| Patents for H04L 25 - Baseband systems (55,083) |
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| 09/17/1991 | US5050194 High speed asynchronous data interface |
| 09/17/1991 | US5050190 Signal detection circuit not affected by minute voltage fluctuations contained in input signal and operation method therefor |
| 09/17/1991 | US5050189 Multibit amplitude and phase modulation transceiver for LAN |
| 09/17/1991 | US5050187 Communication system equipped with an AC coupling receiver circuit |
| 09/17/1991 | US5050186 Signal equalizing arrangement and a method of equalizing a received data signal |
| 09/17/1991 | US5050167 Timing extraction in multiplexed multichannel high speed fiber optic transmission system |
| 09/17/1991 | CA1289249C Parallel transmission system |
| 09/17/1991 | CA1289198C Line equalizer |
| 09/13/1991 | CA2038092A1 Terminal service facility for non-synchronous system |
| 09/11/1991 | EP0445384A2 Method and circuit arrangement for threshold control |
| 09/11/1991 | EP0445354A2 Apparatus for scrambling/descrambling data by word-by-word processing |
| 09/10/1991 | US5048062 Transmitting commands over a serial link |
| 09/10/1991 | US5048055 Multi-data rate selectable equalizer |
| 09/10/1991 | US5047859 Method and apparatus for communication channel identification and signal restoration |
| 09/10/1991 | US5047663 Low-power comparator which tolerates high-slew-rate incoming signals and deriving power from the incoming signals |
| 09/10/1991 | CA1288835C Line delay compensation for digital transmission systems utilizing low power line drivers |
| 09/10/1991 | CA1288834C Signal scrambling transmission system |
| 09/10/1991 | CA1288829C Method and arrangement for extracting an auxiliary data clock from theclock and/or the clock-phase of a synchronous or plesichronous digital signal |
| 09/07/1991 | CA2024997A1 Adaptive equalisers |
| 09/04/1991 | EP0445057A2 Multi-data rate selectable equalizer |
| 09/04/1991 | EP0445045A1 Process and control circuit for an output bus of an integrated circuit |
| 09/04/1991 | EP0444779A1 Split level bus |
| 09/03/1991 | US5046185 Regenerative repeater |
| 09/03/1991 | US5046072 Signal distribution system |
| 09/03/1991 | US5045801 Metastable tolerant asynchronous interface |
| 09/03/1991 | CA1288482C Enhanced automatic line build out |
| 08/28/1991 | EP0443997A1 A method of reducing the influence of fading of a Viterbi-receiver having at least two antennas |
| 08/28/1991 | EP0443778A2 A communications transmission system including facilities for suppressing electromagnetic interference |
| 08/28/1991 | EP0443732A2 Load circuit for differential driver |
| 08/28/1991 | EP0443712A2 Modification of an HDB3 system to allow auxiliary data transmission |
| 08/28/1991 | EP0443117A2 Analog line connection |
| 08/28/1991 | CN1054156A Method of reducing influence of fading of viterbi receiver having at least two antennas |
| 08/27/1991 | US5043999 Circuit arrangement for digitally setting the gain of a digitally adjustable receive amplifier |
| 08/21/1991 | EP0442619A2 Circuit |
| 08/21/1991 | EP0441778A1 Adaptive television ghost cancellation system. |
| 08/21/1991 | CN1013630B Method and apparatus for converting run length limited code |
| 08/20/1991 | US5042082 Mobile assisted handoff |
| 08/20/1991 | US5042051 Apparatus for transmitting and receiving Manchester coded digital data for IEEE 802.3 Ethernet/Cheapernet type local area network |
| 08/20/1991 | US5041415 Superconducting noise discriminator |
| 08/14/1991 | EP0441731A1 Method of data broadcasting using time-frequency interleaving and coherent demodulation |
| 08/14/1991 | EP0441280A1 Method and apparatus for decoding two frequency (F/2F) data signals |
| 08/14/1991 | EP0441110A1 A method of compensating for non-linearities in an end amplifier incorporated in a radio transmitter |
| 08/13/1991 | US5040242 Optical communication apparatus and method |
| 08/13/1991 | US5040193 Receiver and digital phase-locked loop for burst mode data recovery |
| 08/13/1991 | US5040191 Partial response channel signaling systems |
| 08/07/1991 | EP0440187A2 Arrangement for converting binary input signal into corresponding in-phase and quadrature phase signals |
| 08/07/1991 | CN1053719A Method of compensating for non-linearities in end amplifier incorporated in radio transmitter |
| 08/06/1991 | US5038351 Coded mark inversion block synchronization circuit |
| 07/30/1991 | US5036529 Digital auto-phase-controlled retiming circuit |
| 07/30/1991 | US5036525 Adaptive equalizer |
| 07/30/1991 | US5036524 Binary data signal transmission system |
| 07/30/1991 | US5036221 Circuit for eliminating metastable events associated with a data signal asynchronous to a clock signal |
