Optical pick up apparatus

Details Optical pick up apparatus Optical pick up apparatus

2005-03-15

2008-12-02

Psitos, Aristotelis M (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Transducer carriage or actuator

C720S684000

Reexamination Certificate

active

07461390

ABSTRACT:
A stopper30includes a projected portion35for restricting movement of a movable section in a focusing direction and a wall section34for restricting movement of the movable section in a tracking direction, the projected portion35and the wall section34being integrally formed from a synthetic resin. With the arrangement, a single stopper30can simultaneously restrict the movements of the movable section both in the focusing direction and the tracking direction and determine its movable ranges. Accordingly, unlike conventional arrangements, discrete stoppers for the focusing direction and the tracking direction do not have to be provided, thereby reducing the number of components and cost as well as facilitating mounting operation. In addition, even when a strong impact is applied, the stopper will not be deformed.

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