Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazuto Kitagawa0
Date of Patent
August 10, 2010
0Patent Application Number
115274560
Date Filed
September 27, 2006
0Patent Primary Examiner
Patent 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.
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