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, 2006
Filed:
Feb. 18, 2004
Applicants:
Alan Phillips, Jackson, TN (US);
Julie L. Jones, Jackson, TN (US);
Inventors:
Alan Phillips, Jackson, TN (US);
Julie L. Jones, Jackson, TN (US);
Assignee:
Black & Decker Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Amperage control of a power tool motor is provided by pulse width modulation of current from a power supply. The pulse width modulation may be varied according to the determined motor current and measured power supply voltage. The power supply preferably includes a battery, such a lithium ion or nickel cadmium.
Published as: