Matches 1 - 16 out of 16
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5317690 Special sensor applied meteorological image process  
A data decommutator architecture for decommutating an input data stream has a sync correlator section for synchronizing the input data stream including a sync code correlator formed of a first...
4558455 Data transmission system  
In the modem based data transmission system the transmitting section provides a bit from each terminal (DTE) to be stored into a transmission buffer register (BX) under the control of an external...
EP0104294A1 Data transmission system.  
Abstract not available for EP0104294 Abstract of corresponding document: US4558455 In the modem based data transmission system the transmitting section provides a bit from each terminal (DTE) to...
4314368 Receiver for pulse code multiplexed signals  
Simple and reliable decoding of T-1 type pulse code information is achieved by combining a fast-acting recirculating frame recovery circuit with a simplified signal output register. The frame...
4247937 Synthesis arrangements for use in digital data transmission systems  
In highspeed digital communication systems a number of tributary data streams may be multiplexed into a single main data stream having a higher aggregate data rate. This main data stream contains...
4053715 Stuffing channel unit for telephone PCM system  
A stuff system for converting a 50 KBS pulse train to standard 64 KBS provides a 3 bit 101 and 5 bit 01001 control bit stuffing code which tolerates both single and double errors without producing...
4045618 Device for synchronizing a binary data train in relation to a reference train  
The invention comes within the field of digital transmission and concerns e synchronization of two bit trains in relation to the beginning of a frame. According to the invention, one of the trains...
3970798 Time division multiplex data transmission system  
The structure described is a switching-processing node for high speed data transmission systems. Information is transmitted in time slot channels, one of which is control information. Data to be...
3969586 Multiplex signal transmission device  
A multiplex signal transmission device for use in a multiplex communication system based on a time sharing method, which device comprises a transmitter and a receiver each having a counter circuit...
3862373 ADAPTIVE SAMPLING RATE TIME DIVISION MULTIPLEXER AND METHOD  
The disclosed multiplexer responds to data appearing on separate channels at different signalling speeds or bit rates. At least two sampling rates are selected. One of the sampling rates is a base...
3840705 DATA CHANNEL UNIT FOR A PCM TDM SYSTEM  
A data terminal is disclosed, containing internal clocks, which is designed to replace conventional audio channel units of the D1 channel bank of the Bell System T1 carrier system, to permit the...
3830981 PULSE STUFFING CONTROL CIRCUIT FOR REDUCING JITTER IN TDM SYSTEM  
A pulse stuffing control circuit, for reducing waiting time jitter in a time division multiplex system, in which a sampling window is provided to determine the need for a stuffed pulse. The use of...
3806654 ARRANGEMENT FOR TRANSMITTING DIGITAL PULSES THROUGH AN ANALOG TDM SWITCHING SYSTEM  
A time division multiplex switching system for transmission of digital pulses from asynchronous pulse transmitters in which each incoming data stream is buffered until occurrence of an assigned...
3781818 DATA BLOCK MULTIPLEXING SYSTEM  
A time-division multiplexing system capable of combining the asynchronous data bit streams from a plurality of independent input data sources and outputting the data as a single, higher rate bit...
3748393 DATA TRANSMISSION OVER PULSE CODE MODULATION CHANNELS  
An arrangement to substitute data bits for and extract these data bits from at least one channel of a PCM-TDM intelligence (voice) communication system. The data bits do not have to be synchronized...
3702900 SYNCHRONIZING DEVICES  
This invention relates to synchronizing devices for telegraphy systems for processing binary coded signals having a start and stop signal element. According to the invention, a storage unit is...
Matches 1 - 16 out of 16