Patent
1990-11-26
1992-05-12
Evans, Arthur G.
395102, 395117, G06K 1500
Patent
active
051134888
ABSTRACT:
The bit map description for a page printer (1) from data for more lines per page than would normally fit on the page is composed by reserving the full vertical height of one line and determining the line spacing on the basis of the ratio (division) of the remaining printable page length to the number of lines less one. This is done automatically by a microprocessor (7) which determines the lines per page from the page selected from the control panel (13), performs the division (37) of lines per page less one into printable height less one, followed by page composition (39) based on the result. The data invariable fits into the mapped description without additional operator intervention.
REFERENCES:
patent: 4046471 (1977-09-01), Branham et al.
patent: 5045967 (1991-09-01), Igorashi
IBM Technical Disclosure Bulletin article entitled "Printer Algorithm for 1/a Step Size Using 1/b Physical Step and 1/c Element Spacing," vol. 31, No. 4, Sep. 1988 at pp. 360-364.
IBM Technical Disclosure Bulletin article entitled "Vertical Compensation Algorithm With Error Correction," vol. 28, No. 10, Mar. 1986 at pp. 4332-4336.
User's Manual of the Hewlett-Packard LaserJet IIP Printer, 1989, pp. 4-15 through 4-18.
Owner's Manual of the Hewlett-Packard DeskJet 500, 1990, pp. 5-9 and 5-10.
Bischel Patrick O.
Brown, III John K.
Cole Carl P.
Fitch Donald G.
Brady John A.
Evans Arthur G.
Lexmark International Inc.
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