Control system for a dot matrix printer

Details Control system for a dot matrix printer Control system for a dot matrix printer

1990-10-10

1992-12-15

Wiecking, David A.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

340735, 395110, B41J 251

Patent

active

051710935

ABSTRACT:
A printing apparatus having a printhead which is moved relative to a print medium in a print direction. The printhead has at least one print elements aligned in the print direction. A print control receives print data to perform print operations, including the printing of two horizontally adjacent dots, such as for characters having portions which include two adjacent vertical lines of dots. The print control controls the print operations to provide the printing of two horizontally adjacent dots in high speed print mode as well as normal speed mode.

REFERENCES:
patent: 4415286 (1983-11-01), Jennings
patent: 4447882 (1984-05-01), Walz
patent: 4555191 (1985-11-01), Gojo
patent: 4941761 (1990-07-01), Ogawa et al.
patent: 5020927 (1991-06-01), Niikawa
H. E. Berkebile et al., "Draft-to-Text Font Conversion Algorithm"; IBM TDB; vol. 25, No. 10, pp. 5173-5174; Mar. 1983.
J. Kitamura; "Draft Font Generation"; IBM TDB; vol. 27, No. 4B, pp. 2504; Sep. 1984.

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