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:
Aug. 22, 2017

Filed:

Feb. 08, 2017
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Nhan X. Bui, Tucson, AZ (US);

Eiji Ogura, Yokohama, JP;

Tomoko Taketomi, Yamato, JP;

Kazuhiro Tsuruta, Sagamihara, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/584 (2006.01); G11B 20/18 (2006.01);
U.S. Cl.
CPC ...
G11B 5/584 (2013.01); G11B 20/1816 (2013.01);
Abstract

In one embodiment, a computer-implemented method includes creating a spike in a servo channel from a predetermined start position to an end position, and storing servo data including at least a portion thereof generated during the spike. The spike has a predetermined amplitude. In another embodiment, a computer program product includes a computer readable storage medium having program instructions embodied therewith. The program instructions are executable by a controller to perform the foregoing method.


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