Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1996-02-20
1998-09-15
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
395115, B41J 230
Patent
active
058069976
ABSTRACT:
A dot matrix printing apparatus which designates an area of a memory as a print buffer and which outputs print data from the print buffer to a printer head having print elements for printing the print data. The dot matrix printing apparatus includes a memory, an area of which is designatable as a print buffer, and a processor which (1) executes an application program to generate the print data, (2) determines size data for the print data, the size data comprising a number of columns of print data and an amount of print data per each column, the amount of print data per each column being derived from a number of operable print elements on the printer head, (3) designates an area of the memory as a print buffer based on the size data, the print buffer being defined by address data, and (4) stores the print data in the print buffer. Also included in the dot matrix printing apparatus is a controller which receives the size data and the address data from the processor, and which uses the size data and the address data to output columns of print data, one column at a time, from the print buffer to the operable print elements on the printer head.
REFERENCES:
patent: 4476542 (1984-10-01), Crean et al.
patent: 4520455 (1985-05-01), Crean et al.
patent: 4663729 (1987-05-01), Matick et al.
patent: 4674895 (1987-06-01), Tanaka
patent: 4747070 (1988-05-01), Trottier et al.
patent: 4942541 (1990-07-01), Hoel et al.
patent: 4977519 (1990-12-01), Chang et al.
patent: 4984182 (1991-01-01), Chang et al.
patent: 5108207 (1992-04-01), Isobe et al.
patent: 5206932 (1993-04-01), Chang et al.
patent: 5210822 (1993-05-01), Tsuchiya et al.
patent: 5581295 (1996-12-01), Prowak
Burr Edgar S.
Canon Business Machines, Inc.
Kelley Steven S.
LandOfFree
Dot matrix printer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dot matrix printer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dot matrix printer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-80741