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:
Sep. 19, 2017
Filed:
Sep. 18, 2015
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Yutaka Horie, Tokyo, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
According to one embodiment, a system includes an electronic apparatus and an extension device detachable from and attachable to the apparatus. The extension device includes a first battery. The apparatus includes a second battery, a power supply circuit configured to generate operation power of the apparatus with power from a power supply source, a switching circuit configured to switch the power supply source to one battery of the first battery and the second battery, when the power supply source is an other battery of the first battery and the second battery and a switching signal is input, and a power supply controller configured to output the switching signal to the switching circuit after exerting control for reducing power consumption of the apparatus.