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:
Aug. 29, 1989
Filed:
Dec. 24, 1984
Applicant:
Inventors:
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Engineering Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340703 ; 340724 ; 340744 ; 340798 ; 340799 ; 364521 ;
Abstract
A graphic pattern processing apparatus using a raster scan type CRT is disclosed. The graphic pattern processing apparatus can update one-pixel data, translate a logical address to a physical address and transfer data in a display memory, at a high speed. The graphic pattern processing apparatus comprises an operation unit including a logical address operation unit, a physical address operation unit, color data operation unit, and a control unit including a microprogram memory and a microprogram decoder.