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:
Sep. 23, 1980
Filed:
Oct. 02, 1978
Applicant:
Inventor:
Nicholas E Aneshansley, Centerville, OH (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365154 ; 307279 ; 307238 ; 365 95 ; 365184 ;
Abstract
An electrically alterable memory cell is described which has a capacitive imbalance for causing the memory cell to assume either of its two stable states, and which uses a capacitor as a non-volatile storage element for retaining the information stored in the memory cell during power down operation. The capacitor has an alterable capacitance-voltage curve which is employed to identify the information in the bistable multivibrator just prior to loss of power. When power is returned, the capacitor causes the bistable multivibrator to assume that stable state in which it was operating at the time power was lost.