Method for activating and for driving printing elements

Details Method for activating and for driving printing elements Method for activating and for driving printing elements

1992-02-04

1993-09-07

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400121, B41J 2485

Patent

active

052422313

ABSTRACT:
The invention relates to a process for driving printing elements of a dot matrix printer in which the matrix dots to be printed are to be thinned out without any thin lines, in particular steeply inclined thin lines, being lost. To this end, before thinning out each matrix dot to be printed is associated with another matrix dot disposed on a nearest neighbor grid point in a certain direction of addition. After thinning out, the respective characters or images are printed sufficiently well and clearly. The process is intended for use in dot matrix printers.

REFERENCES:
patent: 4799068 (1989-01-01), Saito et al.
IBM: Technical Dsiclosure Bulletin, vol. 27, No. 9, Feb. 1985, "Improvement of Digital Typeface Printing", Colby.
IBM Techmical Disclosure Bulletin, vol. 27, No:4B, Sep. 1984, p. 2504.

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