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)
12/1995
12/13/1995EP0687076A2 Diversity communication system with arrays of antennas using adaptive mezched filters and decision feedback equalizers
12/13/1995EP0686920A2 High speed serial link for fully duplexed data communication
12/13/1995EP0623251B1 Device for providing electric power from a signal transmitter
12/12/1995US5475714 DC removal circuit for digital signal
12/12/1995US5475710 Adaptive equalizer and receiver
12/12/1995US5475705 Demodulator for Manchester-coded FM signals
12/12/1995US5475444 Channel equalizer for a HDTV using a composite filter
12/07/1995WO1995033314A1 Diversity receiver for signals with multipath time dispersion
12/07/1995WO1995033234A1 Signal transmission circuit
12/07/1995DE4420216A1 Binary signals transmission circuitry
12/06/1995EP0685138A1 Method and apparatus for reducing precoding loss when using a post-comb filtering approach to reduce co-channel interference in high definition television transmission
12/06/1995EP0685129A1 Method and system for the dynamic modification of control parameters in a transmitter power control system
12/06/1995CN1113063A Digital transmiting means
12/06/1995CN1113058A Transmitter apparatus for mobile satellite communication terminal
12/05/1995US5473696 Method and apparatus for combined encryption and scrambling of information on a shared medium network
12/05/1995US5473636 Data discriminating circuit and an optical receiver using the same
12/05/1995US5473635 Data communication circuit
12/05/1995US5473552 Scheme for isolating a computer system from a data transmission network
12/05/1995US5473462 Optical signal detection circuit
11/1995
11/30/1995WO1995032553A1 Method and apparatus for implementing a type 8b6t encoder and decoder
11/30/1995WO1995028775A3 Data transmission device
11/29/1995EP0684708A1 Adaptive equalizer
11/29/1995EP0684706A1 Replica producing adaptive demodulating method and demodulator using the same
11/29/1995EP0663085A4 Method and apparatus for reduced-complexity viterbi-type sequence detectors.
11/29/1995CN1030419C Method and apparatus for providing carrier frequency offset compensation in TDMA communication system
11/28/1995US5471504 Bilinear decision feedback equalizer
11/28/1995US5471501 Enhanced digital communications receiver using channel impulse estimates
11/28/1995US5471500 Soft symbol decoding
11/28/1995US5471498 High-speed low-voltage differential swing transmission line transceiver
11/28/1995CA2055847C Decision feedback equalizer
11/28/1995CA2048210C Blind type sequence estimator for use in communications system
11/22/1995EP0683585A1 Decision apparatus using MLSE
11/22/1995EP0683584A1 Self-synchronizing scrambler/descrambler without error multiplication
11/22/1995EP0683489A2 Learning type signal recording and reproducing apparatus
11/21/1995US5469473 Transceiver circuit with transition detection
11/21/1995US5469472 Message substitution in a digital communication system
11/21/1995US5469464 Transmission system for transmitting signals in a burst mode
11/21/1995US5469462 Receiving arrangement including a variable equalizer which variable equalizer is controlled on the basis of one or more signal portions produced by the variable equalizer
11/21/1995US5469091 Data slice circuit
11/21/1995CA2149489A1 Decision taking device using viterbi algorithm estimations for a radiocommunication system
11/16/1995DE4292231C2 Method and system for communication channel gain calculation
11/15/1995EP0682459A2 Method and apparatus for data transfer
11/15/1995EP0682420A1 Apparatus for estimating the transmission channel quality in a digital receiver
11/15/1995EP0682414A1 Device for estimating soft judgement value and device for estimating maximum likelihood system
11/15/1995CN1111863A Alogorithmic controlling method of blind balancing system
11/14/1995US5467374 Low complexity adaptive equalizer for U.S. digital cellular radio receivers
11/14/1995US5467369 AUI to twisted pair loopback
11/14/1995US5467232 Magnetic recording and reproducing method using phase discrimination and apparatus therefor
11/14/1995US5467200 Data communication method between circuits
