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:
Aug. 24, 1982
Filed:
Feb. 21, 1980
Applicant:
Inventor:
Shigeru Matsuyama, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364710 ; 364900 ;
Abstract
The present invention provides an electronic apparatus for providing plural information, capable of displaying, while the addition or subtraction key is depressed, the item count indicating the number of actuations of the addition or subtraction key, and displaying the result of calculation obtained up to such key actuation when the key is released from the depressed state.