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. 12, 2014
Filed:
Feb. 17, 2010
Yasuaki Norimatsu, Hitachinaka, JP;
Shinji Imai, Hitachi, JP;
Yasuaki Norimatsu, Hitachinaka, JP;
Shinji Imai, Hitachi, JP;
Shin-Kobe Electric Machinery Co., Ltd., Tokyo, JP;
Abstract
A power supply device according to the present invention includes: a capacitorconnected in parallel with a battery; two switching circuitsconnected in series with the capacitor; a pre-charge switching circuitconnected in parallel with one of the two switching circuits; and a control unitthat, when a voltage of the capacitoris lower than a voltage of the battery, controls the pre-charge switching circuitand the switching circuitand performs pre-charging current limitation for the capacitor
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile