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:
Jul. 08, 1997
Filed:
Jun. 07, 1995
Duong van Phuoc, Eching, DE;
Rudi Wieczorek, Munich, DE;
Elmar Zeising, Haindlfing, DE;
Louis W Hruska, Northboro, MA (US);
Alwyn H Taylor, Wellesley Hills, MA (US);
Daniel D Friel, Woburn, MA (US);
Matthew P Hull, Jamestown, RI (US);
Duracell, Inc., Needham, MA (US);
Abstract
A rechargeable battery pack and a method of operating a rechargeable battery system. The battery pack includes a rechargeable battery, a processor for monitoring operation and performance of the battery, and a memory area for storing data values used by the processor. The memory area is normally powered by the battery, and a capacitor is provided to supply back-up power to the memory area in case of an interruption in the supply of electrical power to the memory area from the battery. The battery pack further includes a delatching circuit for electronically decoupling the memory area and the back-up capacitor from the battery under predetermined conditions.