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. 11, 2020
Filed:
May. 17, 2016
Nec Corporation, Tokyo, JP;
Yasushi Hashimoto, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
The present invention distinguishes between short-circuit current and inrush current and only enables a protection function for short-circuit current. A storage battery monitoring device is provided with a current detection means for detecting charge/discharge current from a storage battery, a differentiating circuit for determining the current variation rate of the charge/discharge current, and a comparison means for outputting a signal according to whether the current variation rate of the charge/discharge current is larger than a preset threshold voltage. The threshold voltage is set to a value larger than the current variation rate for inrush current and smaller than that for short-circuit current.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile