Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1986-10-14
1988-04-26
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
400306, B41J 312
Patent
active
047400935
ABSTRACT:
A method of determining character width for proportional spacing printing based on information contained in a dot pattern table. For a selected character, the character dot pattern in the table is analyzed to determine leading blanks and the actual character width. To obtain an overall width for printing, a number of trailing blanks equal to the number of leading blanks is added to the number of leading blanks and the actual character width. As such, a character suitable for proportional spacing printing is in effect built.
REFERENCES:
patent: 4371274 (1983-02-01), Jaeger
Barksdale, Jr. J. H.
International Business Machines - Corporation
Julian H. St.
Sewell Paul T.
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