| 07/30/1991 | CA1287141C System for transmitting signals between a receiving set lowered into a welland a control and recording central laboratory |
| 07/25/1991 | DE4001411A1 Average value signal generating circuitry - processes NRZ signal to recover information of digital input signal subjected to DC coding |
| 07/24/1991 | EP0438009A1 Method and system for smoothing and monitoring the data rates of asynchronous time division communications |
| 07/24/1991 | EP0205305B1 Data transmission and detection method |
| 07/23/1991 | WO1991011053A1 A method of compensating for non-linearities in an end amplifier incorporated in a radio transmitter |
| 07/23/1991 | US5034967 Metastable-free digital synchronizer with low phase error |
| 07/17/1991 | EP0437410A1 Device for doubling/halving the rate of a serial bitstream |
| 07/17/1991 | EP0436771A1 Unbalanced transmitter and receiver for bipolar signals |
| 07/16/1991 | US5032742 ESD circuit for input which exceeds power supplies in normal operation |
| 07/16/1991 | CA1286399C Apparatus for transmitting digital signal |
| 07/10/1991 | EP0436293A2 Inverse multiplexer and demultiplexer techniques |
| 07/10/1991 | EP0436101A2 Maximum-likelihood sequence estimation apparatus |
| 07/09/1991 | US5031195 Fully adaptive modem receiver using whitening matched filtering |
| 07/09/1991 | US5031194 Wideband digital equalizers for subscriber loops |
| 07/09/1991 | US5031176 Connection interface of an information receiving part of a station in a differential information transmission system through two transmission lines, in particular in an automobile vehicle |
| 07/09/1991 | US5031129 Parallel pseudo-random generator for emulating a serial pseudo-random generator and method for carrying out same |
| 07/03/1991 | EP0339045A4 Data limiter with current controlled response time |
| 07/02/1991 | US5029187 Digital correlation receiver |
| 07/02/1991 | US5029167 Coefficient storage reduction in adaptive filters in echo cancellers or decision feedback equalizers |
| 07/02/1991 | CA1285623C Apparatus for matching unbalanced r.f. baseband signals to balancedsignals on a twisted two-wire line |
| 06/26/1991 | EP0434584A1 Linear and non-linear disturbances equalization device of a signal received through a disturbed transmission channel |
| 06/26/1991 | EP0434294A2 A power control method for a voltage controlled power amplifier and circuitry used in the method |
| 06/26/1991 | EP0434040A2 Maximum likelihood sequence estimation apparatus |
| 06/26/1991 | EP0433707A2 Receiver for a digital auxiliary signal in a digital communication system |
| 06/26/1991 | EP0433706A2 Auxiliary signal transmission in a communication system for high bit-rate digital signals |
| 06/25/1991 | US5027381 Over speed data rate adjustment method and apparatus in an asynchronous data stream |
| 06/25/1991 | US5027374 Bit serial Viterbi decoder add/compare/select array |
| 06/25/1991 | US5027371 Self-adaptive equalizer circuit for a differentially coherent demodulation installation |
| 06/25/1991 | US5027370 Circuit arrangement for the equalization of digital signals received in analog form |
| 06/25/1991 | US5027369 Rapid convergence decision feedback equalizer |
| 06/25/1991 | CA1285339C Method and apparatus for transmitting and receiving a digital signal |
| 06/25/1991 | CA1285324C Temperature compensated output buffer |
| 06/20/1991 | DE3941265A1 Baseband signal generating appts. for digital radio - converts pulse train to signal with definite spectral characteristics by digital means |
| 06/19/1991 | CN1012927B Binary data regenarator with adaptive threshold level |
| 06/18/1991 | US5025459 Optical communications transmitter and receiver |
| 06/18/1991 | US5025456 Burst mode digital data receiver |
| 06/18/1991 | US5025454 Pulse to zero digital (PZ) modulation |
| 06/18/1991 | US5025443 Digital data over voice communication |
| 06/18/1991 | US5025406 Adaptive digital filter for multi path distortion cancellation |
| 06/18/1991 | US5025256 Data transmission code |
| 06/18/1991 | US5025251 Self-tuning direct coupled data limiter of a battery saver type paging receiver |
| 06/18/1991 | US5025177 Sensitive low power comparator |
| 06/13/1991 | WO1991008634A1 Process for bit-oriented data transmission |
| 06/12/1991 | EP0431983A2 Communication and control system |
| 06/12/1991 | EP0431982A2 Digital IC device arrangement |
| 06/11/1991 | US5023950 Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver |
| 06/11/1991 | US5023887 Data transmission system using spread spectrum communication |
| 06/11/1991 | US5023472 Capacitor-driven signal transmission circuit |