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:
Feb. 21, 1978
Filed:
Dec. 15, 1975
Applicant:
Inventors:
Yoichi Kawabata, Tokyo, JA;
Minoru Machida, Tokyo, JA;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364752 ;
Abstract
A compact electronic calculator having the function of extracting cubic roots comprises a first register for storing therein a number, a circuit for dividing the number in the first register at every three digits and effecting subtraction therefrom, and a second register for storing therein the data provided by the dividing circuit.