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.:
Date of Patent:
Apr. 01, 2014
Filed:
Nov. 07, 2012
Applicant:
Marvell International Ltd., Hamilton, BM;
Inventor:
Antonius Leonardus Johannes Dekker, Eindhoven, NL;
Assignee:
Marvell International Ltd., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01); G11B 7/1372 (2012.01); G11B 7/09 (2006.01); G01N 21/94 (2006.01);
U.S. Cl.
CPC ...
G11B 7/1372 (2013.01); G11B 7/0917 (2013.01); G11B 7/0948 (2013.01); G01N 21/94 (2013.01);
Abstract
Apparatus having corresponding methods comprise: a light source configured to produce light; a lens configured to focus the light on an optical disc; a photo detector configured to obtain a measurement of the light reflected by the optical disc; and a controller configured to determine a cleanliness of the lens based on the measurement of the light reflected by the optical disc responsive to the lens focusing the light on a surface of the optical disc.
Quick Actions:
Dekker, Antonius Leonardus Johannes. (2014). Method and apparatus for determining the cleanliness of a lens in an optical disc drive (U.S. Patent No. 8687472). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8687472
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile