| Patents for H04L 25 - Baseband systems (55,083) |
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| 02/10/1987 | US4642810 Repetitive sequence data transmission system |
| 02/10/1987 | US4642807 Fault tolerant receiver |
| 02/10/1987 | US4642632 Digital paging system having bit rate switching means and digital paging receiver therefor |
| 02/10/1987 | US4642629 Enhanced distance data transmission system |
| 02/10/1987 | CA1217843A Digital span transmission circuit |
| 02/05/1987 | DE3525519A1 Rbertragungssystem Rbertragungssystem |
| 02/04/1987 | EP0210506A2 Transmitting and receiving device |
| 02/04/1987 | EP0210395A2 Coding method |
| 02/03/1987 | US4641327 Frame synchronization in trellis-coded communication systems |
| 02/03/1987 | US4641324 Signal correction apparatus |
| 02/03/1987 | US4641318 Method for improving the reliability of data transmission over Rayleigh fading channels |
| 02/03/1987 | US4641317 Spread spectrum radio transmission system |
| 02/03/1987 | US4641303 Method and circuit arrangement for the transmission of data signal bits occurring with a first bit rate in a bit stream having a second bit rate which is higher than the first bit rate |
| 02/03/1987 | US4641128 Method of encoding a stream of data bits, arrangement for performing the method and arrangement for decoding the stream of channel bits obtained in accordance with this method |
| 02/03/1987 | CA1217564A1 Serial to parallel data conversion circuit |
| 01/29/1987 | WO1987000713A1 Asynchronous addressable electronic key telephone system |
| 01/29/1987 | WO1987000712A1 Transmission system |
| 01/28/1987 | EP0209839A2 Apparatus and method for decoding a sequence of pseudo-ternary digital signals |
| 01/27/1987 | US4639936 Data transmission signal apparatus |
| 01/27/1987 | US4639935 Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission |
| 01/27/1987 | US4639727 Data transmission system of optto-couplers |
| 01/27/1987 | US4639548 Digital communication system including an error correcting encoder/decoder and a scrambler/descrambler |
| 01/22/1987 | DE3526051A1 Digital communication system with an nB/(n+1)B line code |
| 01/22/1987 | DE3524871A1 Method for optical transmission of binary signals and arrangement to carry out the method |
| 01/17/1987 | CN85101276A Process for separating water vapour from a gaseous mixture containing water vapour and methane |
| 01/14/1987 | EP0208558A2 A CMI signal transmission system |
| 01/14/1987 | EP0208537A2 Communication systems |
| 01/14/1987 | EP0208030A1 Decision feedback adaptive equalizer acting on zero states following a non-zero state |
| 01/13/1987 | US4637037 Biphase signal receiver |
| 01/13/1987 | US4637036 Circuit arrangement for a data acquisition circuit of a PCM processor and a method for improving waveform of PCM signal eye pattern |
| 01/13/1987 | US4636654 GaAs differential line receiver with positive feedback |
| 01/07/1987 | EP0207595A2 A rate adaptation circuit and method for asynchronous data on digital networks |
| 01/07/1987 | EP0207243A2 Error correction mechanism |
| 01/06/1987 | US4635276 Asynchronous and non-data decision directed equalizer adjustment |
| 01/02/1987 | DE3523238A1 Method for the transmission of digital signals |
| 01/02/1987 | DE3522346A1 Method for transmitting data via optical waveguides |
| 12/31/1986 | CN85103998A High-speed digital loop transceiver |
| 12/30/1986 | US4633489 Interface unit inserted between a data transfer unit and a processor unit |
| 12/30/1986 | US4633482 Method of and arrangement for determining the optimum position of the reference tap of an adaptive equalizer |
| 12/30/1986 | US4633465 Eye violation detectors |
| 12/30/1986 | US4633464 Control signalling arrangement for a digital transmission system |
| 12/30/1986 | US4633225 Impedance line matching device using feedback |
| 12/30/1986 | EP0206770A2 Coded modulation system with a simplified decoder capable of reducing the effects of channel distortion |
| 12/30/1986 | EP0206443A2 Decoder for digital radio-received data and method |
| 12/30/1986 | EP0206409A1 Higher order digital transmission system including a multiplexer and a demultiplexer |
| 12/30/1986 | EP0206264A2 Expanded partial response processing for analog signal enciphering and the like |
| 12/30/1986 | EP0205563A1 System for selectively coupling a plurality of data stations into a single communications path. |
