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 8174938 B1

PDF
Full Text
Expired
Date of Patent:
May. 08, 2012

Filed:

Sep. 27, 2006
Applicants:

Yoshiaki Shimada, Yokohama, JP;

Masakatsu Kinoshita, Yokohama, JP;

Inventors:

Yoshiaki Shimada, Yokohama, JP;

Masakatsu Kinoshita, Yokohama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01); B41J 2/435 (2006.01); G01D 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical disc device includes a position detector which detects a position of the pickup in accordance with a output signal from the first light receiver of a position sensor which receives light from a encoder board, a rotation position detector which detects a rotation position of the disc in accordance a output signal from the second light receiver which receives a reflected light or a transmitted light of the light irradiated onto the variable area of the disc, and a controller which controls a recording dot marks on a label surface of the disc by driving a feed motor to move the pickup based on the rotation position detected by the rotation position detector and the position detected by the position detector and driving the pickup to control a intensity of the laser light in accordance with the rotation position detected by the rotation position detector.


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Shimada, Yoshiaki. (2012). Optical disc apparatus and method of controlling the same (U.S. Patent No. 8174938). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8174938

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