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. 02, 1995
Filed:
Feb. 15, 1991
Applicant:
Inventor:
Zenichiro Hara, Nagasaki, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345113 ; 345118 ; 345201 ;
Abstract
Disclosed is an image output control apparatus which preferentially outputs video data onto a bus by use of a video priority signal and, if digital data representing characters and graphics includes data corresponding to any transparent pixel, outputs the video data onto the bus. This apparatus implements various displays of image composition involving video and digital data and ensures instantaneous transition between screens without disturbing the display.