High resolution figure displaying device utilizing plural memori

Details High resolution figure displaying device utilizing plural memori High resolution figure displaying device utilizing plural memori

1982-09-02

1984-05-08

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340750, 340801, 340703, G09G 116

Patent

active

044478097

ABSTRACT:
In a figure displaying device which generates edge data corresponding to the individual horizontal scanning lines, to display figures on the raster scanning type Braun tube relying upon the edge data, the improvement comprising at least two sets of memory groups which have a capacity corresponding to the number of picture elements at positions of even numbers and odd numbers on the horizontal scanning lines, and which store predetermined data in the addresses corresponding to the picture elements at which edges are present, at least two converter means for converting the data read in parallel from the memory groups into series data, selection means for selecting the outputs of said converter means, and control means for displaying figures on the monitor responsive to the output of said selection means.

REFERENCES:
patent: 3426344 (1969-02-01), Clark
patent: 3585627 (1971-06-01), Christopher
patent: 3771155 (1973-11-01), Hayashi et al.
patent: 3821730 (1974-06-01), Carey et al.
patent: 3999167 (1976-12-01), Ito et al.
patent: 4121283 (1978-10-01), Walker
patent: 4233601 (1980-11-01), Hankins

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