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:
Jun. 02, 1992
Filed:
Jun. 14, 1989
Applicant:
Inventors:
Assignees:
Hitachi Ltd., Tokyo, JP;
Hitachi Video Engineering Inc., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340793 ; 340703 ;
Abstract
Disclosed is a system selecting one out of a plurality of gray scale signals for each color information in display information including color information of a plurality of colors for providing monochromatic gray scale signals at multiple levels corresponding to the display information, or, when multiple colors are produced by combining a plurality of colors, selecting one out of a plurality of gray scales for each color corresponding to gray scales of the multiple colors, to thereby attain a multi-level monochromatic emulation display.