Information output device having data buffer for performing both

Details Information output device having data buffer for performing both Information output device having data buffer for performing both

1987-05-15

1989-11-07

Harkcom, Gary V.

Boots, shoes, and leggings

364518, 340731, 340735, G06K 1500

Patent

active

048796662

ABSTRACT:
In an information output device, character data is read from a font memory and temporarily stored in a data buffer circuit and then dot-expanded to a full-dot memory. A data character is read from the font memory in units of a word and is written into a stage of the data buffer circuit while being laterally shifted so as to selectively position the character. The character is expanded or reduced by duplicating or eliminating the write operation for selected words at the time of reading the data from the data buffer circuit into the full-dot memory. Thus, the data buffer circuit operates to perform both the functions of character positioning and character expansion/compression.

REFERENCES:
patent: 4107786 (1978-08-01), Masaki et al.
patent: 4254416 (1981-03-01), Lelke
patent: 4271476 (1981-06-01), Lotspiech
patent: 4278359 (1981-07-01), Weikel
patent: 4284989 (1981-08-01), Parsons
patent: 4357604 (1982-11-01), Imazeki et al.

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