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:
Mar. 17, 2015

Filed:

Jul. 02, 2012
Applicants:

Kenji Kuroishi, Kanagawa, JP;

Motofumi Baba, Kanagawa, JP;

Masafumi Ono, Kanagawa, JP;

Kazuhiko Narushima, Kanagawa, JP;

Kouichi Azuma, Kanagawa, JP;

Hidenori Horie, Kanagawa, JP;

Keiko Shiraishi, Kanagawa, JP;

Kenta Ogata, Kanagawa, JP;

Inventors:

Kenji Kuroishi, Kanagawa, JP;

Motofumi Baba, Kanagawa, JP;

Masafumi Ono, Kanagawa, JP;

Kazuhiko Narushima, Kanagawa, JP;

Kouichi Azuma, Kanagawa, JP;

Hidenori Horie, Kanagawa, JP;

Keiko Shiraishi, Kanagawa, JP;

Kenta Ogata, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/32 (2006.01); G06F 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a power supply control device including a first power supply which is a power supply source of an operating unit and a main control unit, a second power supply which supplies minimum necessary power to create a power-saving state, a switching unit that switches to a power supply source selected from the first and second power supplies, a receiving unit that receives an external request signal, a determining unit that determines whether the external request signal is a switching request signal or a recovery request signal, a switching controller that switches the power supply source to the first power supply when a power-saving state is created, and the external request signal is the switching request signal, and a recovery unit that recovers at least the main control unit when the recovery request signal is received within a predetermined period after the power supply source is switched.


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