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. 03, 2012
Filed:
Sep. 01, 2008
Norifumi Yamamoto, Kanagawa, JP;
Norifumi Yamamoto, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A charge/discharge protection circuit for protecting a plurality of serially connected secondary batteries from overcharge, overdischarge, and current overflow by detecting overcharge, overdischarge, and current overflow and switching on/off a discharge controlling FET or a charge controlling FET according to the detection results is disclosed including an overcharge protecting circuit configured to prioritize the detection results corresponding to overcharge and switch off the charge controlling FET in a case where a charger is connected to the charge/discharge protection circuit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile