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:
Jun. 14, 2011

Filed:

Aug. 24, 2007
Applicants:

Kohichi Kubo, Yokohama, JP;

Takahiro Hirai, Yokohama, JP;

Shinya Aoki, Yokohama, JP;

Akihiro Koga, Tokyo, JP;

Junichi Akiyama, Kawasaki, JP;

Shinji Takakura, Yokohama, JP;

Hiroaki Nakamura, Kawasaki, JP;

Inventors:

Kohichi Kubo, Yokohama, JP;

Takahiro Hirai, Yokohama, JP;

Shinya Aoki, Yokohama, JP;

Akihiro Koga, Tokyo, JP;

Junichi Akiyama, Kawasaki, JP;

Shinji Takakura, Yokohama, JP;

Hiroaki Nakamura, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An information recording/reproducing device according to an example of the present invention includes first and second heads, a recording medium having a data area from which recording data is read by the first head and a servo burst area from which a servo burst signal is read by the second head, a driver which performs positioning of the second head based on the servo burst signal, and a resistor which covers a surface of the servo burst area and does not cover a surface of the data area. The recording data and the servo burst signal are recorded by a pulse signal.


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