| 12/30/1986 | EP0205460A1 Receiver having a self biasing direct coupled data limiter |
| 12/30/1986 | EP0081499B1 Data operated squelch |
| 12/23/1986 | US4631737 Self biasing direct coupled data limiter |
| 12/23/1986 | US4631695 Detector of predetermined patterns of encoded data signals |
| 12/23/1986 | CA1215782A1 Code generator |
| 12/23/1986 | CA1215781A1 Biphase signal receiver |
| 12/17/1986 | EP0205305A2 Data transmission and detection method |
| 12/17/1986 | EP0205150A1 Process and device for the reduction of the jitter of a synchronous digital pulse train to recover its rhythm |
| 12/17/1986 | EP0205009A2 System for encoding a data stream into a run length limited symbol string |
| 12/17/1986 | EP0204745A1 Data modem system. |
| 12/17/1986 | CN85106794A Method and apparatus for converting a run length limited code |
| 12/16/1986 | US4630286 Device for synchronization of multiple telephone circuits |
| 12/16/1986 | US4630284 Low power line driving digital transmission system |
| 12/10/1986 | EP0204376A2 Ternary signal scanning device |
| 12/10/1986 | EP0204308A2 Modem communication system having training means and method for training same |
| 12/09/1986 | US4628507 Bit error detection circuit for PSK-modulated carrier wave |
| 12/09/1986 | US4628474 Modified duobinary filter using saw technique |
| 12/09/1986 | US4628309 System and device for remote surveillance of equipment on a digital transmission link without interrupting traffic |
| 12/09/1986 | US4628297 Code modulation system |
| 12/09/1986 | US4628282 Clock generator for digital demodulators |
| 12/09/1986 | CA1215134A1 Process for restoring to shape a deformed numerical signal and device for putting the process into effect |
| 12/09/1986 | CA1215132A1 Method and apparatus for digital signal processing |
| 12/09/1986 | CA1215122A1 Infra-red data communication system for coupling a battery powered data entry device to a microcomputer |
| 12/09/1986 | CA1215119A1 Fiber optic digital data transmitting system |
| 12/04/1986 | WO1986007223A1 Ensemble modem structure for imperfect transmission media |
| 12/03/1986 | EP0203757A2 Digital transmission system using an auxiliary low-frequency channel |
| 12/02/1986 | US4627079 Method and apparatus for acquiring and tracking a communications signal |
| 12/02/1986 | US4627076 Low power digital bus |
| 12/02/1986 | US4627073 Binary data transmission method |
| 12/02/1986 | US4627072 Equalizer modifying a phase of a gain control signal to carry out equalization |
| 12/02/1986 | US4626826 Method and apparatus for encoding and decoding an NRZI digital signal with low DC component and minimum low frequency components |
| 12/02/1986 | CA1214881A1 Digital transmission systems |
| 12/02/1986 | CA1214879A1 Digital transmission system |
| 11/26/1986 | EP0202708A2 D.C. block capacitor circuit |
| 11/26/1986 | EP0202687A2 Noise-free terminal station compatible with existing master stations |
| 11/26/1986 | EP0202601A2 Optical pulse receiving circuit |
| 11/26/1986 | CN86103406A Ensemble modem structure for imperfect transmission media |
| 11/25/1986 | US4625320 Automatic bias circuit |
| 11/20/1986 | EP0201935A2 Method and circuit for suppressing sequential "zeroes" data |
| 11/18/1986 | CA1214224A1 Method of and arrangement for determining the optimum position of the reference tap of an adaptive equalizer |
| 11/12/1986 | CN85103698A Transmitting a digital signal and an additional signal |
| 11/12/1986 | CA1213956A Asynchronous data transmission method and circuitry |
| 11/12/1986 | CA1213944A Apparatus for improving the data transmission rate in a telemetry system |
| 11/12/1986 | CA1213943A Digital signal transmission system |
| 11/12/1986 | CA1213942A Digital signal transmission system |
| 11/11/1986 | US4622586 Digital slicer having a pulse-width locked loop |
| 11/11/1986 | US4622481 Digital envelope detection circuit |
| 11/04/1986 | US4621368 Digital transmission system |
| 11/04/1986 | US4621367 Signal level compensation in an in-line data communication system |
| 11/04/1986 | US4621366 Modem equalizer training using previously stored parameters |
| 10/29/1986 | EP0199147A1 Circuit arrangement for retrieving digital data signals and clock signals included in these data signals |
| 10/29/1986 | EP0131055B1 Automatic gain control circuit |
| 10/28/1986 | US4620321 Optical fibre receiver |