Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1979-03-05
1980-12-23
Trafton, David L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340747, 340799, G06F 3153
Patent
active
042413419
ABSTRACT:
In the field of raster scan computer graphics display equipment, an apparatus for the transformation of picture information specified as line segments defined in terms of a two dimensional planar coordinate system describing the display raster into a form convenient for display on said raster, wherein for each scan line to be displayed the appearance thereof being determined by passing pieces of information describing line segments together composing the picture from a display file memory, sending them through a display processor to calculate the positions at which they cross the scan line, and placing the resulting pieces of information in a scan line buffer memory ordered by their precedence in the display of the scan line, during the display of a previously calculated scan line.
REFERENCES:
patent: 3725723 (1973-04-01), Colston et al.
patent: 3792464 (1974-02-01), Hamada et al.
patent: 3812491 (1974-05-01), Barraclough et al.
patent: 3870922 (1975-03-01), Shutoh
patent: 3891982 (1975-06-01), Cheek et al.
patent: 3893075 (1975-07-01), Orban et al.
patent: 3925776 (1975-12-01), Swallow
patent: 3996585 (1976-12-01), Hogan et al.
Lindner, "A Processor for Real Time TV Raster Scan Conversion", Computer & Graphics, vol. 4, pp. 23-28, 1979.
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