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.

Date of Patent:
Dec. 09, 2014

Filed:

Sep. 17, 2012
Applicants:

Vladimir Hruby, Newtown, MA (US);

Nathaniel Demmons, Mason, NH (US);

Eric Ehrbar, Newton, MA (US);

Bruce Pote, Sturbridge, MA (US);

Nathan Rosenblad, Quincy, MA (US);

Inventors:

Vladimir Hruby, Newtown, MA (US);

Nathaniel Demmons, Mason, NH (US);

Eric Ehrbar, Newton, MA (US);

Bruce Pote, Sturbridge, MA (US);

Nathan Rosenblad, Quincy, MA (US);

Assignee:

Busek Co., Inc., Natick, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05H 1/00 (2006.01); H05B 41/14 (2006.01); H05H 1/54 (2006.01); F03H 1/00 (2006.01);
U.S. Cl.
CPC ...
H05H 1/00 (2013.01); H05H 1/54 (2013.01); F03H 1/0075 (2013.01);
Abstract

An autonomous method for minimizing the magnitude of plasma discharge current oscillations in a Hall effect plasma device includes iteratively measuring plasma discharge current oscillations of the plasma device and iteratively adjusting the magnet current delivered to the plasma device in response to measured plasma discharge current oscillations to reduce the magnitude of the plasma discharge current oscillations.


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