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. 24, 1988
Filed:
Jan. 27, 1987
Applicant:
Inventor:
Shigeaki Yoshida, Sayama-shi, Saitama, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ; G09G / ;
U.S. Cl.
CPC ...
364900 ; 364518 ; 364521 ; 340747 ;
Abstract
The display controller has a drawing processor for forming an address signal and a data signal to be supplied to a refreshing memory by processing a drawing command supplied thereto, and a digital comparator for comparing an address signal outputted from the drawing processor with an address signal set beforehand. An output of the digital comparator is utilized for referring to the drawing command to be processed. Thus the drawing command which produces a particular one of a plurality of graphic patterns forming a display on a display device can be extracted easily.