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:
Nov. 07, 2000
Filed:
Jul. 13, 1999
Applicant:
Inventor:
Steven W Bryson, Cupertino, CA (US);
Assignee:
Fairchild Semiconductor Corporation, South Portland, ME (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J / ;
U.S. Cl.
CPC ...
320137 ; 320164 ;
Abstract
A highly flexible adaptive battery charger circuit that optimizes the efficiency of battery charging. The battery charger provides internal multiplier circuitry to measure input power allowing it to be used with AC adapters having different wattage. It further includes circuitry to digitally adjust threshold levels for the various control loops within the charger circuitry.