H04L 25 - Baseband systems - Patents Sitemap

Patents for H04L 25 - Baseband systems (55,083)
11/1988
11/08/1988	US4783791 Multiple reproducing repeater station system
11/08/1988	US4783786 CMI signal transmission system
11/08/1988	US4783658 Method and system for detecting encoded radio signals
11/08/1988	US4783643 Impedance transforming circuit for multibit parallel digital circuits
11/08/1988	US4783636 Amplifiers providing balanced output signals
11/03/1988	WO1988008582A1 Node for backplane bus
11/03/1988	WO1988008580A1 Backplane bus
11/02/1988	EP0289237A2 Improved manchester code receiver
11/02/1988	EP0288740A1 Circuitry for accelerating the voltage level change of a bus line in an integrated circuit
11/01/1988	US4782300 Differential transceiver with line integrity detection
11/01/1988	CA1244138A1 Data transmitting-receiving system
11/01/1988	CA1244110A1 Transmitting data processing system
10/1988
10/26/1988	EP0287776A2 Phase-locked data detector
10/26/1988	EP0287586A1 Data transmission system and method for use therein.
10/25/1988	US4780888 Method and arrangement for disturbance-proof recognition of data contained in data signals
10/25/1988	US4780629 Network for processing high-bit-width data comprising a transmitter and a plurality of receivers
10/25/1988	CA1243787A1 Variable bandwidth switching system
10/25/1988	CA1243750A1 On-line serial communication interface from a transmitter to a current loop
10/25/1988	CA1243737A1 Self-synchronizing scrambler
10/19/1988	CN88101702A System for transmission of signals between reception assembly lowered into well and central and recording laboratory
10/18/1988	US4779264 Multiplex system including shielded cable
10/18/1988	US4779073 Apparatus for 3B-2T code conversion
10/12/1988	EP0286609A1 Encoding method in transmission of plurality of oversampled data channels, and apparatus for carrying out the method
10/12/1988	EP0285954A1 Automatic equaliser for digital transmission
10/11/1988	US4777453 Quadrature amplitude modulator using switched capacitor filter
10/11/1988	US4777452 Bit clock signal generator for use in a digital signal demodulator
10/11/1988	CA1243123A1 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
10/06/1988	WO1988007791A1 Low-noise transmission line termination circuitry
10/06/1988	DE3710008A1 Method for reducing a digital noise signal comprising a sequence of pulsed interference in a digital input signal and circuit arrangement to carry out this method
10/05/1988	EP0285507A1 Signal transmission system between a receiver unit down in a borehole and a central control and receiving station
10/04/1988	US4775987 Broadband digital transmission systems
10/04/1988	US4775984 Synchronous digital cable transmission system
10/04/1988	US4775840 Noise removing circuit
10/04/1988	US4775807 Single ended receiver circuit with hysteresis
10/04/1988	CA1242819A1 Integrated voice/data/control switching system
09/1988
09/29/1988	DE3707762A1 Frequency detector
09/28/1988	EP0284164A1 Decoding unit for CMI-encoded signals
09/27/1988	US4774717 For generating a rectangular waveform signal
09/27/1988	CA1242502A1 Arrangement for receiving digital data comprising an arrangement for adaptive rate recovery
09/22/1988	WO1988007301A1 Method and apparatus for transmitting a synchronous data signal on a transmission medium on which the transmission rate is greater than the data signal bit rate
09/22/1988	WO1988007300A1 Jitter control in digital communications links
09/21/1988	EP0283077A1 Apparatus for decoding dual binarily coded signals
09/21/1988	EP0282924A2 Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit
09/21/1988	EP0282559A1 Remote accessible memory devices
09/20/1988	US4773084 Synchronizing pattern
09/20/1988	US4773082 RF modem with improved binary transversal filter
09/20/1988	CA1242252A1 Data transmission system
09/14/1988	EP0282102A2 Binary data communication system
09/14/1988	EP0282101A2 Receive coupler for binary data communication systems
09/13/1988	US4771463 Digital scrambling without error multiplication
09/13/1988	US4771440 Data modulation interface
