Typewriting machines – Subscript or superscript character
Patent
1984-02-29
1986-08-19
Pieprz, William
Typewriting machines
Subscript or superscript character
400 65, 340724, B41J 1140, B41J 1142, B41J 1996
Patent
active
046066640
ABSTRACT:
A method of, and system for, efficiently managing a temporary base line move operation to obtain an aesthetically pleasing and understandable equation and sub/super-script printout, and avoid excessive keying and indexing calculations. A single control is built based on an established base line. Included in the control are direction of move and magnitude of move from the established base line to the temporary base line. Following printing on the temporary base line, the control can be used to return to the established base line. The major advantages are limited coding, the magnitude of the move is independent of line spacing, and a return to the established base line can be without knowledge of the move magnitude.
REFERENCES:
patent: 3738472 (1973-06-01), Willcox
patent: 3927752 (1975-12-01), Jones et al.
patent: 4037705 (1977-07-01), Martin et al.
patent: 4195338 (1980-03-01), Freeman
Heath, "Adapter for Half-Line Space Control", IBM Technical Disclosure Bulletin, vol. 19, No. 5, pp. 1539-1541, 1076.
IBM Technical Disclosure Bulletin, vol. 9, No. 11, Apr. 1967, p. 1578, R. S. Heard et al., "Text Composition with Numerous Accents".
Barksdale J. H.
International Business Machines - Corporation
Pieprz William
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