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, 2021
Filed:
Dec. 12, 2018
Applicant:
Megachips Corporation, Osaka, JP;
Inventors:
Takahiko Sugahara, Osaka, JP;
Takeshi Yamamoto, Osaka, JP;
Assignee:
MegaChips Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/44 (2013.01); G01R 19/165 (2006.01); G06F 1/26 (2006.01); G06F 21/73 (2013.01);
U.S. Cl.
CPC ...
G06F 21/44 (2013.01); G01R 19/16595 (2013.01); G06F 1/266 (2013.01); G06F 21/73 (2013.01); G06F 2221/2129 (2013.01);
Abstract
The circuitry is configured to determine whether an appurtenance device is an authorized or an unauthorized product, based on a comparison result between a measured current value pattern produced for a predetermined period and a reference current value pattern obtained in advance for the predetermined period.