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:
Jan. 15, 2019

Filed:

Mar. 28, 2017
Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;

Inventors:

Hideki Arimoto, Nagoya, JP;

Shinya Nakagawa, Nagoya, JP;

Assignee:

BROTHER KOGYO KABUSHIKI KAISHA, Nagoya-Shi, Aichi-Ken, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02M 3/335 (2006.01); H02M 1/08 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); G03G 15/55 (2013.01); H02M 1/08 (2013.01); H02M 3/33507 (2013.01); G03G 15/80 (2013.01); H02M 2001/327 (2013.01);
Abstract

A power supply system includes: a switching power supply configured to output a direct current; a control circuit configured to output a switching signal; an abnormality detection circuit configured to output an abnormality signal; an operation control unit connected to the control circuit and the abnormality detection circuit and configured to output an operation control signal, and a power supply control circuit configured to, when a first operation control signal is input, switch a state of the switching power supply to an operation state or a stop state. The operation control unit outputs the first operation control signal to the power supply control circuit when the switching signal is input. The operation control unit outputs a second operation control signal to the power supply control circuit when the abnormality signal is input.


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