| 摘要 |
In an optical pickup actuator recording or reproducing information onto an optical disc, the optical pickup actuator includes a lens holder installed an object lens focusing an optical beam onto an information recording surface of an optical disc and having a hole at the center portion, focusing/tilt operating means installed inside the hole of the lens holder and generating magnetic force so as to operate the lens holder in a focusing or tilt direction and tracking operating means respectively installed at the right and the left sides of the lens holder and generating magnetic force in order to operate the lens holder in a tracking direction, accordingly it is possible to perform a radial tilt movement with a focusing and a tracking movements and obtain a thinner optical pickup apparatus.
|
