G - Physics – 06 – F
Patent
G - Physics
06
F
375/36
G06F 3/14 (2006.01) G09F 9/00 (2006.01) G09G 5/20 (2006.01)
Patent
CA 1053818
CONIC GENERATOR FOR ON-THE-FLY DIGITAL TELEVISION DISPLAY ABSTRACT Apparatus is disclosed to implement a recursive technique to generate the coordinates of horizontal raster line components which intersect a Conic-Section shape to be represented. The apparatus cooperates with a refresh buffer which stores the video data in coded form to be read out ordered by raster line location and an intermediate buffer which permits these coded data to be read as many times as is needed during the course of displaying one frame of pictorial information, and then to be dropped, and a partial raster assembly storage which permits data to be written randomly along a given raster line.
232995
Hogan Walter J.
Schwartz Alfred A.
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