Philips & Lite-on Digital Solutions Corporation

Kun-Ta Ho

Chun-Lung Ho

Ming-Hung Chung

Shih-Lin Yeh

Yung-Lung Lee

A tray driving device of an optical disc drive in provided to comprising: a driving motor; a belt wheel, disposed on a driving shaft of the driving motor; a belt idler, connected to the belt wheel through a belt, wherein the belt idler has a belt groove for containing the belt, and a guiding inclined plane is protruded on the top of the belt idler; and a gear assembly, connected under the belt idler and connected to a tray.

Optical disc drive and tray driving device thereof

The present invention discloses a circuit board fixing device for fixing a circuit board. The device comprises a chassis for supporting the circuit board, at least one first hook setting on the supporting surface, and at least one second hook setting on the supporting surface. The first hook has a first contact surface for clamping a first type circuit board on the supporting surface. A first distance is between the first contact surface and the supporting surface. Additionally, the second hook has a second contact surface for clamping a second type circuit board on the supporting surface. A second distance is between the second contact surface and the supporting surface. The thickness of the first type circuit board is thicker than that of the second type circuit board, and the first distance is larger than the second distance.

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Taipei, Taiwan

Kun-Ta Ho