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:
Jul. 27, 1993
Filed:
Mar. 25, 1991
Applicant:
Inventors:
Wilhelmus J Diepstraten, VL Diessen, NL;
Peter P ten Hoeve, LT Nijkerk, NL;
Assignee:
NCR Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340799 ; 340750 ;
Abstract
A videographics display system includes a graphics processor and a video RAM memory including a first portion storing video information and a second portion which is utilized for non-video information such as program information, message buffers, font tables, etc. The second portion includes dispersed memory regions formed by row portions which are not used for video information. The system includes multiplexing means effective to address the second memory portion by contiguous addresses.