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:
Oct. 10, 2017
Filed:
Aug. 14, 2015
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); G06F 1/26 (2006.01);
U.S. Cl.
CPC ...
G06F 1/26 (2013.01); H02J 7/0052 (2013.01); H02J 7/0054 (2013.01); H02J 2007/006 (2013.01);
Abstract
According to one embodiment, a system includes an electronic device and an extension device to which the electronic device is detachable from and attachable. The electronic device includes a first battery, and a voltage step-down circuit to charge the first battery with first power supplied from the extension device after stepping down or without stepping down voltage of the first power. The extension device includes a second battery, and a voltage step-up circuit to supply the electronic device with second power supplied from the second battery after stepping up or without stepping up voltage of the second power.