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)
09/1984
09/25/1984US4473802 Electrical signal converter with step variable gain
09/25/1984CA1175124A2 Voiceband data set
09/19/1984EP0119140A1 Method and apparatus for transcoding binary information for time domain multiplex transmission
09/18/1984US4472813 Data transmission system
09/18/1984US4472812 Kalman equalizer
09/18/1984US4472803 Digital transmitting system
09/18/1984US4472711 Method and apparatus for synchronizing a station connected in a data line
09/18/1984US4472686 Circuit for reproducing and demodulating modulated digital signals
09/13/1984WO1984003598A1 Method and devices for transcoding binary informations for timedivision multiplex transmission
09/12/1984EP0118121A2 Improvements in or relating to an apparatus for encoding and decoding sequential information in data handling systems
09/12/1984EP0118119A2 Timing synchronizing circuit
09/12/1984EP0117916A2 Optical star bus with an active coupler
09/11/1984US4471494 Optical transmission system for high frequency digital signals
09/11/1984US4471451 Digital data sense amplifier and signal differentiator
09/11/1984US4471399 Power-line baseband communication system
09/11/1984US4471243 Bidirectional interface
09/11/1984US4470685 Photographic system
09/11/1984CA1174302A1 Low power digital bus
09/11/1984CA1174298A1 Biphase detector
09/11/1984CA1174297A1 Bi-phase modulator/demodulator
09/04/1984US4470112 Circuitry for allocating access to a demand-shared bus
09/04/1984CA1173965A1 Method and device for detecting the training sequence of a self-adaptive equalizer
08/1984
08/30/1984WO1984003404A1 Pcm signal transfer system
08/29/1984EP0116902A2 Method and arrangement for the adaptive attenuation and group delay equalization at the receiving side
08/29/1984EP0116603A1 Digital signal transmission and receiving apparatus
08/28/1984US4468791 Method and facility for decoding a biphase-code and application of the method
08/28/1984US4468787 Ternary data transmission system
08/28/1984US4468786 Nonlinear equalizer for correcting intersymbol interference in a digital data transmission system
08/28/1984US4468785 Telemetry system with signal booster for digital data transmission through a transmission line
08/28/1984US4468705 Data transition enhancement
08/28/1984CA1173521A1 Control circuit for semiconductor element with control electrode
08/21/1984US4467282 High-frequency magnet system for nuclear spin tomography
08/15/1984EP0116020A1 Method for generation of a run length limited coded data stream
08/14/1984US4466111 Synchronization apparatus and method
08/14/1984US4466107 Data communication system
08/14/1984US4466089 Information signal reproducing apparatus
08/14/1984US4466000 Data communication system
08/14/1984CA1172771A1 Memory controller with interleaved queuing apparatus
08/14/1984CA1172767A1 Write precompensation and write encoding for fm and mfm recording
08/14/1984CA1172766A1 Mfm data encoder with write precompensation
08/14/1984CA1172765A1 Receive buffer for converting synchronous-to- asynchronous data
08/08/1984EP0115327A2 CMI-decoder
08/07/1984US4464765 Burst signal transmission system
08/07/1984US4464746 Arrangement for correcting pulse distortion in homochronous data transmission
08/07/1984US4464714 System for transmitting digital information, coding arrangement for use in that system, decoding arrangement for use in that system and record carrier for use in that system
08/07/1984CA1172331A1 Self-clocking data transmission system
08/01/1984EP0114322A2 Method and arrangement for converting a two-level binary signal into a pulse-coded signal presenting data pulses and refreshing pulses
08/01/1984EP0114320A2 Voltage offset producing circuit for use with a line receiver or the like
08/01/1984EP0114268A2 Modular circuit
07/1984
07/31/1984USRE31638 Wideband transceiver with EMI suppression
07/31/1984US4463445 Circuitry for allocating access to a demand-shared bus
07/31/1984US4463354 Apparatus for communicating utility usage related information from a utility usage location to a portable utility usage registering device
07/24/1984US4462052 Device for interrogating and correcting a serial data signal
07/24/1984US4462051 Demodulator for an asynchronous binary signal
07/24/1984CA1171536A1 Device for interrogating and correcting a serial data signal
07/24/1984CA1171470A1 Fast start-up system for transversal equalizers
07/24/1984CA1171469A1 Automatic equalizer
07/19/1984WO1984002818A1 Automatic gain control circuit
07/19/1984WO1984002817A1 Method of transferring digital signal
07/17/1984US4461012 Transmitter and receiver for transmitting digital signals
07/17/1984US4461011 Method and apparatus for converting binary information into a high density single-sideband signal
07/17/1984US4460957 Self-pacing serial keyboard interface for data processing system
07/17/1984CA1171153A1 Microprocessor based digital to digital converting dataset
07/11/1984EP0113082A2 Optical signal receiving apparatus
07/11/1984EP0112951A1 Method and device for transmitting information bits from one microchip to another
07/10/1984US4459699 In a data transmission system receiver
07/10/1984US4459698 Variable equalizer
07/10/1984US4459591 Remote-control operating system and method for selectively addressing code-addressable receivers, particularly to execute switching function in automotive vehicles
07/10/1984CA1170772A1 Method and device for encoding binary data
07/10/1984CA1170756A1 Remote seismic data system
07/05/1984WO1984002620A1 Cmos circuit using transmission line interconnections
07/04/1984EP0112429A1 System for the transmission of data by repetitive sequences
07/04/1984EP0112395A1 Training system for data receiver
07/03/1984CA1170334A1 Bit synchronizer
07/03/1984CA1170330A1 Combined use of pn sequence for data scrambling and frame synchronization in digital communication systems
07/03/1984CA1170317A1 Transversal equalizer
06/1984
06/27/1984EP0112107A2 Data transmitting-receiving system
06/27/1984EP0112043A2 Self-clocking binary receiver
06/27/1984EP0111968A1 Transmission system for the transmission of binary data symbols
06/26/1984US4457004 Signal processing apparatus
06/26/1984US4456992 Method and apparatus for enhancing the probability of error-free reception of digital signals
06/26/1984US4456905 Method and apparatus for encoding binary data
06/26/1984US4456884 Phase-lock loop and Miller decoder employing the same
06/26/1984CA1169928A1 Electrical data pulse processing
06/26/1984CA1169681A1 Signal filter method and apparatus
06/21/1984WO1984002432A1 Ternary encoding and decoding of digital data
06/20/1984EP0111309A2 CMI decoder
06/19/1984US4455661 Dual processor digital modem apparatus
06/13/1984EP0110179A2 Multi-level transfer circuitry for transmitting digital signals between integrated circuits
06/13/1984EP0091488A4 Bus system.
06/12/1984US4454383 Asynchronous data transmission method and circuitry
06/12/1984CA1169152A1 Circuit for decoding a diphase signal
06/12/1984CA1169134A1 Adaptive system in a digital data receiver providing compensation for amplitude and phase distortions introduced by a data transmission channel
06/05/1984US4453255 Characteristic control system for a digital equalizer
06/05/1984US4453218 For determining oxygen saturation of blood
06/05/1984US4453157 Bi-phase space code data signal reproducing circuit
06/05/1984CA1168776A1 Automatic, digitally synthesized matching line terminating impedance
05/1984
05/30/1984EP0109658A1 Synchronous data transmission system
05/29/1984US4451880 Memory controller with interleaved queuing apparatus
05/29/1984CA1168391A1 Demultiplexing plural data streams
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