| Patents for H04L 25 - Baseband systems (55,083) |
|---|
| 11/23/1993 | CA1324644C Communication system |
| 11/18/1993 | EP0569554A1 Transmission of multiple carrier signals in a nonlinear system |
| 11/18/1993 | EP0569523A1 High speed data detection and clock recovery in a received multi-level data signal |
| 11/18/1993 | EP0553289A4 Digital audio broadcasting system |
| 11/18/1993 | EP0357701B1 Electro-optical data handling system with noise immunity |
| 11/16/1993 | US5263054 Method and system for interpolating baud rate timing recovery for asynchronous start stop protocol |
| 11/16/1993 | US5263053 Fractionally spaced maximum likelihood sequence estimation receiver |
| 11/16/1993 | US5263052 Viterbi equalizer for radio receiver |
| 11/16/1993 | US5263051 Device and method of interleaving for a trellis precoding system |
| 11/16/1993 | US5263049 Method and apparatus for CMOS differential drive having a rapid turn off |
| 11/16/1993 | US5263033 Joint data and channel estimation using fast blind trellis search |
| 11/16/1993 | US5263026 Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver |
| 11/16/1993 | US5263022 Multiplex transmission method |
| 11/11/1993 | WO1993022854A1 Radio communication modem for receiving and estimating a transmitted symbol |
| 11/11/1993 | WO1993022853A1 Optimum estimation of data and parameters for communication systems |
| 11/11/1993 | WO1993022847A1 Modem-channel bank converter |
| 11/11/1993 | DE4215348A1 Bus transmission. esp of aircraft flight control data - converting between electrical and optical forms of data signal encoded according to more than two possible states |
| 11/10/1993 | EP0569176A2 Technique for cancelling signal dispersion in communications systems |
| 11/10/1993 | EP0568646A1 Apparatus and method for dc offset correction in a receiver |
| 11/09/1993 | US5260976 Preamble recognition and synchronization detection in partial-response systems |
| 11/09/1993 | US5260974 Adaptive carrier detection |
| 11/09/1993 | US5260971 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals |
| 11/09/1993 | US5260917 Signal reproduction apparatus |
| 11/09/1993 | US5260896 Adaptive filter and a method of preventing divergent behavior of the adaptive filter |
| 11/09/1993 | CA1324218C Zero string error detection circuit |
| 11/09/1993 | CA1324193C High speed half duplex modem with fast turnaround protocol |
| 11/03/1993 | EP0568520A2 Regenerative communication channel extender |
| 11/03/1993 | EP0567763A1 Method and apparatus for regenerating a ternary signal |
| 11/03/1993 | EP0500804A4 Self-synchronizing infra-red communication system |
| 11/02/1993 | US5259003 Method of encoding two digital data signals |
| 11/02/1993 | US5258995 Wireless communication system |
| 10/31/1993 | CA2095177A1 Regenerative communication channel extender |
| 10/28/1993 | WO1993021716A1 Unequal pulse width modulation system |
| 10/28/1993 | WO1993021710A1 Coordinated coding for digital transmission |
| 10/28/1993 | WO1993021572A1 Electrical current source circuitry for a bus |
| 10/26/1993 | US5257401 Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels |
| 10/26/1993 | US5257390 Extended range computer communications link |
| 10/26/1993 | US5257288 Data transmission system |
| 10/26/1993 | US5257287 Automatic polarity detection and correction method and apparatus employing linkpulses |
| 10/26/1993 | US5257286 High frequency receive equalizer |
| 10/26/1993 | US5257272 Time-varying modulo N trellis codes for input restricted partial response channels |
| 10/26/1993 | US5257261 Methods and apparatus for concatenating a plurality of lower level SONET signals into higher level sonet signals |
| 10/26/1993 | US5257160 Serial signal transmission device and control method for determining polarity |
| 10/26/1993 | CA1323676C Receiver coupler for binary data communication systems |
| 10/20/1993 | EP0566362A2 Adaptive signal equaliser |
| 10/20/1993 | EP0565890A2 Method and system for the transmission of a data signal in a VC-12-container in transmission channels |
| 10/19/1993 | US5255288 Arrangement for converting binary input signal into corresponding in-phase and quadrature phase signals |
| 10/19/1993 | US5255287 Transceiver apparatus and methods |
| 10/19/1993 | US5255086 Method and apparatus for RF data transfer in a CATV system |
| 10/19/1993 | US5254958 Phase-lock-loop circuit and method for compensating, data bias in the same |
| 10/19/1993 | US5254883 Electrical current source circuitry for a bus |
| 10/14/1993 | WO1993020635A1 Network interfacing method and a network interface for a digital transmission network |
| 10/14/1993 | WO1993020520A1 Data bus using open drain drivers and differential receivers together with distributed termination impedances |
| 10/14/1993 | WO1992017938A3 Differential driver/receiver circuit |
