Programmable printer controller with multiline buffering and overstrike feature
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United States of America Patent
Stats
-
Apr 26, 1983
Grant Date -
N/A
app pub date -
Jan 22, 1981
filing date -
Jan 22, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This controller may be used to direct operations of a remote station impact line printer whose data source is a host computer. The controller includes a microprocessor (CPU), a memory large enough to accomodate a plurality of lines of textual data, and host computer and printer interfaces arranged in a firmware implementation. A multiline buffering feature includes capability for receipt of incomplete lines and printing of partial lines. An overstrike feature includes capability for printing more than one character at the same print point (e.g., underlining, or '0') without intervening horizontal escapement commands such as backspace or carriage return.
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Family
International Classification(s)
Cited Art Landscape
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