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:
Jan. 09, 2001
Filed:
Mar. 04, 1999
Applicant:
Inventor:
Russell C. Barton, Carlsbad, CA (US);
Assignee:
Baxter International Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/046 ;
U.S. Cl.
CPC ...
H01M 1/046 ;
Abstract
The present invention provides a cost-effective, accurate use of multiple batteries in a battery pack,. The battery pack,consisting a plurality of battery cells,. A monitoring circuit,is provided that monitors the battery cells,. The monitoring circuit,is connected to a microprocessor,through an analog-to-digital converter,. The microprocessor,determines the amount of voltage remaining in the battery cells,. The microprocessor,also monitors the voltage output from the battery pack,. When the voltage being supplied by the battery pack,falls below a threshold value, a switching circuit,switches depleted battery cells,with charged battery cells,.