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:
Dec. 18, 2007
Filed:
Nov. 01, 2004
Applicants:
Amol Pandit, Greeley, CO (US);
Robert Bohl, Fort Collins, CO (US);
Dan Byrne, Fort Collins, CO (US);
Inventors:
Amol Pandit, Greeley, CO (US);
Robert Bohl, Fort Collins, CO (US);
Dan Byrne, Fort Collins, CO (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 13/20 (2006.01); G06F 3/00 (2006.01); G06F 15/16 (2006.01); G06F 1/00 (2006.01); H04B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The dynamic VBUS power source provides a system and method for dynamically powering USB devices. Briefly described, one embodiment is a method comprising determining when the USB device is a master device or a slave device, powering the USB device over a USB connector using a power unit when the USB device is the slave device, and powering a second USB device over the USB connector using the USB device when the USB device is the master device.