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:
Dec. 19, 2000
Filed:
Dec. 28, 1998
Yoshinari Higuchi, Kanagawa, JP;
Hirotaka Hirano, Gifu, JP;
Sony Corporation, Tokyo, JP;
Abstract
There is provided a charging apparatus comprising a charging circuit for charging a battery cell of a battery pack; a computing unit which is supplied with information on detected voltage of the battery cell and information on a quantity of accumulated charging current from the battery pack and information on power consumption of an electronic equipment using the battery pack; and a display unit for indicating the result of computation of the computing unit; and being arranged such that the computing unit calculates a present charged capacity of the battery cell being charged and an usable duration of the electronic equipment using the battery pack by the present charged capacity and indicates them on the display unit.