Digital data communication apparatus

Details Digital data communication apparatus Digital data communication apparatus

H - Electricity

04

L

340/168

H04L 25/40 (2006.01) H04L 25/02 (2006.01)

Patent

CA 1226646

ABSTRACT An asynchronous one way digital data communica- tion system is disclosed in which a first microcomputer produces a series of groups of pulses at a first port repre- sentative of digits in an information packet to be transmitted, the groups being separated by strobe pulses at a second port. The pulses drive switched in two current paths to control current therethrough supplied by a receiver module including a second microcomputer having a serial input port connected to an internal counter and an interrupt port. Current detectors supply pulses corre- sponding to currents in the paths to the serial input and interrupt ports, from which the second microcomputer repro- duces the information packet.

462835

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