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:
Aug. 03, 2004
Filed:
Dec. 27, 2002
Kyoichi Ariga, Saitama, JP;
Takashi Sone, Saitama, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of controlling the charging of a secondary battery (battery) without deterioration of a charging/discharging characteristic of the battery. An ordinary charging portion performs a first charging control specified to stop the charging at a charge level less than a full-charge level is used in combination with a refresh charging portion for performing a second charging control specified to stop the charging at a charge level more than the full-charge level. When the charging by the ordinary charging portion is continuously repeated by, for example, 10 times, a switching portion is switched such that the next charging is performed by the refresh charging portion. A counter, which is reset when the charging by the refresh charging portion is terminated, is provided for deciding whether or not the number of times of the repeated charging reaches 10. The counter can be replaced with means having a function of outputting, if a random number generated by a random number generator is a specific value, a switching command to the switching portion.