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. 12, 2000
Filed:
Jul. 30, 1999
Applicant:
Inventor:
Richard A Faulk, Cypress, TX (US);
Assignee:
Compaq Computer Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J / ;
U.S. Cl.
CPC ...
320141 ; 320128 ;
Abstract
A circuit and method for charging batteries while a power supply also powers a dynamically varying load. All power in excess of that required by the load is used by a power converter to charge the batteries. The circuit advantageously allows the load to change from external power to battery power without switching delays.