Communications: electrical – Systems – Portable self-contained
Patent
1976-07-06
1978-05-16
Shaw, Gareth D.
Communications: electrical
Systems
Portable self-contained
340324A, 340324M, 178 30, G06F 314
Patent
active
040901882
ABSTRACT:
A dot matrix converter comprising means for providing an original character pattern comprising a dot matrix; means for dividing the original matrix into row groups and column groups, the number of groups being respectively one greater than the row difference and the column difference between the original matrix size and a desired matrix size to which the original matrix is to be converted; row (or column) size converting means which compare the individual opposed bits in the rows (or columns) on the opposite sides of dividing lines between adjacent row (or column) groups and inserts a logical "1" bit between the compared bits when both bits are logical "1" or inserts a logical "0" bit in all other cases, thereby effecting the addition of one row (or column) between the divided adjacent row (or column) groups; and column (or row) size converting means which compare the individual opposed bits in the columns (or rows) on the opposite sides of the dividing lines between adjacent column (or row) groups, and inserts a logical "1" bit between the compared bits when both bits are logical "1" or inserts a logical " 0" bit in all other cases, thereby effecting the addition of one column (or row) between the divided adjacent column (or row) groups.
REFERENCES:
patent: 3573789 (1971-04-01), Sharp et al.
patent: 3754229 (1973-08-01), Manber
patent: 3833891 (1974-09-01), Howard et al.
patent: 3878536 (1975-04-01), Gilliam
patent: 3896428 (1975-07-01), Williams
patent: 3903517 (1975-09-01), Hafner
patent: 3921164 (1975-11-01), Anderson
patent: 3924225 (1975-12-01), Langnickel
patent: 3928845 (1975-12-01), Clark
patent: 3976982 (1976-08-01), Eiselsen
Baker Joseph J.
Ferguson Jr. Gerald J.
Fuji 'Xerox Co., Ltd.
Sachs Michael C.
Shaw Gareth D.
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