11/12/1995CA2148874A1 Device for estimating the quality of a transmission channel and its use
11/09/1995WO1995030289A2 A direct sequence cdma coherent uplink detector
11/09/1995WO1995030282A1 Bad frame detection
11/09/1995CA2188122A1 Bad frame detection
11/08/1995EP0681378A1 Packet data receiver with sampled data output and background light cancellation
11/08/1995EP0681374A1 Repeater "On-frequency" with optimised efficiency for digital radio networks like GSM, DCS 1800, PCS 1900 and others
11/08/1995EP0681291A2 Method for equalising corrupted data signals
11/08/1995EP0681192A2 Transponders, interrogators, systems and methods for elimination of interrogators synchronization requirement
11/08/1995EP0624294B1 Decoding by cross-correlation of a data sequence coded by cyclic shifting and inversion
11/08/1995CN1111469A Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding
11/08/1995CN1111430A Apparatus for equalizing television signals with fast convergence
11/07/1995US5465276 Method of forming a channel estimate for a time-varying radio channel
11/07/1995US5465275 Efficient utilization of present state/next state registers
11/07/1995US5465274 Digital circuit for decoding encoded doppler data
11/07/1995US5465273 Modem utilizing parity and convolutional encoder feedback
11/07/1995US5465272 Data transmitter baseline wander correction circuit
11/07/1995US5465270 Process and device for the digitized transmission of signals
11/07/1995US5465268 Digital decoding of biphase-mark encoded serial digital signals
11/07/1995US5465267 Error-correcting tandem encoding system
11/07/1995US5465255 Multiplex transmission system
11/07/1995US5465105 Selective video transmission system
11/07/1995US5465059 Method and apparatus for timing acquisition of partial response class IV signaling
11/07/1995CA2058369C Current sink
11/02/1995WO1995029539A1 Method for low sensitivity optical transmission, transmission device and system for carrying out said method
11/02/1995WO1995026601A3 Diversity pi/4-dqpsk demodulation
11/02/1995EP0680183A2 Method for setting the parameters of an equaliser
11/02/1995EP0680170A1 Circuit for the transmission of a line-coded signal on a telephone line with a frequency synchroniser
11/02/1995EP0680157A1 Methods of and devices for spread spectrum communication systems using forward error correction
11/02/1995EP0680044A2 Method for analysis and equalisation of signals
11/02/1995EP0679309A1 Digital pulse detector
10/1995
10/31/1995US5463654 Data receiver
10/31/1995US5463345 Circuit for converting unipolar input to bipolar output
10/26/1995WO1995028775A2 Data transmission device
10/26/1995WO1995028766A1 Impulsive noise cancellation method and apparatus for low sample rate data
10/26/1995WO1995027353A3 Simultaneous transmission of high and low speed signals
10/26/1995WO1995026128A3 Common mode compensation circuit
10/26/1995DE19513210A1 Serial data transmission system for master-slave units for industrial process stored program control
10/25/1995EP0679001A1 Decision apparatus with adaptive thresholds for non-linear modulation
10/25/1995EP0679000A1 Soft quantisation
10/25/1995EP0678999A1 Adaptive setting of decision thresholds
10/25/1995EP0401246B1 Apparatus and method for adaptively optimizing equalization delay of a data communication equipment
10/24/1995US5461644 Adaptive viterbi detector
10/24/1995US5461640 Method and system for optimizing an equalizer in a data transmission system
10/24/1995US5461621 Pair division multiplexer for digital communications
10/24/1995US5461582 Filter for 2B1Q signals
10/24/1995US5461379 Digital coding technique which avoids loss of synchronization
10/24/1995US5461330 Bus settle time by using previous bus state to condition bus at all receiving locations
10/19/1995WO1995028050A1 Data level selection for multilevel vsb transmission system
10/19/1995WO1995028049A1 Circuit for transmitting digital signals
10/19/1995WO1995028046A1 Method and apparatus for robust communications based upon angular modulation
10/19/1995WO1995027944A2 Process of serial transmission of data
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