Optical head device

Details Optical head device Optical head device

2007-11-27

2007-11-27

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

Reexamination Certificate

active

10914286

ABSTRACT:
Disclosed is an optical head device including: an object lens; an actuator displacing the optical lens; a mirror which has a reflection plane to bend a direction of a light traveling on an optical axis of the object lens, and on a back of the reflection plane, a rear surface substantially parallel to the refection plane; and an optical base which has openings for incorporating the actuator and the mirror and which has a beam at a position opposed to the rear surface of the mirror.

REFERENCES:
patent: 5737302 (1998-04-01), Kasahara
patent: 5930224 (1999-07-01), Ikegame
patent: 6-36320 (1994-02-01), None
patent: 2002-312963 (2002-10-01), None

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