Incremental printing of symbolic information – Ink jet – Controller
Patent
1992-02-04
1994-12-20
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Controller
40012428, 395108, 395110, 382 55, B41J 2938, B41J 222, G01D 900, G06K 944
Patent
active
053749430
ABSTRACT:
A method for driving printing elements of a dot matrix printer provides that 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, the columns of the matrix are considered to be arranged next to each other in pairs, and before the matrix dots in each line (Z) of the matrix are thinned out, a matrix dot is placed before or after a matrix dot used initially to create the character, so that both matrix dots belonging to a pair of columns (SP1, SP5) are covered by a line (Z). During the subsequent thinning out, the lines are printed sufficiently well and clearly. The process is intended for use in dot matrix printers.
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patent: 5062724 (1991-11-01), Iizuka
patent: 5149212 (1992-09-01), Murakami
patent: 5155503 (1992-10-01), Tasaki et al.
patent: 5171093 (1992-12-01), Iwamoto et al.
patent: 5207517 (1993-05-01), Ito
patent: 5216753 (1993-06-01), Ng
patent: 5237344 (1993-08-01), Tasaki et al.
patent: 5242231 (1993-09-01), Lehmann et al.
IBM Technical Disclosure Bulletin, vol. 27, No. 4B, p. 2504 Kitamura: "Draft Font Generation".
Lehmann Manfred
Scherdel Stefan
Frahm Eric
Fuller Benjamin R.
Kasper Horst M.
Mannesmann Aktiengesellschaft
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