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:
Feb. 02, 2010

Filed:

Feb. 23, 2005
Applicants:

Takahiro Imamura, Kawasaki, JP;

Kenrou Yamamoto, Kawasaki, JP;

Inventors:

Takahiro Imamura, Kawasaki, JP;

Kenrou Yamamoto, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H08C 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of estimating life of a head that reads information recorded in a recording medium includes detecting magnitude of an impact due to a contact between the head and the recording medium; and estimating the life of the head based on the magnitude of the impact detected.


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