA2144712A1 Data connector for portable devices
10/04/1995EP0675622A2 Process and system for transferring vector signal with precoding for signal power reduction
10/04/1995EP0675620A1 Parallel data transmission unit using byte error correcting code
10/04/1995EP0675608A2 Method and apparatus for controlling tap coefficients of an adaptive matched filter in an automatic equaliser
10/04/1995EP0675607A2 Cable crosstalk measurement system
10/04/1995EP0674822A1 Modulation and coding for transmission using fluorescent tubes
10/04/1995CN1109668A Assignment and agreement
10/03/1995US5455839 Device and method for precoding
10/03/1995US5455819 Method and apparatus capable of quickly identifying an unknown system even on occurrence of a plurality of dispersive portions
10/03/1995US5455700 Regenerative communication channel extender
10/03/1995US5455523 Method and apparatus for non-linear transmission line termination
10/03/1995US5454725 Circuit card with low profile detachable interface
09/1995
09/28/1995WO1995026105A1 Phase detector in a carrier recovery network for a vestigial sideband signal
09/28/1995WO1995026101A1 Carrier recovery system for a vestigial sideband signal
09/28/1995WO1995026078A1 Signal-receiving and signal-processing unit
09/28/1995WO1995026075A1 Blind equalizer for a vestigial sideband signal
09/28/1995WO1995026074A1 Carrier independent timing recovery system for a vestigial sideband modulated signal
09/27/1995EP0674406A1 System and method for transmitting a parallel electrical signal via a serial optical path
09/27/1995EP0674397A2 Viterbi decoder comprising downsized circuits
09/27/1995EP0674396A2 Area-efficient decoders for rate-k/n convolutional codes and other high rate trellis codes
09/27/1995EP0673576A1 Apparatus for and method of speech digitizing
09/27/1995EP0519954B1 Digital data transmission system
09/26/1995US5454040 Digital control of analog systems
09/26/1995US5454008 Method and apparatus for interfacing between a twisted pair and an intelligent cell
09/26/1995US5453989 Subscriber digital transmission system
09/26/1995US5453797 Method and apparatus for decoding broadcast digital HDTV in the presence of quasi-cyclostationary interference
09/26/1995CA2029108C Threshold value control system in a receiver circuit
09/25/1995CA2145228A1 Viterbi decoder comprising downsized circuits
09/21/1995WO1995025401A1 Method of processing a serial, digital data signal
09/21/1995WO1995022873A3 Transceiver algorithms of antenna arrays
09/21/1995DE4408963A1 Verfahren zum Verarbeiten eines seriellen, digitalen Datensignals A method of processing a serial, digital data signal
09/21/1995DE19509876A1 Regeneration device for playback signals from magnetic recording medium
09/20/1995EP0673139A2 Precoded waveshaping transmitter
09/20/1995EP0673132A2 Clocking converter for asynchronous data
09/20/1995EP0672322A1 An apparatus for transferring information from a first to a second electronic unit
09/20/1995EP0672321A1 Improved device and method for precoding
09/20/1995EP0672256A1 Method and apparatus for discriminating computer network signals
09/20/1995CN1108866A Demodulator for manchester-coded FM signals
09/20/1995CN1108834A Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver
09/19/1995US5452472 Radio communication receiving device detecting a frequency modulation preamble signal
09/19/1995US5452333 Digital jitter correction method and signal preconditioner
09/19/1995CA1337078C Ds3 - line interface linear array (lila)
09/14/1995DE4444781A1 Digital data modulation system for image scanner
09/14/1995DE4441757A1 Data transmission system for linear drive
09/13/1995EP0671837A1 Delay detecting method of maximum likelihood estimation and delay detector using it
09/13/1995EP0671836A2 Integrated circuit for maximum likelihood estimation of transmitted digital data
09/13/1995EP0671835A2 Transmitter-receiver with galvanic isolation
09/13/1995EP0671834A1 Waveshaper and line driver for vehicle communications system
09/13/1995EP0671817A1 Soft symbol decoding for use in an MLSE-equaliser or convolutional decoder
09/13/1995EP0671799A2 Single-port network node transceiver with powered-down protection
09/12/1995US5450457 For determining a sampling phase of a received signal
09/12/1995US5450453 Method, apparatus and system for decoding a non-coherently demodulated signal
09/12/1995US5450445 Method and arrangement of estimating data sequences transmitted using viterbi algorithm
09/12/1995US5450443 Method and apparatus for constructing asymptotically optimal second order DC-free channel codes
09/12/1995US5450442 Digital radio telephone apparatus having an equalizer selectively employed in the apparatus
09/12/1995CA2032414C Method and apparatus for decoding two frequency (f/2f) data signals
09/10/1995CA2141014A1 Area-efficient decoders for rate-k/n convolutional codes and other high rate trellis codes
09/08/1995WO1995024089A2 A termination network and a control circuit
09/08/1995CA2181678A1 A termination network and a control circuit
09/06/1995EP0670639A1 Reduced complexity MLSE receiver using modified tap weights and symbol derotation
09/06/1995EP0670636A1 Viterbi processor
09/06/1995EP0670092A1 Paging system using message fragmentation to redistribute traffic
09/06/1995EP0670089A1 Transcoding and transdecoding unit, and method for adjusting the output thereof
09/06/1995EP0204745B2 Data modem system
09/05/1995US5448601 Algorithm control method for blind equalization systems
09/05/1995US5448591 Method and apparatus for clock and data delivery on a bus
09/05/1995US5448590 Equalization technique for compensating for degradation to the transmission of digitally modulated signals
09/05/1995US5448571 Method and apparatus for determining byte synchronization within a serial data receiver
09/05/1995US5448231 Method and apparatus for transmitting signals on a transmission line
09/05/1995US5448206 Systems with increased information rates using embedded sample modulation and predistortion equalization
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