Patents for H04L 25 - Baseband systems (55,083) |
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08/25/1992 | US5142529 Method and means for transferring a data payload from a first SONET signal to a SONET signal of different frequency |
08/25/1992 | US5142168 Emitter-coupled logic balanced signal transmission circuit |
08/25/1992 | CA1306774C Circuit for generating discrimination level voltage |
08/23/1992 | WO1992015159A1 Clock rate matching in independent networks |
08/20/1992 | WO1992014323A1 Method for determining the optimum sampling point for three-level signals |
08/20/1992 | WO1992014322A1 Method for the automatic setting of decision thresholds |
08/20/1992 | WO1992014306A1 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals |
08/20/1992 | DE4202782A1 Coded information transmission system using IR light - uses preceding head telegram to identify information telegram format |
08/19/1992 | EP0499560A1 Channel estimation method for COFDM transmission system |
08/19/1992 | EP0499397A2 Digital communications systems |
08/19/1992 | CN1017940B System for transmission of signals between reception assembly lowered into well and central and recording laboratory |
08/18/1992 | US5140611 Pulse width modulated self-clocking and self-synchronizing data transmission and method for a telephonic communication network switching system |
08/18/1992 | CA1306543C Partial response channel signaling systems |
08/14/1992 | CA2058157A1 Adaptive equalizer |
08/12/1992 | EP0498697A1 Device for controlling the access of information processing stations to an information transmission network using optical transmission between these stations |
08/12/1992 | EP0498574A2 Waveform equalizer apparatus formed of neural network, and method of designing same |
08/12/1992 | EP0222017B1 Circuit switching devices |
08/11/1992 | US5138633 Method and apparatus for adaptively retiming and regenerating digital pulse signals |
08/11/1992 | US5137022 Synchronous telemetry system and method for an implantable medical device |
08/06/1992 | WO1992013415A1 Apparatus and method for dc offset correction in a receiver |
08/05/1992 | EP0497391A1 Method of, and arrangement for, generating a clock signal from a biphase modulated digital signal |
08/04/1992 | US5136616 Method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method |
08/04/1992 | US5136593 Apparatus and method for fixed delay tree search |
08/04/1992 | US5136187 Temperature compensated communications bus terminator |
08/04/1992 | CA1306012C Digital signal processing system in a modem |
08/04/1992 | CA1306010C Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver |
08/02/1992 | WO1992014325A1 Transmission of multiple carrier signals in a nonlinear system |
08/02/1992 | CA2101071A1 Transmission of multiple carrier signals in a nonlinear system |
08/01/1992 | WO1992014324A1 High speed data detection and clock recovery in a received multi-level data signal |
07/30/1992 | DE4201918A1 Line signal coding method for synchronous digital transmission - interlacing bits or bytes of signal and polarity bit before coding |
07/30/1992 | DE4201917A1 Decision circuit for binary signal - has differential amplifier in feedback loop between output of comparator and input coupling capacitor |
07/29/1992 | EP0496677A2 Adaptive equalizers |
07/29/1992 | EP0496467A2 Receiver for digital transmission system controlled by the measured quality factor of the signal and with improved power consumption |
07/29/1992 | EP0496277A2 Output stage for a digital circuit |
07/29/1992 | EP0496152A2 Viterbi equaliser with variable number of states |
07/28/1992 | US5134632 Decoding binary-coded transmissions |
07/28/1992 | US5134311 Self-adjusting impedance matching driver |
07/23/1992 | DE4201468A1 Bus system for car telephone - has subscriber integrated voltage supply providing voltage to all subscriber's from voltage source with inner resistance |
07/22/1992 | EP0495660A1 Multi-amplitude sampling generating apparatus and method |
07/22/1992 | EP0494877A1 Wideband digital equalizers for subscriber loops |
07/21/1992 | US5132989 Method of transmitting a sequence of m binary words of "p" bits and transmission arrangement implementing this method |
07/21/1992 | US5132988 Adaptive decision feedback equalizer apparatus for processing information stored on digital storage media |
07/21/1992 | US5132926 Token ring equalizer |
07/21/1992 | US5132564 Bus driver circuit with low on-chip dissipation and/or pre-biasing of output terminal during live insertion |
07/15/1992 | EP0494696A2 Quadrature modulation circuit |
07/15/1992 | EP0494555A1 Line receiver for an information transmission network |
