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:
Jun. 13, 2000
Filed:
Feb. 12, 1999
Chih-Ming Hsu, Tao-Yuan Hsien, TW;
Quanta Computer Inc., Tao-Yuan Hsien, TW;
Abstract
A rechargeable battery pack module includes a battery cell set, a DC-to-DC converter adapted to be connected to one of a portable computer and an AC adapter and operable so as to generate charging current, a safety switch control unit operable so as to permit charging and discharging of the battery cell set, a charging protection unit to control operation of the safety switch control unit according to the cell voltages of battery cells of the battery cell set, and a battery status indicating unit for storing manufacturer information corresponding to the battery cell set therein and capable of providing the manufacturer information and charging status information of the battery cell set to the portable computer.