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:
Dec. 07, 2021
Filed:
May. 07, 2020
Tatsuya Ogino, Saitama, JP;
Shuntaro Nakayama, Kanagawa, JP;
Takuya Tanimura, Kanagawa, JP;
Kentaroh Kajita, Kanagawa, JP;
Tatsuya Ogino, Saitama, JP;
Shuntaro Nakayama, Kanagawa, JP;
Takuya Tanimura, Kanagawa, JP;
Kentaroh Kajita, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A power supply includes a first control circuit configured to control an output voltage of the power supply, a second control circuit configured to control an output current of the power supply, a switching circuit configured to switch control of the power supply from the first control circuit to the second control circuit based on the output current of the power supply while the first control circuit controls the output voltage of the power supply, and a power supply control circuit configured to output status information indicating a failure of the power supply acquired based on the output voltage of the power supply while the second control circuit controls the output current of the power supply.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile