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:
Nov. 02, 1999
Filed:
Sep. 25, 1997
Masamichi Ohshima, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A display control apparatus includes display device driver means for writing image information into a frame buffer, and display scanning means for sequentially displaying the image data stored in the frame buffer for each line of the display. The display control apparatus further includes partially rewritten line determination means for obtaining from the display device driver means information regarding lines to be written into the frame buffer, and generating in accordance therewith the lines for which the display is to be scanned, and display scan line control means for obtaining from the partially rewritten line determination means lines to be scanned to specify such lines for the display scanning means.