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:
Nov. 28, 2017
Filed:
Jun. 26, 2013
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Yukari Tsukamoto, Sagamihara, JP;
Tsuyoshi Morita, Zama, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A battery power supply device includes an alternating-current power source, a secondary cell connected to the alternating-current power source, a first switch for selectively connecting or cutting off a cell and the alternating-current power source, the first switch being disposed between the battery and the alternating-current power source, and a ground fault sensing device for sensing a ground fault in the battery, the ground fault sensing device being connected closer to the battery than the first switch; the ground fault sensing device sensing a ground fault in the battery when the first switch is off.