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:
May. 18, 2021
Filed:
Dec. 24, 2018
Applicant:
Megachips Corporation, Osaka, JP;
Inventors:
Takahiko Sugahara, Osaka, JP;
Harunobu Kishida, Osaka, JP;
Assignee:
MEGACHIPS CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 21/133 (2006.01); G01R 21/06 (2006.01); G01R 19/00 (2006.01); G01R 19/257 (2006.01); G01R 19/165 (2006.01); G06F 1/26 (2006.01); G06F 11/30 (2006.01); G06F 11/28 (2006.01);
U.S. Cl.
CPC ...
G01R 21/133 (2013.01); G01R 19/003 (2013.01); G01R 19/1659 (2013.01); G01R 19/16528 (2013.01); G01R 19/16571 (2013.01); G01R 19/257 (2013.01); G01R 21/06 (2013.01); G06F 1/266 (2013.01); G06F 11/28 (2013.01); G06F 11/3062 (2013.01); G06F 2201/81 (2013.01);
Abstract
A circuitry is configured to calculate a measured average value based on measured current values obtained in a target period for determination, and determine whether a memory device is an authorized or an unauthorized product, based on a comparison result between a measured average value and a reference average value.