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. 20, 1982
Filed:
Oct. 10, 1979
Applicant:
Inventor:
Russell J Pepe, Piscataway, NJ (US);
Assignee:
The Singer Company, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
3403 / ; 200 / ; 3403 / ; 34082579 ;
Abstract
An input switch arrangement which minimizes the number of connections needed between an array of switch members and the circuit used to detect and encode switch closure. Each switch member has four sides adapted to be connected together. The first and second sides of all switch members within a column of the array are connected to a unique pair of a plurality of column connection terminals and the third and fourth sides of all switch members within a row of the array are connected to unique pair of a plurality of row connection terminals.