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:
Jul. 20, 2010
Filed:
Nov. 30, 2007
Applicant:
Akira Yashiro, Osaka, JP;
Inventor:
Akira Yashiro, Osaka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply apparatus includes an error detecting unit configured to perform error detection to detect that an output node and another node are placed in a short-circuit state or open-circuit state, a condition change detecting unit configured to detect a change in an external condition, and an operating-point changing unit configured to change an operating point of the error detection performed by the error detecting unit in response to the change detected by the condition change detecting unit.