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. 09, 1997
Filed:
May. 12, 1994
David B Townsley, Cupertino, CA (US);
James J Blanc, San Mateo, CA (US);
Apple Computer, Inc., Cupertino, CA (US);
Abstract
A circuit enabling simultaneous independent charging, sequential charging and sequential discharging of multiple batteries within a computer system and a method for charging the batteries independent of their technology or chemistry. Each battery of the multiple batteries in incorporated within a battery pack. The battery pack includes at least the battery, but may also include a module for supplying information regarding the battery to a system micro-controller unit to assist the system micro-controller unit in charging of the battery. For such battery packs, the method for charging each battery, regardless of its technology or chemistry and without hardware modification or software downloading of information, includes a monitoring phase, a charging phase and an error phase.