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:
Apr. 12, 1994
Filed:
Oct. 15, 1991
Applicant:
Inventors:
Akihiro Handa, Fussa, JP;
Osamu Negishi, Akishima, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09F / ;
U.S. Cl.
CPC ...
395140 ;
Abstract
In a compact electronic apparatus, a keyboard and a display unit are provided, and also either a function formula or an inequality inputted from the keyboard is displayed in a graphic representation on the display unit. The compact electronic apparatus further comprises a trace function for sequentially pointing a point on one of the displayed graphic representations and simultaneously for displaying coordinate data, and a control unit for moving one graphic representation to a trace of another graphic representation when a plurality of graphic representions are being displayed, and also for changing a movement amount of the trace.