Tilt control method for optical disk recording/reproducing device

摘要: PROBLEM TO BE SOLVED: To provide a method for controlling tilt of an optical disk recording/reproducing device performing signal to/from from pickup. SOLUTION: This uses pickup 2 provided with coil 6 adjustment adjusting the objective lens. Direct current values are calculated drive supplied to focusing 4 included in at least inner circumferential position 1, middle and outer position. A relation between respective positions direct voltage value is each values. obtained by adding on basis where located alternating adjustment. COPYRIGHT: (C)2004,JPO