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:
Apr. 18, 2006
Filed:
Mar. 24, 2003
Kazuyuki Sakakibara, Anjo, JP;
Tomoo Muramatsu, Anjo, JP;
Hisakazu Okabayashi, Anjo, JP;
Makita Corporation, Anio, JP;
Abstract
Battery charger () may include a power source circuit () for charging rechargeable batteries () when a battery pack () is connected directly to the battery charger or is connected thereto with an adapter () interposed therebetween. The adapter may include a discharging circuit () for discharging the rechargeable batteries. The adapter may also include a switch () for alternatively connecting the rechargeable batteries with the discharging circuit or the charging circuit of the battery charger. The battery pack may have a memory () storing a flag indicating whether a refresh process is required. The adapter may further include a control portion () for controlling the switch. When the battery pack has been connected to the battery charger via the adapter, the control portion may preferably controls the switch on the basis of the flag stored in the memory of the battery pack.