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. 07, 2017
Filed:
Jan. 11, 2012
Keiichi Tanii, Ibaraki, JP;
Keiichi Tanii, Ibaraki, JP;
HITACHI MAXELL, LTD., Osaka, JP;
Abstract
The battery unit () includes a flat battery () having a cylindrical positive electrode can () with a bottom and a cylindrical negative electrode can () with a bottom that covers an opening side of the positive electrode can and having a side wall of the positive electrode can on the opening side fitted to an outer circumferential surface of a side wall of the negative electrode can and a substrate () provided on a flat surface of one of the negative electrode can and the positive electrode can and mounted with circuit components () thereon. The other of the negative electrode can and the positive electrode can that has a flat surface on an opposite side to the substrate in a thickness-wise direction of the flat battery serves as an external terminal for one of a positive electrode and a negative electrode.