09/13/1988	US4771421 Apparatus for receiving high-speed data in packet form
09/13/1988	US4771400 Bit density controller
09/13/1988	CA1242029A1 Timing recovery circuit for manchester coded data
09/13/1988	CA1242011A1 Self-synchronising descrambler
09/07/1988	WO1988006819A1 Encoding and decoding system for electronic data communication system
09/07/1988	EP0281376A2 Multiplex control system
09/07/1988	EP0281313A2 Digital receive filter circuit
09/07/1988	EP0281308A2 Decision-directed control circuit and method of adjusting decision-directed apparatus
09/06/1988	US4768850 Cascaded fiber optic lattice filter
09/06/1988	CA1241755A1 Biphase code generating apparatus
09/06/1988	CA1241707A1 Digital line receiver
09/01/1988	DE3805582A1 Codier- und decodiereinrichtungen fuer kanaele mit partialcharakteristik Encoding and decoding equipment for channels with partialcharakteristik
08/1988
08/31/1988	EP0279909A2 Variable lenght code and devices for high frequency transmission
08/30/1988	US4768206 Data transmission system
08/30/1988	CA1241448A1 Method of, and a circuit for, estimating true data from distorted digital data signals
08/30/1988	CA1241447A1 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
08/30/1988	CA1241390A1 Multi-level decision circuit
08/30/1988	CA1241384A1 Serial-to-parallel converter for high-speed bit streams
08/25/1988	WO1988006384A1 An encoder/decoder system and methodology utilizing conservative coding with block delimiters, for serial communication
08/24/1988	EP0279491A2 Monitoring circuit for a binary signal
08/23/1988	US4766606 Signal repeater for multi subscriber communication over single pair telephone line
08/23/1988	US4766589 Data transmission system
08/23/1988	US4766495 Phase error correcting apparatus
08/23/1988	US4766402 Apparatus for matching unbalanced R. F. baseband signals to balanced signals on a twisted two-wire line
08/23/1988	US4766334 Level clamp for Tri-state CMOS bus structure
08/23/1988	CA1241121A1 Process for the parallel-series code conversion of a parallel digital train and a device for the transmission of digitized video signals using such a process
08/23/1988	CA1241120A1 Alternate mark inversion (ami) receiver
08/16/1988	US4764980 System for measuring delay time variation in optical fiber digital communication system
08/16/1988	US4764939 Cable system for digital information
08/16/1988	US4764923 Digital receive filter circuit
08/16/1988	US4764918 Telecommunication switching system
08/16/1988	CA1240743A1 System for selectively coupling a plurality of stations into a single communications path
08/16/1988	CA1240739A1 Digital data decoder and method
08/16/1988	CA1240738A1 Digital envelope detection circuit
08/11/1988	WO1988005983A1 Spectrally efficient digital modulation method and apparatus
08/10/1988	EP0277855A1 Binary-to-bipolar converter
08/10/1988	EP0277395A1 Method of transmitting information by means of code signals, information transmission system for carrying out the method, and transmitting and receiving apparatus for use in the transmission system
08/10/1988	EP0277393A1 Arrangement for cancelling intersymbol interference and noise
08/10/1988	EP0277392A1 Data transmission system comprising smearing filters
08/09/1988	US4763340 Capacitive coupling type data transmission circuit for portable electronic apparatus
08/09/1988	US4763338 Synchronous signal decoder
08/09/1988	US4763318 Transmission and reception of synchronous data and timing signals using a steady bit stream
08/09/1988	US4762992 Error detection system for two-state fiber optic sensors
08/09/1988	CA1240367A1 Apparatus and method for producing a signal-to-noise ratio figure of merit for digitally encoded-data
08/04/1988	DE3701866A1 Method for pre-emphasising digital baseband signals
08/03/1988	EP0276641A2 Data coding interface
08/03/1988	EP0276445A2 Method and apparatus for detecting transient errors
08/03/1988	EP0276277A1 Data communications system having noise reduction means.
08/02/1988	US4761797 Flexible regenerator

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