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. 22, 1998
Filed:
Apr. 28, 1995
Applicant:
Inventor:
Sanford S Lum, Whitehall, PA (US);
Assignee:
ATI Technologies Inc., Unionville, CA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
345522 ; 345514 ;
Abstract
A method of controlling the display of graphics data on a computer display, the computer comprising a draw engine, comprised of detecting predetermined logical condition of a draw operation for display, saving the state of the draw engine, performing a new draw operation, and restoring the state of the draw engine.