Communication protocol

Details Communication protocol Communication protocol

1987-08-13

1989-08-22

Fleming, Michael R.

Excavating

364900, G06F 500

Patent

active

048602922

ABSTRACT:
A method of communicating between two control units includes transmitting a message from one control unit to the other, checking the message at the other control unit for proper reception, if the reception is not proper, sending a NAK signal from the other to the one control unit, if the reception is proper, sending an ACK signal from the other to the one control unit, and upon receiving an NAK at said one control unit, resending the original message.

REFERENCES:
patent: 4304001 (1981-12-01), Cope
patent: 4352103 (1982-09-01), Staler
patent: 4402082 (1983-08-01), Cope
patent: 4574362 (1986-03-01), Spindel
patent: 4646300 (1987-02-01), Goodman

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