Data communication apparatus

Details Data communication apparatus Data communication apparatus

1987-10-20

1989-05-09

Smith, Jerry

Excavating

G08C 2502

Patent

active

048295248

ABSTRACT:
There is a data communication apparatus having a transmitting section to divide data into a plurality of units and transmit the data and a memory section to store the data. This apparatus reads out the data of the designated unit from the memory section in response to a retransmission request signal from the reception side and a signal indicative of the designated unit and then retransmits the readout data from the transmitting section. Thus, even if the transmission error occurs the data can be retransmitted from the corresponding line and the retransmission is efficiently executed.

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patent: 4583124 (1986-04-01), Tsuji
patent: 4589111 (1986-05-01), Adachi
patent: 4710925 (1987-12-01), Negi

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