Pattern data conversion processing system

Details Pattern data conversion processing system Pattern data conversion processing system

1985-09-05

1988-03-01

Krass, Errol A.

Boots, shoes, and leggings

364518, 340727, 340735, 340799, 382 46, 382 47, G06F 314, G06F 1540

Patent

active

047291079

ABSTRACT:
In a pattern data conversion processing system, one-character pattern data generated by a character generator is divided by a shift register into a plurality of basic pattern data. The divided basic pattern data are sequentially subjected to enlargement, 90.degree. conversion or nonrotational conversion by using a 4/3 times elongation conversion ROM, a double elongation/90.degree. conversion ROM and a bypass circuit. The converted one-character data is stored in a one-character ROM and, as such, the one-character pattern data from the one-character ROM is stored by a direct memory access controller (DMAC) into a frame memory. When 180.degree. conversion is designated, the one-character data is subjected to 90.degree. conversion, and the converted data is stored in the frame memory. The pattern data from the frame memory is transferred by the DMAC to a page printer which then prints the transferred data.

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"NTG-Fachberichte", vol. 67, VDE-Verlag GmbH, Berlin, pp. 183 to 193.

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