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:
May. 04, 2004
Filed:
May. 31, 2001
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/300 ;
U.S. Cl.
CPC ...
G06F 1/300 ;
Abstract
The present invention provides an image output device which can periodically update display of image data as well as update the display images immediately and with minimum data transfer. A data transfer request control circuit including a frame rate register for deciding a data transfer request issue cycle and a data transfer request issuing unit is provided in a video processing unit of the image output device. When an update flag is set in the frame rate register , the data transfer request is issued in the next transfer section, regardless of the periodic transfer cycle, and the image data stored in the frame memory are update.