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:
Jul. 27, 2021
Filed:
Mar. 08, 2019
Applicant:
Megachips Corporation, Osaka, JP;
Inventors:
Assignee:
MEGACHIPS CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/72 (2013.01); G06F 21/79 (2013.01); H04L 9/06 (2006.01); G06F 21/75 (2013.01); H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
G06F 21/72 (2013.01); G06F 21/755 (2017.08); G06F 21/79 (2013.01); H04L 9/004 (2013.01); H04L 9/06 (2013.01);
Abstract
A host device includes a power supply unit configured to supply power to a SoC, a current measurement circuit configured to measure a current from the power supply unit to the SoC, a detection unit configured to detect a power supply glitch in the host device, on the basis of a result of current measurement by the current measurement circuit, and a controller configured to suspend transmission of encrypted command from the host device to the memory device if the detection unit detects a power supply glitch in the host device.