Patents for H04L 25 - Baseband systems (55,083) |
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10/08/1997 | EP0654191A4 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals. |
10/08/1997 | EP0598007B1 Method of communication |
10/07/1997 | US5675832 Delay generator for reducing electromagnetic interference having plurality of delay paths and selecting one of the delay paths in consonance with a register value |
10/07/1997 | US5675612 In a digital communications system |
10/07/1997 | US5675584 High speed serial link for fully duplexed data communication |
10/07/1997 | US5675394 Equalization apparatus with effective coefficient updating operation |
10/07/1997 | US5675283 Pilot recovery and polarity detection system |
10/02/1997 | WO1997036408A2 Transition controlled balanced encoding scheme |
10/02/1997 | WO1997036403A1 Bitstream management |
10/02/1997 | WO1997036399A1 Process for determining potential shifts between electronic modules in a wire bus network |
10/02/1997 | WO1997036184A1 Process for testing the ground contact of parts of a networked system |
10/02/1997 | WO1997036183A1 Process for testing and ensuring the availability of a networked system |
10/02/1997 | DE19612714A1 Schaltungsanordnung zur Regeneration eines digitale Datenfolgen enthaltenden Eingangssignals Circuit arrangement for the regeneration of an input signal containing digital data sequences |
10/01/1997 | EP0798901A1 Simultaneous transmission of power clock and data |
10/01/1997 | EP0798895A1 Integrated circuit for coupling a microcontrolled controlling device to a two-wire bus |
10/01/1997 | EP0798646A1 Impedance stepping for increasing the operating speed of computer backplane busses |
10/01/1997 | EP0797878A1 Ofdm with variable subcarrier allocation |
10/01/1997 | EP0705512B1 Method and apparatus for determining the data rate of a received signal |
10/01/1997 | EP0704126B1 Adaptive noise-predictive partial-response equalization for channels with spectral nulls |
10/01/1997 | EP0692157A4 A demodulator for frequency shift keyed signals |
09/30/1997 | US5673294 Adaptive maximum likelihood sequence estimation apparatus and adaptive maximum likelihood sequence estimation method |
09/30/1997 | US5673291 Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols |
09/30/1997 | US5673288 System and method for adaptive maximum likelihood sequence estimation |
09/30/1997 | US5673197 Apparatus and method for updating thresholds for peak and valley systems |
09/30/1997 | US5673130 Circuit and method of encoding and decoding digital data transmitted along optical fibers |
09/25/1997 | WO1997035411A1 Balanced transversal i,q filters for quadrature modulators |
09/25/1997 | WO1997035389A1 Dc-coupled receiver for shared optical system |
09/24/1997 | EP0797326A2 Method of generating a corrected response signal from a corrupted digital response signal |
09/24/1997 | EP0797325A2 Receiver with data frame buffering |
09/23/1997 | US5671255 Method and apparatus for determining coding rate in a wireless communication system |
09/23/1997 | US5671252 Sampled data read channel utilizing charge-coupled devices |
09/23/1997 | US5671251 Apparatus and method for a data communications device to selectively operate as an analog modem, as a digital modem, and as a terminal adapter |
09/23/1997 | US5671164 Signal measurement method and signal measurement apparatus |
09/23/1997 | US5670951 Radio communication device and method for generating threshold levels in a radio communication device for receiving four-level signals |
09/23/1997 | US5670901 Effective signal detection circuit device of serial transmission apparatus using bi-phase code |
09/18/1997 | WO1997034421A1 Data transmission using atm over hybrid fiber coax |
09/18/1997 | WO1997034397A1 Apparatus and method for multi-level transmission of data |
09/18/1997 | WO1997034396A1 Data transmission using carrierless qam |
09/18/1997 | DE19610248A1 Signal path electrical isolation method |
09/17/1997 | EP0795984A2 Flexible asymmetrical digital subscriber line (ADSL) receiver, central office using same, and method therefor |
09/17/1997 | EP0795244A1 Coupling arrangement in a terminating circuit |
09/17/1997 | CN1159689A Method and device for transmitting communicational signal by public network |
09/16/1997 | US5668838 Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator |
09/16/1997 | US5668836 Split frequency band signal digitizer and method |
09/16/1997 | US5668834 Signal transmitting device suitable for fast signal transmission including an arrangement to reduce signal amplitude in a second stage transmission line |
09/16/1997 | US5668833 Decision-feedback type equalizer |
09/16/1997 | US5668832 Automatic equalizer for removing inter-code interference with fading and method of controlling tap coefficients thereof |
09/16/1997 | US5668831 For the reception of data packets |
09/16/1997 | US5668810 Data transmission protocol method and apparatus |
09/12/1997 | WO1997033414A2 Pulse shaping for gmsk |
09/12/1997 | WO1997033371A1 Protection circuit |
09/10/1997 | EP0531549B1 Circuit for slicing data |
