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:
Nov. 08, 1977
Filed:
Oct. 06, 1975
Applicant:
Inventor:
Jay P Sage, Newton Center, MA (US);
Assignee:
Raytheon Company, Lexington, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365174 ; 357 54 ;
Abstract
A method of storing electric charges in a metal-nitride-oxide-semiconductor memory element by setting the threshold voltage of the element at any of a substantial number of voltages by applying both a DC voltage corresponding to the analog voltage to be stored and an AC voltage which is gradually reduced.