The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 1997
Filed:
Dec. 15, 1994
Applicant:
Inventor:
Ichiro Nagashima, Kanagawa-ken, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ; G06F / ;
U.S. Cl.
CPC ...
395103 ; 395423 ;
Abstract
A graphics plotting apparatus has a decision unit for determining whether or not a polygon is smaller than a predetermined size, for example, the size of a pixel on a display screen or the size of a pixel on a texture pattern according to data of the vertexes of the polygon, a divider for dividing the polygon into small polygons if the polygon is not smaller than the predetermined size, and a plotting unit for plotting pixels corresponding to the polygon if the polygon is smaller than the predetermined size. This apparatus is capable of plotting perspective three-dimensional graphics with smooth shading and texture mapping at a high speed in real time.