09/10/1997 | CN1035854C Method and apparatus for equalizing corrupted signal in receiver |
09/09/1997 | US5666480 Fault-tolerant hierarchical bus system and method of operating same |
09/09/1997 | US5666381 Communication system used in semiconductor device manufacturing equipment |
09/09/1997 | US5666380 Digital communication system and method of compressing information |
09/09/1997 | US5666302 Input/output device |
09/09/1997 | CA2081407C Identification of transmission characteristics |
09/04/1997 | WO1997032415A1 High speed data communications using multiple low speed modems |
09/04/1997 | WO1997032333A1 Method and apparatus for reducing latency time on an interface by overlapping transmitted packets |
09/04/1997 | WO1997032308A1 Method and apparatus for reducing latency time on an interface by overlapping transmitted packets |
09/04/1997 | DE19707290A1 Coding and transmission method for information signals |
09/04/1997 | DE19607468A1 Photosignal system for information transmission |
09/03/1997 | EP0793369A2 Method for automatically obtaining, in closed form, the coefficients of an equalizing network in a system of data transmission of Orthogonal Frequency Division Multiplexing (OFDM) type |
09/03/1997 | EP0793359A2 Method and apparatus for block decision feedback equalisation using a Cholesky algorithm |
09/03/1997 | EP0793111A2 Malfunction diagnosis system and method for on-vehicle electronic control units |
09/03/1997 | CN1158522A Method and apparatus for simultaneous voice/data transmission |
09/02/1997 | US5663987 Digital signal receiver device comprising filtering means |
09/02/1997 | US5663985 Communication apparatus and method in a field bus system |
09/02/1997 | US5663984 High performance bus driving/receiving circuits, systems and methods |
09/02/1997 | US5663844 Signal reproducing apparatus having waveform equalizing function |
09/02/1997 | US5663823 Optical transmission system, optical transmission module, and an optical modulator |
09/02/1997 | US5663728 Digital-to-analog converted (DAC) and method that set waveform rise and fall times to produce an analog waveform that approximates a piecewise linear waveform to reduce spectral distortion |
09/02/1997 | US5663660 Device for matching a line interface of a station linked to a multiplexed-information transmission network |
08/28/1997 | DE19614544C1 Entzerrer mit einem Sequenzschätzverfahren mit Zustandsreduktion für einen Empfänger in einem digitalen Übertragungssystem Equalizer with a sequence estimation method with state reduction for a receiver in a digital transmission system |
08/28/1997 | DE19614543C1 Entzerrer mit erweiterter Kanalschätzung für einen Empfänger in einem digitalen Übertragungssystem Equalizer with extended channel estimation for a receiver in a digital transmission system |
08/27/1997 | EP0792053A1 Digital transmission system using continuous phase modulation |
08/27/1997 | EP0792051A2 Method for the coherent demodulation of a received signal |
08/27/1997 | EP0792050A2 Distribution of reference symbols in a frame |
08/27/1997 | EP0792049A2 Line driver circuit for redundant timing signal generators |
08/27/1997 | EP0792040A2 Data receiving apparatus |
08/27/1997 | EP0792034A2 Optical transmission device, WDM optical transmission apparatus, and optical transmission system using return-to-zero optical pulses |
08/27/1997 | EP0792021A1 Driving circuit |
08/27/1997 | EP0791923A2 Method of inhibiting copying of digital data |
08/27/1997 | EP0791249A2 Transmitter and receiver apparatus, method for transmitting and method for receiving and record carrier obtained by the method or the transmitter apparatus |
08/27/1997 | EP0536390B1 Data bit to constellation symbol mapper |
08/27/1997 | EP0417272B1 Receiver for quadraphase modulation signals |
08/27/1997 | CN1158162A Deposition sensing method and apparatus |
08/27/1997 | CN1158059A Equalizing method and equalizer using reference signal |
08/27/1997 | CN1158033A Data receiving system |
08/26/1997 | US5661760 Wide biphase digital servo information detection, and estimation for disk drive using servo Viterbi detector |
08/26/1997 | US5661753 Decision feedback equalizer having leaky tap gain controllers |
08/26/1997 | US5661751 System and technique for power management of a universal asynchronous receiver/transmitter by automatic clock gating |
08/26/1997 | US5661528 Apparatus and method for controlling operation of a high defination television adaptive equalizer |
08/26/1997 | US5661417 Bus system and bus sense amplifier with precharge means |
08/26/1997 | US5661373 Binary digital signal transmission system using binary digital signal of electrically discharged pulse and method for transmitting binary digital signal |
08/21/1997 | WO1997030511A1 Apparatus for generating timing signal for a digital television signal receiver |
08/21/1997 | WO1997030396A1 Arrangement and method for communication |
08/21/1997 | WO1997019483A3 Device for transmitting signals between moving parts |
08/21/1997 | DE19606910A1 Logic level adjusting method for serial optical waveguide |