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:
Jun. 09, 2015
Filed:
Jul. 24, 2012
Applicant:
Yuji Ieiri, Kanagawa, JP;
Inventor:
Yuji Ieiri, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06K 15/00 (2006.01); H02J 9/00 (2006.01); G06F 21/60 (2013.01); G06K 15/02 (2006.01); G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
H02J 9/005 (2013.01); G06K 15/00 (2013.01); G06F 21/608 (2013.01); G06K 15/02 (2013.01); G06F 1/3265 (2013.01); Y02B 60/1242 (2013.01);
Abstract
A power supply control device includes a photoelectric conversion unit to convert light energy to electricity, and a power supply control signal output unit driven by power converted by the photoelectric conversion unit and configured to detect a change in lighting intensity at an installation environment of the power control device based on an output voltage of the photoelectric conversion unit to output a power control signal which causes power of an external device to start up or shut down to the external device.