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. 31, 2013

Filed:

Aug. 12, 2011
Applicants:

Edward Ying, Berkeley, CA (US);

Pantas Sutardja, Los Gatos, CA (US);

Inventors:

Edward Ying, Berkeley, CA (US);

Pantas Sutardja, Los Gatos, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 23/275 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods, systems, and apparatus include, in one aspect, a method including receiving from a controller a signal for controlling a device for rotating a machine-readable medium; and increasing a bandwidth of a transfer function corresponding to the controller by at least filtering the signal to compensate for a pole of the transfer function.


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