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. 03, 1989
Filed:
May. 22, 1985
Applicant:
Inventor:
Koichi Hatta, Yamatokoriyama, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364706 ; 364900 ;
Abstract
A programmable calculator using at least one exchangeable reloadable memory module includes a connector for connecting the exchangeable reloadable memory module to the calculator. The calculator judges whether a program including information to execute said program is present in said exchangeable reloadable memory module, and inhibits erasure of the information to execute the program when presence of the program in the exchangeable reloadable memory module is judged by the calculator at the time of initialization of the programmable calculator.