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.

Patent No.:

US 7558166 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 07, 2009

Filed:

Jan. 25, 2008
Applicant:

Ainobu Yoshimoto, Milpitas, CA (US);

Inventor:

Ainobu Yoshimoto, Milpitas, CA (US);

Assignee:

LSI Corporation, Milpitas, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for calibrating a center error signal in an optical disc system, comprising the steps of (i) measuring a peak-to-peak value of the center error signal, (ii) computing a nominal peak-to-peak value of the center error signal after locking to a particular track of an optical disc, (iii) computing the nominal peak-to-peak value of the center error signal for a run-out condition, and (iv) defining a calibration gain for the current value for the center error signal.


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Yoshimoto, Ainobu. (2009). Optical disc center error amplitude calibration (U.S. Patent No. 7558166). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7558166

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