Dot matrix printer control and storage device

Details Dot matrix printer control and storage device Dot matrix printer control and storage device

1985-11-20

1987-06-23

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400303, 400323, 364518, B41J 312

Patent

active

046748954

ABSTRACT:
A printer capable of operating in a bidirectional printout mode by converting a print code to pattern data and using a print head in which print elements are arranged in a plurality of arrays. A buffer control is provided for controlling in a ring structure entry and retrieval of pattern data into and out of an image buffer. A detachable font cassette stores the pattern data and data associated with print configurations. A pattern data store stores print pattern data in blocks for each of the print element arrays.

REFERENCES:
patent: 4159882 (1979-07-01), Sanders et al.
patent: 4388010 (1983-06-01), Mott
patent: 4459050 (1984-07-01), Goldberg

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