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:
Aug. 10, 2010
Filed:
Sep. 27, 2006
Applicant:
Kazuto Kitagawa, Daito, JP;
Inventor:
Kazuto Kitagawa, Daito, JP;
Assignee:
Funai Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive stoppage command unit commands a drive unit to stop driving a pickup head, and an objective lens of a pickup head, when it has decided that the power supply voltage of operating power which is being supplied by a first power supply unit to a servo control unit is less than or equal to a first voltage. Furthermore, the drive stoppage command unit also commands the drive unit to stop driving the pickup head and the objective lens, if stoppage of the driving of the pickup head and of the objective lens has been decided upon by a logic control unit.