Image bit structuring apparatus and method

Details Image bit structuring apparatus and method Image bit structuring apparatus and method

1980-08-25

1983-01-04

Gruber, Felix D.

Boots, shoes, and leggings

340731, 178 30, G06F 314, G06K 1502

Patent

active

043675336

ABSTRACT:
A bit structuring apparatus having a font memory for storing alpha-numeric characters and/or tonal definitions in a window representing a pixel space. The alpha-numeric characters thus stored can include both the character and required character spacing. The font memory is addressable by coded address data to output a stream of pixels representative of the characters selected. The apparatus includes a programmable divide-by-N counter selectively operable to reduce the frequency of the pixel stream and expand the characters along the X-axis, line buffers for buffering the pixels pending discharge to a remote output, a return bus for re-circulating pixels in the line buffers, a multiplexer for selectively coupling individual line buffer outputs to the remote output and a programmable counter for controlling the number of times each line buffer discharges pixels to the remote output, each additional discharge expanding the characters along the Y-axis. Additionally, data from other sources, i.e. computer, CRT, facsimile, scanner, memory, etc., representing a fixed definition may be received independently, both for storage and manipulation. The apparatus can, by programming or switching, alter size and effectively expand or reduce the data on a line by line basis in the same manner as alpha-numeric data from the font memory.

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patent: 4090188 (1978-05-01), Suga
patent: 4107662 (1978-08-01), Endo et al.
patent: 4129860 (1978-12-01), Yonezawa et al.
patent: 4314244 (1982-02-01), Demke et al.

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