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:
Jan. 27, 1987
Filed:
Sep. 29, 1983
Applicant:
Inventors:
Masayuki Eto, Yaita, JP;
Kazuyoshi Izumi, Utsunomiya, JP;
Fuyuki Kobayashi, Utsunomiya, JP;
Mamoru Kawagishi, Yaita, JP;
Masahiro Oosawa, Yaita, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340747 ; 340703 ; 340748 ; 340750 ; 340799 ;
Abstract
This invention provides a RAM data selection circuit in which the screen data from the graphic display RAM and the text display RAM incorporated in the personal computer are simultaneously outputted and a data selection means adapted to output either of the two screen data preferentially by the dot unit to the monitor TV is provided, thereby rapidly enabling the superimposing of graphic and text data on the screen.