Modem system
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United States of America Patent
Stats
-
Apr 3, 1990
Grant Date -
N/A
app pub date -
Aug 26, 1988
filing date -
Sep 1, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A modem system includes an RS232C interface; a modulator/demodulator; an input-output device having a parallel interface connected with a data terminal unit having no communication function or having a parallel specification; a parallel-to-serial converter for performing the mutual conversion between parallel data and serial data; a memory for temporally storing the transmitted or recieved data; and a controller for controlling the transmission and reception of data. The modem system can perform the convertion between RS232C specification data and centronix specification data such that a parallel specification printer or plotter having no communication function can be used as an output device for data transmitted to the modem system through the telephone network.
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