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:
May. 26, 1981
Filed:
Dec. 14, 1978
Applicant:
Inventor:
Raymond T Kostecki, Glenview, IL (US);
Assignee:
Sun Electric Corporation, Crystal Lake, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
H02J / ;
U.S. Cl.
CPC ...
320 24 ; 320 32 ; 320 39 ;
Abstract
An automatic apparatus and method for charging a storage battery from a source of electrical current. The charger includes a current control circuit for conducting regulated charging current through the battery in steps. A voltage monitoring circuit determines when the steps occur by monitoring battery voltage conditions. The steps are sequenced by a ring counter that varies the bias conditions on the current control circuit and voltage monitoring circuit as the steps occur.