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.:

US 7348763 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 25, 2008

Filed:

Dec. 22, 2003
Applicants:

Ronald R. Reinhart, St. Petersburg, FL (US);

Frederick M. Jenkins, St. Petersburg, FL (US);

James M. Raver, St. Petersburg, FL (US);

Thong L. Nguyen, Largo, FL (US);

Martin A. Schaefer, Clearwater, FL (US);

Inventors:

Ronald R. Reinhart, St. Petersburg, FL (US);

Frederick M. Jenkins, St. Petersburg, FL (US);

James M. Raver, St. Petersburg, FL (US);

Thong L. Nguyen, Largo, FL (US);

Martin A. Schaefer, Clearwater, FL (US);

Assignee:

Linvatec Corporation, Largo, FL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/44 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for determining the state of a battery, or battery pack, that is independent of the type of battery technology under test. The method employs one or more charging and discharging cycles, and measures one or more parameters of battery voltage, temperature, charging time, and charging cycle counts to produce a test value that is compared to empirical data. Based on the comparison, the state is determined, for example, on a pass/fail basis. The method may be embodied as instructions stored in memory and implemented by means of a microprocessor coupled to the memory. In another embodiment, the empirical data is stored within another memory located internal to the battery pack under test.

Published as:

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Reinhart, Ronald. (2008). Method for utilizing temperature to determine a battery state (U.S. Patent No. 7348763). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7348763

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