| Patents for H04L 25 - Baseband systems (55,083) |
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| 03/10/1988 | WO1988001809A1 Adaptive threshold sampling controller |
| 03/09/1988 | EP0258621A2 Digital sequence polarity detection with adaptive synchronization |
| 03/08/1988 | US4730347 Method and apparatus for reducing jitter in a synchronous digital train for the purpose of recovering its bit rate |
| 03/08/1988 | US4730343 Decision feedback equalizer with a pattern detector |
| 03/08/1988 | US4730342 Equalizer circuit for use in communication unit |
| 03/08/1988 | US4730267 Combination integrate and dump filter and level detector |
| 03/08/1988 | US4730265 Split-phase matched filter using single comparator |
| 03/02/1988 | EP0258031A2 Method and apparatus for data window centering in a multifrequency data separator |
| 03/02/1988 | EP0257183A2 Method for recovering digital signals after demodulation |
| 03/02/1988 | CN87105673A Three time slot digital subscriber line termination |
| 03/02/1988 | CN86100523B Baseband signal numeral shaping network |
| 03/01/1988 | US4728815 Data shaping circuit |
| 03/01/1988 | CA1233526A1 Method for transmitting messages between a central station and several distant stations |
| 03/01/1988 | CA1233525A1 Method for improving the reliability of data transmission over rayleigh fading channels |
| 02/24/1988 | EP0256844A2 Apparatus and method for interfacing a digital subscriber line |
| 02/24/1988 | EP0256700A2 Apparatus for synthesizing the modulation of a time varying waveform with a data signal |
| 02/24/1988 | EP0256506A2 Transmission system with balanced lines |
| 02/23/1988 | US4727540 Apparatus for remote signalling on a digital transmission link |
| 02/23/1988 | CA1233254A1 Two terminal impedance circuit |
| 02/23/1988 | CA1233233A1 Error correction scheme |
| 02/17/1988 | EP0053629B1 Voiceband data set |
| 02/11/1988 | DE3702315C1 Adaptive decision feedback equalisation of line signals in electrical communications |
| 02/09/1988 | CA1232689A1 Method and device for detecting errors in a stream of cmi-coded binary data |
| 02/04/1988 | DE3625589A1 CMI decoder |
| 02/03/1988 | EP0255046A1 Synchronous digital cable transmission system |
| 02/03/1988 | EP0255045A1 Logical detection circuit for a synchronous data transmission system with ternary symbols and to verify intersymbol interference of the partial response type class 1 n=2 |
| 02/03/1988 | EP0254952A2 Optical bus system with an optical data bus as well as a transmitting and a receiving part for such a system |
| 02/03/1988 | EP0254877A2 Automatic drift control circuit |
| 02/02/1988 | US4723246 Integrated scrambler-encoder using PN sequence generator |
| 01/28/1988 | WO1988000780A1 Optical communications transmitter and receiver |
| 01/28/1988 | WO1988000779A1 Data communications system having noise reduction means |
| 01/20/1988 | EP0253441A2 Digital circuit |
| 01/19/1988 | US4720839 Efficiency data transmission technique |
| 01/12/1988 | US4719616 Communication method and apparatus |
| 01/12/1988 | US4719530 Lightning protection system for a remote control circuit utilizing an isolation transformer |
| 01/12/1988 | CA1231451A1 Method and device for synchronous data transmission |
| 01/12/1988 | CA1231397A1 Waveform shaping apparatus |
| 01/12/1988 | CA1231388A1 Bit error detection circuit for psk-modulated carrier wave |
| 01/12/1988 | CA1231382A1 Signal transmission system having encoder/decoder without frame synchronization signal |
| 01/07/1988 | EP0251854A1 Method and device for the transmission of digital signals via higher rate data channels |
| 01/07/1988 | EP0250729A1 Apparatus for transmitting a data stream |
| 01/05/1988 | US4718118 Transparent laser drive current update for burst mode fiber optic communication system |
| 01/05/1988 | US4718073 Demodulator for facsimile equipment |
| 01/05/1988 | CA1231176A1 Group coding system for serial data transmission |
| 12/30/1987 | CN87104256A Telecommunication system comprising bus conductor and telecommunication stations connected to this bus conductor through transformers |
| 12/29/1987 | US4716584 Noise-free terminal station compatible with existing master stations |
| 12/29/1987 | US4716578 Circuit and method for the recovery of data from a digital data stream |
| 12/29/1987 | US4716577 For receiving continuous data streams |
| 12/29/1987 | US4716563 Demodulation of auxiliary low frequency channels in digital transmission systems |
| 12/29/1987 | US4716376 Adaptive FSK demodulator and threshold detector |
| 12/29/1987 | CA1230927A1 Transmission system for the transmission of data signals in a modulation band |
