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:
Aug. 08, 2006
Filed:
Sep. 30, 2002
Applicant:
Akihiko Motegi, Tokyo, JP;
Inventor:
Akihiko Motegi, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply control device for an image forming apparatus of the present invention includes a shutoff detector for monitoring the state of a power switch. In response to the output signal of the shutoff detector representative of the turn-off of the power switch, a shutoff processing section executes processing for avoiding accidental error detection and protecting a memory before the output voltage of a DC power supply drops to a preselected level.