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:
Sep. 30, 1997
Filed:
Jul. 01, 1996
Applicant:
Inventor:
Thomas S Szepesi, Saratoga, CA (US);
Assignee:
Analog Devices, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J / ; H01M / ;
U.S. Cl.
CPC ...
320 25 ; 320 39 ; 320D / ;
Abstract
A battery charger controller monitors the voltage across an associated battery charger's power element and opens a switch which inhibits current flow through the controller whenever the voltage across the pass element is substantially equal to zero.