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. 25, 1994
Filed:
Aug. 21, 1992
Applicant:
Inventor:
John W Wurst, Chester Township, Morris County, NJ (US);
Assignee:
Btech, Inc., Whippany, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; H02J / ;
U.S. Cl.
CPC ...
324430 ; 324434 ; 320 48 ; 340636 ;
Abstract
Impedance measurement of battery cells within a battery system comprising at least one string of battery cells is accomplished by dividing each of the strings into at least two portions. A loading current for measurement purposes is only imposed on a portion of one of the strings at any given time and battery cell voltage measurements are made only within this string portion.