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US 2005/0237901 A1Published application
Optical head device
AssigneeKabushiki Kaisha Toshiba
InventorHiroshi Shinozuka
Life of this patent
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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.
Claims6
An optical head device, comprising:
- an object lens;
- an actuator displacing the object 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 has a beam at a position opposed to the rear surface of the mirror.
2 more elements
Dependencies are inferred from the claim text.