07/15/1992 | EP0494447A1 High speed latch transceiver |
07/15/1992 | EP0494429A1 Method of demodulation with judgement stage for binary data |
07/15/1992 | EP0494420A1 Current sink |
07/14/1992 | US5131015 Combined BAUD rate generator and digital phase locked loop |
07/14/1992 | US5131011 Receiver for data transmission system with nonlinearities |
07/14/1992 | US5130980 Data communication system with protection of error propagation |
07/14/1992 | US5130862 Coding apparatus for converting digital signals into ternary signals whose dc component is equal to zero |
07/14/1992 | CA1305258C Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit |
07/14/1992 | CA1305228C Method and device for transmetting the signals of a digital service channel over the parity channel of a digital stream transmitted with a parity control code |
07/07/1992 | US5128967 Symbol state trellis maximum likelihood detection method |
07/07/1992 | US5128962 Line interface circuit and a method of testing such a circuit |
07/07/1992 | US5128792 Self-synchronizing infra-red communication system |
07/07/1992 | CA1304848C Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises |
07/07/1992 | CA1304805C Data transmission system |
07/01/1992 | EP0493044A2 Digital modulation |
07/01/1992 | EP0492613A1 High speed data transceiver |
07/01/1992 | EP0492325A2 Method and circuit for the regeneration of a binary bitstream from a ternary signal |
07/01/1992 | CN1017298B Self-tuning direct coupled data limiter of battery saver type paging receiver |
07/01/1992 | CN1017296B Ensemble modem structure for imperfect transmission media |
07/01/1992 | CN1017294B Soft decision decoding with channel equalization |
06/30/1992 | US5127051 Adaptive modem for varying communication channel |
06/30/1992 | US5127023 Retiming decoder/encoder |
06/30/1992 | US5126601 Driver and receiver for a differential-signal electrical interface |
06/30/1992 | CA1304455C Adaptive equalizer included in the receiver for a data transmission system |
06/24/1992 | EP0491054A1 Circuit for extracting asynchronous signal |
06/24/1992 | EP0476125A4 Treillis precoding for fractional bits/baud |
06/23/1992 | US5124991 Error correction for infrared data communication |
06/23/1992 | US5124979 Digital data transmission device for a composite transmission signal comprising a main data and a subdata signal |
06/23/1992 | US5124673 Level independent automatic cable equalizer |
06/23/1992 | US5124591 Low power push pull driver |
06/21/1992 | WO1992011708A1 Apparatus and method for equalizing a corrupted signal in a receiver |
06/21/1992 | WO1992011703A1 Apparatus and method of dc offset correction for a receiver |
06/21/1992 | CA2097694A1 Apparatus and method for equalizing a corrupted signal in a receiver |
06/17/1992 | EP0490752A1 Threshold triggering method and circuit |
06/17/1992 | EP0490618A1 Scrambling/descrambling circuit |
06/17/1992 | EP0490551A2 Technique for compensating for intersymbol interference |
06/17/1992 | EP0490504A2 Multilevel line coding scheme |
06/17/1992 | EP0489927A1 Light-receiving circuit |
06/17/1992 | DE4039765A1 Data signal stop bit removing circuit - uses phase regulating loop with phase comparator matching frequency of write and read clock with read clock phase adjustment |
06/16/1992 | US5123030 Timing extraction method and communication system |
06/11/1992 | WO1992010066A1 Spectrally selective dithering and color filter mask for increased image sensor blue sensitivity |
06/11/1992 | WO1992010029A1 Adaptive decision feedback equalizer apparatus for processing information stored on digital storage media |
06/10/1992 | EP0489194A1 Circuit arrangement |
06/09/1992 | US5121211 System for echo cancellation comprising an improved ghost cancellation reference signal |
06/09/1992 | US5120998 Source terminated transmission line driver |
06/09/1992 | CA1303216C Data transmission and detection system |
06/04/1992 | DE4038315A1 Microcomputer for controlling domestic equipment - with noise protection provided by low pass filter circuit coupled across oscillator |
06/04/1992 | DE4038251A1 Max probability receiver e.g. for mobile communications |
06/03/1992 | EP0488893A1 Method and device for conveying binary differential signals and application in carry select adders |
06/03/1992 | EP0488575A2 Technique for adjusting signal dispersion cancellation apparatus in communications systems |
06/03/1992 | EP0488506A2 Differential receiver for detecting and correcting polarity inversion |
06/03/1992 | EP0488456A2 Maximum likelihood receiver |
06/03/1992 | EP0488325A2 Parallel scrambler used in sonet data transmission |
06/02/1992 | US5119404 Signal receiver |