| 10/14/1993 | DE4212300A1 Simultaneous channel evaluation for digital communications network - using correlator to evaluate channel responses to time shifted test signals obtained from equal periodic base signal |
| 10/13/1993 | EP0565305A1 Transmission of a clock signal over an asynchronous data channel |
| 10/13/1993 | EP0565240A1 Differential signal receiver circuit and method |
| 10/13/1993 | EP0564849A1 System and method of robust sequence estimation in the presence of channel mismatch conditions |
| 10/13/1993 | EP0536390A4 Data bit to constellation symbol mapper |
| 10/13/1993 | EP0323488B1 Device for potential-free transmission of digital signals in serial networks with bitwise arbitration |
| 10/12/1993 | US5253274 Means to differentiate between commands and data on a communications link |
| 10/12/1993 | US5252932 Waveform equalizing filter unit |
| 10/12/1993 | CA1323080C Low-noise transmission line termination circuitry |
| 10/07/1993 | DE4315674A1 Energy supply system for subscriber connected to two=wire data line - combines supply voltage with transmitted digital data stream with temporary storage of operating voltage during level transitions |
| 10/06/1993 | EP0563511A2 Decoder for data-streams in a synchronous digital hierarchical system |
| 10/06/1993 | EP0563300A1 Apparatus and method for equalizing a corrupted signal in a receiver |
| 10/06/1993 | CN1077072A 可变速度异步调制解调器 Variable-speed asynchronous modem |
| 10/05/1993 | US5251324 Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system |
| 10/05/1993 | US5251238 Circuit arrangement and method for the regeneration and synchronization of a digital signal |
| 10/05/1993 | US5251237 Receiver for a digital transmission system |
| 10/05/1993 | US5251233 Apparatus and method for equalizing a corrupted signal in a receiver |
| 10/05/1993 | CA2027051C Optical repeater having phase inversion circuit |
| 09/30/1993 | WO1993019546A1 Method and apparatus for qpr carrier recovery |
| 09/30/1993 | WO1993019520A1 Method and apparatus for partial response demodulation |
| 09/30/1993 | WO1993019418A1 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 09/29/1993 | EP0562868A2 Method and apparatus for multiple access between transceivers in wireless communication using OFDM spread spectrum |
| 09/29/1993 | EP0538448A4 Superframes |
| 09/28/1993 | US5249205 Order recursive lattice decision feedback equalization for digital cellular radio |
| 09/28/1993 | US5249201 Transmission of multiple carrier signals in a nonlinear system |
| 09/28/1993 | US5249200 Device and method for combining precoding with symbol-rate spectral shaping |
| 09/28/1993 | US5249186 Apparatus for detecting the start of frame in bipolar transmission systems |
| 09/28/1993 | US5249179 Echo canceller system suitable for a 2B1Q transmission code |
| 09/28/1993 | US5248969 Phase comparing and CMI/NRZ decoding apparatus |
| 09/28/1993 | US5248905 High speed, master/slave latch transceiver having a directly-driven slave stage |
| 09/23/1993 | DE4308508A1 Bidirectional signal transmission system for computer system - has logic units with ECL transmitter stages providing impedance values related to characteristics line impedance for optimum transmission |
| 09/22/1993 | EP0560945A1 Adaptive decision feedback equalizer apparatus for processing information stored on digital storage media |
| 09/21/1993 | US5247702 Method and an apparatus for establishing a wireless communication link between a base unit and a remote unit |
| 09/21/1993 | US5247546 Method and apparatus for automatic functional speed setting of a data circuit terminating equipment |
| 09/21/1993 | US5247541 Automatic equalizer for a data transmission channel |
| 09/21/1993 | US5247211 Light-receiving circuit |
| 09/20/1993 | WO1993019519A1 Method and apparatus for estimating signal weighting parameters in a receiver |
| 09/16/1993 | WO1993018595A1 Methods and apparatus for retiming and realignment of sts-1 signals into sts-3 type signal |
| 09/16/1993 | WO1993018585A1 Clock generating circuit and method for control of electrical systems |
| 09/16/1993 | WO1993018579A1 Video signal data and composite synchronization extraction circuit for on-screen display |
| 09/16/1993 | WO1993018462A1 High speed bus system |
| 09/16/1993 | WO1993018446A1 Accelerated token ring network |
| 09/16/1993 | DE4207662A1 Transmission system for digital useful signal of digital multiplex order - has first transmit inserting circuit cyclically inserting auxiliary signal with specified bit rate |
| 09/15/1993 | EP0559649A1 Method and means for transferring a data payload from a first sonet signal to a sonet signal of different frequency |
| 09/14/1993 | US5245661 Distributed sample scrambling system |
| 09/14/1993 | US5245631 Process and device for transmitting numerical data |