| 12/23/1987 | EP0250035A1 Telecommunication system comprising a bus conductor and telecommunication stations connected to this bus conductor through transformers |
| 12/22/1987 | US4715064 Adaptive hybrid circuit |
| 12/22/1987 | US4715049 Clock recovery and retiming scheme with saw filter phase trimming to achieve desired system phase adjustment |
| 12/16/1987 | EP0249284A1 Data transmission system using code conversion |
| 12/15/1987 | US4713829 Coded modulation system with a simplified decoder capable of reducing the effects of channel distortion |
| 12/15/1987 | US4713563 d.c. Block capacitor circuit for rejection of d.c. offset |
| 12/10/1987 | DE3618660A1 Circuit for generating a duobinary-coded signal for the D2 MAC television transmission system |
| 12/08/1987 | US4712217 System for transmitting digital information and maintaining a minimum paulse density |
| 12/08/1987 | US4712210 Signal conversion circuit for interconnecting coaxial cable and a twisted pair |
| 12/02/1987 | EP0247675A1 Transmitter for ISDN S-bus interface circuit |
| 12/02/1987 | EP0247652A1 Data transmission system using code conversion |
| 12/02/1987 | EP0247188A1 Cable system for digital information |
| 12/01/1987 | US4710976 Optical repeater monitoring system |
| 12/01/1987 | US4710891 Digital synthesis technique for pulses having predetermined time and frequency domain characteristics |
| 12/01/1987 | CA1229889A1 Maintenance response signalling arrangement for a digital transmission system |
| 11/30/1987 | EP0094431A4 Telemetry system with signal booster for digital data transmission through a transmission line. |
| 11/24/1987 | US4709416 Laser bias current stabilization for burst mode fiber optic communication system |
| 11/24/1987 | US4709378 Arrangement for generating a clock signal |
| 11/24/1987 | US4709227 Method and device for inserting a digital signal in a channel with higher flow rate |
| 11/24/1987 | US4709158 Arrangement for restoring the L.F. content of a digital signal |
| 11/19/1987 | DE3616596A1 CMI coder |
| 11/17/1987 | US4707842 Apparatus and method for acquiring data and clock pulses from asynchronous data signals |
| 11/17/1987 | US4707841 Digital data receiver for preamble free data transmission |
| 11/10/1987 | CA1229133A1 Radio relay method and its apparatus for digital communication |
| 11/05/1987 | WO1987006785A1 Apparatus useful in channel equalization adjustment |
| 11/05/1987 | DE3615014A1 Device for transmitting data signals and/or speech signals between an aircraft-towing vehicle and the aircraft being towed |
| 11/05/1987 | DE3614832A1 Isolating signal transmission circuit |
| 11/04/1987 | EP0244316A1 CMI decoder |
| 11/04/1987 | EP0243938A2 Protection channel monitoring system using a check signal comprising two different n-bit code patterns sequentially arranged at random |
| 11/03/1987 | US4704721 Clock phasing system for a telecommunications system receiver |
| 11/03/1987 | CA1228928A1 Data rate conversion and supervisory bit insertion in a data system |
| 11/03/1987 | CA1228926A1 Code modulation system |
| 10/27/1987 | US4703494 PCM signal transmission system |
| 10/27/1987 | US4703486 Communication data encoder/decoder component system architecture |
| 10/27/1987 | US4703471 Monolithically integrated electro-optical multiplexer/demultiplexer |
| 10/27/1987 | US4703282 Digital demodulation system |
| 10/22/1987 | WO1987006413A1 Method and apparatus for transferring data between two data processing equipments each driven by an independent clock |
| 10/21/1987 | EP0242166A2 Apparatus for transmitting digital signal |
| 10/20/1987 | US4701938 Data system |
| 10/20/1987 | US4701936 Apparatus and method for adjusting the receivers of data transmission channels |
| 10/20/1987 | US4701912 Device for transmitting packets in an asynchronous time-division network, and method of encoding silences |
| 10/20/1987 | US4701873 Method and a circuit arrangement for digital signal processing utilizing adaptive transversal filter techniques |
| 10/14/1987 | EP0241069A1 Adaptive transversal filter |
| 10/13/1987 | US4700359 Circuit arrangement for sampling a ternary signal |
| 10/13/1987 | US4700357 Synchronizing stage for the acquisition of a synchronizing signal having low jitter from a biternary data sequence |
| 10/08/1987 | WO1987006087A1 Multiconfigurable interface circuit |
| 10/07/1987 | EP0240157A2 A single transmission line bidirectional optical communication system |
| 10/07/1987 | EP0240146A2 Method and apparatus for the channelized serial transmission of redundantly encoded binary data |
| 10/07/1987 | EP0239844A1 Time regeneration circuit arrangement for wide band digital signals |