Circuit arrangement for the time division multiplex transmission

Details Circuit arrangement for the time division multiplex transmission Circuit arrangement for the time division multiplex transmission

1975-06-06

1976-10-05

Stewart, David L.

Telegraphy

Systems

Printing

179 15A, H04J 304, H04L 522

Patent

active

039846326

ABSTRACT:
A circuit arrangement for facilitating the transmission of asynchronously occurring binary data values is described. Each binary value change is assigned a multi-bit pulse group in the frame of a coarse scanning pulse train. A pulse discriminator, upon the occurrence of a binary value change and upon the arrival of a scanning signal, emits a write-in command which causes the pulse group to be placed in a register. A counter is provided for counting the number of coarse scanning pulses occurring from the time of occurrence of the write-in command. Prior to reaching a predetermined count, the counter blocks further write-in commands, and after reaching the predetermined count, the write-in commands are released. Thus, a correctly formed pulse group is emitted even though the received binary values might be distorted.

REFERENCES:
patent: 3523278 (1970-08-01), Hinkel
patent: 3535450 (1970-10-01), Vollmeyer
patent: 3627945 (1971-12-01), Diggelmann
patent: 3818143 (1974-06-01), Vrba

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