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. 09, 2004
Filed:
Jun. 07, 2000
Applicant:
Inventors:
George A. Kaminski, Houston, TX (US);
George F. Squibb, Spring, TX (US);
Mark R. Trace, Spring, TX (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/130 ; H02J 1/00 ;
U.S. Cl.
CPC ...
G06F 1/130 ; H02J 1/00 ;
Abstract
A method and related structure for reducing the harmonic distortion on an input signal line of a switching power supply accomplished by a first or upstream power supply adjusting the input voltage such that the duty cycle of conduction or switching signals applied to each phase of a switching power supply have no significant overlap or gap.