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.

Date of Patent:
Dec. 08, 2020

Filed:

Sep. 12, 2018
Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya, JP;

Inventor:

Tsutomu Tanaka, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/00 (2006.01); G06F 15/177 (2006.01); G06F 9/4401 (2018.01); G06F 3/12 (2006.01); G06F 13/16 (2006.01); G06F 1/3293 (2019.01); G06F 13/28 (2006.01); G06F 1/3296 (2019.01);
U.S. Cl.
CPC ...
G06F 9/4401 (2013.01); G06F 1/3293 (2013.01); G06F 1/3296 (2013.01); G06F 3/123 (2013.01); G06F 13/16 (2013.01); G06F 13/28 (2013.01);
Abstract

An electronic apparatus includes a first processor configured to restrict direct memory access by one or more peripheral circuits to a volatile memory, and thereafter make a transition from an active state to a sleep state, and a second processor configured to, after the first processor has been brought into the sleep state, set the volatile memory into a self-refresh mode in which a refresh circuit of the volatile memory periodically rewrites data stored in the volatile memory, and thereafter reboot the electronic apparatus.


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