| 摘要 |
An optical disc recording and/or reproducing device comprising an optical pickup unit ( 5 ) and guiding means ( 3,4,6,7,8 ) for displacing the optical pickup unit ( 5 ) in substantial radial direction and parallel to the surface of the rotating optical disc. Means are present for changing the tilting angle of the optical pickup unit ( 5 ) in a plane perpendicular to the said radial direction depending on the kind of optical disc (CD, DVD, BD) present in the device.
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