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.

Date of Patent:
Jun. 23, 1992

Filed:

Jul. 14, 1989
Applicant:
Inventors:

Tatsuhiko Sakamoto, Yamatokooriyama, JP;

Toshimi Kiyohara, Nara, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340721 ; 340721 ; 340723 ; 340724 ;
Abstract

A picture information display device for displaying at high speed a plurality of picture in windows in a display unit. A frame memory is used for storing the display information corresponding to a display surface of the display unit. There is a window memory for storing the picture information of the window. A control circuit outputs address signal corresponding to the scanning position of the display unit to the frame memory and window memory when the movement or scrolling of the window is detected that the window is moving condition the frame memory and window memory to output the display information and stored in the address represented by the address signal and the picture information in the moving window.


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