System for transmitting asynchronous bit transitions of data sig

Details System for transmitting asynchronous bit transitions of data sig System for transmitting asynchronous bit transitions of data sig

1977-07-12

1978-10-10

Stewart, David L.

Telegraphy

Systems

Printing

179 15BA, H04Q 1120

Patent

active

041197950

ABSTRACT:
A circuit arrangement for facilitating the transmission of asynchronously occurring binary data values is described. According to prior art systems, each binary value change is assigned a multibit pulse group by means of channel units. These channel units require considerable technical complexity if a great many data sources are present. It is the principal object of the invention to replace the channel units by a centralized device. In accordance with the teachings of the invention, there are provided at the transmit and receive ends centralized coarse and fine time slot Raster counters and bit transition discriminators which process the pulse messages of all channels.

REFERENCES:
patent: 3535450 (1970-10-01), Vollmeyer
patent: 3761621 (1973-09-01), Vollmeyer
patent: 3862369 (1975-01-01), Hessenmuller
patent: 3934093 (1976-01-01), Thyselius

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