Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1986-10-14
1988-01-26
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9304, 400124, B41J 312
Patent
active
047214015
ABSTRACT:
A method of reducing the need for a reverse indexing capability during multi-pass printing. In environments permitting narrow line spacings, requiring multiple passes to print a line, and where platen indexing is by full head height increments, indexing for completing printing for one line may result in an overshooting of a subsequent print line. Without reverse indexing capabilities, the subsequent line cannot be printed at a proper location or on the subsequent print line. A solution to reduce the occurrence of this problem is to index the platen only to the extent necessary to complete printing of a line on a subsequent pass.
REFERENCES:
patent: 4037705 (1977-07-01), Martin
patent: 4521123 (1985-06-01), Boehmer
Barksdale, Jr. J. H.
International Business Machines - Corporation
Julian H. St.
Sewell Paul T.
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