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:
Jun. 15, 1976
Filed:
Nov. 09, 1973
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Suwa Seikosha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
235152 ;
Abstract
A compact electronic calculator having an input circuit defined by a plurality of lead switches mounted beneath an operative surface for selective actuation by a manually manipulatable permanent magnet. The calculator further includes a calculating circuit coupled to said input circuit and formed from LSI elements, display means formed from liquid crystal display elements and a battery power source.